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Track the adoption of Swift 6 strict concurrency checks for data race safety. How many packages are Ready for Swift 6?

Build Information

Successful build of Swiftlier with Swift 6.0 for Linux.

Swift 6 data race errors: 24

Build Command

bash -c docker run --rm -v "checkouts-4606859-0":/host -w "$workDir" registry.gitlab.com/finestructure/spi-images:basic-6.0-latest swift build --triple x86_64-unknown-linux-gnu -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete 2>&1

Build Log

 37 |     public static let onlyOnce = ObservationOptions(rawValue: 1 << 1)
 38 | }
/host/spi-builder-workspace/Sources/Swiftlier/Model/Observable/Observable.swift:37:23: warning: static property 'onlyOnce' is not concurrency-safe because non-'Sendable' type 'ObservationOptions' may have shared mutable state; this is an error in the Swift 6 language mode
 27 |     Options for observing an observable
 28 | */
 29 | public struct ObservationOptions: OptionSet  {
    |               `- note: consider making struct 'ObservationOptions' conform to the 'Sendable' protocol
 30 |     public let rawValue: Int
 31 |
    :
 35 |
 36 |     public static let initial = ObservationOptions(rawValue: 1 << 0)
 37 |     public static let onlyOnce = ObservationOptions(rawValue: 1 << 1)
    |                       |- warning: static property 'onlyOnce' is not concurrency-safe because non-'Sendable' type 'ObservationOptions' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'onlyOnce' with '@MainActor' if property should only be accessed from the main actor
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 38 | }
 39 |
/host/spi-builder-workspace/Sources/Swiftlier/Model/Observable/ObservableReference.swift:30:32: warning: using 'class' keyword to define a class-constrained protocol is deprecated; use 'AnyObject' instead
 28 |  Store a value that can be observed by external objects
 29 |  */
 30 | public protocol Referenceable: class {}
    |                                `- warning: using 'class' keyword to define a class-constrained protocol is deprecated; use 'AnyObject' instead
 31 | public final class ObservableReference<T: Referenceable> {
 32 |     public typealias Handler = () -> ()
[51/65] Compiling Swiftlier ObservableArray.swift
/host/spi-builder-workspace/Sources/Swiftlier/Model/Observable/Observable.swift:36:23: warning: static property 'initial' is not concurrency-safe because non-'Sendable' type 'ObservationOptions' may have shared mutable state; this is an error in the Swift 6 language mode
 27 |     Options for observing an observable
 28 | */
 29 | public struct ObservationOptions: OptionSet  {
    |               `- note: consider making struct 'ObservationOptions' conform to the 'Sendable' protocol
 30 |     public let rawValue: Int
 31 |
    :
 34 |     }
 35 |
 36 |     public static let initial = ObservationOptions(rawValue: 1 << 0)
    |                       |- warning: static property 'initial' is not concurrency-safe because non-'Sendable' type 'ObservationOptions' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'initial' with '@MainActor' if property should only be accessed from the main actor
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 37 |     public static let onlyOnce = ObservationOptions(rawValue: 1 << 1)
 38 | }
/host/spi-builder-workspace/Sources/Swiftlier/Model/Observable/Observable.swift:37:23: warning: static property 'onlyOnce' is not concurrency-safe because non-'Sendable' type 'ObservationOptions' may have shared mutable state; this is an error in the Swift 6 language mode
 27 |     Options for observing an observable
 28 | */
 29 | public struct ObservationOptions: OptionSet  {
    |               `- note: consider making struct 'ObservationOptions' conform to the 'Sendable' protocol
 30 |     public let rawValue: Int
 31 |
    :
 35 |
 36 |     public static let initial = ObservationOptions(rawValue: 1 << 0)
 37 |     public static let onlyOnce = ObservationOptions(rawValue: 1 << 1)
    |                       |- warning: static property 'onlyOnce' is not concurrency-safe because non-'Sendable' type 'ObservationOptions' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'onlyOnce' with '@MainActor' if property should only be accessed from the main actor
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 38 | }
 39 |
/host/spi-builder-workspace/Sources/Swiftlier/Model/Observable/ObservableReference.swift:30:32: warning: using 'class' keyword to define a class-constrained protocol is deprecated; use 'AnyObject' instead
 28 |  Store a value that can be observed by external objects
 29 |  */
 30 | public protocol Referenceable: class {}
    |                                `- warning: using 'class' keyword to define a class-constrained protocol is deprecated; use 'AnyObject' instead
 31 | public final class ObservableReference<T: Referenceable> {
 32 |     public typealias Handler = () -> ()
[52/65] Compiling Swiftlier ObservableDictionary.swift
/host/spi-builder-workspace/Sources/Swiftlier/Model/Observable/Observable.swift:36:23: warning: static property 'initial' is not concurrency-safe because non-'Sendable' type 'ObservationOptions' may have shared mutable state; this is an error in the Swift 6 language mode
 27 |     Options for observing an observable
 28 | */
 29 | public struct ObservationOptions: OptionSet  {
    |               `- note: consider making struct 'ObservationOptions' conform to the 'Sendable' protocol
 30 |     public let rawValue: Int
 31 |
    :
 34 |     }
 35 |
 36 |     public static let initial = ObservationOptions(rawValue: 1 << 0)
    |                       |- warning: static property 'initial' is not concurrency-safe because non-'Sendable' type 'ObservationOptions' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'initial' with '@MainActor' if property should only be accessed from the main actor
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 37 |     public static let onlyOnce = ObservationOptions(rawValue: 1 << 1)
 38 | }
/host/spi-builder-workspace/Sources/Swiftlier/Model/Observable/Observable.swift:37:23: warning: static property 'onlyOnce' is not concurrency-safe because non-'Sendable' type 'ObservationOptions' may have shared mutable state; this is an error in the Swift 6 language mode
 27 |     Options for observing an observable
 28 | */
 29 | public struct ObservationOptions: OptionSet  {
    |               `- note: consider making struct 'ObservationOptions' conform to the 'Sendable' protocol
 30 |     public let rawValue: Int
 31 |
    :
 35 |
 36 |     public static let initial = ObservationOptions(rawValue: 1 << 0)
 37 |     public static let onlyOnce = ObservationOptions(rawValue: 1 << 1)
    |                       |- warning: static property 'onlyOnce' is not concurrency-safe because non-'Sendable' type 'ObservationOptions' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'onlyOnce' with '@MainActor' if property should only be accessed from the main actor
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 38 | }
 39 |
/host/spi-builder-workspace/Sources/Swiftlier/Model/Observable/ObservableReference.swift:30:32: warning: using 'class' keyword to define a class-constrained protocol is deprecated; use 'AnyObject' instead
 28 |  Store a value that can be observed by external objects
 29 |  */
 30 | public protocol Referenceable: class {}
    |                                `- warning: using 'class' keyword to define a class-constrained protocol is deprecated; use 'AnyObject' instead
 31 | public final class ObservableReference<T: Referenceable> {
 32 |     public typealias Handler = () -> ()
[53/65] Compiling Swiftlier ObservableReference.swift
/host/spi-builder-workspace/Sources/Swiftlier/Model/Observable/Observable.swift:36:23: warning: static property 'initial' is not concurrency-safe because non-'Sendable' type 'ObservationOptions' may have shared mutable state; this is an error in the Swift 6 language mode
 27 |     Options for observing an observable
 28 | */
 29 | public struct ObservationOptions: OptionSet  {
    |               `- note: consider making struct 'ObservationOptions' conform to the 'Sendable' protocol
 30 |     public let rawValue: Int
 31 |
    :
 34 |     }
 35 |
 36 |     public static let initial = ObservationOptions(rawValue: 1 << 0)
    |                       |- warning: static property 'initial' is not concurrency-safe because non-'Sendable' type 'ObservationOptions' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'initial' with '@MainActor' if property should only be accessed from the main actor
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 37 |     public static let onlyOnce = ObservationOptions(rawValue: 1 << 1)
 38 | }
/host/spi-builder-workspace/Sources/Swiftlier/Model/Observable/Observable.swift:37:23: warning: static property 'onlyOnce' is not concurrency-safe because non-'Sendable' type 'ObservationOptions' may have shared mutable state; this is an error in the Swift 6 language mode
 27 |     Options for observing an observable
 28 | */
 29 | public struct ObservationOptions: OptionSet  {
    |               `- note: consider making struct 'ObservationOptions' conform to the 'Sendable' protocol
 30 |     public let rawValue: Int
 31 |
    :
 35 |
 36 |     public static let initial = ObservationOptions(rawValue: 1 << 0)
 37 |     public static let onlyOnce = ObservationOptions(rawValue: 1 << 1)
    |                       |- warning: static property 'onlyOnce' is not concurrency-safe because non-'Sendable' type 'ObservationOptions' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'onlyOnce' with '@MainActor' if property should only be accessed from the main actor
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 38 | }
 39 |
/host/spi-builder-workspace/Sources/Swiftlier/Model/Observable/ObservableReference.swift:30:32: warning: using 'class' keyword to define a class-constrained protocol is deprecated; use 'AnyObject' instead
 28 |  Store a value that can be observed by external objects
 29 |  */
 30 | public protocol Referenceable: class {}
    |                                `- warning: using 'class' keyword to define a class-constrained protocol is deprecated; use 'AnyObject' instead
 31 | public final class ObservableReference<T: Referenceable> {
 32 |     public typealias Handler = () -> ()
[54/65] Compiling Swiftlier JSON.swift
/host/spi-builder-workspace/Sources/Swiftlier/Model/Observable/Observable.swift:36:23: warning: static property 'initial' is not concurrency-safe because non-'Sendable' type 'ObservationOptions' may have shared mutable state; this is an error in the Swift 6 language mode
 27 |     Options for observing an observable
 28 | */
 29 | public struct ObservationOptions: OptionSet  {
    |               `- note: consider making struct 'ObservationOptions' conform to the 'Sendable' protocol
 30 |     public let rawValue: Int
 31 |
    :
 34 |     }
 35 |
 36 |     public static let initial = ObservationOptions(rawValue: 1 << 0)
    |                       |- warning: static property 'initial' is not concurrency-safe because non-'Sendable' type 'ObservationOptions' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'initial' with '@MainActor' if property should only be accessed from the main actor
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 37 |     public static let onlyOnce = ObservationOptions(rawValue: 1 << 1)
 38 | }
/host/spi-builder-workspace/Sources/Swiftlier/Model/Observable/Observable.swift:37:23: warning: static property 'onlyOnce' is not concurrency-safe because non-'Sendable' type 'ObservationOptions' may have shared mutable state; this is an error in the Swift 6 language mode
 27 |     Options for observing an observable
 28 | */
 29 | public struct ObservationOptions: OptionSet  {
    |               `- note: consider making struct 'ObservationOptions' conform to the 'Sendable' protocol
 30 |     public let rawValue: Int
 31 |
    :
 35 |
 36 |     public static let initial = ObservationOptions(rawValue: 1 << 0)
 37 |     public static let onlyOnce = ObservationOptions(rawValue: 1 << 1)
    |                       |- warning: static property 'onlyOnce' is not concurrency-safe because non-'Sendable' type 'ObservationOptions' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'onlyOnce' with '@MainActor' if property should only be accessed from the main actor
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 38 | }
 39 |
/host/spi-builder-workspace/Sources/Swiftlier/Model/Observable/ObservableReference.swift:30:32: warning: using 'class' keyword to define a class-constrained protocol is deprecated; use 'AnyObject' instead
 28 |  Store a value that can be observed by external objects
 29 |  */
 30 | public protocol Referenceable: class {}
    |                                `- warning: using 'class' keyword to define a class-constrained protocol is deprecated; use 'AnyObject' instead
 31 | public final class ObservableReference<T: Referenceable> {
 32 |     public typealias Handler = () -> ()
[55/65] Compiling Swiftlier NativeTypesStructured.swift
/host/spi-builder-workspace/Sources/Swiftlier/Model/Observable/Observable.swift:36:23: warning: static property 'initial' is not concurrency-safe because non-'Sendable' type 'ObservationOptions' may have shared mutable state; this is an error in the Swift 6 language mode
 27 |     Options for observing an observable
 28 | */
 29 | public struct ObservationOptions: OptionSet  {
    |               `- note: consider making struct 'ObservationOptions' conform to the 'Sendable' protocol
 30 |     public let rawValue: Int
 31 |
    :
 34 |     }
 35 |
 36 |     public static let initial = ObservationOptions(rawValue: 1 << 0)
    |                       |- warning: static property 'initial' is not concurrency-safe because non-'Sendable' type 'ObservationOptions' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'initial' with '@MainActor' if property should only be accessed from the main actor
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 37 |     public static let onlyOnce = ObservationOptions(rawValue: 1 << 1)
 38 | }
/host/spi-builder-workspace/Sources/Swiftlier/Model/Observable/Observable.swift:37:23: warning: static property 'onlyOnce' is not concurrency-safe because non-'Sendable' type 'ObservationOptions' may have shared mutable state; this is an error in the Swift 6 language mode
 27 |     Options for observing an observable
 28 | */
 29 | public struct ObservationOptions: OptionSet  {
    |               `- note: consider making struct 'ObservationOptions' conform to the 'Sendable' protocol
 30 |     public let rawValue: Int
 31 |
    :
 35 |
 36 |     public static let initial = ObservationOptions(rawValue: 1 << 0)
 37 |     public static let onlyOnce = ObservationOptions(rawValue: 1 << 1)
    |                       |- warning: static property 'onlyOnce' is not concurrency-safe because non-'Sendable' type 'ObservationOptions' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'onlyOnce' with '@MainActor' if property should only be accessed from the main actor
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 38 | }
 39 |
/host/spi-builder-workspace/Sources/Swiftlier/Model/Observable/ObservableReference.swift:30:32: warning: using 'class' keyword to define a class-constrained protocol is deprecated; use 'AnyObject' instead
 28 |  Store a value that can be observed by external objects
 29 |  */
 30 | public protocol Referenceable: class {}
    |                                `- warning: using 'class' keyword to define a class-constrained protocol is deprecated; use 'AnyObject' instead
 31 | public final class ObservableReference<T: Referenceable> {
 32 |     public typealias Handler = () -> ()
[56/65] Compiling Swiftlier Structured.swift
/host/spi-builder-workspace/Sources/Swiftlier/Model/Observable/Observable.swift:36:23: warning: static property 'initial' is not concurrency-safe because non-'Sendable' type 'ObservationOptions' may have shared mutable state; this is an error in the Swift 6 language mode
 27 |     Options for observing an observable
 28 | */
 29 | public struct ObservationOptions: OptionSet  {
    |               `- note: consider making struct 'ObservationOptions' conform to the 'Sendable' protocol
 30 |     public let rawValue: Int
 31 |
    :
 34 |     }
 35 |
 36 |     public static let initial = ObservationOptions(rawValue: 1 << 0)
    |                       |- warning: static property 'initial' is not concurrency-safe because non-'Sendable' type 'ObservationOptions' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'initial' with '@MainActor' if property should only be accessed from the main actor
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 37 |     public static let onlyOnce = ObservationOptions(rawValue: 1 << 1)
 38 | }
/host/spi-builder-workspace/Sources/Swiftlier/Model/Observable/Observable.swift:37:23: warning: static property 'onlyOnce' is not concurrency-safe because non-'Sendable' type 'ObservationOptions' may have shared mutable state; this is an error in the Swift 6 language mode
 27 |     Options for observing an observable
 28 | */
 29 | public struct ObservationOptions: OptionSet  {
    |               `- note: consider making struct 'ObservationOptions' conform to the 'Sendable' protocol
 30 |     public let rawValue: Int
 31 |
    :
 35 |
 36 |     public static let initial = ObservationOptions(rawValue: 1 << 0)
 37 |     public static let onlyOnce = ObservationOptions(rawValue: 1 << 1)
    |                       |- warning: static property 'onlyOnce' is not concurrency-safe because non-'Sendable' type 'ObservationOptions' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'onlyOnce' with '@MainActor' if property should only be accessed from the main actor
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 38 | }
 39 |
/host/spi-builder-workspace/Sources/Swiftlier/Model/Observable/ObservableReference.swift:30:32: warning: using 'class' keyword to define a class-constrained protocol is deprecated; use 'AnyObject' instead
 28 |  Store a value that can be observed by external objects
 29 |  */
 30 | public protocol Referenceable: class {}
    |                                `- warning: using 'class' keyword to define a class-constrained protocol is deprecated; use 'AnyObject' instead
 31 | public final class ObservableReference<T: Referenceable> {
 32 |     public typealias Handler = () -> ()
[57/65] Compiling Swiftlier XML.swift
/host/spi-builder-workspace/Sources/Swiftlier/Model/Observable/Observable.swift:36:23: warning: static property 'initial' is not concurrency-safe because non-'Sendable' type 'ObservationOptions' may have shared mutable state; this is an error in the Swift 6 language mode
 27 |     Options for observing an observable
 28 | */
 29 | public struct ObservationOptions: OptionSet  {
    |               `- note: consider making struct 'ObservationOptions' conform to the 'Sendable' protocol
 30 |     public let rawValue: Int
 31 |
    :
 34 |     }
 35 |
 36 |     public static let initial = ObservationOptions(rawValue: 1 << 0)
    |                       |- warning: static property 'initial' is not concurrency-safe because non-'Sendable' type 'ObservationOptions' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'initial' with '@MainActor' if property should only be accessed from the main actor
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 37 |     public static let onlyOnce = ObservationOptions(rawValue: 1 << 1)
 38 | }
/host/spi-builder-workspace/Sources/Swiftlier/Model/Observable/Observable.swift:37:23: warning: static property 'onlyOnce' is not concurrency-safe because non-'Sendable' type 'ObservationOptions' may have shared mutable state; this is an error in the Swift 6 language mode
 27 |     Options for observing an observable
 28 | */
 29 | public struct ObservationOptions: OptionSet  {
    |               `- note: consider making struct 'ObservationOptions' conform to the 'Sendable' protocol
 30 |     public let rawValue: Int
 31 |
    :
 35 |
 36 |     public static let initial = ObservationOptions(rawValue: 1 << 0)
 37 |     public static let onlyOnce = ObservationOptions(rawValue: 1 << 1)
    |                       |- warning: static property 'onlyOnce' is not concurrency-safe because non-'Sendable' type 'ObservationOptions' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'onlyOnce' with '@MainActor' if property should only be accessed from the main actor
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 38 | }
 39 |
/host/spi-builder-workspace/Sources/Swiftlier/Model/Observable/ObservableReference.swift:30:32: warning: using 'class' keyword to define a class-constrained protocol is deprecated; use 'AnyObject' instead
 28 |  Store a value that can be observed by external objects
 29 |  */
 30 | public protocol Referenceable: class {}
    |                                `- warning: using 'class' keyword to define a class-constrained protocol is deprecated; use 'AnyObject' instead
 31 | public final class ObservableReference<T: Referenceable> {
 32 |     public typealias Handler = () -> ()
[58/65] Compiling Swiftlier ValueTypePersistenceService.swift
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:11:13: warning: let 'dateAndTimeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
  9 | import Foundation
 10 |
 11 | private let dateAndTimeFormatter: DateFormatter = {
    |             `- warning: let 'dateAndTimeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 12 |     var dateFormatter = DateFormatter()
 13 |     dateFormatter.locale = Locale(identifier:"en_US_POSIX")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:9:1: warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'Foundation'
  7 | //
  8 |
  9 | import Foundation
    | `- warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'Foundation'
 10 |
 11 | private let dateAndTimeFormatter: DateFormatter = {
    |             |- note: annotate 'dateAndTimeFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 12 |     var dateFormatter = DateFormatter()
 13 |     dateFormatter.locale = Locale(identifier:"en_US_POSIX")
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:18:13: warning: let 'timeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 16 | }()
 17 |
 18 | private let timeFormatter: DateFormatter = {
    |             |- warning: let 'timeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'timeFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 19 |     var dateFormatter = DateFormatter()
 20 |     dateFormatter.timeStyle = .short
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:24:13: warning: let 'dateFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 22 | }()
 23 |
 24 | private let dateFormatter: DateFormatter = {
    |             |- warning: let 'dateFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'dateFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 25 |     var dateFormatter = DateFormatter()
 26 |     dateFormatter.locale = Locale(identifier:"en_US_POSIX")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:31:13: warning: let 'shortDateFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 29 | }()
 30 |
 31 | private let shortDateFormatter: DateFormatter = {
    |             |- warning: let 'shortDateFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'shortDateFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 32 |     var dateFormatter = DateFormatter()
 33 |     dateFormatter.setLocalizedDateFormatFromTemplate("MMddyyyy")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:37:13: warning: let 'shortestDateFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 35 | }()
 36 |
 37 | private let shortestDateFormatter: DateFormatter = {
    |             |- warning: let 'shortestDateFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'shortestDateFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 38 |     var dateFormatter = DateFormatter()
 39 |     dateFormatter.dateStyle = .short
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:43:13: warning: let 'dayAndMonthFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 41 | }()
 42 |
 43 | private let dayAndMonthFormatter: DateFormatter = {
    |             |- warning: let 'dayAndMonthFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'dayAndMonthFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 44 |     var dateFormatter = DateFormatter()
 45 |     dateFormatter.setLocalizedDateFormatFromTemplate("MMdd")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:49:13: warning: let 'monthAndYearFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 47 | }()
 48 |
 49 | private let monthAndYearFormatter: DateFormatter = {
    |             |- warning: let 'monthAndYearFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'monthAndYearFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 50 |     var dateFormatter = DateFormatter()
 51 |     dateFormatter.setLocalizedDateFormatFromTemplate("MMyyyy")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:55:13: warning: let 'longMonthAndYearFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 53 | }()
 54 |
 55 | private let longMonthAndYearFormatter: DateFormatter = {
    |             |- warning: let 'longMonthAndYearFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'longMonthAndYearFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 56 |     var dateFormatter = DateFormatter()
 57 |     dateFormatter.setLocalizedDateFormatFromTemplate("MMMMyyyy")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:61:13: warning: let 'monthFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 59 | }()
 60 |
 61 | private let monthFormatter: DateFormatter = {
    |             |- warning: let 'monthFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'monthFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 62 |     var dateFormatter = DateFormatter()
 63 |     dateFormatter.locale = Locale(identifier:"en_US_POSIX")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:68:13: warning: let 'yearFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 66 | }()
 67 |
 68 | private let yearFormatter: DateFormatter = {
    |             |- warning: let 'yearFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'yearFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 69 |     var dateFormatter = DateFormatter()
 70 |     dateFormatter.locale = Locale(identifier:"en_US_POSIX")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:75:13: warning: let 'gmtDateTimeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 73 | }()
 74 |
 75 | private let gmtDateTimeFormatter: DateFormatter = {
    |             |- warning: let 'gmtDateTimeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'gmtDateTimeFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 76 |     let dateFormatter = DateFormatter()
 77 |     dateFormatter.locale = Locale(identifier:"en_US_POSIX")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:83:13: warning: let 'railsDateTimeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 81 | }()
 82 |
 83 | private let railsDateTimeFormatter: DateFormatter = {
    |             |- warning: let 'railsDateTimeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'railsDateTimeFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 84 |     var dateFormatter = DateFormatter()
 85 |     let timeZone = TimeZone(identifier: "UTC")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:92:12: warning: let 'ISO8601DateTimeFormatters' is not concurrency-safe because non-'Sendable' type '[DateFormatter]' may have shared mutable state; this is an error in the Swift 6 language mode
 90 | }()
 91 |
 92 | public let ISO8601DateTimeFormatters: [DateFormatter] = {
    |            |- warning: let 'ISO8601DateTimeFormatters' is not concurrency-safe because non-'Sendable' type '[DateFormatter]' may have shared mutable state; this is an error in the Swift 6 language mode
    |            |- note: annotate 'ISO8601DateTimeFormatters' with '@MainActor' if property should only be accessed from the main actor
    |            `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 93 |     var dateFormatter1 = DateFormatter()
 94 |     let timeZone = TimeZone(identifier: "UTC")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:122:13: warning: let 'localIso8601DateTimeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
120 | }()
121 |
122 | private let localIso8601DateTimeFormatter: DateFormatter = {
    |             |- warning: let 'localIso8601DateTimeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'localIso8601DateTimeFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
123 |     var dateFormatter = DateFormatter()
124 |     dateFormatter.dateFormat = "yyyy'-'MM'-'dd'T'HH':'mm':'ss'.'S"
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:129:13: warning: let 'railsDateFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
127 | }()
128 |
129 | private let railsDateFormatter: DateFormatter = {
    |             |- warning: let 'railsDateFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'railsDateFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
130 |     var dateFormatter = DateFormatter()
131 |     dateFormatter.dateFormat = "yyyy'-'MM'-'dd"
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:135:13: warning: let 'authTokenDate' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
133 | }()
134 |
135 | private let authTokenDate: DateFormatter = {
    |             |- warning: let 'authTokenDate' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'authTokenDate' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
136 |     var dateFormatter = DateFormatter()
137 |     dateFormatter.dateFormat = "ddMMyyyy"
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:141:13: warning: let 'preciseTimeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
139 | }()
140 |
141 | private let preciseTimeFormatter: DateFormatter = {
    |             |- warning: let 'preciseTimeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'preciseTimeFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
142 |     var dateFormatter = DateFormatter()
143 |     let timeZone = TimeZone(identifier: "UTC")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
[59/65] Compiling Swiftlier Bool+Formatting.swift
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:11:13: warning: let 'dateAndTimeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
  9 | import Foundation
 10 |
 11 | private let dateAndTimeFormatter: DateFormatter = {
    |             `- warning: let 'dateAndTimeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 12 |     var dateFormatter = DateFormatter()
 13 |     dateFormatter.locale = Locale(identifier:"en_US_POSIX")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:9:1: warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'Foundation'
  7 | //
  8 |
  9 | import Foundation
    | `- warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'Foundation'
 10 |
 11 | private let dateAndTimeFormatter: DateFormatter = {
    |             |- note: annotate 'dateAndTimeFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 12 |     var dateFormatter = DateFormatter()
 13 |     dateFormatter.locale = Locale(identifier:"en_US_POSIX")
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:18:13: warning: let 'timeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 16 | }()
 17 |
 18 | private let timeFormatter: DateFormatter = {
    |             |- warning: let 'timeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'timeFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 19 |     var dateFormatter = DateFormatter()
 20 |     dateFormatter.timeStyle = .short
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:24:13: warning: let 'dateFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 22 | }()
 23 |
 24 | private let dateFormatter: DateFormatter = {
    |             |- warning: let 'dateFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'dateFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 25 |     var dateFormatter = DateFormatter()
 26 |     dateFormatter.locale = Locale(identifier:"en_US_POSIX")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:31:13: warning: let 'shortDateFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 29 | }()
 30 |
 31 | private let shortDateFormatter: DateFormatter = {
    |             |- warning: let 'shortDateFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'shortDateFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 32 |     var dateFormatter = DateFormatter()
 33 |     dateFormatter.setLocalizedDateFormatFromTemplate("MMddyyyy")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:37:13: warning: let 'shortestDateFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 35 | }()
 36 |
 37 | private let shortestDateFormatter: DateFormatter = {
    |             |- warning: let 'shortestDateFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'shortestDateFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 38 |     var dateFormatter = DateFormatter()
 39 |     dateFormatter.dateStyle = .short
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:43:13: warning: let 'dayAndMonthFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 41 | }()
 42 |
 43 | private let dayAndMonthFormatter: DateFormatter = {
    |             |- warning: let 'dayAndMonthFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'dayAndMonthFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 44 |     var dateFormatter = DateFormatter()
 45 |     dateFormatter.setLocalizedDateFormatFromTemplate("MMdd")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:49:13: warning: let 'monthAndYearFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 47 | }()
 48 |
 49 | private let monthAndYearFormatter: DateFormatter = {
    |             |- warning: let 'monthAndYearFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'monthAndYearFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 50 |     var dateFormatter = DateFormatter()
 51 |     dateFormatter.setLocalizedDateFormatFromTemplate("MMyyyy")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:55:13: warning: let 'longMonthAndYearFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 53 | }()
 54 |
 55 | private let longMonthAndYearFormatter: DateFormatter = {
    |             |- warning: let 'longMonthAndYearFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'longMonthAndYearFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 56 |     var dateFormatter = DateFormatter()
 57 |     dateFormatter.setLocalizedDateFormatFromTemplate("MMMMyyyy")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:61:13: warning: let 'monthFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 59 | }()
 60 |
 61 | private let monthFormatter: DateFormatter = {
    |             |- warning: let 'monthFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'monthFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 62 |     var dateFormatter = DateFormatter()
 63 |     dateFormatter.locale = Locale(identifier:"en_US_POSIX")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:68:13: warning: let 'yearFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 66 | }()
 67 |
 68 | private let yearFormatter: DateFormatter = {
    |             |- warning: let 'yearFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'yearFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 69 |     var dateFormatter = DateFormatter()
 70 |     dateFormatter.locale = Locale(identifier:"en_US_POSIX")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:75:13: warning: let 'gmtDateTimeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 73 | }()
 74 |
 75 | private let gmtDateTimeFormatter: DateFormatter = {
    |             |- warning: let 'gmtDateTimeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'gmtDateTimeFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 76 |     let dateFormatter = DateFormatter()
 77 |     dateFormatter.locale = Locale(identifier:"en_US_POSIX")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:83:13: warning: let 'railsDateTimeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 81 | }()
 82 |
 83 | private let railsDateTimeFormatter: DateFormatter = {
    |             |- warning: let 'railsDateTimeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'railsDateTimeFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 84 |     var dateFormatter = DateFormatter()
 85 |     let timeZone = TimeZone(identifier: "UTC")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:92:12: warning: let 'ISO8601DateTimeFormatters' is not concurrency-safe because non-'Sendable' type '[DateFormatter]' may have shared mutable state; this is an error in the Swift 6 language mode
 90 | }()
 91 |
 92 | public let ISO8601DateTimeFormatters: [DateFormatter] = {
    |            |- warning: let 'ISO8601DateTimeFormatters' is not concurrency-safe because non-'Sendable' type '[DateFormatter]' may have shared mutable state; this is an error in the Swift 6 language mode
    |            |- note: annotate 'ISO8601DateTimeFormatters' with '@MainActor' if property should only be accessed from the main actor
    |            `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 93 |     var dateFormatter1 = DateFormatter()
 94 |     let timeZone = TimeZone(identifier: "UTC")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:122:13: warning: let 'localIso8601DateTimeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
120 | }()
121 |
122 | private let localIso8601DateTimeFormatter: DateFormatter = {
    |             |- warning: let 'localIso8601DateTimeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'localIso8601DateTimeFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
123 |     var dateFormatter = DateFormatter()
124 |     dateFormatter.dateFormat = "yyyy'-'MM'-'dd'T'HH':'mm':'ss'.'S"
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:129:13: warning: let 'railsDateFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
127 | }()
128 |
129 | private let railsDateFormatter: DateFormatter = {
    |             |- warning: let 'railsDateFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'railsDateFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
130 |     var dateFormatter = DateFormatter()
131 |     dateFormatter.dateFormat = "yyyy'-'MM'-'dd"
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:135:13: warning: let 'authTokenDate' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
133 | }()
134 |
135 | private let authTokenDate: DateFormatter = {
    |             |- warning: let 'authTokenDate' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'authTokenDate' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
136 |     var dateFormatter = DateFormatter()
137 |     dateFormatter.dateFormat = "ddMMyyyy"
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:141:13: warning: let 'preciseTimeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
139 | }()
140 |
141 | private let preciseTimeFormatter: DateFormatter = {
    |             |- warning: let 'preciseTimeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'preciseTimeFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
142 |     var dateFormatter = DateFormatter()
143 |     let timeZone = TimeZone(identifier: "UTC")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
[60/65] Compiling Swiftlier Data+Base64.swift
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:11:13: warning: let 'dateAndTimeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
  9 | import Foundation
 10 |
 11 | private let dateAndTimeFormatter: DateFormatter = {
    |             `- warning: let 'dateAndTimeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 12 |     var dateFormatter = DateFormatter()
 13 |     dateFormatter.locale = Locale(identifier:"en_US_POSIX")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:9:1: warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'Foundation'
  7 | //
  8 |
  9 | import Foundation
    | `- warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'Foundation'
 10 |
 11 | private let dateAndTimeFormatter: DateFormatter = {
    |             |- note: annotate 'dateAndTimeFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 12 |     var dateFormatter = DateFormatter()
 13 |     dateFormatter.locale = Locale(identifier:"en_US_POSIX")
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:18:13: warning: let 'timeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 16 | }()
 17 |
 18 | private let timeFormatter: DateFormatter = {
    |             |- warning: let 'timeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'timeFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 19 |     var dateFormatter = DateFormatter()
 20 |     dateFormatter.timeStyle = .short
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:24:13: warning: let 'dateFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 22 | }()
 23 |
 24 | private let dateFormatter: DateFormatter = {
    |             |- warning: let 'dateFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'dateFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 25 |     var dateFormatter = DateFormatter()
 26 |     dateFormatter.locale = Locale(identifier:"en_US_POSIX")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:31:13: warning: let 'shortDateFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 29 | }()
 30 |
 31 | private let shortDateFormatter: DateFormatter = {
    |             |- warning: let 'shortDateFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'shortDateFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 32 |     var dateFormatter = DateFormatter()
 33 |     dateFormatter.setLocalizedDateFormatFromTemplate("MMddyyyy")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:37:13: warning: let 'shortestDateFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 35 | }()
 36 |
 37 | private let shortestDateFormatter: DateFormatter = {
    |             |- warning: let 'shortestDateFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'shortestDateFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 38 |     var dateFormatter = DateFormatter()
 39 |     dateFormatter.dateStyle = .short
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:43:13: warning: let 'dayAndMonthFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 41 | }()
 42 |
 43 | private let dayAndMonthFormatter: DateFormatter = {
    |             |- warning: let 'dayAndMonthFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'dayAndMonthFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 44 |     var dateFormatter = DateFormatter()
 45 |     dateFormatter.setLocalizedDateFormatFromTemplate("MMdd")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:49:13: warning: let 'monthAndYearFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 47 | }()
 48 |
 49 | private let monthAndYearFormatter: DateFormatter = {
    |             |- warning: let 'monthAndYearFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'monthAndYearFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 50 |     var dateFormatter = DateFormatter()
 51 |     dateFormatter.setLocalizedDateFormatFromTemplate("MMyyyy")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:55:13: warning: let 'longMonthAndYearFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 53 | }()
 54 |
 55 | private let longMonthAndYearFormatter: DateFormatter = {
    |             |- warning: let 'longMonthAndYearFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'longMonthAndYearFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 56 |     var dateFormatter = DateFormatter()
 57 |     dateFormatter.setLocalizedDateFormatFromTemplate("MMMMyyyy")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:61:13: warning: let 'monthFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 59 | }()
 60 |
 61 | private let monthFormatter: DateFormatter = {
    |             |- warning: let 'monthFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'monthFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 62 |     var dateFormatter = DateFormatter()
 63 |     dateFormatter.locale = Locale(identifier:"en_US_POSIX")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:68:13: warning: let 'yearFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 66 | }()
 67 |
 68 | private let yearFormatter: DateFormatter = {
    |             |- warning: let 'yearFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'yearFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 69 |     var dateFormatter = DateFormatter()
 70 |     dateFormatter.locale = Locale(identifier:"en_US_POSIX")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:75:13: warning: let 'gmtDateTimeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 73 | }()
 74 |
 75 | private let gmtDateTimeFormatter: DateFormatter = {
    |             |- warning: let 'gmtDateTimeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'gmtDateTimeFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 76 |     let dateFormatter = DateFormatter()
 77 |     dateFormatter.locale = Locale(identifier:"en_US_POSIX")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:83:13: warning: let 'railsDateTimeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 81 | }()
 82 |
 83 | private let railsDateTimeFormatter: DateFormatter = {
    |             |- warning: let 'railsDateTimeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'railsDateTimeFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 84 |     var dateFormatter = DateFormatter()
 85 |     let timeZone = TimeZone(identifier: "UTC")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:92:12: warning: let 'ISO8601DateTimeFormatters' is not concurrency-safe because non-'Sendable' type '[DateFormatter]' may have shared mutable state; this is an error in the Swift 6 language mode
 90 | }()
 91 |
 92 | public let ISO8601DateTimeFormatters: [DateFormatter] = {
    |            |- warning: let 'ISO8601DateTimeFormatters' is not concurrency-safe because non-'Sendable' type '[DateFormatter]' may have shared mutable state; this is an error in the Swift 6 language mode
    |            |- note: annotate 'ISO8601DateTimeFormatters' with '@MainActor' if property should only be accessed from the main actor
    |            `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 93 |     var dateFormatter1 = DateFormatter()
 94 |     let timeZone = TimeZone(identifier: "UTC")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:122:13: warning: let 'localIso8601DateTimeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
120 | }()
121 |
122 | private let localIso8601DateTimeFormatter: DateFormatter = {
    |             |- warning: let 'localIso8601DateTimeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'localIso8601DateTimeFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
123 |     var dateFormatter = DateFormatter()
124 |     dateFormatter.dateFormat = "yyyy'-'MM'-'dd'T'HH':'mm':'ss'.'S"
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:129:13: warning: let 'railsDateFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
127 | }()
128 |
129 | private let railsDateFormatter: DateFormatter = {
    |             |- warning: let 'railsDateFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'railsDateFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
130 |     var dateFormatter = DateFormatter()
131 |     dateFormatter.dateFormat = "yyyy'-'MM'-'dd"
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:135:13: warning: let 'authTokenDate' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
133 | }()
134 |
135 | private let authTokenDate: DateFormatter = {
    |             |- warning: let 'authTokenDate' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'authTokenDate' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
136 |     var dateFormatter = DateFormatter()
137 |     dateFormatter.dateFormat = "ddMMyyyy"
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:141:13: warning: let 'preciseTimeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
139 | }()
140 |
141 | private let preciseTimeFormatter: DateFormatter = {
    |             |- warning: let 'preciseTimeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'preciseTimeFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
142 |     var dateFormatter = DateFormatter()
143 |     let timeZone = TimeZone(identifier: "UTC")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
[61/65] Compiling Swiftlier Date+Formatting.swift
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:11:13: warning: let 'dateAndTimeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
  9 | import Foundation
 10 |
 11 | private let dateAndTimeFormatter: DateFormatter = {
    |             `- warning: let 'dateAndTimeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 12 |     var dateFormatter = DateFormatter()
 13 |     dateFormatter.locale = Locale(identifier:"en_US_POSIX")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:9:1: warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'Foundation'
  7 | //
  8 |
  9 | import Foundation
    | `- warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'Foundation'
 10 |
 11 | private let dateAndTimeFormatter: DateFormatter = {
    |             |- note: annotate 'dateAndTimeFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 12 |     var dateFormatter = DateFormatter()
 13 |     dateFormatter.locale = Locale(identifier:"en_US_POSIX")
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:18:13: warning: let 'timeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 16 | }()
 17 |
 18 | private let timeFormatter: DateFormatter = {
    |             |- warning: let 'timeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'timeFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 19 |     var dateFormatter = DateFormatter()
 20 |     dateFormatter.timeStyle = .short
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:24:13: warning: let 'dateFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 22 | }()
 23 |
 24 | private let dateFormatter: DateFormatter = {
    |             |- warning: let 'dateFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'dateFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 25 |     var dateFormatter = DateFormatter()
 26 |     dateFormatter.locale = Locale(identifier:"en_US_POSIX")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:31:13: warning: let 'shortDateFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 29 | }()
 30 |
 31 | private let shortDateFormatter: DateFormatter = {
    |             |- warning: let 'shortDateFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'shortDateFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 32 |     var dateFormatter = DateFormatter()
 33 |     dateFormatter.setLocalizedDateFormatFromTemplate("MMddyyyy")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:37:13: warning: let 'shortestDateFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 35 | }()
 36 |
 37 | private let shortestDateFormatter: DateFormatter = {
    |             |- warning: let 'shortestDateFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'shortestDateFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 38 |     var dateFormatter = DateFormatter()
 39 |     dateFormatter.dateStyle = .short
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:43:13: warning: let 'dayAndMonthFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 41 | }()
 42 |
 43 | private let dayAndMonthFormatter: DateFormatter = {
    |             |- warning: let 'dayAndMonthFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'dayAndMonthFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 44 |     var dateFormatter = DateFormatter()
 45 |     dateFormatter.setLocalizedDateFormatFromTemplate("MMdd")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:49:13: warning: let 'monthAndYearFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 47 | }()
 48 |
 49 | private let monthAndYearFormatter: DateFormatter = {
    |             |- warning: let 'monthAndYearFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'monthAndYearFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 50 |     var dateFormatter = DateFormatter()
 51 |     dateFormatter.setLocalizedDateFormatFromTemplate("MMyyyy")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:55:13: warning: let 'longMonthAndYearFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 53 | }()
 54 |
 55 | private let longMonthAndYearFormatter: DateFormatter = {
    |             |- warning: let 'longMonthAndYearFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'longMonthAndYearFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 56 |     var dateFormatter = DateFormatter()
 57 |     dateFormatter.setLocalizedDateFormatFromTemplate("MMMMyyyy")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:61:13: warning: let 'monthFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 59 | }()
 60 |
 61 | private let monthFormatter: DateFormatter = {
    |             |- warning: let 'monthFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'monthFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 62 |     var dateFormatter = DateFormatter()
 63 |     dateFormatter.locale = Locale(identifier:"en_US_POSIX")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:68:13: warning: let 'yearFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 66 | }()
 67 |
 68 | private let yearFormatter: DateFormatter = {
    |             |- warning: let 'yearFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'yearFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 69 |     var dateFormatter = DateFormatter()
 70 |     dateFormatter.locale = Locale(identifier:"en_US_POSIX")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:75:13: warning: let 'gmtDateTimeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 73 | }()
 74 |
 75 | private let gmtDateTimeFormatter: DateFormatter = {
    |             |- warning: let 'gmtDateTimeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'gmtDateTimeFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 76 |     let dateFormatter = DateFormatter()
 77 |     dateFormatter.locale = Locale(identifier:"en_US_POSIX")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:83:13: warning: let 'railsDateTimeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 81 | }()
 82 |
 83 | private let railsDateTimeFormatter: DateFormatter = {
    |             |- warning: let 'railsDateTimeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'railsDateTimeFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 84 |     var dateFormatter = DateFormatter()
 85 |     let timeZone = TimeZone(identifier: "UTC")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:92:12: warning: let 'ISO8601DateTimeFormatters' is not concurrency-safe because non-'Sendable' type '[DateFormatter]' may have shared mutable state; this is an error in the Swift 6 language mode
 90 | }()
 91 |
 92 | public let ISO8601DateTimeFormatters: [DateFormatter] = {
    |            |- warning: let 'ISO8601DateTimeFormatters' is not concurrency-safe because non-'Sendable' type '[DateFormatter]' may have shared mutable state; this is an error in the Swift 6 language mode
    |            |- note: annotate 'ISO8601DateTimeFormatters' with '@MainActor' if property should only be accessed from the main actor
    |            `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 93 |     var dateFormatter1 = DateFormatter()
 94 |     let timeZone = TimeZone(identifier: "UTC")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:122:13: warning: let 'localIso8601DateTimeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
120 | }()
121 |
122 | private let localIso8601DateTimeFormatter: DateFormatter = {
    |             |- warning: let 'localIso8601DateTimeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'localIso8601DateTimeFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
123 |     var dateFormatter = DateFormatter()
124 |     dateFormatter.dateFormat = "yyyy'-'MM'-'dd'T'HH':'mm':'ss'.'S"
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:129:13: warning: let 'railsDateFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
127 | }()
128 |
129 | private let railsDateFormatter: DateFormatter = {
    |             |- warning: let 'railsDateFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'railsDateFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
130 |     var dateFormatter = DateFormatter()
131 |     dateFormatter.dateFormat = "yyyy'-'MM'-'dd"
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:135:13: warning: let 'authTokenDate' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
133 | }()
134 |
135 | private let authTokenDate: DateFormatter = {
    |             |- warning: let 'authTokenDate' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'authTokenDate' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
136 |     var dateFormatter = DateFormatter()
137 |     dateFormatter.dateFormat = "ddMMyyyy"
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:141:13: warning: let 'preciseTimeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
139 | }()
140 |
141 | private let preciseTimeFormatter: DateFormatter = {
    |             |- warning: let 'preciseTimeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'preciseTimeFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
142 |     var dateFormatter = DateFormatter()
143 |     let timeZone = TimeZone(identifier: "UTC")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
[62/65] Compiling Swiftlier Double+Formatting.swift
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:11:13: warning: let 'dateAndTimeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
  9 | import Foundation
 10 |
 11 | private let dateAndTimeFormatter: DateFormatter = {
    |             `- warning: let 'dateAndTimeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 12 |     var dateFormatter = DateFormatter()
 13 |     dateFormatter.locale = Locale(identifier:"en_US_POSIX")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:9:1: warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'Foundation'
  7 | //
  8 |
  9 | import Foundation
    | `- warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'Foundation'
 10 |
 11 | private let dateAndTimeFormatter: DateFormatter = {
    |             |- note: annotate 'dateAndTimeFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 12 |     var dateFormatter = DateFormatter()
 13 |     dateFormatter.locale = Locale(identifier:"en_US_POSIX")
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:18:13: warning: let 'timeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 16 | }()
 17 |
 18 | private let timeFormatter: DateFormatter = {
    |             |- warning: let 'timeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'timeFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 19 |     var dateFormatter = DateFormatter()
 20 |     dateFormatter.timeStyle = .short
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:24:13: warning: let 'dateFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 22 | }()
 23 |
 24 | private let dateFormatter: DateFormatter = {
    |             |- warning: let 'dateFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'dateFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 25 |     var dateFormatter = DateFormatter()
 26 |     dateFormatter.locale = Locale(identifier:"en_US_POSIX")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:31:13: warning: let 'shortDateFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 29 | }()
 30 |
 31 | private let shortDateFormatter: DateFormatter = {
    |             |- warning: let 'shortDateFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'shortDateFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 32 |     var dateFormatter = DateFormatter()
 33 |     dateFormatter.setLocalizedDateFormatFromTemplate("MMddyyyy")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:37:13: warning: let 'shortestDateFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 35 | }()
 36 |
 37 | private let shortestDateFormatter: DateFormatter = {
    |             |- warning: let 'shortestDateFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'shortestDateFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 38 |     var dateFormatter = DateFormatter()
 39 |     dateFormatter.dateStyle = .short
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:43:13: warning: let 'dayAndMonthFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 41 | }()
 42 |
 43 | private let dayAndMonthFormatter: DateFormatter = {
    |             |- warning: let 'dayAndMonthFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'dayAndMonthFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 44 |     var dateFormatter = DateFormatter()
 45 |     dateFormatter.setLocalizedDateFormatFromTemplate("MMdd")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:49:13: warning: let 'monthAndYearFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 47 | }()
 48 |
 49 | private let monthAndYearFormatter: DateFormatter = {
    |             |- warning: let 'monthAndYearFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'monthAndYearFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 50 |     var dateFormatter = DateFormatter()
 51 |     dateFormatter.setLocalizedDateFormatFromTemplate("MMyyyy")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:55:13: warning: let 'longMonthAndYearFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 53 | }()
 54 |
 55 | private let longMonthAndYearFormatter: DateFormatter = {
    |             |- warning: let 'longMonthAndYearFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'longMonthAndYearFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 56 |     var dateFormatter = DateFormatter()
 57 |     dateFormatter.setLocalizedDateFormatFromTemplate("MMMMyyyy")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:61:13: warning: let 'monthFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 59 | }()
 60 |
 61 | private let monthFormatter: DateFormatter = {
    |             |- warning: let 'monthFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'monthFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 62 |     var dateFormatter = DateFormatter()
 63 |     dateFormatter.locale = Locale(identifier:"en_US_POSIX")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:68:13: warning: let 'yearFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 66 | }()
 67 |
 68 | private let yearFormatter: DateFormatter = {
    |             |- warning: let 'yearFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'yearFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 69 |     var dateFormatter = DateFormatter()
 70 |     dateFormatter.locale = Locale(identifier:"en_US_POSIX")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:75:13: warning: let 'gmtDateTimeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 73 | }()
 74 |
 75 | private let gmtDateTimeFormatter: DateFormatter = {
    |             |- warning: let 'gmtDateTimeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'gmtDateTimeFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 76 |     let dateFormatter = DateFormatter()
 77 |     dateFormatter.locale = Locale(identifier:"en_US_POSIX")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:83:13: warning: let 'railsDateTimeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 81 | }()
 82 |
 83 | private let railsDateTimeFormatter: DateFormatter = {
    |             |- warning: let 'railsDateTimeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'railsDateTimeFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 84 |     var dateFormatter = DateFormatter()
 85 |     let timeZone = TimeZone(identifier: "UTC")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:92:12: warning: let 'ISO8601DateTimeFormatters' is not concurrency-safe because non-'Sendable' type '[DateFormatter]' may have shared mutable state; this is an error in the Swift 6 language mode
 90 | }()
 91 |
 92 | public let ISO8601DateTimeFormatters: [DateFormatter] = {
    |            |- warning: let 'ISO8601DateTimeFormatters' is not concurrency-safe because non-'Sendable' type '[DateFormatter]' may have shared mutable state; this is an error in the Swift 6 language mode
    |            |- note: annotate 'ISO8601DateTimeFormatters' with '@MainActor' if property should only be accessed from the main actor
    |            `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 93 |     var dateFormatter1 = DateFormatter()
 94 |     let timeZone = TimeZone(identifier: "UTC")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:122:13: warning: let 'localIso8601DateTimeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
120 | }()
121 |
122 | private let localIso8601DateTimeFormatter: DateFormatter = {
    |             |- warning: let 'localIso8601DateTimeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'localIso8601DateTimeFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
123 |     var dateFormatter = DateFormatter()
124 |     dateFormatter.dateFormat = "yyyy'-'MM'-'dd'T'HH':'mm':'ss'.'S"
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:129:13: warning: let 'railsDateFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
127 | }()
128 |
129 | private let railsDateFormatter: DateFormatter = {
    |             |- warning: let 'railsDateFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'railsDateFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
130 |     var dateFormatter = DateFormatter()
131 |     dateFormatter.dateFormat = "yyyy'-'MM'-'dd"
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:135:13: warning: let 'authTokenDate' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
133 | }()
134 |
135 | private let authTokenDate: DateFormatter = {
    |             |- warning: let 'authTokenDate' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'authTokenDate' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
136 |     var dateFormatter = DateFormatter()
137 |     dateFormatter.dateFormat = "ddMMyyyy"
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:141:13: warning: let 'preciseTimeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
139 | }()
140 |
141 | private let preciseTimeFormatter: DateFormatter = {
    |             |- warning: let 'preciseTimeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'preciseTimeFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
142 |     var dateFormatter = DateFormatter()
143 |     let timeZone = TimeZone(identifier: "UTC")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
[63/65] Compiling Swiftlier HeartRateFormatter.swift
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:11:13: warning: let 'dateAndTimeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
  9 | import Foundation
 10 |
 11 | private let dateAndTimeFormatter: DateFormatter = {
    |             `- warning: let 'dateAndTimeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 12 |     var dateFormatter = DateFormatter()
 13 |     dateFormatter.locale = Locale(identifier:"en_US_POSIX")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:9:1: warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'Foundation'
  7 | //
  8 |
  9 | import Foundation
    | `- warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'Foundation'
 10 |
 11 | private let dateAndTimeFormatter: DateFormatter = {
    |             |- note: annotate 'dateAndTimeFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 12 |     var dateFormatter = DateFormatter()
 13 |     dateFormatter.locale = Locale(identifier:"en_US_POSIX")
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:18:13: warning: let 'timeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 16 | }()
 17 |
 18 | private let timeFormatter: DateFormatter = {
    |             |- warning: let 'timeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'timeFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 19 |     var dateFormatter = DateFormatter()
 20 |     dateFormatter.timeStyle = .short
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:24:13: warning: let 'dateFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 22 | }()
 23 |
 24 | private let dateFormatter: DateFormatter = {
    |             |- warning: let 'dateFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'dateFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 25 |     var dateFormatter = DateFormatter()
 26 |     dateFormatter.locale = Locale(identifier:"en_US_POSIX")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:31:13: warning: let 'shortDateFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 29 | }()
 30 |
 31 | private let shortDateFormatter: DateFormatter = {
    |             |- warning: let 'shortDateFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'shortDateFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 32 |     var dateFormatter = DateFormatter()
 33 |     dateFormatter.setLocalizedDateFormatFromTemplate("MMddyyyy")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:37:13: warning: let 'shortestDateFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 35 | }()
 36 |
 37 | private let shortestDateFormatter: DateFormatter = {
    |             |- warning: let 'shortestDateFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'shortestDateFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 38 |     var dateFormatter = DateFormatter()
 39 |     dateFormatter.dateStyle = .short
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:43:13: warning: let 'dayAndMonthFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 41 | }()
 42 |
 43 | private let dayAndMonthFormatter: DateFormatter = {
    |             |- warning: let 'dayAndMonthFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'dayAndMonthFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 44 |     var dateFormatter = DateFormatter()
 45 |     dateFormatter.setLocalizedDateFormatFromTemplate("MMdd")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:49:13: warning: let 'monthAndYearFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 47 | }()
 48 |
 49 | private let monthAndYearFormatter: DateFormatter = {
    |             |- warning: let 'monthAndYearFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'monthAndYearFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 50 |     var dateFormatter = DateFormatter()
 51 |     dateFormatter.setLocalizedDateFormatFromTemplate("MMyyyy")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:55:13: warning: let 'longMonthAndYearFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 53 | }()
 54 |
 55 | private let longMonthAndYearFormatter: DateFormatter = {
    |             |- warning: let 'longMonthAndYearFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'longMonthAndYearFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 56 |     var dateFormatter = DateFormatter()
 57 |     dateFormatter.setLocalizedDateFormatFromTemplate("MMMMyyyy")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:61:13: warning: let 'monthFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 59 | }()
 60 |
 61 | private let monthFormatter: DateFormatter = {
    |             |- warning: let 'monthFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'monthFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 62 |     var dateFormatter = DateFormatter()
 63 |     dateFormatter.locale = Locale(identifier:"en_US_POSIX")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:68:13: warning: let 'yearFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 66 | }()
 67 |
 68 | private let yearFormatter: DateFormatter = {
    |             |- warning: let 'yearFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'yearFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 69 |     var dateFormatter = DateFormatter()
 70 |     dateFormatter.locale = Locale(identifier:"en_US_POSIX")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:75:13: warning: let 'gmtDateTimeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 73 | }()
 74 |
 75 | private let gmtDateTimeFormatter: DateFormatter = {
    |             |- warning: let 'gmtDateTimeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'gmtDateTimeFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 76 |     let dateFormatter = DateFormatter()
 77 |     dateFormatter.locale = Locale(identifier:"en_US_POSIX")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:83:13: warning: let 'railsDateTimeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 81 | }()
 82 |
 83 | private let railsDateTimeFormatter: DateFormatter = {
    |             |- warning: let 'railsDateTimeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'railsDateTimeFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 84 |     var dateFormatter = DateFormatter()
 85 |     let timeZone = TimeZone(identifier: "UTC")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:92:12: warning: let 'ISO8601DateTimeFormatters' is not concurrency-safe because non-'Sendable' type '[DateFormatter]' may have shared mutable state; this is an error in the Swift 6 language mode
 90 | }()
 91 |
 92 | public let ISO8601DateTimeFormatters: [DateFormatter] = {
    |            |- warning: let 'ISO8601DateTimeFormatters' is not concurrency-safe because non-'Sendable' type '[DateFormatter]' may have shared mutable state; this is an error in the Swift 6 language mode
    |            |- note: annotate 'ISO8601DateTimeFormatters' with '@MainActor' if property should only be accessed from the main actor
    |            `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 93 |     var dateFormatter1 = DateFormatter()
 94 |     let timeZone = TimeZone(identifier: "UTC")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:122:13: warning: let 'localIso8601DateTimeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
120 | }()
121 |
122 | private let localIso8601DateTimeFormatter: DateFormatter = {
    |             |- warning: let 'localIso8601DateTimeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'localIso8601DateTimeFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
123 |     var dateFormatter = DateFormatter()
124 |     dateFormatter.dateFormat = "yyyy'-'MM'-'dd'T'HH':'mm':'ss'.'S"
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:129:13: warning: let 'railsDateFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
127 | }()
128 |
129 | private let railsDateFormatter: DateFormatter = {
    |             |- warning: let 'railsDateFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'railsDateFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
130 |     var dateFormatter = DateFormatter()
131 |     dateFormatter.dateFormat = "yyyy'-'MM'-'dd"
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:135:13: warning: let 'authTokenDate' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
133 | }()
134 |
135 | private let authTokenDate: DateFormatter = {
    |             |- warning: let 'authTokenDate' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'authTokenDate' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
136 |     var dateFormatter = DateFormatter()
137 |     dateFormatter.dateFormat = "ddMMyyyy"
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:141:13: warning: let 'preciseTimeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
139 | }()
140 |
141 | private let preciseTimeFormatter: DateFormatter = {
    |             |- warning: let 'preciseTimeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'preciseTimeFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
142 |     var dateFormatter = DateFormatter()
143 |     let timeZone = TimeZone(identifier: "UTC")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
[64/65] Compiling Swiftlier TimeInterval+Formatting.swift
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:11:13: warning: let 'dateAndTimeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
  9 | import Foundation
 10 |
 11 | private let dateAndTimeFormatter: DateFormatter = {
    |             `- warning: let 'dateAndTimeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 12 |     var dateFormatter = DateFormatter()
 13 |     dateFormatter.locale = Locale(identifier:"en_US_POSIX")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:9:1: warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'Foundation'
  7 | //
  8 |
  9 | import Foundation
    | `- warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'Foundation'
 10 |
 11 | private let dateAndTimeFormatter: DateFormatter = {
    |             |- note: annotate 'dateAndTimeFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 12 |     var dateFormatter = DateFormatter()
 13 |     dateFormatter.locale = Locale(identifier:"en_US_POSIX")
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:18:13: warning: let 'timeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 16 | }()
 17 |
 18 | private let timeFormatter: DateFormatter = {
    |             |- warning: let 'timeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'timeFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 19 |     var dateFormatter = DateFormatter()
 20 |     dateFormatter.timeStyle = .short
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:24:13: warning: let 'dateFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 22 | }()
 23 |
 24 | private let dateFormatter: DateFormatter = {
    |             |- warning: let 'dateFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'dateFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 25 |     var dateFormatter = DateFormatter()
 26 |     dateFormatter.locale = Locale(identifier:"en_US_POSIX")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:31:13: warning: let 'shortDateFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 29 | }()
 30 |
 31 | private let shortDateFormatter: DateFormatter = {
    |             |- warning: let 'shortDateFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'shortDateFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 32 |     var dateFormatter = DateFormatter()
 33 |     dateFormatter.setLocalizedDateFormatFromTemplate("MMddyyyy")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:37:13: warning: let 'shortestDateFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 35 | }()
 36 |
 37 | private let shortestDateFormatter: DateFormatter = {
    |             |- warning: let 'shortestDateFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'shortestDateFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 38 |     var dateFormatter = DateFormatter()
 39 |     dateFormatter.dateStyle = .short
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:43:13: warning: let 'dayAndMonthFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 41 | }()
 42 |
 43 | private let dayAndMonthFormatter: DateFormatter = {
    |             |- warning: let 'dayAndMonthFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'dayAndMonthFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 44 |     var dateFormatter = DateFormatter()
 45 |     dateFormatter.setLocalizedDateFormatFromTemplate("MMdd")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:49:13: warning: let 'monthAndYearFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 47 | }()
 48 |
 49 | private let monthAndYearFormatter: DateFormatter = {
    |             |- warning: let 'monthAndYearFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'monthAndYearFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 50 |     var dateFormatter = DateFormatter()
 51 |     dateFormatter.setLocalizedDateFormatFromTemplate("MMyyyy")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:55:13: warning: let 'longMonthAndYearFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 53 | }()
 54 |
 55 | private let longMonthAndYearFormatter: DateFormatter = {
    |             |- warning: let 'longMonthAndYearFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'longMonthAndYearFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 56 |     var dateFormatter = DateFormatter()
 57 |     dateFormatter.setLocalizedDateFormatFromTemplate("MMMMyyyy")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:61:13: warning: let 'monthFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 59 | }()
 60 |
 61 | private let monthFormatter: DateFormatter = {
    |             |- warning: let 'monthFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'monthFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 62 |     var dateFormatter = DateFormatter()
 63 |     dateFormatter.locale = Locale(identifier:"en_US_POSIX")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:68:13: warning: let 'yearFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 66 | }()
 67 |
 68 | private let yearFormatter: DateFormatter = {
    |             |- warning: let 'yearFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'yearFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 69 |     var dateFormatter = DateFormatter()
 70 |     dateFormatter.locale = Locale(identifier:"en_US_POSIX")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:75:13: warning: let 'gmtDateTimeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 73 | }()
 74 |
 75 | private let gmtDateTimeFormatter: DateFormatter = {
    |             |- warning: let 'gmtDateTimeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'gmtDateTimeFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 76 |     let dateFormatter = DateFormatter()
 77 |     dateFormatter.locale = Locale(identifier:"en_US_POSIX")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:83:13: warning: let 'railsDateTimeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 81 | }()
 82 |
 83 | private let railsDateTimeFormatter: DateFormatter = {
    |             |- warning: let 'railsDateTimeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'railsDateTimeFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 84 |     var dateFormatter = DateFormatter()
 85 |     let timeZone = TimeZone(identifier: "UTC")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:92:12: warning: let 'ISO8601DateTimeFormatters' is not concurrency-safe because non-'Sendable' type '[DateFormatter]' may have shared mutable state; this is an error in the Swift 6 language mode
 90 | }()
 91 |
 92 | public let ISO8601DateTimeFormatters: [DateFormatter] = {
    |            |- warning: let 'ISO8601DateTimeFormatters' is not concurrency-safe because non-'Sendable' type '[DateFormatter]' may have shared mutable state; this is an error in the Swift 6 language mode
    |            |- note: annotate 'ISO8601DateTimeFormatters' with '@MainActor' if property should only be accessed from the main actor
    |            `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 93 |     var dateFormatter1 = DateFormatter()
 94 |     let timeZone = TimeZone(identifier: "UTC")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:122:13: warning: let 'localIso8601DateTimeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
120 | }()
121 |
122 | private let localIso8601DateTimeFormatter: DateFormatter = {
    |             |- warning: let 'localIso8601DateTimeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'localIso8601DateTimeFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
123 |     var dateFormatter = DateFormatter()
124 |     dateFormatter.dateFormat = "yyyy'-'MM'-'dd'T'HH':'mm':'ss'.'S"
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:129:13: warning: let 'railsDateFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
127 | }()
128 |
129 | private let railsDateFormatter: DateFormatter = {
    |             |- warning: let 'railsDateFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'railsDateFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
130 |     var dateFormatter = DateFormatter()
131 |     dateFormatter.dateFormat = "yyyy'-'MM'-'dd"
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:135:13: warning: let 'authTokenDate' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
133 | }()
134 |
135 | private let authTokenDate: DateFormatter = {
    |             |- warning: let 'authTokenDate' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'authTokenDate' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
136 |     var dateFormatter = DateFormatter()
137 |     dateFormatter.dateFormat = "ddMMyyyy"
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:141:13: warning: let 'preciseTimeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
139 | }()
140 |
141 | private let preciseTimeFormatter: DateFormatter = {
    |             |- warning: let 'preciseTimeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'preciseTimeFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
142 |     var dateFormatter = DateFormatter()
143 |     let timeZone = TimeZone(identifier: "UTC")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
[65/65] Compiling Swiftlier BinarySearchTree.swift
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:11:13: warning: let 'dateAndTimeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
  9 | import Foundation
 10 |
 11 | private let dateAndTimeFormatter: DateFormatter = {
    |             `- warning: let 'dateAndTimeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 12 |     var dateFormatter = DateFormatter()
 13 |     dateFormatter.locale = Locale(identifier:"en_US_POSIX")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:9:1: warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'Foundation'
  7 | //
  8 |
  9 | import Foundation
    | `- warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'Foundation'
 10 |
 11 | private let dateAndTimeFormatter: DateFormatter = {
    |             |- note: annotate 'dateAndTimeFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 12 |     var dateFormatter = DateFormatter()
 13 |     dateFormatter.locale = Locale(identifier:"en_US_POSIX")
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:18:13: warning: let 'timeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 16 | }()
 17 |
 18 | private let timeFormatter: DateFormatter = {
    |             |- warning: let 'timeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'timeFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 19 |     var dateFormatter = DateFormatter()
 20 |     dateFormatter.timeStyle = .short
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:24:13: warning: let 'dateFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 22 | }()
 23 |
 24 | private let dateFormatter: DateFormatter = {
    |             |- warning: let 'dateFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'dateFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 25 |     var dateFormatter = DateFormatter()
 26 |     dateFormatter.locale = Locale(identifier:"en_US_POSIX")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:31:13: warning: let 'shortDateFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 29 | }()
 30 |
 31 | private let shortDateFormatter: DateFormatter = {
    |             |- warning: let 'shortDateFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'shortDateFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 32 |     var dateFormatter = DateFormatter()
 33 |     dateFormatter.setLocalizedDateFormatFromTemplate("MMddyyyy")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:37:13: warning: let 'shortestDateFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 35 | }()
 36 |
 37 | private let shortestDateFormatter: DateFormatter = {
    |             |- warning: let 'shortestDateFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'shortestDateFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 38 |     var dateFormatter = DateFormatter()
 39 |     dateFormatter.dateStyle = .short
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:43:13: warning: let 'dayAndMonthFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 41 | }()
 42 |
 43 | private let dayAndMonthFormatter: DateFormatter = {
    |             |- warning: let 'dayAndMonthFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'dayAndMonthFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 44 |     var dateFormatter = DateFormatter()
 45 |     dateFormatter.setLocalizedDateFormatFromTemplate("MMdd")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:49:13: warning: let 'monthAndYearFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 47 | }()
 48 |
 49 | private let monthAndYearFormatter: DateFormatter = {
    |             |- warning: let 'monthAndYearFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'monthAndYearFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 50 |     var dateFormatter = DateFormatter()
 51 |     dateFormatter.setLocalizedDateFormatFromTemplate("MMyyyy")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:55:13: warning: let 'longMonthAndYearFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 53 | }()
 54 |
 55 | private let longMonthAndYearFormatter: DateFormatter = {
    |             |- warning: let 'longMonthAndYearFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'longMonthAndYearFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 56 |     var dateFormatter = DateFormatter()
 57 |     dateFormatter.setLocalizedDateFormatFromTemplate("MMMMyyyy")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:61:13: warning: let 'monthFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 59 | }()
 60 |
 61 | private let monthFormatter: DateFormatter = {
    |             |- warning: let 'monthFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'monthFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 62 |     var dateFormatter = DateFormatter()
 63 |     dateFormatter.locale = Locale(identifier:"en_US_POSIX")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:68:13: warning: let 'yearFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 66 | }()
 67 |
 68 | private let yearFormatter: DateFormatter = {
    |             |- warning: let 'yearFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'yearFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 69 |     var dateFormatter = DateFormatter()
 70 |     dateFormatter.locale = Locale(identifier:"en_US_POSIX")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:75:13: warning: let 'gmtDateTimeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 73 | }()
 74 |
 75 | private let gmtDateTimeFormatter: DateFormatter = {
    |             |- warning: let 'gmtDateTimeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'gmtDateTimeFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 76 |     let dateFormatter = DateFormatter()
 77 |     dateFormatter.locale = Locale(identifier:"en_US_POSIX")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:83:13: warning: let 'railsDateTimeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 81 | }()
 82 |
 83 | private let railsDateTimeFormatter: DateFormatter = {
    |             |- warning: let 'railsDateTimeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'railsDateTimeFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 84 |     var dateFormatter = DateFormatter()
 85 |     let timeZone = TimeZone(identifier: "UTC")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:92:12: warning: let 'ISO8601DateTimeFormatters' is not concurrency-safe because non-'Sendable' type '[DateFormatter]' may have shared mutable state; this is an error in the Swift 6 language mode
 90 | }()
 91 |
 92 | public let ISO8601DateTimeFormatters: [DateFormatter] = {
    |            |- warning: let 'ISO8601DateTimeFormatters' is not concurrency-safe because non-'Sendable' type '[DateFormatter]' may have shared mutable state; this is an error in the Swift 6 language mode
    |            |- note: annotate 'ISO8601DateTimeFormatters' with '@MainActor' if property should only be accessed from the main actor
    |            `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 93 |     var dateFormatter1 = DateFormatter()
 94 |     let timeZone = TimeZone(identifier: "UTC")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:122:13: warning: let 'localIso8601DateTimeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
120 | }()
121 |
122 | private let localIso8601DateTimeFormatter: DateFormatter = {
    |             |- warning: let 'localIso8601DateTimeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'localIso8601DateTimeFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
123 |     var dateFormatter = DateFormatter()
124 |     dateFormatter.dateFormat = "yyyy'-'MM'-'dd'T'HH':'mm':'ss'.'S"
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:129:13: warning: let 'railsDateFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
127 | }()
128 |
129 | private let railsDateFormatter: DateFormatter = {
    |             |- warning: let 'railsDateFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'railsDateFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
130 |     var dateFormatter = DateFormatter()
131 |     dateFormatter.dateFormat = "yyyy'-'MM'-'dd"
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:135:13: warning: let 'authTokenDate' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
133 | }()
134 |
135 | private let authTokenDate: DateFormatter = {
    |             |- warning: let 'authTokenDate' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'authTokenDate' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
136 |     var dateFormatter = DateFormatter()
137 |     dateFormatter.dateFormat = "ddMMyyyy"
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Swiftlier/Formatting/Date+Formatting.swift:141:13: warning: let 'preciseTimeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
139 | }()
140 |
141 | private let preciseTimeFormatter: DateFormatter = {
    |             |- warning: let 'preciseTimeFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'preciseTimeFormatter' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
142 |     var dateFormatter = DateFormatter()
143 |     let timeZone = TimeZone(identifier: "UTC")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
Build complete! (12.20s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Swiftlier",
  "name" : "Swiftlier",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "8.0"
    },
    {
      "name" : "macos",
      "version" : "10.11"
    },
    {
      "name" : "tvos",
      "version" : "9.0"
    }
  ],
  "products" : [
    {
      "name" : "Swiftlier",
      "targets" : [
        "Swiftlier"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SwiftlierTests",
      "module_type" : "SwiftTarget",
      "name" : "SwiftlierTests",
      "path" : "Tests/SwiftlierTests",
      "sources" : [
        "AgeTests.swift",
        "AlwaysEqualTests.swift",
        "AngleTests.swift",
        "BinarySearchTreeTests.swift",
        "Bool_Formatting.swift",
        "CSVStreamReaderTests.swift",
        "CodingKeysTests.swift",
        "Coding_HelpersTests.swift",
        "Collection_EnhancementsTests.swift",
        "Data_Base64Tests.swift",
        "Data_ProcessingTests.swift",
        "Date_HelpersTests.swift",
        "DayTests.swift",
        "DelimiterStreamReaderTests.swift",
        "DispatchQueue_EnhancementsTests.swift",
        "Double_FormattingTests.swift",
        "EmailAddressTests.swift",
        "EventCenterTests.swift",
        "HTMLTests.swift",
        "HeartRateFormatterTests.swift",
        "JSONTests.swift",
        "LimitedQueueTests.swift",
        "MassTests.swift",
        "MultiCallbackTests.swift",
        "NativeTypesDecoderTests.swift",
        "NativeTypesEncoderTests.swift",
        "ObservableTests.swift",
        "PatchyRangeTests.swift",
        "PathTests.swift",
        "Path_CodingTests.swift",
        "PercentEncodableTests.swift",
        "PersistenceServiceTests.swift",
        "SpecDecoderTests.swift",
        "String_EnhancementsTests.swift",
        "TestCodable.swift",
        "URL_EnhancementsTests.swift",
        "XCTestManifests.swift",
        "XMLTests.swift"
      ],
      "target_dependencies" : [
        "Swiftlier"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Swiftlier",
      "module_type" : "SwiftTarget",
      "name" : "Swiftlier",
      "path" : "Sources",
      "product_memberships" : [
        "Swiftlier"
      ],
      "sources" : [
        "Swiftlier/Coding/Coding+Helpers.swift",
        "Swiftlier/Coding/CodingKeys.swift",
        "Swiftlier/Coding/NativeTypesDecoder.swift",
        "Swiftlier/Coding/NativeTypesEncoder.swift",
        "Swiftlier/Coding/PercentEncodable.swift",
        "Swiftlier/Coding/SpecDecoder.swift",
        "Swiftlier/Enhancements/Collection+Enhancments.swift",
        "Swiftlier/Enhancements/Data+Processing.swift",
        "Swiftlier/Enhancements/Date+Helpers.swift",
        "Swiftlier/Enhancements/DispatchQueue+Enhancements.swift",
        "Swiftlier/Enhancements/String+Enhancements.swift",
        "Swiftlier/Enhancements/URL+Enhancements.swift",
        "Swiftlier/Errors/AnySwiftlierError.swift",
        "Swiftlier/Errors/GenericSwiftlierError.swift",
        "Swiftlier/Errors/OperationBasedError.swift",
        "Swiftlier/Errors/OtherSwiftlierError.swift",
        "Swiftlier/Errors/SwiftlierError.swift",
        "Swiftlier/Errors/SwiftlierResult.swift",
        "Swiftlier/FileSystem/FileSystem+iOSDirectories.swift",
        "Swiftlier/FileSystem/FileSystem.swift",
        "Swiftlier/FileSystem/Path+Coding.swift",
        "Swiftlier/FileSystem/Path.swift",
        "Swiftlier/FileSystem/PersistenceService.swift",
        "Swiftlier/FileSystem/ReferenceTypePersistenceService.swift",
        "Swiftlier/FileSystem/ValueTypePersistenceService.swift",
        "Swiftlier/Formatting/Bool+Formatting.swift",
        "Swiftlier/Formatting/Data+Base64.swift",
        "Swiftlier/Formatting/Date+Formatting.swift",
        "Swiftlier/Formatting/Double+Formatting.swift",
        "Swiftlier/Formatting/HeartRateFormatter.swift",
        "Swiftlier/Formatting/TimeInterval+Formatting.swift",
        "Swiftlier/Model/Containers/BinarySearchTree.swift",
        "Swiftlier/Model/Containers/LimitedQueue.swift",
        "Swiftlier/Model/Containers/OrderedDictionary.swift",
        "Swiftlier/Model/Containers/PatchyRange.swift",
        "Swiftlier/Model/Containers/SelectableValue.swift",
        "Swiftlier/Model/Containers/Syncable.swift",
        "Swiftlier/Model/Containers/WeakWrapper.swift",
        "Swiftlier/Model/Observable/EventCenter.swift",
        "Swiftlier/Model/Observable/MultiCallback.swift",
        "Swiftlier/Model/Observable/Observable.swift",
        "Swiftlier/Model/Observable/ObservableArray.swift",
        "Swiftlier/Model/Observable/ObservableDictionary.swift",
        "Swiftlier/Model/Observable/ObservableReference.swift",
        "Swiftlier/Model/Structured/JSON.swift",
        "Swiftlier/Model/Structured/NativeTypesStructured.swift",
        "Swiftlier/Model/Structured/Structured.swift",
        "Swiftlier/Model/Structured/XML.swift",
        "Swiftlier/Model/Types/Age.swift",
        "Swiftlier/Model/Types/AlwaysEqual.swift",
        "Swiftlier/Model/Types/Angle.swift",
        "Swiftlier/Model/Types/Day.swift",
        "Swiftlier/Model/Types/EmailAddress.swift",
        "Swiftlier/Model/Types/HTML.swift",
        "Swiftlier/Model/Types/Mass.swift",
        "Swiftlier/Model/Types/Price.swift",
        "Swiftlier/Model/Types/UniquelyIdentifiable.swift",
        "Swiftlier/Streams/CSVStreamReader.swift",
        "Swiftlier/Streams/DelimiterStreamReader.swift",
        "Swiftlier/Streams/StreamReader.swift",
        "Swiftlier/Testing/Date+Testable.swift",
        "Swiftlier/Testing/URLSession+Testing.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.0"
}
Done.
This is a staging environment. For live and up-to-date package information, visit swiftpackageindex.com.