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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 ReactiveSwift with Swift 6.0 for macOS (SPM).

Swift 6 data race errors: 12

Build Command

env DEVELOPER_DIR=/Applications/Xcode-15.3.0.app xcrun --toolchain org.swift.600202405261a swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete

Build Log

========================================
RunAll
========================================
Builder version: 4.40.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/Moya/ReactiveSwift.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/Moya/ReactiveSwift
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at abcdc22 SignalProducer: avoid recursive start of a sequence of producers (#734)
Submodule path 'Carthage/Checkouts/Nimble': checked out 'f8657642dfdec9973efc79cc68bcef43a653a2bc'
Submodule path 'Carthage/Checkouts/Quick': checked out '0b4ed6c706dd0cce923b5019a605a9bcc6b1b600'
Submodule path 'Carthage/Checkouts/Quick/Externals/Nimble': checked out 'a27c5186ce2d65f60d1237660b2509df3eb29023'
Submodule path 'Carthage/Checkouts/xcconfigs': checked out 'bb795558a76e5daf3688500055bbcfe243bffa8d'
Submodule 'Carthage/Checkouts/Nimble' (https://github.com/Quick/Nimble.git) registered for path 'Carthage/Checkouts/Nimble'
Submodule 'Carthage/Checkouts/Quick' (https://github.com/Quick/Quick.git) registered for path 'Carthage/Checkouts/Quick'
Submodule 'Carthage/Checkouts/xcconfigs' (https://github.com/jspahrsummers/xcconfigs.git) registered for path 'Carthage/Checkouts/xcconfigs'
Cloning into '/Users/admin/builder/spi-builder-workspace/Carthage/Checkouts/Nimble'...
Cloning into '/Users/admin/builder/spi-builder-workspace/Carthage/Checkouts/Quick'...
Cloning into '/Users/admin/builder/spi-builder-workspace/Carthage/Checkouts/xcconfigs'...
Submodule 'Externals/Nimble' (https://github.com/Quick/Nimble.git) registered for path 'Carthage/Checkouts/Quick/Externals/Nimble'
Cloning into '/Users/admin/builder/spi-builder-workspace/Carthage/Checkouts/Quick/Externals/Nimble'...
Cloned https://github.com/Moya/ReactiveSwift.git
Revision (git rev-parse @):
abcdc22fecdef777eaf4dda5cd4b410e24aceae7
SUCCESS checkout https://github.com/Moya/ReactiveSwift.git at master
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $workDir
https://github.com/Moya/ReactiveSwift.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-15.3.0.app xcrun --toolchain org.swift.600202405261a swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-6F35C1178C84523A.txt
[3/22] Emitting module ReactiveSwift
/Users/admin/builder/spi-builder-workspace/Sources/Disposable.swift:11:29: warning: using 'class' keyword to define a class-constrained protocol is deprecated; use 'AnyObject' instead
  9 | /// Represents something that can be “disposed”, usually associated with freeing
 10 | /// resources or canceling work.
 11 | public protocol Disposable: class {
    |                             `- warning: using 'class' keyword to define a class-constrained protocol is deprecated; use 'AnyObject' instead
 12 | 	/// Whether this disposable has been disposed already.
 13 | 	var isDisposed: Bool { get }
/Users/admin/builder/spi-builder-workspace/Sources/Disposable.swift:60:13: warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'NopDisposable' may have shared mutable state; this is an error in the Swift 6 language mode
 57 |
 58 | /// A disposable that has already been disposed.
 59 | internal final class NopDisposable: Disposable {
    |                      `- note: class 'NopDisposable' does not conform to the 'Sendable' protocol
 60 | 	static let shared = NopDisposable()
    |             |- warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'NopDisposable' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'shared' 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
 61 | 	var isDisposed = true
 62 | 	func dispose() {}
/Users/admin/builder/spi-builder-workspace/Sources/EventLogger.swift:16:21: warning: static property 'allEvents' is not concurrency-safe because non-'Sendable' type 'Set<LoggingEvent.Signal>' may have shared mutable state; this is an error in the Swift 6 language mode
 11 | /// A namespace for logging event types.
 12 | public enum LoggingEvent {
 13 | 	public enum Signal: String {
    |              `- note: consider making enum 'Signal' conform to the 'Sendable' protocol
 14 | 		case value, completed, failed, terminated, disposed, interrupted
 15 |
 16 | 		public static let allEvents: Set<Signal> = [
    |                     |- warning: static property 'allEvents' is not concurrency-safe because non-'Sendable' type 'Set<LoggingEvent.Signal>' may have shared mutable state; this is an error in the Swift 6 language mode
    |                     |- note: annotate 'allEvents' 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
 17 | 			.value, .completed, .failed, .terminated, .disposed, .interrupted,
 18 | 		]
/Users/admin/builder/spi-builder-workspace/Sources/EventLogger.swift:24:21: warning: static property 'allEvents' is not concurrency-safe because non-'Sendable' type 'Set<LoggingEvent.SignalProducer>' may have shared mutable state; this is an error in the Swift 6 language mode
 19 | 	}
 20 |
 21 | 	public enum SignalProducer: String {
    |              `- note: consider making enum 'SignalProducer' conform to the 'Sendable' protocol
 22 | 		case starting, started, value, completed, failed, terminated, disposed, interrupted
 23 |
 24 | 		public static let allEvents: Set<SignalProducer> = [
    |                     |- warning: static property 'allEvents' is not concurrency-safe because non-'Sendable' type 'Set<LoggingEvent.SignalProducer>' may have shared mutable state; this is an error in the Swift 6 language mode
    |                     |- note: annotate 'allEvents' 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 | 			.starting, .started, .value, .completed, .failed, .terminated, .disposed, .interrupted,
 26 | 		]
/Users/admin/builder/spi-builder-workspace/Sources/Flatten.swift:34:20: warning: static property 'merge' is not concurrency-safe because non-'Sendable' type 'FlattenStrategy' may have shared mutable state; this is an error in the Swift 6 language mode
   8 |
   9 | /// Describes how a stream of inner streams should be flattened into a stream of values.
  10 | public struct FlattenStrategy {
     |               `- note: consider making struct 'FlattenStrategy' conform to the 'Sendable' protocol
  11 | 	fileprivate enum Kind {
  12 | 		case concurrent(limit: UInt)
     :
  32 | 	/// Any failure from the inner streams is propagated immediately to the flattened
  33 | 	/// stream of values.
  34 | 	public static let merge = FlattenStrategy(kind: .concurrent(limit: .max))
     |                    |- warning: static property 'merge' is not concurrency-safe because non-'Sendable' type 'FlattenStrategy' may have shared mutable state; this is an error in the Swift 6 language mode
     |                    |- note: annotate 'merge' 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
  35 |
  36 | 	/// The stream of streams is concatenated, so that only values from one inner stream
/Users/admin/builder/spi-builder-workspace/Sources/Flatten.swift:50:20: warning: static property 'concat' is not concurrency-safe because non-'Sendable' type 'FlattenStrategy' may have shared mutable state; this is an error in the Swift 6 language mode
   8 |
   9 | /// Describes how a stream of inner streams should be flattened into a stream of values.
  10 | public struct FlattenStrategy {
     |               `- note: consider making struct 'FlattenStrategy' conform to the 'Sendable' protocol
  11 | 	fileprivate enum Kind {
  12 | 		case concurrent(limit: UInt)
     :
  48 | 	/// Any failure from the inner streams is propagated immediately to the flattened
  49 | 	/// stream of values.
  50 | 	public static let concat = FlattenStrategy(kind: .concurrent(limit: 1))
     |                    |- warning: static property 'concat' is not concurrency-safe because non-'Sendable' type 'FlattenStrategy' may have shared mutable state; this is an error in the Swift 6 language mode
     |                    |- note: annotate 'concat' 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
  51 |
  52 | 	/// The stream of streams is merged with the given concurrency cap, so that any value
/Users/admin/builder/spi-builder-workspace/Sources/Flatten.swift:84:20: warning: static property 'latest' is not concurrency-safe because non-'Sendable' type 'FlattenStrategy' may have shared mutable state; this is an error in the Swift 6 language mode
   8 |
   9 | /// Describes how a stream of inner streams should be flattened into a stream of values.
  10 | public struct FlattenStrategy {
     |               `- note: consider making struct 'FlattenStrategy' conform to the 'Sendable' protocol
  11 | 	fileprivate enum Kind {
  12 | 		case concurrent(limit: UInt)
     :
  82 | 	/// Any failure from the inner streams is propagated immediately to the flattened
  83 | 	/// stream of values.
  84 | 	public static let latest = FlattenStrategy(kind: .latest)
     |                    |- warning: static property 'latest' is not concurrency-safe because non-'Sendable' type 'FlattenStrategy' may have shared mutable state; this is an error in the Swift 6 language mode
     |                    |- note: annotate 'latest' 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
  85 |
  86 | 	/// Forward only events from the first inner stream that sends an event. Any other
/Users/admin/builder/spi-builder-workspace/Sources/Flatten.swift:98:20: warning: static property 'race' is not concurrency-safe because non-'Sendable' type 'FlattenStrategy' may have shared mutable state; this is an error in the Swift 6 language mode
   8 |
   9 | /// Describes how a stream of inner streams should be flattened into a stream of values.
  10 | public struct FlattenStrategy {
     |               `- note: consider making struct 'FlattenStrategy' conform to the 'Sendable' protocol
  11 | 	fileprivate enum Kind {
  12 | 		case concurrent(limit: UInt)
     :
  96 | 	/// Any failure from the inner streams is propagated immediately to the flattened
  97 | 	/// stream of values.
  98 | 	public static let race = FlattenStrategy(kind: .race)
     |                    |- warning: static property 'race' is not concurrency-safe because non-'Sendable' type 'FlattenStrategy' may have shared mutable state; this is an error in the Swift 6 language mode
     |                    |- note: annotate 'race' 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
  99 | }
 100 |
/Users/admin/builder/spi-builder-workspace/Sources/Lifetime.swift:80:20: warning: static property 'empty' is not concurrency-safe because non-'Sendable' type 'Lifetime' may have shared mutable state; this is an error in the Swift 6 language mode
  3 | /// Represents the lifetime of an object, and provides a hook to observe when
  4 | /// the object deinitializes.
  5 | public final class Lifetime {
    |                    `- note: class 'Lifetime' does not conform to the 'Sendable' protocol
  6 | 	private let disposables: CompositeDisposable
  7 |
    :
 78 |
 79 | 	/// A `Lifetime` that has already ended.
 80 | 	public static let empty: Lifetime = {
    |                    |- warning: static property 'empty' is not concurrency-safe because non-'Sendable' type 'Lifetime' may have shared mutable state; this is an error in the Swift 6 language mode
    |                    |- note: annotate 'empty' 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
 81 | 		let disposables = CompositeDisposable()
 82 | 		disposables.dispose()
/Users/admin/builder/spi-builder-workspace/Sources/Property.swift:15:35: warning: using 'class' keyword to define a class-constrained protocol is deprecated; use 'AnyObject' instead
 13 | /// Only classes can conform to this protocol, because having a signal
 14 | /// for changes over time implies the origin must have a unique identity.
 15 | public protocol PropertyProtocol: class, BindingSource {
    |                                   `- warning: using 'class' keyword to define a class-constrained protocol is deprecated; use 'AnyObject' instead
 16 | 	/// The current value of the property.
 17 | 	var value: Value { get }
/Users/admin/builder/spi-builder-workspace/Sources/Scheduler.swift:17:28: warning: using 'class' keyword to define a class-constrained protocol is deprecated; use 'AnyObject' instead
 15 |
 16 | /// Represents a serial queue of work items.
 17 | public protocol Scheduler: class {
    |                            `- warning: using 'class' keyword to define a class-constrained protocol is deprecated; use 'AnyObject' instead
 18 | 	/// Enqueues an action on the scheduler.
 19 | 	///
/Users/admin/builder/spi-builder-workspace/Sources/Scheduler.swift:93:21: warning: static property 'dispatchSpecificKey' is not concurrency-safe because non-'Sendable' type 'DispatchSpecificKey<UInt8>' may have shared mutable state; this is an error in the Swift 6 language mode
 91 | /// will always be preserved.
 92 | public final class UIScheduler: Scheduler {
 93 | 	private static let dispatchSpecificKey = DispatchSpecificKey<UInt8>()
    |                     `- warning: static property 'dispatchSpecificKey' is not concurrency-safe because non-'Sendable' type 'DispatchSpecificKey<UInt8>' may have shared mutable state; this is an error in the Swift 6 language mode
 94 | 	private static let dispatchSpecificValue = UInt8.max
 95 | 	private static var __once: () = {
Dispatch.DispatchSpecificKey:1:20: note: generic class 'DispatchSpecificKey' does not conform to the 'Sendable' protocol
1 | final public class DispatchSpecificKey<T> {
  |                    `- note: generic class 'DispatchSpecificKey' does not conform to the 'Sendable' protocol
2 |     public init()
3 |     @objc deinit
/Users/admin/builder/spi-builder-workspace/Sources/Scheduler.swift:9:1: warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'Dispatch'
  7 | //
  8 |
  9 | import Dispatch
    | `- warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'Dispatch'
 10 | import Foundation
 11 |
    :
 91 | /// will always be preserved.
 92 | public final class UIScheduler: Scheduler {
 93 | 	private static let dispatchSpecificKey = DispatchSpecificKey<UInt8>()
    |                     |- note: annotate 'dispatchSpecificKey' 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
 94 | 	private static let dispatchSpecificValue = UInt8.max
 95 | 	private static var __once: () = {
/Users/admin/builder/spi-builder-workspace/Sources/Scheduler.swift:95:21: warning: static property '__once' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
 93 | 	private static let dispatchSpecificKey = DispatchSpecificKey<UInt8>()
 94 | 	private static let dispatchSpecificValue = UInt8.max
 95 | 	private static var __once: () = {
    |                     |- warning: static property '__once' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
    |                     |- note: convert '__once' to a 'let' constant to make 'Sendable' shared state immutable
    |                     |- note: annotate '__once' 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
 96 | 			DispatchQueue.main.setSpecific(key: UIScheduler.dispatchSpecificKey,
 97 | 			                               value: dispatchSpecificValue)
/Users/admin/builder/spi-builder-workspace/Sources/Scheduler.swift:215:20: warning: static property 'main' is not concurrency-safe because non-'Sendable' type 'QueueScheduler' may have shared mutable state; this is an error in the Swift 6 language mode
206 |
207 | /// A scheduler backed by a serial GCD queue.
208 | public final class QueueScheduler: DateScheduler {
    |                    `- note: class 'QueueScheduler' does not conform to the 'Sendable' protocol
209 | 	/// A singleton `QueueScheduler` that always targets the main thread's GCD
210 | 	/// queue.
    :
213 | 	///         future date, and will always schedule asynchronously (even if
214 | 	///         already running on the main thread).
215 | 	public static let main = QueueScheduler(internalQueue: DispatchQueue.main)
    |                    |- warning: static property 'main' is not concurrency-safe because non-'Sendable' type 'QueueScheduler' may have shared mutable state; this is an error in the Swift 6 language mode
    |                    |- note: annotate 'main' 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
216 |
217 | 	public var currentDate: Date {
/Users/admin/builder/spi-builder-workspace/Sources/Signal.swift:418:33: warning: using 'class' keyword to define a class-constrained protocol is deprecated; use 'AnyObject' instead
 416 | }
 417 |
 418 | public protocol SignalProtocol: class {
     |                                 `- warning: using 'class' keyword to define a class-constrained protocol is deprecated; use 'AnyObject' instead
 419 | 	/// The type of values being sent by `self`.
 420 | 	associatedtype Value
/Users/admin/builder/spi-builder-workspace/Sources/Signal.swift:1637:43: warning: using 'class' keyword to define a class-constrained protocol is deprecated; use 'AnyObject' instead
1635 | }
1636 |
1637 | private protocol SignalAggregateStrategy: class {
     |                                           `- warning: using 'class' keyword to define a class-constrained protocol is deprecated; use 'AnyObject' instead
1638 | 	/// Update the latest value of the signal at `position` to be `value`.
1639 | 	///
/Users/admin/builder/spi-builder-workspace/Sources/SignalProducer.swift:2781:6: warning: stored property 'values' of 'Sendable'-conforming generic struct 'ReplayError' has non-sendable type '[Value]'; this is an error in the Swift 6 language mode
2777 | /// attachment to a `ReplayState`, and the observer should replay the supplied
2778 | /// values before attempting to observe again.
2779 | private struct ReplayError<Value>: Error {
     |                            `- note: consider making generic parameter 'Value' conform to the 'Sendable' protocol
2780 | 	/// The values that should be replayed by the observer.
2781 | 	let values: [Value]
     |      `- warning: stored property 'values' of 'Sendable'-conforming generic struct 'ReplayError' has non-sendable type '[Value]'; this is an error in the Swift 6 language mode
2782 | }
2783 |
[4/24] Compiling ReactiveSwift UninhabitedTypeGuards.swift
[5/24] Compiling ReactiveSwift ValidatingProperty.swift
[6/24] Compiling ReactiveSwift Event.swift
/Users/admin/builder/spi-builder-workspace/Sources/EventLogger.swift:16:21: warning: static property 'allEvents' is not concurrency-safe because non-'Sendable' type 'Set<LoggingEvent.Signal>' may have shared mutable state; this is an error in the Swift 6 language mode
 11 | /// A namespace for logging event types.
 12 | public enum LoggingEvent {
 13 | 	public enum Signal: String {
    |              `- note: consider making enum 'Signal' conform to the 'Sendable' protocol
 14 | 		case value, completed, failed, terminated, disposed, interrupted
 15 |
 16 | 		public static let allEvents: Set<Signal> = [
    |                     |- warning: static property 'allEvents' is not concurrency-safe because non-'Sendable' type 'Set<LoggingEvent.Signal>' may have shared mutable state; this is an error in the Swift 6 language mode
    |                     |- note: annotate 'allEvents' 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
 17 | 			.value, .completed, .failed, .terminated, .disposed, .interrupted,
 18 | 		]
/Users/admin/builder/spi-builder-workspace/Sources/EventLogger.swift:24:21: warning: static property 'allEvents' is not concurrency-safe because non-'Sendable' type 'Set<LoggingEvent.SignalProducer>' may have shared mutable state; this is an error in the Swift 6 language mode
 19 | 	}
 20 |
 21 | 	public enum SignalProducer: String {
    |              `- note: consider making enum 'SignalProducer' conform to the 'Sendable' protocol
 22 | 		case starting, started, value, completed, failed, terminated, disposed, interrupted
 23 |
 24 | 		public static let allEvents: Set<SignalProducer> = [
    |                     |- warning: static property 'allEvents' is not concurrency-safe because non-'Sendable' type 'Set<LoggingEvent.SignalProducer>' may have shared mutable state; this is an error in the Swift 6 language mode
    |                     |- note: annotate 'allEvents' 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 | 			.starting, .started, .value, .completed, .failed, .terminated, .disposed, .interrupted,
 26 | 		]
[7/24] Compiling ReactiveSwift EventLogger.swift
/Users/admin/builder/spi-builder-workspace/Sources/EventLogger.swift:16:21: warning: static property 'allEvents' is not concurrency-safe because non-'Sendable' type 'Set<LoggingEvent.Signal>' may have shared mutable state; this is an error in the Swift 6 language mode
 11 | /// A namespace for logging event types.
 12 | public enum LoggingEvent {
 13 | 	public enum Signal: String {
    |              `- note: consider making enum 'Signal' conform to the 'Sendable' protocol
 14 | 		case value, completed, failed, terminated, disposed, interrupted
 15 |
 16 | 		public static let allEvents: Set<Signal> = [
    |                     |- warning: static property 'allEvents' is not concurrency-safe because non-'Sendable' type 'Set<LoggingEvent.Signal>' may have shared mutable state; this is an error in the Swift 6 language mode
    |                     |- note: annotate 'allEvents' 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
 17 | 			.value, .completed, .failed, .terminated, .disposed, .interrupted,
 18 | 		]
/Users/admin/builder/spi-builder-workspace/Sources/EventLogger.swift:24:21: warning: static property 'allEvents' is not concurrency-safe because non-'Sendable' type 'Set<LoggingEvent.SignalProducer>' may have shared mutable state; this is an error in the Swift 6 language mode
 19 | 	}
 20 |
 21 | 	public enum SignalProducer: String {
    |              `- note: consider making enum 'SignalProducer' conform to the 'Sendable' protocol
 22 | 		case starting, started, value, completed, failed, terminated, disposed, interrupted
 23 |
 24 | 		public static let allEvents: Set<SignalProducer> = [
    |                     |- warning: static property 'allEvents' is not concurrency-safe because non-'Sendable' type 'Set<LoggingEvent.SignalProducer>' may have shared mutable state; this is an error in the Swift 6 language mode
    |                     |- note: annotate 'allEvents' 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 | 			.starting, .started, .value, .completed, .failed, .terminated, .disposed, .interrupted,
 26 | 		]
[8/24] Compiling ReactiveSwift Action.swift
[9/24] Compiling ReactiveSwift Atomic.swift
[10/24] Compiling ReactiveSwift Bag.swift
[11/24] Compiling ReactiveSwift Deprecations+Removals.swift
/Users/admin/builder/spi-builder-workspace/Sources/Disposable.swift:11:29: warning: using 'class' keyword to define a class-constrained protocol is deprecated; use 'AnyObject' instead
  9 | /// Represents something that can be “disposed”, usually associated with freeing
 10 | /// resources or canceling work.
 11 | public protocol Disposable: class {
    |                             `- warning: using 'class' keyword to define a class-constrained protocol is deprecated; use 'AnyObject' instead
 12 | 	/// Whether this disposable has been disposed already.
 13 | 	var isDisposed: Bool { get }
/Users/admin/builder/spi-builder-workspace/Sources/Disposable.swift:60:13: warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'NopDisposable' may have shared mutable state; this is an error in the Swift 6 language mode
 57 |
 58 | /// A disposable that has already been disposed.
 59 | internal final class NopDisposable: Disposable {
    |                      `- note: class 'NopDisposable' does not conform to the 'Sendable' protocol
 60 | 	static let shared = NopDisposable()
    |             |- warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'NopDisposable' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'shared' 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
 61 | 	var isDisposed = true
 62 | 	func dispose() {}
[12/24] Compiling ReactiveSwift Disposable.swift
/Users/admin/builder/spi-builder-workspace/Sources/Disposable.swift:11:29: warning: using 'class' keyword to define a class-constrained protocol is deprecated; use 'AnyObject' instead
  9 | /// Represents something that can be “disposed”, usually associated with freeing
 10 | /// resources or canceling work.
 11 | public protocol Disposable: class {
    |                             `- warning: using 'class' keyword to define a class-constrained protocol is deprecated; use 'AnyObject' instead
 12 | 	/// Whether this disposable has been disposed already.
 13 | 	var isDisposed: Bool { get }
/Users/admin/builder/spi-builder-workspace/Sources/Disposable.swift:60:13: warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'NopDisposable' may have shared mutable state; this is an error in the Swift 6 language mode
 57 |
 58 | /// A disposable that has already been disposed.
 59 | internal final class NopDisposable: Disposable {
    |                      `- note: class 'NopDisposable' does not conform to the 'Sendable' protocol
 60 | 	static let shared = NopDisposable()
    |             |- warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'NopDisposable' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'shared' 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
 61 | 	var isDisposed = true
 62 | 	func dispose() {}
[13/24] Compiling ReactiveSwift Lifetime.swift
/Users/admin/builder/spi-builder-workspace/Sources/Lifetime.swift:80:20: warning: static property 'empty' is not concurrency-safe because non-'Sendable' type 'Lifetime' may have shared mutable state; this is an error in the Swift 6 language mode
  3 | /// Represents the lifetime of an object, and provides a hook to observe when
  4 | /// the object deinitializes.
  5 | public final class Lifetime {
    |                    `- note: class 'Lifetime' does not conform to the 'Sendable' protocol
  6 | 	private let disposables: CompositeDisposable
  7 |
    :
 78 |
 79 | 	/// A `Lifetime` that has already ended.
 80 | 	public static let empty: Lifetime = {
    |                    |- warning: static property 'empty' is not concurrency-safe because non-'Sendable' type 'Lifetime' may have shared mutable state; this is an error in the Swift 6 language mode
    |                    |- note: annotate 'empty' 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
 81 | 		let disposables = CompositeDisposable()
 82 | 		disposables.dispose()
[14/24] Compiling ReactiveSwift Observer.swift
/Users/admin/builder/spi-builder-workspace/Sources/Lifetime.swift:80:20: warning: static property 'empty' is not concurrency-safe because non-'Sendable' type 'Lifetime' may have shared mutable state; this is an error in the Swift 6 language mode
  3 | /// Represents the lifetime of an object, and provides a hook to observe when
  4 | /// the object deinitializes.
  5 | public final class Lifetime {
    |                    `- note: class 'Lifetime' does not conform to the 'Sendable' protocol
  6 | 	private let disposables: CompositeDisposable
  7 |
    :
 78 |
 79 | 	/// A `Lifetime` that has already ended.
 80 | 	public static let empty: Lifetime = {
    |                    |- warning: static property 'empty' is not concurrency-safe because non-'Sendable' type 'Lifetime' may have shared mutable state; this is an error in the Swift 6 language mode
    |                    |- note: annotate 'empty' 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
 81 | 		let disposables = CompositeDisposable()
 82 | 		disposables.dispose()
[15/24] Compiling ReactiveSwift Optional.swift
/Users/admin/builder/spi-builder-workspace/Sources/Property.swift:15:35: warning: using 'class' keyword to define a class-constrained protocol is deprecated; use 'AnyObject' instead
 13 | /// Only classes can conform to this protocol, because having a signal
 14 | /// for changes over time implies the origin must have a unique identity.
 15 | public protocol PropertyProtocol: class, BindingSource {
    |                                   `- warning: using 'class' keyword to define a class-constrained protocol is deprecated; use 'AnyObject' instead
 16 | 	/// The current value of the property.
 17 | 	var value: Value { get }
[16/24] Compiling ReactiveSwift Property.swift
/Users/admin/builder/spi-builder-workspace/Sources/Property.swift:15:35: warning: using 'class' keyword to define a class-constrained protocol is deprecated; use 'AnyObject' instead
 13 | /// Only classes can conform to this protocol, because having a signal
 14 | /// for changes over time implies the origin must have a unique identity.
 15 | public protocol PropertyProtocol: class, BindingSource {
    |                                   `- warning: using 'class' keyword to define a class-constrained protocol is deprecated; use 'AnyObject' instead
 16 | 	/// The current value of the property.
 17 | 	var value: Value { get }
[17/24] Compiling ReactiveSwift Scheduler.swift
/Users/admin/builder/spi-builder-workspace/Sources/Scheduler.swift:17:28: warning: using 'class' keyword to define a class-constrained protocol is deprecated; use 'AnyObject' instead
 15 |
 16 | /// Represents a serial queue of work items.
 17 | public protocol Scheduler: class {
    |                            `- warning: using 'class' keyword to define a class-constrained protocol is deprecated; use 'AnyObject' instead
 18 | 	/// Enqueues an action on the scheduler.
 19 | 	///
/Users/admin/builder/spi-builder-workspace/Sources/Scheduler.swift:93:21: warning: static property 'dispatchSpecificKey' is not concurrency-safe because non-'Sendable' type 'DispatchSpecificKey<UInt8>' may have shared mutable state; this is an error in the Swift 6 language mode
 91 | /// will always be preserved.
 92 | public final class UIScheduler: Scheduler {
 93 | 	private static let dispatchSpecificKey = DispatchSpecificKey<UInt8>()
    |                     `- warning: static property 'dispatchSpecificKey' is not concurrency-safe because non-'Sendable' type 'DispatchSpecificKey<UInt8>' may have shared mutable state; this is an error in the Swift 6 language mode
 94 | 	private static let dispatchSpecificValue = UInt8.max
 95 | 	private static var __once: () = {
Dispatch.DispatchSpecificKey:1:20: note: generic class 'DispatchSpecificKey' does not conform to the 'Sendable' protocol
1 | final public class DispatchSpecificKey<T> {
  |                    `- note: generic class 'DispatchSpecificKey' does not conform to the 'Sendable' protocol
2 |     public init()
3 |     @objc deinit
/Users/admin/builder/spi-builder-workspace/Sources/Scheduler.swift:9:1: warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'Dispatch'
  7 | //
  8 |
  9 | import Dispatch
    | `- warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'Dispatch'
 10 | import Foundation
 11 |
    :
 91 | /// will always be preserved.
 92 | public final class UIScheduler: Scheduler {
 93 | 	private static let dispatchSpecificKey = DispatchSpecificKey<UInt8>()
    |                     |- note: annotate 'dispatchSpecificKey' 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
 94 | 	private static let dispatchSpecificValue = UInt8.max
 95 | 	private static var __once: () = {
/Users/admin/builder/spi-builder-workspace/Sources/Scheduler.swift:95:21: warning: static property '__once' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
 93 | 	private static let dispatchSpecificKey = DispatchSpecificKey<UInt8>()
 94 | 	private static let dispatchSpecificValue = UInt8.max
 95 | 	private static var __once: () = {
    |                     |- warning: static property '__once' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
    |                     |- note: convert '__once' to a 'let' constant to make 'Sendable' shared state immutable
    |                     |- note: annotate '__once' 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
 96 | 			DispatchQueue.main.setSpecific(key: UIScheduler.dispatchSpecificKey,
 97 | 			                               value: dispatchSpecificValue)
/Users/admin/builder/spi-builder-workspace/Sources/Scheduler.swift:215:20: warning: static property 'main' is not concurrency-safe because non-'Sendable' type 'QueueScheduler' may have shared mutable state; this is an error in the Swift 6 language mode
206 |
207 | /// A scheduler backed by a serial GCD queue.
208 | public final class QueueScheduler: DateScheduler {
    |                    `- note: class 'QueueScheduler' does not conform to the 'Sendable' protocol
209 | 	/// A singleton `QueueScheduler` that always targets the main thread's GCD
210 | 	/// queue.
    :
213 | 	///         future date, and will always schedule asynchronously (even if
214 | 	///         already running on the main thread).
215 | 	public static let main = QueueScheduler(internalQueue: DispatchQueue.main)
    |                    |- warning: static property 'main' is not concurrency-safe because non-'Sendable' type 'QueueScheduler' may have shared mutable state; this is an error in the Swift 6 language mode
    |                    |- note: annotate 'main' 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
216 |
217 | 	public var currentDate: Date {
/Users/admin/builder/spi-builder-workspace/Sources/Scheduler.swift:151:13: warning: capture of 'self' with non-sendable type 'UIScheduler' in a `@Sendable` closure; this is an error in the Swift 6 language mode
 90 | /// scheduled, it may be run synchronously. However, ordering between actions
 91 | /// will always be preserved.
 92 | public final class UIScheduler: Scheduler {
    |                    `- note: class 'UIScheduler' does not conform to the 'Sendable' protocol
 93 | 	private static let dispatchSpecificKey = DispatchSpecificKey<UInt8>()
 94 | 	private static let dispatchSpecificValue = UInt8.max
    :
149 |
150 | 			DispatchQueue.main.async {
151 | 				defer { self.dequeue() }
    |             `- warning: capture of 'self' with non-sendable type 'UIScheduler' in a `@Sendable` closure; this is an error in the Swift 6 language mode
152 | 				guard !disposable.isDisposed else { return }
153 | 				action()
/Users/admin/builder/spi-builder-workspace/Sources/Scheduler.swift:152:12: warning: capture of 'disposable' with non-sendable type 'AnyDisposable' in a `@Sendable` closure; this is an error in the Swift 6 language mode
150 | 			DispatchQueue.main.async {
151 | 				defer { self.dequeue() }
152 | 				guard !disposable.isDisposed else { return }
    |            `- warning: capture of 'disposable' with non-sendable type 'AnyDisposable' in a `@Sendable` closure; this is an error in the Swift 6 language mode
153 | 				action()
154 | 			}
/Users/admin/builder/spi-builder-workspace/Sources/Disposable.swift:67:20: note: class 'AnyDisposable' does not conform to the 'Sendable' protocol
 65 |
 66 | /// A type-erased disposable that forwards operations to an underlying disposable.
 67 | public final class AnyDisposable: Disposable {
    |                    `- note: class 'AnyDisposable' does not conform to the 'Sendable' protocol
 68 | 	private final class ActionDisposable: Disposable {
 69 | 		let state: UnsafeAtomicState<DisposableState>
/Users/admin/builder/spi-builder-workspace/Sources/Scheduler.swift:153:5: warning: capture of 'action' with non-sendable type '() -> Void' in a `@Sendable` closure; this is an error in the Swift 6 language mode
151 | 				defer { self.dequeue() }
152 | 				guard !disposable.isDisposed else { return }
153 | 				action()
    |     |- warning: capture of 'action' with non-sendable type '() -> Void' in a `@Sendable` closure; this is an error in the Swift 6 language mode
    |     `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
154 | 			}
155 |
/Users/admin/builder/spi-builder-workspace/Sources/Scheduler.swift:151:13: warning: capture of 'self' with non-sendable type 'UIScheduler' in an isolated local function; this is an error in the Swift 6 language mode
 90 | /// scheduled, it may be run synchronously. However, ordering between actions
 91 | /// will always be preserved.
 92 | public final class UIScheduler: Scheduler {
    |                    `- note: class 'UIScheduler' does not conform to the 'Sendable' protocol
 93 | 	private static let dispatchSpecificKey = DispatchSpecificKey<UInt8>()
 94 | 	private static let dispatchSpecificValue = UInt8.max
    :
149 |
150 | 			DispatchQueue.main.async {
151 | 				defer { self.dequeue() }
    |             `- warning: capture of 'self' with non-sendable type 'UIScheduler' in an isolated local function; this is an error in the Swift 6 language mode
152 | 				guard !disposable.isDisposed else { return }
153 | 				action()
/Users/admin/builder/spi-builder-workspace/Sources/Scheduler.swift:276:8: warning: capture of 'd' with non-sendable type 'AnyDisposable' in a `@Sendable` closure; this is an error in the Swift 6 language mode
274 |
275 | 		queue.async {
276 | 			if !d.isDisposed {
    |        `- warning: capture of 'd' with non-sendable type 'AnyDisposable' in a `@Sendable` closure; this is an error in the Swift 6 language mode
277 | 				action()
278 | 			}
/Users/admin/builder/spi-builder-workspace/Sources/Disposable.swift:67:20: note: class 'AnyDisposable' does not conform to the 'Sendable' protocol
 65 |
 66 | /// A type-erased disposable that forwards operations to an underlying disposable.
 67 | public final class AnyDisposable: Disposable {
    |                    `- note: class 'AnyDisposable' does not conform to the 'Sendable' protocol
 68 | 	private final class ActionDisposable: Disposable {
 69 | 		let state: UnsafeAtomicState<DisposableState>
/Users/admin/builder/spi-builder-workspace/Sources/Scheduler.swift:277:5: warning: capture of 'action' with non-sendable type '() -> Void' in a `@Sendable` closure; this is an error in the Swift 6 language mode
275 | 		queue.async {
276 | 			if !d.isDisposed {
277 | 				action()
    |     |- warning: capture of 'action' with non-sendable type '() -> Void' in a `@Sendable` closure; this is an error in the Swift 6 language mode
    |     `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
278 | 			}
279 | 		}
/Users/admin/builder/spi-builder-workspace/Sources/Scheduler.swift:306:8: warning: capture of 'd' with non-sendable type 'AnyDisposable' in a `@Sendable` closure; this is an error in the Swift 6 language mode
304 |
305 | 		queue.asyncAfter(wallDeadline: wallTime(with: date)) {
306 | 			if !d.isDisposed {
    |        `- warning: capture of 'd' with non-sendable type 'AnyDisposable' in a `@Sendable` closure; this is an error in the Swift 6 language mode
307 | 				action()
308 | 			}
/Users/admin/builder/spi-builder-workspace/Sources/Disposable.swift:67:20: note: class 'AnyDisposable' does not conform to the 'Sendable' protocol
 65 |
 66 | /// A type-erased disposable that forwards operations to an underlying disposable.
 67 | public final class AnyDisposable: Disposable {
    |                    `- note: class 'AnyDisposable' does not conform to the 'Sendable' protocol
 68 | 	private final class ActionDisposable: Disposable {
 69 | 		let state: UnsafeAtomicState<DisposableState>
/Users/admin/builder/spi-builder-workspace/Sources/Scheduler.swift:307:5: warning: capture of 'action' with non-sendable type '() -> Void' in a `@Sendable` closure; this is an error in the Swift 6 language mode
305 | 		queue.asyncAfter(wallDeadline: wallTime(with: date)) {
306 | 			if !d.isDisposed {
307 | 				action()
    |     |- warning: capture of 'action' with non-sendable type '() -> Void' in a `@Sendable` closure; this is an error in the Swift 6 language mode
    |     `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
308 | 			}
309 | 		}
/Users/admin/builder/spi-builder-workspace/Sources/Signal.swift:418:33: warning: using 'class' keyword to define a class-constrained protocol is deprecated; use 'AnyObject' instead
 416 | }
 417 |
 418 | public protocol SignalProtocol: class {
     |                                 `- warning: using 'class' keyword to define a class-constrained protocol is deprecated; use 'AnyObject' instead
 419 | 	/// The type of values being sent by `self`.
 420 | 	associatedtype Value
/Users/admin/builder/spi-builder-workspace/Sources/Signal.swift:1637:43: warning: using 'class' keyword to define a class-constrained protocol is deprecated; use 'AnyObject' instead
1635 | }
1636 |
1637 | private protocol SignalAggregateStrategy: class {
     |                                           `- warning: using 'class' keyword to define a class-constrained protocol is deprecated; use 'AnyObject' instead
1638 | 	/// Update the latest value of the signal at `position` to be `value`.
1639 | 	///
/Users/admin/builder/spi-builder-workspace/Sources/Scheduler.swift:151:13: warning: sending 'self' risks causing data races; this is an error in the Swift 6 language mode
149 |
150 | 			DispatchQueue.main.async {
151 | 				defer { self.dequeue() }
    |             |- warning: sending 'self' risks causing data races; this is an error in the Swift 6 language mode
    |             `- note: task-isolated 'self' is captured by a main actor-isolated closure. main actor-isolated uses in closure may race against later nonisolated uses
152 | 				guard !disposable.isDisposed else { return }
153 | 				action()
/Users/admin/builder/spi-builder-workspace/Sources/Scheduler.swift:153:5: warning: sending 'action' risks causing data races; this is an error in the Swift 6 language mode
151 | 				defer { self.dequeue() }
152 | 				guard !disposable.isDisposed else { return }
153 | 				action()
    |     |- warning: sending 'action' risks causing data races; this is an error in the Swift 6 language mode
    |     `- note: task-isolated 'action' is captured by a main actor-isolated closure. main actor-isolated uses in closure may race against later nonisolated uses
154 | 			}
155 |
/Users/admin/builder/spi-builder-workspace/Sources/Scheduler.swift:152:12: warning: sending 'disposable' risks causing data races; this is an error in the Swift 6 language mode
150 | 			DispatchQueue.main.async {
151 | 				defer { self.dequeue() }
152 | 				guard !disposable.isDisposed else { return }
    |            |- warning: sending 'disposable' risks causing data races; this is an error in the Swift 6 language mode
    |            `- note: 'disposable' is captured by a main actor-isolated closure. main actor-isolated uses in closure may race against later nonisolated uses
153 | 				action()
154 | 			}
155 |
156 | 			return disposable
    |           `- note: access can happen concurrently
157 | 		}
158 | 	}
[18/24] Compiling ReactiveSwift Signal.swift
/Users/admin/builder/spi-builder-workspace/Sources/Scheduler.swift:17:28: warning: using 'class' keyword to define a class-constrained protocol is deprecated; use 'AnyObject' instead
 15 |
 16 | /// Represents a serial queue of work items.
 17 | public protocol Scheduler: class {
    |                            `- warning: using 'class' keyword to define a class-constrained protocol is deprecated; use 'AnyObject' instead
 18 | 	/// Enqueues an action on the scheduler.
 19 | 	///
/Users/admin/builder/spi-builder-workspace/Sources/Scheduler.swift:93:21: warning: static property 'dispatchSpecificKey' is not concurrency-safe because non-'Sendable' type 'DispatchSpecificKey<UInt8>' may have shared mutable state; this is an error in the Swift 6 language mode
 91 | /// will always be preserved.
 92 | public final class UIScheduler: Scheduler {
 93 | 	private static let dispatchSpecificKey = DispatchSpecificKey<UInt8>()
    |                     `- warning: static property 'dispatchSpecificKey' is not concurrency-safe because non-'Sendable' type 'DispatchSpecificKey<UInt8>' may have shared mutable state; this is an error in the Swift 6 language mode
 94 | 	private static let dispatchSpecificValue = UInt8.max
 95 | 	private static var __once: () = {
Dispatch.DispatchSpecificKey:1:20: note: generic class 'DispatchSpecificKey' does not conform to the 'Sendable' protocol
1 | final public class DispatchSpecificKey<T> {
  |                    `- note: generic class 'DispatchSpecificKey' does not conform to the 'Sendable' protocol
2 |     public init()
3 |     @objc deinit
/Users/admin/builder/spi-builder-workspace/Sources/Scheduler.swift:9:1: warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'Dispatch'
  7 | //
  8 |
  9 | import Dispatch
    | `- warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'Dispatch'
 10 | import Foundation
 11 |
    :
 91 | /// will always be preserved.
 92 | public final class UIScheduler: Scheduler {
 93 | 	private static let dispatchSpecificKey = DispatchSpecificKey<UInt8>()
    |                     |- note: annotate 'dispatchSpecificKey' 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
 94 | 	private static let dispatchSpecificValue = UInt8.max
 95 | 	private static var __once: () = {
/Users/admin/builder/spi-builder-workspace/Sources/Scheduler.swift:95:21: warning: static property '__once' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
 93 | 	private static let dispatchSpecificKey = DispatchSpecificKey<UInt8>()
 94 | 	private static let dispatchSpecificValue = UInt8.max
 95 | 	private static var __once: () = {
    |                     |- warning: static property '__once' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
    |                     |- note: convert '__once' to a 'let' constant to make 'Sendable' shared state immutable
    |                     |- note: annotate '__once' 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
 96 | 			DispatchQueue.main.setSpecific(key: UIScheduler.dispatchSpecificKey,
 97 | 			                               value: dispatchSpecificValue)
/Users/admin/builder/spi-builder-workspace/Sources/Scheduler.swift:215:20: warning: static property 'main' is not concurrency-safe because non-'Sendable' type 'QueueScheduler' may have shared mutable state; this is an error in the Swift 6 language mode
206 |
207 | /// A scheduler backed by a serial GCD queue.
208 | public final class QueueScheduler: DateScheduler {
    |                    `- note: class 'QueueScheduler' does not conform to the 'Sendable' protocol
209 | 	/// A singleton `QueueScheduler` that always targets the main thread's GCD
210 | 	/// queue.
    :
213 | 	///         future date, and will always schedule asynchronously (even if
214 | 	///         already running on the main thread).
215 | 	public static let main = QueueScheduler(internalQueue: DispatchQueue.main)
    |                    |- warning: static property 'main' is not concurrency-safe because non-'Sendable' type 'QueueScheduler' may have shared mutable state; this is an error in the Swift 6 language mode
    |                    |- note: annotate 'main' 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
216 |
217 | 	public var currentDate: Date {
/Users/admin/builder/spi-builder-workspace/Sources/Scheduler.swift:151:13: warning: capture of 'self' with non-sendable type 'UIScheduler' in a `@Sendable` closure; this is an error in the Swift 6 language mode
 90 | /// scheduled, it may be run synchronously. However, ordering between actions
 91 | /// will always be preserved.
 92 | public final class UIScheduler: Scheduler {
    |                    `- note: class 'UIScheduler' does not conform to the 'Sendable' protocol
 93 | 	private static let dispatchSpecificKey = DispatchSpecificKey<UInt8>()
 94 | 	private static let dispatchSpecificValue = UInt8.max
    :
149 |
150 | 			DispatchQueue.main.async {
151 | 				defer { self.dequeue() }
    |             `- warning: capture of 'self' with non-sendable type 'UIScheduler' in a `@Sendable` closure; this is an error in the Swift 6 language mode
152 | 				guard !disposable.isDisposed else { return }
153 | 				action()
/Users/admin/builder/spi-builder-workspace/Sources/Scheduler.swift:152:12: warning: capture of 'disposable' with non-sendable type 'AnyDisposable' in a `@Sendable` closure; this is an error in the Swift 6 language mode
150 | 			DispatchQueue.main.async {
151 | 				defer { self.dequeue() }
152 | 				guard !disposable.isDisposed else { return }
    |            `- warning: capture of 'disposable' with non-sendable type 'AnyDisposable' in a `@Sendable` closure; this is an error in the Swift 6 language mode
153 | 				action()
154 | 			}
/Users/admin/builder/spi-builder-workspace/Sources/Disposable.swift:67:20: note: class 'AnyDisposable' does not conform to the 'Sendable' protocol
 65 |
 66 | /// A type-erased disposable that forwards operations to an underlying disposable.
 67 | public final class AnyDisposable: Disposable {
    |                    `- note: class 'AnyDisposable' does not conform to the 'Sendable' protocol
 68 | 	private final class ActionDisposable: Disposable {
 69 | 		let state: UnsafeAtomicState<DisposableState>
/Users/admin/builder/spi-builder-workspace/Sources/Scheduler.swift:153:5: warning: capture of 'action' with non-sendable type '() -> Void' in a `@Sendable` closure; this is an error in the Swift 6 language mode
151 | 				defer { self.dequeue() }
152 | 				guard !disposable.isDisposed else { return }
153 | 				action()
    |     |- warning: capture of 'action' with non-sendable type '() -> Void' in a `@Sendable` closure; this is an error in the Swift 6 language mode
    |     `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
154 | 			}
155 |
/Users/admin/builder/spi-builder-workspace/Sources/Scheduler.swift:151:13: warning: capture of 'self' with non-sendable type 'UIScheduler' in an isolated local function; this is an error in the Swift 6 language mode
 90 | /// scheduled, it may be run synchronously. However, ordering between actions
 91 | /// will always be preserved.
 92 | public final class UIScheduler: Scheduler {
    |                    `- note: class 'UIScheduler' does not conform to the 'Sendable' protocol
 93 | 	private static let dispatchSpecificKey = DispatchSpecificKey<UInt8>()
 94 | 	private static let dispatchSpecificValue = UInt8.max
    :
149 |
150 | 			DispatchQueue.main.async {
151 | 				defer { self.dequeue() }
    |             `- warning: capture of 'self' with non-sendable type 'UIScheduler' in an isolated local function; this is an error in the Swift 6 language mode
152 | 				guard !disposable.isDisposed else { return }
153 | 				action()
/Users/admin/builder/spi-builder-workspace/Sources/Scheduler.swift:276:8: warning: capture of 'd' with non-sendable type 'AnyDisposable' in a `@Sendable` closure; this is an error in the Swift 6 language mode
274 |
275 | 		queue.async {
276 | 			if !d.isDisposed {
    |        `- warning: capture of 'd' with non-sendable type 'AnyDisposable' in a `@Sendable` closure; this is an error in the Swift 6 language mode
277 | 				action()
278 | 			}
/Users/admin/builder/spi-builder-workspace/Sources/Disposable.swift:67:20: note: class 'AnyDisposable' does not conform to the 'Sendable' protocol
 65 |
 66 | /// A type-erased disposable that forwards operations to an underlying disposable.
 67 | public final class AnyDisposable: Disposable {
    |                    `- note: class 'AnyDisposable' does not conform to the 'Sendable' protocol
 68 | 	private final class ActionDisposable: Disposable {
 69 | 		let state: UnsafeAtomicState<DisposableState>
/Users/admin/builder/spi-builder-workspace/Sources/Scheduler.swift:277:5: warning: capture of 'action' with non-sendable type '() -> Void' in a `@Sendable` closure; this is an error in the Swift 6 language mode
275 | 		queue.async {
276 | 			if !d.isDisposed {
277 | 				action()
    |     |- warning: capture of 'action' with non-sendable type '() -> Void' in a `@Sendable` closure; this is an error in the Swift 6 language mode
    |     `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
278 | 			}
279 | 		}
/Users/admin/builder/spi-builder-workspace/Sources/Scheduler.swift:306:8: warning: capture of 'd' with non-sendable type 'AnyDisposable' in a `@Sendable` closure; this is an error in the Swift 6 language mode
304 |
305 | 		queue.asyncAfter(wallDeadline: wallTime(with: date)) {
306 | 			if !d.isDisposed {
    |        `- warning: capture of 'd' with non-sendable type 'AnyDisposable' in a `@Sendable` closure; this is an error in the Swift 6 language mode
307 | 				action()
308 | 			}
/Users/admin/builder/spi-builder-workspace/Sources/Disposable.swift:67:20: note: class 'AnyDisposable' does not conform to the 'Sendable' protocol
 65 |
 66 | /// A type-erased disposable that forwards operations to an underlying disposable.
 67 | public final class AnyDisposable: Disposable {
    |                    `- note: class 'AnyDisposable' does not conform to the 'Sendable' protocol
 68 | 	private final class ActionDisposable: Disposable {
 69 | 		let state: UnsafeAtomicState<DisposableState>
/Users/admin/builder/spi-builder-workspace/Sources/Scheduler.swift:307:5: warning: capture of 'action' with non-sendable type '() -> Void' in a `@Sendable` closure; this is an error in the Swift 6 language mode
305 | 		queue.asyncAfter(wallDeadline: wallTime(with: date)) {
306 | 			if !d.isDisposed {
307 | 				action()
    |     |- warning: capture of 'action' with non-sendable type '() -> Void' in a `@Sendable` closure; this is an error in the Swift 6 language mode
    |     `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
308 | 			}
309 | 		}
/Users/admin/builder/spi-builder-workspace/Sources/Signal.swift:418:33: warning: using 'class' keyword to define a class-constrained protocol is deprecated; use 'AnyObject' instead
 416 | }
 417 |
 418 | public protocol SignalProtocol: class {
     |                                 `- warning: using 'class' keyword to define a class-constrained protocol is deprecated; use 'AnyObject' instead
 419 | 	/// The type of values being sent by `self`.
 420 | 	associatedtype Value
/Users/admin/builder/spi-builder-workspace/Sources/Signal.swift:1637:43: warning: using 'class' keyword to define a class-constrained protocol is deprecated; use 'AnyObject' instead
1635 | }
1636 |
1637 | private protocol SignalAggregateStrategy: class {
     |                                           `- warning: using 'class' keyword to define a class-constrained protocol is deprecated; use 'AnyObject' instead
1638 | 	/// Update the latest value of the signal at `position` to be `value`.
1639 | 	///
/Users/admin/builder/spi-builder-workspace/Sources/Scheduler.swift:151:13: warning: sending 'self' risks causing data races; this is an error in the Swift 6 language mode
149 |
150 | 			DispatchQueue.main.async {
151 | 				defer { self.dequeue() }
    |             |- warning: sending 'self' risks causing data races; this is an error in the Swift 6 language mode
    |             `- note: task-isolated 'self' is captured by a main actor-isolated closure. main actor-isolated uses in closure may race against later nonisolated uses
152 | 				guard !disposable.isDisposed else { return }
153 | 				action()
/Users/admin/builder/spi-builder-workspace/Sources/Scheduler.swift:153:5: warning: sending 'action' risks causing data races; this is an error in the Swift 6 language mode
151 | 				defer { self.dequeue() }
152 | 				guard !disposable.isDisposed else { return }
153 | 				action()
    |     |- warning: sending 'action' risks causing data races; this is an error in the Swift 6 language mode
    |     `- note: task-isolated 'action' is captured by a main actor-isolated closure. main actor-isolated uses in closure may race against later nonisolated uses
154 | 			}
155 |
/Users/admin/builder/spi-builder-workspace/Sources/Scheduler.swift:152:12: warning: sending 'disposable' risks causing data races; this is an error in the Swift 6 language mode
150 | 			DispatchQueue.main.async {
151 | 				defer { self.dequeue() }
152 | 				guard !disposable.isDisposed else { return }
    |            |- warning: sending 'disposable' risks causing data races; this is an error in the Swift 6 language mode
    |            `- note: 'disposable' is captured by a main actor-isolated closure. main actor-isolated uses in closure may race against later nonisolated uses
153 | 				action()
154 | 			}
155 |
156 | 			return disposable
    |           `- note: access can happen concurrently
157 | 		}
158 | 	}
[19/24] Compiling ReactiveSwift Reactive.swift
[20/24] Compiling ReactiveSwift ResultExtensions.swift
[21/24] Compiling ReactiveSwift Flatten.swift
/Users/admin/builder/spi-builder-workspace/Sources/Flatten.swift:34:20: warning: static property 'merge' is not concurrency-safe because non-'Sendable' type 'FlattenStrategy' may have shared mutable state; this is an error in the Swift 6 language mode
   8 |
   9 | /// Describes how a stream of inner streams should be flattened into a stream of values.
  10 | public struct FlattenStrategy {
     |               `- note: consider making struct 'FlattenStrategy' conform to the 'Sendable' protocol
  11 | 	fileprivate enum Kind {
  12 | 		case concurrent(limit: UInt)
     :
  32 | 	/// Any failure from the inner streams is propagated immediately to the flattened
  33 | 	/// stream of values.
  34 | 	public static let merge = FlattenStrategy(kind: .concurrent(limit: .max))
     |                    |- warning: static property 'merge' is not concurrency-safe because non-'Sendable' type 'FlattenStrategy' may have shared mutable state; this is an error in the Swift 6 language mode
     |                    |- note: annotate 'merge' 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
  35 |
  36 | 	/// The stream of streams is concatenated, so that only values from one inner stream
/Users/admin/builder/spi-builder-workspace/Sources/Flatten.swift:50:20: warning: static property 'concat' is not concurrency-safe because non-'Sendable' type 'FlattenStrategy' may have shared mutable state; this is an error in the Swift 6 language mode
   8 |
   9 | /// Describes how a stream of inner streams should be flattened into a stream of values.
  10 | public struct FlattenStrategy {
     |               `- note: consider making struct 'FlattenStrategy' conform to the 'Sendable' protocol
  11 | 	fileprivate enum Kind {
  12 | 		case concurrent(limit: UInt)
     :
  48 | 	/// Any failure from the inner streams is propagated immediately to the flattened
  49 | 	/// stream of values.
  50 | 	public static let concat = FlattenStrategy(kind: .concurrent(limit: 1))
     |                    |- warning: static property 'concat' is not concurrency-safe because non-'Sendable' type 'FlattenStrategy' may have shared mutable state; this is an error in the Swift 6 language mode
     |                    |- note: annotate 'concat' 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
  51 |
  52 | 	/// The stream of streams is merged with the given concurrency cap, so that any value
/Users/admin/builder/spi-builder-workspace/Sources/Flatten.swift:84:20: warning: static property 'latest' is not concurrency-safe because non-'Sendable' type 'FlattenStrategy' may have shared mutable state; this is an error in the Swift 6 language mode
   8 |
   9 | /// Describes how a stream of inner streams should be flattened into a stream of values.
  10 | public struct FlattenStrategy {
     |               `- note: consider making struct 'FlattenStrategy' conform to the 'Sendable' protocol
  11 | 	fileprivate enum Kind {
  12 | 		case concurrent(limit: UInt)
     :
  82 | 	/// Any failure from the inner streams is propagated immediately to the flattened
  83 | 	/// stream of values.
  84 | 	public static let latest = FlattenStrategy(kind: .latest)
     |                    |- warning: static property 'latest' is not concurrency-safe because non-'Sendable' type 'FlattenStrategy' may have shared mutable state; this is an error in the Swift 6 language mode
     |                    |- note: annotate 'latest' 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
  85 |
  86 | 	/// Forward only events from the first inner stream that sends an event. Any other
/Users/admin/builder/spi-builder-workspace/Sources/Flatten.swift:98:20: warning: static property 'race' is not concurrency-safe because non-'Sendable' type 'FlattenStrategy' may have shared mutable state; this is an error in the Swift 6 language mode
   8 |
   9 | /// Describes how a stream of inner streams should be flattened into a stream of values.
  10 | public struct FlattenStrategy {
     |               `- note: consider making struct 'FlattenStrategy' conform to the 'Sendable' protocol
  11 | 	fileprivate enum Kind {
  12 | 		case concurrent(limit: UInt)
     :
  96 | 	/// Any failure from the inner streams is propagated immediately to the flattened
  97 | 	/// stream of values.
  98 | 	public static let race = FlattenStrategy(kind: .race)
     |                    |- warning: static property 'race' is not concurrency-safe because non-'Sendable' type 'FlattenStrategy' may have shared mutable state; this is an error in the Swift 6 language mode
     |                    |- note: annotate 'race' 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
  99 | }
 100 |
/Users/admin/builder/spi-builder-workspace/Sources/FoundationExtensions.swift:33:5: warning: capture of 'observer' with non-sendable type 'Signal<Notification, Never>.Observer' in a `@Sendable` closure; this is an error in the Swift 6 language mode
 31 | 		return Signal { [base = self.base] observer, lifetime in
 32 | 			let notificationObserver = base.addObserver(forName: name, object: object, queue: nil) { notification in
 33 | 				observer.send(value: notification)
    |     `- warning: capture of 'observer' with non-sendable type 'Signal<Notification, Never>.Observer' in a `@Sendable` closure; this is an error in the Swift 6 language mode
 34 | 			}
 35 |
/Users/admin/builder/spi-builder-workspace/Sources/Observer.swift:12:21: note: class 'Observer' does not conform to the 'Sendable' protocol
 10 | 	/// An Observer is a simple wrapper around a function which can receive Events
 11 | 	/// (typically from a Signal).
 12 | 	public final class Observer {
    |                     `- note: class 'Observer' does not conform to the 'Sendable' protocol
 13 | 		public typealias Action = (Event) -> Void
 14 | 		private let _send: Action
/Users/admin/builder/spi-builder-workspace/Sources/FoundationExtensions.swift:67:6: warning: capture of 'observer' with non-sendable type 'Signal<(Data, URLResponse), any Error>.Observer' in a `@Sendable` closure; this is an error in the Swift 6 language mode
 65 | 			let task = base.dataTask(with: request) { data, response, error in
 66 | 				if let data = data, let response = response {
 67 | 					observer.send(value: (data, response))
    |      `- warning: capture of 'observer' with non-sendable type 'Signal<(Data, URLResponse), any Error>.Observer' in a `@Sendable` closure; this is an error in the Swift 6 language mode
 68 | 					observer.sendCompleted()
 69 | 				} else {
/Users/admin/builder/spi-builder-workspace/Sources/Observer.swift:12:21: note: class 'Observer' does not conform to the 'Sendable' protocol
 10 | 	/// An Observer is a simple wrapper around a function which can receive Events
 11 | 	/// (typically from a Signal).
 12 | 	public final class Observer {
    |                     `- note: class 'Observer' does not conform to the 'Sendable' protocol
 13 | 		public typealias Action = (Event) -> Void
 14 | 		private let _send: Action
[22/24] Compiling ReactiveSwift FoundationExtensions.swift
/Users/admin/builder/spi-builder-workspace/Sources/Flatten.swift:34:20: warning: static property 'merge' is not concurrency-safe because non-'Sendable' type 'FlattenStrategy' may have shared mutable state; this is an error in the Swift 6 language mode
   8 |
   9 | /// Describes how a stream of inner streams should be flattened into a stream of values.
  10 | public struct FlattenStrategy {
     |               `- note: consider making struct 'FlattenStrategy' conform to the 'Sendable' protocol
  11 | 	fileprivate enum Kind {
  12 | 		case concurrent(limit: UInt)
     :
  32 | 	/// Any failure from the inner streams is propagated immediately to the flattened
  33 | 	/// stream of values.
  34 | 	public static let merge = FlattenStrategy(kind: .concurrent(limit: .max))
     |                    |- warning: static property 'merge' is not concurrency-safe because non-'Sendable' type 'FlattenStrategy' may have shared mutable state; this is an error in the Swift 6 language mode
     |                    |- note: annotate 'merge' 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
  35 |
  36 | 	/// The stream of streams is concatenated, so that only values from one inner stream
/Users/admin/builder/spi-builder-workspace/Sources/Flatten.swift:50:20: warning: static property 'concat' is not concurrency-safe because non-'Sendable' type 'FlattenStrategy' may have shared mutable state; this is an error in the Swift 6 language mode
   8 |
   9 | /// Describes how a stream of inner streams should be flattened into a stream of values.
  10 | public struct FlattenStrategy {
     |               `- note: consider making struct 'FlattenStrategy' conform to the 'Sendable' protocol
  11 | 	fileprivate enum Kind {
  12 | 		case concurrent(limit: UInt)
     :
  48 | 	/// Any failure from the inner streams is propagated immediately to the flattened
  49 | 	/// stream of values.
  50 | 	public static let concat = FlattenStrategy(kind: .concurrent(limit: 1))
     |                    |- warning: static property 'concat' is not concurrency-safe because non-'Sendable' type 'FlattenStrategy' may have shared mutable state; this is an error in the Swift 6 language mode
     |                    |- note: annotate 'concat' 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
  51 |
  52 | 	/// The stream of streams is merged with the given concurrency cap, so that any value
/Users/admin/builder/spi-builder-workspace/Sources/Flatten.swift:84:20: warning: static property 'latest' is not concurrency-safe because non-'Sendable' type 'FlattenStrategy' may have shared mutable state; this is an error in the Swift 6 language mode
   8 |
   9 | /// Describes how a stream of inner streams should be flattened into a stream of values.
  10 | public struct FlattenStrategy {
     |               `- note: consider making struct 'FlattenStrategy' conform to the 'Sendable' protocol
  11 | 	fileprivate enum Kind {
  12 | 		case concurrent(limit: UInt)
     :
  82 | 	/// Any failure from the inner streams is propagated immediately to the flattened
  83 | 	/// stream of values.
  84 | 	public static let latest = FlattenStrategy(kind: .latest)
     |                    |- warning: static property 'latest' is not concurrency-safe because non-'Sendable' type 'FlattenStrategy' may have shared mutable state; this is an error in the Swift 6 language mode
     |                    |- note: annotate 'latest' 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
  85 |
  86 | 	/// Forward only events from the first inner stream that sends an event. Any other
/Users/admin/builder/spi-builder-workspace/Sources/Flatten.swift:98:20: warning: static property 'race' is not concurrency-safe because non-'Sendable' type 'FlattenStrategy' may have shared mutable state; this is an error in the Swift 6 language mode
   8 |
   9 | /// Describes how a stream of inner streams should be flattened into a stream of values.
  10 | public struct FlattenStrategy {
     |               `- note: consider making struct 'FlattenStrategy' conform to the 'Sendable' protocol
  11 | 	fileprivate enum Kind {
  12 | 		case concurrent(limit: UInt)
     :
  96 | 	/// Any failure from the inner streams is propagated immediately to the flattened
  97 | 	/// stream of values.
  98 | 	public static let race = FlattenStrategy(kind: .race)
     |                    |- warning: static property 'race' is not concurrency-safe because non-'Sendable' type 'FlattenStrategy' may have shared mutable state; this is an error in the Swift 6 language mode
     |                    |- note: annotate 'race' 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
  99 | }
 100 |
/Users/admin/builder/spi-builder-workspace/Sources/FoundationExtensions.swift:33:5: warning: capture of 'observer' with non-sendable type 'Signal<Notification, Never>.Observer' in a `@Sendable` closure; this is an error in the Swift 6 language mode
 31 | 		return Signal { [base = self.base] observer, lifetime in
 32 | 			let notificationObserver = base.addObserver(forName: name, object: object, queue: nil) { notification in
 33 | 				observer.send(value: notification)
    |     `- warning: capture of 'observer' with non-sendable type 'Signal<Notification, Never>.Observer' in a `@Sendable` closure; this is an error in the Swift 6 language mode
 34 | 			}
 35 |
/Users/admin/builder/spi-builder-workspace/Sources/Observer.swift:12:21: note: class 'Observer' does not conform to the 'Sendable' protocol
 10 | 	/// An Observer is a simple wrapper around a function which can receive Events
 11 | 	/// (typically from a Signal).
 12 | 	public final class Observer {
    |                     `- note: class 'Observer' does not conform to the 'Sendable' protocol
 13 | 		public typealias Action = (Event) -> Void
 14 | 		private let _send: Action
/Users/admin/builder/spi-builder-workspace/Sources/FoundationExtensions.swift:67:6: warning: capture of 'observer' with non-sendable type 'Signal<(Data, URLResponse), any Error>.Observer' in a `@Sendable` closure; this is an error in the Swift 6 language mode
 65 | 			let task = base.dataTask(with: request) { data, response, error in
 66 | 				if let data = data, let response = response {
 67 | 					observer.send(value: (data, response))
    |      `- warning: capture of 'observer' with non-sendable type 'Signal<(Data, URLResponse), any Error>.Observer' in a `@Sendable` closure; this is an error in the Swift 6 language mode
 68 | 					observer.sendCompleted()
 69 | 				} else {
/Users/admin/builder/spi-builder-workspace/Sources/Observer.swift:12:21: note: class 'Observer' does not conform to the 'Sendable' protocol
 10 | 	/// An Observer is a simple wrapper around a function which can receive Events
 11 | 	/// (typically from a Signal).
 12 | 	public final class Observer {
    |                     `- note: class 'Observer' does not conform to the 'Sendable' protocol
 13 | 		public typealias Action = (Event) -> Void
 14 | 		private let _send: Action
[23/24] Compiling ReactiveSwift SignalProducer.swift
/Users/admin/builder/spi-builder-workspace/Sources/SignalProducer.swift:2781:6: warning: stored property 'values' of 'Sendable'-conforming generic struct 'ReplayError' has non-sendable type '[Value]'; this is an error in the Swift 6 language mode
2777 | /// attachment to a `ReplayState`, and the observer should replay the supplied
2778 | /// values before attempting to observe again.
2779 | private struct ReplayError<Value>: Error {
     |                            `- note: consider making generic parameter 'Value' conform to the 'Sendable' protocol
2780 | 	/// The values that should be replayed by the observer.
2781 | 	let values: [Value]
     |      `- warning: stored property 'values' of 'Sendable'-conforming generic struct 'ReplayError' has non-sendable type '[Value]'; this is an error in the Swift 6 language mode
2782 | }
2783 |
/Users/admin/builder/spi-builder-workspace/Sources/Disposable.swift:60:13: warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'NopDisposable' may have shared mutable state; this is an error in the Swift 6 language mode
 57 |
 58 | /// A disposable that has already been disposed.
 59 | internal final class NopDisposable: Disposable {
    |                      `- note: class 'NopDisposable' does not conform to the 'Sendable' protocol
 60 | 	static let shared = NopDisposable()
    |             |- warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'NopDisposable' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'shared' 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
 61 | 	var isDisposed = true
 62 | 	func dispose() {}
/Users/admin/builder/spi-builder-workspace/Sources/Lifetime.swift:80:20: warning: static property 'empty' is not concurrency-safe because non-'Sendable' type 'Lifetime' may have shared mutable state; this is an error in the Swift 6 language mode
  3 | /// Represents the lifetime of an object, and provides a hook to observe when
  4 | /// the object deinitializes.
  5 | public final class Lifetime {
    |                    `- note: class 'Lifetime' does not conform to the 'Sendable' protocol
  6 | 	private let disposables: CompositeDisposable
  7 |
    :
 78 |
 79 | 	/// A `Lifetime` that has already ended.
 80 | 	public static let empty: Lifetime = {
    |                    |- warning: static property 'empty' is not concurrency-safe because non-'Sendable' type 'Lifetime' may have shared mutable state; this is an error in the Swift 6 language mode
    |                    |- note: annotate 'empty' 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
 81 | 		let disposables = CompositeDisposable()
 82 | 		disposables.dispose()
[24/24] Compiling ReactiveSwift UnidirectionalBinding.swift
/Users/admin/builder/spi-builder-workspace/Sources/SignalProducer.swift:2781:6: warning: stored property 'values' of 'Sendable'-conforming generic struct 'ReplayError' has non-sendable type '[Value]'; this is an error in the Swift 6 language mode
2777 | /// attachment to a `ReplayState`, and the observer should replay the supplied
2778 | /// values before attempting to observe again.
2779 | private struct ReplayError<Value>: Error {
     |                            `- note: consider making generic parameter 'Value' conform to the 'Sendable' protocol
2780 | 	/// The values that should be replayed by the observer.
2781 | 	let values: [Value]
     |      `- warning: stored property 'values' of 'Sendable'-conforming generic struct 'ReplayError' has non-sendable type '[Value]'; this is an error in the Swift 6 language mode
2782 | }
2783 |
/Users/admin/builder/spi-builder-workspace/Sources/Disposable.swift:60:13: warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'NopDisposable' may have shared mutable state; this is an error in the Swift 6 language mode
 57 |
 58 | /// A disposable that has already been disposed.
 59 | internal final class NopDisposable: Disposable {
    |                      `- note: class 'NopDisposable' does not conform to the 'Sendable' protocol
 60 | 	static let shared = NopDisposable()
    |             |- warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'NopDisposable' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'shared' 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
 61 | 	var isDisposed = true
 62 | 	func dispose() {}
/Users/admin/builder/spi-builder-workspace/Sources/Lifetime.swift:80:20: warning: static property 'empty' is not concurrency-safe because non-'Sendable' type 'Lifetime' may have shared mutable state; this is an error in the Swift 6 language mode
  3 | /// Represents the lifetime of an object, and provides a hook to observe when
  4 | /// the object deinitializes.
  5 | public final class Lifetime {
    |                    `- note: class 'Lifetime' does not conform to the 'Sendable' protocol
  6 | 	private let disposables: CompositeDisposable
  7 |
    :
 78 |
 79 | 	/// A `Lifetime` that has already ended.
 80 | 	public static let empty: Lifetime = {
    |                    |- warning: static property 'empty' is not concurrency-safe because non-'Sendable' type 'Lifetime' may have shared mutable state; this is an error in the Swift 6 language mode
    |                    |- note: annotate 'empty' 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
 81 | 		let disposables = CompositeDisposable()
 82 | 		disposables.dispose()
Build complete! (31.14s)
Fetching https://github.com/Quick/Nimble.git
Fetching https://github.com/Quick/Quick.git
[1/14549] Fetching quick
[14260/33189] Fetching quick, nimble
Fetched https://github.com/Quick/Quick.git from cache (3.52s)
Fetched https://github.com/Quick/Nimble.git from cache (3.52s)
Computing version for https://github.com/Quick/Nimble.git
Computed https://github.com/Quick/Nimble.git at 8.0.0 (2.59s)
Computing version for https://github.com/Quick/Quick.git
Computed https://github.com/Quick/Quick.git at 2.0.0 (0.66s)
Creating working copy for https://github.com/Quick/Nimble.git
Working copy of https://github.com/Quick/Nimble.git resolved at 8.0.0
Creating working copy for https://github.com/Quick/Quick.git
Working copy of https://github.com/Quick/Quick.git resolved at 2.0.0
Build complete.
{
  "dependencies" : [
    {
      "identity" : "quick",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "2.0.0",
            "upper_bound" : "3.0.0"
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      "type" : "sourceControl",
      "url" : "https://github.com/Quick/Quick.git"
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      "identity" : "nimble",
      "requirement" : {
        "range" : [
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      "type" : "sourceControl",
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  "manifest_display_name" : "ReactiveSwift",
  "name" : "ReactiveSwift",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "ReactiveSwift",
      "targets" : [
        "ReactiveSwift"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "swift_languages_versions" : [
    "5"
  ],
  "targets" : [
    {
      "c99name" : "ReactiveSwiftTests",
      "module_type" : "SwiftTarget",
      "name" : "ReactiveSwiftTests",
      "path" : "Tests/ReactiveSwiftTests",
      "product_dependencies" : [
        "Quick",
        "Nimble"
      ],
      "sources" : [
        "ActionSpec.swift",
        "AtomicSpec.swift",
        "BagSpec.swift",
        "DeprecationSpec.swift",
        "DisposableSpec.swift",
        "FlattenSpec.swift",
        "FoundationExtensionsSpec.swift",
        "LifetimeSpec.swift",
        "PropertySpec.swift",
        "ReactiveExtensionsSpec.swift",
        "SchedulerSpec.swift",
        "SignalLifetimeSpec.swift",
        "SignalProducerLiftingSpec.swift",
        "SignalProducerNimbleMatchers.swift",
        "SignalProducerSpec.swift",
        "SignalSpec.swift",
        "TestError.swift",
        "TestLogger.swift",
        "UnidirectionalBindingSpec.swift",
        "ValidatingPropertySpec.swift"
      ],
      "target_dependencies" : [
        "ReactiveSwift"
      ],
      "type" : "test"
    },
    {
      "c99name" : "ReactiveSwift",
      "module_type" : "SwiftTarget",
      "name" : "ReactiveSwift",
      "path" : "Sources",
      "product_memberships" : [
        "ReactiveSwift"
      ],
      "sources" : [
        "Action.swift",
        "Atomic.swift",
        "Bag.swift",
        "Deprecations+Removals.swift",
        "Disposable.swift",
        "Event.swift",
        "EventLogger.swift",
        "Flatten.swift",
        "FoundationExtensions.swift",
        "Lifetime.swift",
        "Observer.swift",
        "Optional.swift",
        "Property.swift",
        "Reactive.swift",
        "ResultExtensions.swift",
        "Scheduler.swift",
        "Signal.swift",
        "SignalProducer.swift",
        "UnidirectionalBinding.swift",
        "UninhabitedTypeGuards.swift",
        "ValidatingProperty.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.0"
}
Done.
This is a staging environment. For live and up-to-date package information, visit swiftpackageindex.com.