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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 SimpleCoders with Swift 6.0 (beta) for macOS (SPM).

Swift 6 data race errors: 3

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/dankinsoid/SimpleCoders.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/dankinsoid/SimpleCoders
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 2561ced generic
Cloned https://github.com/dankinsoid/SimpleCoders.git
Revision (git rev-parse @):
2561ced891e8cef1a47c66c9b2b39f73c4b1a2ef
SUCCESS checkout https://github.com/dankinsoid/SimpleCoders.git at main
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $workDir
https://github.com/dankinsoid/SimpleCoders.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
[3/19] Compiling SimpleCoders CheckAllKeysDecoder.swift
[4/20] Compiling SimpleCoders TypeRevisionEncoder.swift
/Users/admin/builder/spi-builder-workspace/Sources/SimpleCoders/TypeRevision/CodableTypes.swift:5:23: warning: static property 'any' is not concurrency-safe because non-'Sendable' type 'TypeInfo' may have shared mutable state; this is an error in the Swift 6 language mode
  1 | import Foundation
  2 |
  3 | public struct TypeInfo {
    |               `- note: consider making struct 'TypeInfo' conform to the 'Sendable' protocol
  4 |
  5 |     public static let any = TypeInfo(type: Any.self, container: .single(.null))
    |                       |- warning: static property 'any' is not concurrency-safe because non-'Sendable' type 'TypeInfo' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'any' 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
  6 |
  7 |     public var type: Any.Type
[5/20] Compiling SimpleCoders StringKey.swift
/Users/admin/builder/spi-builder-workspace/Sources/SimpleCoders/StringKey.swift:7:16: warning: stored property 'value' of 'Sendable'-conforming generic struct 'StringKey' has non-sendable type 'Value'; this is an error in the Swift 6 language mode
 1 | import Foundation
 2 |
 3 | public struct StringKey<Value: LosslessStringConvertible>: CodingKey {
   |                         `- note: consider making generic parameter 'Value' conform to the 'Sendable' protocol
 4 |
 5 |     public var stringValue: String { value.description }
 6 |     public var intValue: Int? { Int(value.description) }
 7 |     public var value: Value
   |                `- warning: stored property 'value' of 'Sendable'-conforming generic struct 'StringKey' has non-sendable type 'Value'; this is an error in the Swift 6 language mode
 8 |
 9 |     public init?(stringValue: String) {
/Users/admin/builder/spi-builder-workspace/Sources/SimpleCoders/TypeRevision/CodableTypes.swift:5:23: warning: static property 'any' is not concurrency-safe because non-'Sendable' type 'TypeInfo' may have shared mutable state; this is an error in the Swift 6 language mode
  1 | import Foundation
  2 |
  3 | public struct TypeInfo {
    |               `- note: consider making struct 'TypeInfo' conform to the 'Sendable' protocol
  4 |
  5 |     public static let any = TypeInfo(type: Any.self, container: .single(.null))
    |                       |- warning: static property 'any' is not concurrency-safe because non-'Sendable' type 'TypeInfo' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'any' 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
  6 |
  7 |     public var type: Any.Type
[6/20] Compiling SimpleCoders CodableTypes.swift
/Users/admin/builder/spi-builder-workspace/Sources/SimpleCoders/StringKey.swift:7:16: warning: stored property 'value' of 'Sendable'-conforming generic struct 'StringKey' has non-sendable type 'Value'; this is an error in the Swift 6 language mode
 1 | import Foundation
 2 |
 3 | public struct StringKey<Value: LosslessStringConvertible>: CodingKey {
   |                         `- note: consider making generic parameter 'Value' conform to the 'Sendable' protocol
 4 |
 5 |     public var stringValue: String { value.description }
 6 |     public var intValue: Int? { Int(value.description) }
 7 |     public var value: Value
   |                `- warning: stored property 'value' of 'Sendable'-conforming generic struct 'StringKey' has non-sendable type 'Value'; this is an error in the Swift 6 language mode
 8 |
 9 |     public init?(stringValue: String) {
/Users/admin/builder/spi-builder-workspace/Sources/SimpleCoders/TypeRevision/CodableTypes.swift:5:23: warning: static property 'any' is not concurrency-safe because non-'Sendable' type 'TypeInfo' may have shared mutable state; this is an error in the Swift 6 language mode
  1 | import Foundation
  2 |
  3 | public struct TypeInfo {
    |               `- note: consider making struct 'TypeInfo' conform to the 'Sendable' protocol
  4 |
  5 |     public static let any = TypeInfo(type: Any.self, container: .single(.null))
    |                       |- warning: static property 'any' is not concurrency-safe because non-'Sendable' type 'TypeInfo' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'any' 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
  6 |
  7 |     public var type: Any.Type
[7/20] Compiling SimpleCoders TypeRevision.swift
/Users/admin/builder/spi-builder-workspace/Sources/SimpleCoders/TypeRevision/CodableTypes.swift:5:23: warning: static property 'any' is not concurrency-safe because non-'Sendable' type 'TypeInfo' may have shared mutable state; this is an error in the Swift 6 language mode
  1 | import Foundation
  2 |
  3 | public struct TypeInfo {
    |               `- note: consider making struct 'TypeInfo' conform to the 'Sendable' protocol
  4 |
  5 |     public static let any = TypeInfo(type: Any.self, container: .single(.null))
    |                       |- warning: static property 'any' is not concurrency-safe because non-'Sendable' type 'TypeInfo' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'any' 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
  6 |
  7 |     public var type: Any.Type
[8/20] Compiling SimpleCoders TypeRevisionDecoder.swift
/Users/admin/builder/spi-builder-workspace/Sources/SimpleCoders/TypeRevision/CodableTypes.swift:5:23: warning: static property 'any' is not concurrency-safe because non-'Sendable' type 'TypeInfo' may have shared mutable state; this is an error in the Swift 6 language mode
  1 | import Foundation
  2 |
  3 | public struct TypeInfo {
    |               `- note: consider making struct 'TypeInfo' conform to the 'Sendable' protocol
  4 |
  5 |     public static let any = TypeInfo(type: Any.self, container: .single(.null))
    |                       |- warning: static property 'any' is not concurrency-safe because non-'Sendable' type 'TypeInfo' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'any' 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
  6 |
  7 |     public var type: Any.Type
[9/20] Compiling SimpleCoders Ref.swift
[10/20] Compiling SimpleCoders StringConvertibleHintProvider.swift
[11/20] Compiling SimpleCoders PlainCodingKey.swift
[12/20] Compiling SimpleCoders KeyCodingStrategies.swift
[13/20] Compiling SimpleCoders CodingStrategy.swift
[14/20] Compiling SimpleCoders IntKey.swift
[15/20] Compiling SimpleCoders OrderedDictionary.swift
[16/20] Compiling SimpleCoders CodableProtocols.swift
/Users/admin/builder/spi-builder-workspace/Sources/SimpleCoders/CodingStrategies/DateCodingStrategies.swift:242:13: warning: let '_iso8601Formatter' is not concurrency-safe because non-'Sendable' type 'ISO8601DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
240 |
241 | @available(macOS 10.12, iOS 10.0, watchOS 3.0, tvOS 10.0, *)
242 | private let _iso8601Formatter: ISO8601DateFormatter = {
    |             |- warning: let '_iso8601Formatter' is not concurrency-safe because non-'Sendable' type 'ISO8601DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate '_iso8601Formatter' 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
243 |     let formatter = ISO8601DateFormatter()
244 |     formatter.formatOptions = .withInternetDateTime
Foundation.ISO8601DateFormatter:2:12: note: class 'ISO8601DateFormatter' does not conform to the 'Sendable' protocol
 1 | @available(macOS 10.12, *)
 2 | open class ISO8601DateFormatter : Formatter, NSSecureCoding {
   |            `- note: class 'ISO8601DateFormatter' does not conform to the 'Sendable' protocol
 3 |     open var timeZone: TimeZone! { get set }
 4 |     open var formatOptions: ISO8601DateFormatter.Options { get set }
[17/20] Compiling SimpleCoders DateCodingStrategies.swift
/Users/admin/builder/spi-builder-workspace/Sources/SimpleCoders/CodingStrategies/DateCodingStrategies.swift:242:13: warning: let '_iso8601Formatter' is not concurrency-safe because non-'Sendable' type 'ISO8601DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
240 |
241 | @available(macOS 10.12, iOS 10.0, watchOS 3.0, tvOS 10.0, *)
242 | private let _iso8601Formatter: ISO8601DateFormatter = {
    |             |- warning: let '_iso8601Formatter' is not concurrency-safe because non-'Sendable' type 'ISO8601DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate '_iso8601Formatter' 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
243 |     let formatter = ISO8601DateFormatter()
244 |     formatter.formatOptions = .withInternetDateTime
Foundation.ISO8601DateFormatter:2:12: note: class 'ISO8601DateFormatter' does not conform to the 'Sendable' protocol
 1 | @available(macOS 10.12, *)
 2 | open class ISO8601DateFormatter : Formatter, NSSecureCoding {
   |            `- note: class 'ISO8601DateFormatter' does not conform to the 'Sendable' protocol
 3 |     open var timeZone: TimeZone! { get set }
 4 |     open var formatOptions: ISO8601DateFormatter.Options { get set }
[18/20] Emitting module SimpleCoders
/Users/admin/builder/spi-builder-workspace/Sources/SimpleCoders/CodingStrategies/DateCodingStrategies.swift:242:13: warning: let '_iso8601Formatter' is not concurrency-safe because non-'Sendable' type 'ISO8601DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
240 |
241 | @available(macOS 10.12, iOS 10.0, watchOS 3.0, tvOS 10.0, *)
242 | private let _iso8601Formatter: ISO8601DateFormatter = {
    |             |- warning: let '_iso8601Formatter' is not concurrency-safe because non-'Sendable' type 'ISO8601DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate '_iso8601Formatter' 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
243 |     let formatter = ISO8601DateFormatter()
244 |     formatter.formatOptions = .withInternetDateTime
Foundation.ISO8601DateFormatter:2:12: note: class 'ISO8601DateFormatter' does not conform to the 'Sendable' protocol
 1 | @available(macOS 10.12, *)
 2 | open class ISO8601DateFormatter : Formatter, NSSecureCoding {
   |            `- note: class 'ISO8601DateFormatter' does not conform to the 'Sendable' protocol
 3 |     open var timeZone: TimeZone! { get set }
 4 |     open var formatOptions: ISO8601DateFormatter.Options { get set }
/Users/admin/builder/spi-builder-workspace/Sources/SimpleCoders/StringKey.swift:7:16: warning: stored property 'value' of 'Sendable'-conforming generic struct 'StringKey' has non-sendable type 'Value'; this is an error in the Swift 6 language mode
 1 | import Foundation
 2 |
 3 | public struct StringKey<Value: LosslessStringConvertible>: CodingKey {
   |                         `- note: consider making generic parameter 'Value' conform to the 'Sendable' protocol
 4 |
 5 |     public var stringValue: String { value.description }
 6 |     public var intValue: Int? { Int(value.description) }
 7 |     public var value: Value
   |                `- warning: stored property 'value' of 'Sendable'-conforming generic struct 'StringKey' has non-sendable type 'Value'; this is an error in the Swift 6 language mode
 8 |
 9 |     public init?(stringValue: String) {
/Users/admin/builder/spi-builder-workspace/Sources/SimpleCoders/TypeRevision/CodableTypes.swift:5:23: warning: static property 'any' is not concurrency-safe because non-'Sendable' type 'TypeInfo' may have shared mutable state; this is an error in the Swift 6 language mode
  1 | import Foundation
  2 |
  3 | public struct TypeInfo {
    |               `- note: consider making struct 'TypeInfo' conform to the 'Sendable' protocol
  4 |
  5 |     public static let any = TypeInfo(type: Any.self, container: .single(.null))
    |                       |- warning: static property 'any' is not concurrency-safe because non-'Sendable' type 'TypeInfo' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'any' 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
  6 |
  7 |     public var type: Any.Type
[19/20] Compiling SimpleCoders DecodingUnboxer.swift
[20/20] Compiling SimpleCoders EncodingBoxer.swift
Build complete! (22.48s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "SimpleCoders",
  "name" : "SimpleCoders",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "SimpleCoders",
      "targets" : [
        "SimpleCoders"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SimpleCoders",
      "module_type" : "SwiftTarget",
      "name" : "SimpleCoders",
      "path" : "Sources/SimpleCoders",
      "product_memberships" : [
        "SimpleCoders"
      ],
      "sources" : [
        "CodableProtocols.swift",
        "CodingStrategies/DateCodingStrategies.swift",
        "CodingStrategies/KeyCodingStrategies.swift",
        "CodingStrategy.swift",
        "DecodingUnboxer.swift",
        "EncodingBoxer.swift",
        "IntKey.swift",
        "OrderedDictionary/OrderedDictionary.swift",
        "OrderedDictionary/StringConvertibleHintProvider.swift",
        "PlainCodingKey.swift",
        "StringKey.swift",
        "TypeRevision/CodableTypes.swift",
        "TypeRevision/TypeRevision.swift",
        "TypeRevision/TypeRevisionDecoder.swift",
        "TypeRevision/TypeRevisionEncoder.swift",
        "Utils/CheckAllKeysDecoder.swift",
        "Utils/Ref.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.7"
}
Done.
This is a staging environment. For live and up-to-date package information, visit swiftpackageindex.com.