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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 FHExtensions with Swift 6.0 for Linux.

Swift 6 data race errors: 2

Build Command

bash -c docker run --rm -v "checkouts-4609320-1":/host -w "$workDir" registry.gitlab.com/finestructure/spi-images:basic-6.0-latest swift build --triple x86_64-unknown-linux-gnu -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.40.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/FelixHerrmann/FHExtensions.git
Reference: master
Initialized empty Git repository in /host/spi-builder-workspace/.git/
hint: Using 'master' as the name for the initial branch. This default branch name
hint: is subject to change. To configure the initial branch name to use in all
hint: of your new repositories, which will suppress this warning, call:
hint:
hint: 	git config --global init.defaultBranch <name>
hint:
hint: Names commonly chosen instead of 'master' are 'main', 'trunk' and
hint: 'development'. The just-created branch can be renamed via this command:
hint:
hint: 	git branch -m <name>
From https://github.com/FelixHerrmann/FHExtensions
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 1ae77c2 fixed tvOS build step names
Cloned https://github.com/FelixHerrmann/FHExtensions.git
Revision (git rev-parse @):
1ae77c2f9c5ff4045995e137920a6328a245c4e7
SUCCESS checkout https://github.com/FelixHerrmann/FHExtensions.git at master
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.0
Building package at path:  $workDir
https://github.com/FelixHerrmann/FHExtensions.git
Running build ...
bash -c docker run --rm -v "checkouts-4609320-1":/host -w "$workDir" registry.gitlab.com/finestructure/spi-images:basic-6.0-latest swift build --triple x86_64-unknown-linux-gnu -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete 2>&1
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-24593BA9C3E375BF.txt
[3/13] Compiling FHExtensions UIColor.swift
[4/13] Compiling FHExtensions UIDevice.swift
[5/14] Compiling FHExtensions UIDirectionalPanGestureRecognizer.swift
[6/14] Compiling FHExtensions JSONEncoder.swift
/host/spi-builder-workspace/Sources/FHExtensions/Foundation/JSONEncoder.swift:7:23: warning: static property 'iso8601withFractionalSeconds' is not concurrency-safe because non-'Sendable' type 'JSONEncoder.DateEncodingStrategy' may have shared mutable state; this is an error in the Swift 6 language mode
 5 |     /// The strategy that formats dates according to the ISO 8601 and RFC 3339 standards with fractional seconds.
 6 |     @available(macOS 10.13, iOS 11.0, tvOS 11.0, *)
 7 |     public static let iso8601withFractionalSeconds = custom { date, encoder in
   |                       `- warning: static property 'iso8601withFractionalSeconds' is not concurrency-safe because non-'Sendable' type 'JSONEncoder.DateEncodingStrategy' may have shared mutable state; this is an error in the Swift 6 language mode
 8 |         let formatter = ISO8601DateFormatter()
 9 |         formatter.formatOptions = [.withFractionalSeconds, .withInternetDateTime]
Foundation.JSONEncoder:13:17: note: enum 'DateEncodingStrategy' does not conform to the 'Sendable' protocol
11 |         public typealias RawValue = UInt
12 |     }
13 |     public enum DateEncodingStrategy {
   |                 `- note: enum 'DateEncodingStrategy' does not conform to the 'Sendable' protocol
14 |         case deferredToDate
15 |         case secondsSince1970
/host/spi-builder-workspace/Sources/FHExtensions/Foundation/JSONEncoder.swift:1:1: warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'Foundation'
 1 | import Foundation
   | `- warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'Foundation'
 2 |
 3 | extension JSONEncoder.DateEncodingStrategy {
   :
 5 |     /// The strategy that formats dates according to the ISO 8601 and RFC 3339 standards with fractional seconds.
 6 |     @available(macOS 10.13, iOS 11.0, tvOS 11.0, *)
 7 |     public static let iso8601withFractionalSeconds = custom { date, encoder in
   |                       |- note: annotate 'iso8601withFractionalSeconds' 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
 8 |         let formatter = ISO8601DateFormatter()
 9 |         formatter.formatOptions = [.withFractionalSeconds, .withInternetDateTime]
[7/14] Compiling FHExtensions String.swift
[8/14] Compiling FHExtensions Array.swift
[9/14] Compiling FHExtensions Bundle.swift
[10/14] Compiling FHExtensions NSColor.swift
[11/14] Compiling FHExtensions CGRect.swift
[12/14] Emitting module FHExtensions
/host/spi-builder-workspace/Sources/FHExtensions/Foundation/JSONDecoder.swift:7:23: warning: static property 'iso8601withFractionalSeconds' is not concurrency-safe because non-'Sendable' type 'JSONDecoder.DateDecodingStrategy' may have shared mutable state; this is an error in the Swift 6 language mode
 5 |     /// The strategy that formats dates according to the ISO 8601 standard with fractional seconds.
 6 |     @available(macOS 10.13, iOS 11.0, tvOS 11.0, *)
 7 |     public static let iso8601withFractionalSeconds = custom { decoder -> Date in
   |                       `- warning: static property 'iso8601withFractionalSeconds' is not concurrency-safe because non-'Sendable' type 'JSONDecoder.DateDecodingStrategy' may have shared mutable state; this is an error in the Swift 6 language mode
 8 |         let container = try decoder.singleValueContainer()
 9 |         let dateString = try container.decode(String.self)
Foundation.JSONDecoder:2:17: note: enum 'DateDecodingStrategy' does not conform to the 'Sendable' protocol
 1 | open class JSONDecoder {
 2 |     public enum DateDecodingStrategy {
   |                 `- note: enum 'DateDecodingStrategy' does not conform to the 'Sendable' protocol
 3 |         case deferredToDate
 4 |         case secondsSince1970
/host/spi-builder-workspace/Sources/FHExtensions/Foundation/JSONDecoder.swift:1:1: warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'Foundation'
 1 | import Foundation
   | `- warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'Foundation'
 2 |
 3 | extension JSONDecoder.DateDecodingStrategy {
   :
 5 |     /// The strategy that formats dates according to the ISO 8601 standard with fractional seconds.
 6 |     @available(macOS 10.13, iOS 11.0, tvOS 11.0, *)
 7 |     public static let iso8601withFractionalSeconds = custom { decoder -> Date in
   |                       |- note: annotate 'iso8601withFractionalSeconds' 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
 8 |         let container = try decoder.singleValueContainer()
 9 |         let dateString = try container.decode(String.self)
/host/spi-builder-workspace/Sources/FHExtensions/Foundation/JSONEncoder.swift:7:23: warning: static property 'iso8601withFractionalSeconds' is not concurrency-safe because non-'Sendable' type 'JSONEncoder.DateEncodingStrategy' may have shared mutable state; this is an error in the Swift 6 language mode
 5 |     /// The strategy that formats dates according to the ISO 8601 and RFC 3339 standards with fractional seconds.
 6 |     @available(macOS 10.13, iOS 11.0, tvOS 11.0, *)
 7 |     public static let iso8601withFractionalSeconds = custom { date, encoder in
   |                       `- warning: static property 'iso8601withFractionalSeconds' is not concurrency-safe because non-'Sendable' type 'JSONEncoder.DateEncodingStrategy' may have shared mutable state; this is an error in the Swift 6 language mode
 8 |         let formatter = ISO8601DateFormatter()
 9 |         formatter.formatOptions = [.withFractionalSeconds, .withInternetDateTime]
Foundation.JSONEncoder:13:17: note: enum 'DateEncodingStrategy' does not conform to the 'Sendable' protocol
11 |         public typealias RawValue = UInt
12 |     }
13 |     public enum DateEncodingStrategy {
   |                 `- note: enum 'DateEncodingStrategy' does not conform to the 'Sendable' protocol
14 |         case deferredToDate
15 |         case secondsSince1970
/host/spi-builder-workspace/Sources/FHExtensions/Foundation/JSONEncoder.swift:1:1: warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'Foundation'
 1 | import Foundation
   | `- warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'Foundation'
 2 |
 3 | extension JSONEncoder.DateEncodingStrategy {
   :
 5 |     /// The strategy that formats dates according to the ISO 8601 and RFC 3339 standards with fractional seconds.
 6 |     @available(macOS 10.13, iOS 11.0, tvOS 11.0, *)
 7 |     public static let iso8601withFractionalSeconds = custom { date, encoder in
   |                       |- note: annotate 'iso8601withFractionalSeconds' 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
 8 |         let formatter = ISO8601DateFormatter()
 9 |         formatter.formatOptions = [.withFractionalSeconds, .withInternetDateTime]
[13/14] Compiling FHExtensions Date.swift
/host/spi-builder-workspace/Sources/FHExtensions/Foundation/JSONDecoder.swift:7:23: warning: static property 'iso8601withFractionalSeconds' is not concurrency-safe because non-'Sendable' type 'JSONDecoder.DateDecodingStrategy' may have shared mutable state; this is an error in the Swift 6 language mode
 5 |     /// The strategy that formats dates according to the ISO 8601 standard with fractional seconds.
 6 |     @available(macOS 10.13, iOS 11.0, tvOS 11.0, *)
 7 |     public static let iso8601withFractionalSeconds = custom { decoder -> Date in
   |                       `- warning: static property 'iso8601withFractionalSeconds' is not concurrency-safe because non-'Sendable' type 'JSONDecoder.DateDecodingStrategy' may have shared mutable state; this is an error in the Swift 6 language mode
 8 |         let container = try decoder.singleValueContainer()
 9 |         let dateString = try container.decode(String.self)
Foundation.JSONDecoder:2:17: note: enum 'DateDecodingStrategy' does not conform to the 'Sendable' protocol
 1 | open class JSONDecoder {
 2 |     public enum DateDecodingStrategy {
   |                 `- note: enum 'DateDecodingStrategy' does not conform to the 'Sendable' protocol
 3 |         case deferredToDate
 4 |         case secondsSince1970
/host/spi-builder-workspace/Sources/FHExtensions/Foundation/JSONDecoder.swift:1:1: warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'Foundation'
 1 | import Foundation
   | `- warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'Foundation'
 2 |
 3 | extension JSONDecoder.DateDecodingStrategy {
   :
 5 |     /// The strategy that formats dates according to the ISO 8601 standard with fractional seconds.
 6 |     @available(macOS 10.13, iOS 11.0, tvOS 11.0, *)
 7 |     public static let iso8601withFractionalSeconds = custom { decoder -> Date in
   |                       |- note: annotate 'iso8601withFractionalSeconds' 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
 8 |         let container = try decoder.singleValueContainer()
 9 |         let dateString = try container.decode(String.self)
[14/14] Compiling FHExtensions JSONDecoder.swift
/host/spi-builder-workspace/Sources/FHExtensions/Foundation/JSONDecoder.swift:7:23: warning: static property 'iso8601withFractionalSeconds' is not concurrency-safe because non-'Sendable' type 'JSONDecoder.DateDecodingStrategy' may have shared mutable state; this is an error in the Swift 6 language mode
 5 |     /// The strategy that formats dates according to the ISO 8601 standard with fractional seconds.
 6 |     @available(macOS 10.13, iOS 11.0, tvOS 11.0, *)
 7 |     public static let iso8601withFractionalSeconds = custom { decoder -> Date in
   |                       `- warning: static property 'iso8601withFractionalSeconds' is not concurrency-safe because non-'Sendable' type 'JSONDecoder.DateDecodingStrategy' may have shared mutable state; this is an error in the Swift 6 language mode
 8 |         let container = try decoder.singleValueContainer()
 9 |         let dateString = try container.decode(String.self)
Foundation.JSONDecoder:2:17: note: enum 'DateDecodingStrategy' does not conform to the 'Sendable' protocol
 1 | open class JSONDecoder {
 2 |     public enum DateDecodingStrategy {
   |                 `- note: enum 'DateDecodingStrategy' does not conform to the 'Sendable' protocol
 3 |         case deferredToDate
 4 |         case secondsSince1970
/host/spi-builder-workspace/Sources/FHExtensions/Foundation/JSONDecoder.swift:1:1: warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'Foundation'
 1 | import Foundation
   | `- warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'Foundation'
 2 |
 3 | extension JSONDecoder.DateDecodingStrategy {
   :
 5 |     /// The strategy that formats dates according to the ISO 8601 standard with fractional seconds.
 6 |     @available(macOS 10.13, iOS 11.0, tvOS 11.0, *)
 7 |     public static let iso8601withFractionalSeconds = custom { decoder -> Date in
   |                       |- note: annotate 'iso8601withFractionalSeconds' 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
 8 |         let container = try decoder.singleValueContainer()
 9 |         let dateString = try container.decode(String.self)
Build complete! (13.90s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "FHExtensions",
  "name" : "FHExtensions",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.10"
    },
    {
      "name" : "ios",
      "version" : "9.0"
    },
    {
      "name" : "tvos",
      "version" : "9.0"
    }
  ],
  "products" : [
    {
      "name" : "FHExtensions",
      "targets" : [
        "FHExtensions"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "FHExtensionsTests",
      "module_type" : "SwiftTarget",
      "name" : "FHExtensionsTests",
      "path" : "Tests/FHExtensionsTests",
      "sources" : [
        "AppKitTests.swift",
        "CoreGraphicsTests.swift",
        "FoundationTests.swift",
        "UIKitTests.swift"
      ],
      "target_dependencies" : [
        "FHExtensions"
      ],
      "type" : "test"
    },
    {
      "c99name" : "FHExtensions",
      "module_type" : "SwiftTarget",
      "name" : "FHExtensions",
      "path" : "Sources/FHExtensions",
      "product_memberships" : [
        "FHExtensions"
      ],
      "sources" : [
        "AppKit/NSColor.swift",
        "CoreGraphics/CGRect.swift",
        "Foundation/Array.swift",
        "Foundation/Bundle.swift",
        "Foundation/Date.swift",
        "Foundation/JSONDecoder.swift",
        "Foundation/JSONEncoder.swift",
        "Foundation/String.swift",
        "UIKit/UIColor.swift",
        "UIKit/UIDevice.swift",
        "UIKit/UIDirectionalPanGestureRecognizer.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.3"
}
Done.
This is a staging environment. For live and up-to-date package information, visit swiftpackageindex.com.