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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 PetriKit with Swift 6.0 for macOS (SPM).

Swift 6 data race errors: 1

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/kyouko-taiga/petrikit.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/kyouko-taiga/petrikit
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 49eefef Update the version in the readme
Cloned https://github.com/kyouko-taiga/petrikit.git
Revision (git rev-parse @):
49eefef58d070f17b0c5aeb9fd785a35b7ae97f2
SUCCESS checkout https://github.com/kyouko-taiga/petrikit.git at master
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $workDir
https://github.com/kyouko-taiga/petrikit.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
[3/9] Compiling PetriKit Marking.swift
[4/9] Emitting module PetriKit
/Users/admin/builder/spi-builder-workspace/Sources/PetriKit/PTNet.swift:25:14: warning: 'Hashable.hashValue' is deprecated as a protocol requirement; conform type 'PTPlace' to 'Hashable' by implementing 'hash(into:)' instead
 23 | extension PTPlace: Hashable {
 24 |
 25 |   public var hashValue: Int {
    |              `- warning: 'Hashable.hashValue' is deprecated as a protocol requirement; conform type 'PTPlace' to 'Hashable' by implementing 'hash(into:)' instead
 26 |     return self.name.hashValue
 27 |   }
/Users/admin/builder/spi-builder-workspace/Sources/PetriKit/Random.swift:69:21: warning: static property 'seed' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
67 |   // can run the same code under OSX and Linux.
68 |
69 |   public static var seed: UInt = 5323
   |                     |- warning: static property 'seed' 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 'seed' to a 'let' constant to make 'Sendable' shared state immutable
   |                     |- note: annotate 'seed' 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
70 |
71 |   private static func rand() -> Int {
[5/9] Compiling PetriKit PetriKit.swift
[6/9] Compiling PetriKit Group.swift
[7/9] Compiling PetriKit Random.swift
/Users/admin/builder/spi-builder-workspace/Sources/PetriKit/Random.swift:69:21: warning: static property 'seed' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
67 |   // can run the same code under OSX and Linux.
68 |
69 |   public static var seed: UInt = 5323
   |                     |- warning: static property 'seed' 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 'seed' to a 'let' constant to make 'Sendable' shared state immutable
   |                     |- note: annotate 'seed' 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
70 |
71 |   private static func rand() -> Int {
[8/9] Compiling PetriKit PTNet.swift
/Users/admin/builder/spi-builder-workspace/Sources/PetriKit/PTNet.swift:25:14: warning: 'Hashable.hashValue' is deprecated as a protocol requirement; conform type 'PTPlace' to 'Hashable' by implementing 'hash(into:)' instead
 23 | extension PTPlace: Hashable {
 24 |
 25 |   public var hashValue: Int {
    |              `- warning: 'Hashable.hashValue' is deprecated as a protocol requirement; conform type 'PTPlace' to 'Hashable' by implementing 'hash(into:)' instead
 26 |     return self.name.hashValue
 27 |   }
[9/9] Compiling PetriKit PetriNet+Dot.swift
Build complete! (16.85s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "PetriKit",
  "name" : "PetriKit",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "PetriKit",
      "targets" : [
        "PetriKit"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "PetriKitTests",
      "module_type" : "SwiftTarget",
      "name" : "PetriKitTests",
      "path" : "Tests/PetriKitTests",
      "sources" : [
        "MarkingTests.swift",
        "PTNetTests.swift",
        "RandomTests.swift"
      ],
      "target_dependencies" : [
        "PetriKit"
      ],
      "type" : "test"
    },
    {
      "c99name" : "PetriKit",
      "module_type" : "SwiftTarget",
      "name" : "PetriKit",
      "path" : "Sources/PetriKit",
      "product_memberships" : [
        "PetriKit"
      ],
      "sources" : [
        "Group.swift",
        "Marking.swift",
        "PTNet.swift",
        "PetriKit.swift",
        "PetriNet+Dot.swift",
        "Random.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "4.2"
}
Done.
This is a staging environment. For live and up-to-date package information, visit swiftpackageindex.com.