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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 CardStack, reference 0.0.6 (9b45ef), with Swift 6.0 for macOS (SPM) on 28 Nov 2024 15:52:16 UTC.

Swift 6 data race errors: 1

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.1.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures

Build Log

========================================
RunAll
========================================
Builder version: 4.58.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/dadalar/SwiftUI-CardStackView.git
Reference: 0.0.6
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/dadalar/SwiftUI-CardStackView
 * tag               0.0.6      -> FETCH_HEAD
HEAD is now at 9b45ef5 Fixed using swipe threshold from configuration
Cloned https://github.com/dadalar/SwiftUI-CardStackView.git
Revision (git rev-parse @):
9b45ef54b9e7bfbee46fe4a5982ecf449ac2b47c
SUCCESS checkout https://github.com/dadalar/SwiftUI-CardStackView.git at 0.0.6
Fetching https://github.com/pointfreeco/swift-snapshot-testing.git
[1/12447] Fetching swift-snapshot-testing
Fetched https://github.com/pointfreeco/swift-snapshot-testing.git from cache (2.52s)
Computing version for https://github.com/pointfreeco/swift-snapshot-testing.git
Computed https://github.com/pointfreeco/swift-snapshot-testing.git at 1.7.2 (0.63s)
Creating working copy for https://github.com/pointfreeco/swift-snapshot-testing.git
Working copy of https://github.com/pointfreeco/swift-snapshot-testing.git resolved at 1.7.2
========================================
ResolveProductDependencies
========================================
Resolving dependencies ...
{
  "identity": ".resolve-product-dependencies",
  "name": "resolve-dependencies",
  "url": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
  "version": "unspecified",
  "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
  "dependencies": [
    {
      "identity": "swiftui-cardstackview",
      "name": "CardStack",
      "url": "https://github.com/dadalar/SwiftUI-CardStackView.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/SwiftUI-CardStackView",
      "dependencies": [
        {
          "identity": "swift-snapshot-testing",
          "name": "swift-snapshot-testing",
          "url": "https://github.com/pointfreeco/swift-snapshot-testing.git",
          "version": "1.17.6",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-snapshot-testing",
          "dependencies": [
            {
              "identity": "swift-syntax",
              "name": "swift-syntax",
              "url": "https://github.com/swiftlang/swift-syntax",
              "version": "600.0.1",
              "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-syntax",
              "dependencies": [
              ]
            }
          ]
        }
      ]
    }
  ]
}
Fetching https://github.com/dadalar/SwiftUI-CardStackView.git
[1/172] Fetching swiftui-cardstackview
Fetched https://github.com/dadalar/SwiftUI-CardStackView.git from cache (1.40s)
Fetching https://github.com/pointfreeco/swift-snapshot-testing.git from cache
Fetched https://github.com/pointfreeco/swift-snapshot-testing.git from cache (0.62s)
Computing version for https://github.com/pointfreeco/swift-snapshot-testing.git
Computed https://github.com/pointfreeco/swift-snapshot-testing.git at 1.17.6 (0.55s)
Fetching https://github.com/swiftlang/swift-syntax
[1/66683] Fetching swift-syntax
Fetched https://github.com/swiftlang/swift-syntax from cache (3.39s)
Computing version for https://github.com/swiftlang/swift-syntax
Computed https://github.com/swiftlang/swift-syntax at 600.0.1 (0.61s)
Creating working copy for https://github.com/dadalar/SwiftUI-CardStackView.git
Working copy of https://github.com/dadalar/SwiftUI-CardStackView.git resolved at 0.0.6 (9b45ef5)
Creating working copy for https://github.com/pointfreeco/swift-snapshot-testing.git
Working copy of https://github.com/pointfreeco/swift-snapshot-testing.git resolved at 1.17.6
Creating working copy for https://github.com/swiftlang/swift-syntax
Working copy of https://github.com/swiftlang/swift-syntax resolved at 600.0.1
warning: '.resolve-product-dependencies': dependency 'swiftui-cardstackview' is not used by any target
Found 1 product dependencies
  - swift-snapshot-testing
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $PWD
https://github.com/dadalar/SwiftUI-CardStackView.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.1.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version--7754E27361AE5C74.txt
[3/7] Compiling CardStack CardView.swift
[4/7] Compiling CardStack CardStackConfiguration.swift
/Users/admin/builder/spi-builder-workspace/Sources/CardStack/CardStackConfiguration.swift:5:21: warning: static property 'defaultValue' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 3 | public struct CardStackConfiguration: EnvironmentKey {
 4 |
 5 |   public static var defaultValue = CardStackConfiguration()
   |                     |- warning: static property 'defaultValue' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
   |                     |- note: convert 'defaultValue' to a 'let' constant to make 'Sendable' shared state immutable
   |                     |- note: annotate 'defaultValue' 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 |   let maxVisibleCards: Int
[5/7] Compiling CardStack CardSwipeDirection.swift
[6/7] Compiling CardStack CardStack.swift
[7/7] Emitting module CardStack
/Users/admin/builder/spi-builder-workspace/Sources/CardStack/CardStackConfiguration.swift:5:21: warning: static property 'defaultValue' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 3 | public struct CardStackConfiguration: EnvironmentKey {
 4 |
 5 |   public static var defaultValue = CardStackConfiguration()
   |                     |- warning: static property 'defaultValue' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
   |                     |- note: convert 'defaultValue' to a 'let' constant to make 'Sendable' shared state immutable
   |                     |- note: annotate 'defaultValue' 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 |   let maxVisibleCards: Int
Build complete! (13.51s)
Build complete.
{
  "dependencies" : [
    {
      "identity" : "swift-snapshot-testing",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.7.2",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/pointfreeco/swift-snapshot-testing.git"
    }
  ],
  "manifest_display_name" : "CardStack",
  "name" : "CardStack",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "watchos",
      "version" : "6.0"
    },
    {
      "name" : "macos",
      "version" : "10.15"
    }
  ],
  "products" : [
    {
      "name" : "CardStack",
      "targets" : [
        "CardStack"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "CardStackTests",
      "module_type" : "SwiftTarget",
      "name" : "CardStackTests",
      "path" : "Tests/CardStackTests",
      "product_dependencies" : [
        "SnapshotTesting"
      ],
      "sources" : [
        "CardStackTests.swift",
        "DirectionTests.swift",
        "SnapshotTestingHelper.swift",
        "XCTestManifests.swift"
      ],
      "target_dependencies" : [
        "CardStack"
      ],
      "type" : "test"
    },
    {
      "c99name" : "CardStack",
      "module_type" : "SwiftTarget",
      "name" : "CardStack",
      "path" : "Sources/CardStack",
      "product_memberships" : [
        "CardStack"
      ],
      "sources" : [
        "CardStack.swift",
        "CardStackConfiguration.swift",
        "CardSwipeDirection.swift",
        "CardView.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.1"
}
Done.