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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 EraCalculator, reference master (70bf57), with Swift 6.0 for macOS (SPM) on 26 Nov 2024 13:47:13 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/bannzai/eracalculator.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/bannzai/eracalculator
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 70bf575 Merge pull request #2 from yakkun/patch-1
Cloned https://github.com/bannzai/eracalculator.git
Revision (git rev-parse @):
70bf57596f4062dbbd6ba9b8538a105534055456
SUCCESS checkout https://github.com/bannzai/eracalculator.git at master
========================================
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": "eracalculator",
      "name": "EraCalculator",
      "url": "https://github.com/bannzai/eracalculator.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/eracalculator",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/bannzai/eracalculator.git
[1/146] Fetching eracalculator
Fetched https://github.com/bannzai/eracalculator.git from cache (0.65s)
Creating working copy for https://github.com/bannzai/eracalculator.git
Working copy of https://github.com/bannzai/eracalculator.git resolved at master (70bf575)
warning: '.resolve-product-dependencies': dependency 'eracalculator' is not used by any target
Found 0 product dependencies
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $PWD
https://github.com/bannzai/eracalculator.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
[3/10] Compiling EraCalculator EraType.swift
[4/10] Compiling EraCalculator EraType+Comparable.swift
[5/10] Compiling EraCalculator Const.swift
[6/10] Compiling EraCalculator EraConvertable.swift
/Users/admin/builder/spi-builder-workspace/Sources/EraCalculator/Configuration.swift:23:5: warning: var 'defaultConfiguration' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
21 | }
22 |
23 | var defaultConfiguration = Configuration()
   |     |- warning: var 'defaultConfiguration' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
   |     |- note: convert 'defaultConfiguration' to a 'let' constant to make 'Sendable' shared state immutable
   |     |- note: annotate 'defaultConfiguration' 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
24 | public func setConfiguration(_ configuration: Configuration) {
25 |     defaultConfiguration = configuration
[7/10] Compiling EraCalculator Era.swift
[8/10] Emitting module EraCalculator
/Users/admin/builder/spi-builder-workspace/Sources/EraCalculator/Configuration.swift:23:5: warning: var 'defaultConfiguration' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
21 | }
22 |
23 | var defaultConfiguration = Configuration()
   |     |- warning: var 'defaultConfiguration' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
   |     |- note: convert 'defaultConfiguration' to a 'let' constant to make 'Sendable' shared state immutable
   |     |- note: annotate 'defaultConfiguration' 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
24 | public func setConfiguration(_ configuration: Configuration) {
25 |     defaultConfiguration = configuration
[9/10] Compiling EraCalculator EraType+Date.swift
/Users/admin/builder/spi-builder-workspace/Sources/EraCalculator/Configuration.swift:23:5: warning: var 'defaultConfiguration' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
21 | }
22 |
23 | var defaultConfiguration = Configuration()
   |     |- warning: var 'defaultConfiguration' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
   |     |- note: convert 'defaultConfiguration' to a 'let' constant to make 'Sendable' shared state immutable
   |     |- note: annotate 'defaultConfiguration' 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
24 | public func setConfiguration(_ configuration: Configuration) {
25 |     defaultConfiguration = configuration
[10/10] Compiling EraCalculator Configuration.swift
/Users/admin/builder/spi-builder-workspace/Sources/EraCalculator/Configuration.swift:23:5: warning: var 'defaultConfiguration' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
21 | }
22 |
23 | var defaultConfiguration = Configuration()
   |     |- warning: var 'defaultConfiguration' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
   |     |- note: convert 'defaultConfiguration' to a 'let' constant to make 'Sendable' shared state immutable
   |     |- note: annotate 'defaultConfiguration' 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
24 | public func setConfiguration(_ configuration: Configuration) {
25 |     defaultConfiguration = configuration
Build complete! (9.92s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "EraCalculator",
  "name" : "EraCalculator",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "EraCalculator",
      "targets" : [
        "EraCalculator"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "EraCalculatorTests",
      "module_type" : "SwiftTarget",
      "name" : "EraCalculatorTests",
      "path" : "Tests/EraCalculatorTests",
      "sources" : [
        "EraTypeTest.swift"
      ],
      "target_dependencies" : [
        "EraCalculator"
      ],
      "type" : "test"
    },
    {
      "c99name" : "EraCalculator",
      "module_type" : "SwiftTarget",
      "name" : "EraCalculator",
      "path" : "Sources/EraCalculator",
      "product_memberships" : [
        "EraCalculator"
      ],
      "sources" : [
        "Configuration.swift",
        "Const.swift",
        "Era.swift",
        "EraConvertable.swift",
        "EraType+Comparable.swift",
        "EraType+Date.swift",
        "EraType.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "4.2"
}
Done.