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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 0.0.1 (7b34f3), with Swift 6.0 for macOS (SPM) on 26 Nov 2024 13:47:21 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: 0.0.1
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/bannzai/eracalculator
 * tag               0.0.1      -> FETCH_HEAD
HEAD is now at 7b34f33 :memo: Update README
Cloned https://github.com/bannzai/eracalculator.git
Revision (git rev-parse @):
7b34f331cb3d01b27d9773a8d1e5c5fba97f5a53
SUCCESS checkout https://github.com/bannzai/eracalculator.git at 0.0.1
========================================
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 0.0.1 (7b34f33)
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
[3/9] Compiling EraCalculator EraType+Convert.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
[4/9] 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
[5/9] Compiling EraCalculator Const.swift
[6/9] 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
[7/9] Compiling EraCalculator EraType.swift
[8/9] 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
[9/9] Compiling EraCalculator EraType+Comparable.swift
Build complete! (8.41s)
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",
        "EraType+Comparable.swift",
        "EraType+Convert.swift",
        "EraType+Date.swift",
        "EraType.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "4.2"
}
Done.