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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 RuntimeEnvironment, reference master (08bdec), with Swift 6.0 for macOS (SPM) on 31 Oct 2024 11:30:13 UTC.

Swift 6 data race errors: 2

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

Build Log

========================================
RunAll
========================================
Builder version: 4.56.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/Digipolitan/runtime-environment.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/Digipolitan/runtime-environment
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 08bdec5 Merge branch 'release/1.0.4'
Cloned https://github.com/Digipolitan/runtime-environment.git
Revision (git rev-parse @):
08bdec5e00a04a1c96d99f4c771fc6fa811e89ad
SUCCESS checkout https://github.com/Digipolitan/runtime-environment.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": "runtime-environment",
      "name": "RuntimeEnvironment",
      "url": "https://github.com/Digipolitan/runtime-environment.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/runtime-environment",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/Digipolitan/runtime-environment.git
[1/361] Fetching runtime-environment
Fetched https://github.com/Digipolitan/runtime-environment.git from cache (0.84s)
Creating working copy for https://github.com/Digipolitan/runtime-environment.git
Working copy of https://github.com/Digipolitan/runtime-environment.git resolved at master (08bdec5)
warning: '.resolve-product-dependencies': dependency 'runtime-environment' 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/Digipolitan/runtime-environment.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
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version--7754E27361AE5C74.txt
[3/4] Emitting module RuntimeEnvironment
/Users/admin/builder/spi-builder-workspace/Sources/RuntimeEnvironment/RuntimeEnvironment.swift:13:23: warning: static property 'defaultBundle' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
11 |     public static let infoKey = "Environment"
12 |
13 |     public static var defaultBundle: Bundle = .main
   |                       |- warning: static property 'defaultBundle' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: convert 'defaultBundle' to a 'let' constant to make 'Sendable' shared state immutable
   |                       |- note: annotate 'defaultBundle' 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
14 |
15 |     public enum Mode: String {
/Users/admin/builder/spi-builder-workspace/Sources/RuntimeEnvironment/RuntimeEnvironment.swift:26:23: warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'RuntimeEnvironment' may have shared mutable state; this is an error in the Swift 6 language mode
 7 | }
 8 |
 9 | open class RuntimeEnvironment {
   |            `- note: class 'RuntimeEnvironment' does not conform to the 'Sendable' protocol
10 |
11 |     public static let infoKey = "Environment"
   :
24 |     }
25 |
26 |     public static let shared = RuntimeEnvironment()
   |                       |- warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'RuntimeEnvironment' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'shared' 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
27 |
28 |     public let mode: Mode
[4/4] Compiling RuntimeEnvironment RuntimeEnvironment.swift
/Users/admin/builder/spi-builder-workspace/Sources/RuntimeEnvironment/RuntimeEnvironment.swift:13:23: warning: static property 'defaultBundle' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
11 |     public static let infoKey = "Environment"
12 |
13 |     public static var defaultBundle: Bundle = .main
   |                       |- warning: static property 'defaultBundle' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: convert 'defaultBundle' to a 'let' constant to make 'Sendable' shared state immutable
   |                       |- note: annotate 'defaultBundle' 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
14 |
15 |     public enum Mode: String {
/Users/admin/builder/spi-builder-workspace/Sources/RuntimeEnvironment/RuntimeEnvironment.swift:26:23: warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'RuntimeEnvironment' may have shared mutable state; this is an error in the Swift 6 language mode
 7 | }
 8 |
 9 | open class RuntimeEnvironment {
   |            `- note: class 'RuntimeEnvironment' does not conform to the 'Sendable' protocol
10 |
11 |     public static let infoKey = "Environment"
   :
24 |     }
25 |
26 |     public static let shared = RuntimeEnvironment()
   |                       |- warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'RuntimeEnvironment' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'shared' 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
27 |
28 |     public let mode: Mode
Build complete! (5.59s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "RuntimeEnvironment",
  "name" : "RuntimeEnvironment",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "RuntimeEnvironment",
      "targets" : [
        "RuntimeEnvironment"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "RuntimeEnvironmentTests",
      "module_type" : "SwiftTarget",
      "name" : "RuntimeEnvironmentTests",
      "path" : "Tests/RuntimeEnvironmentTests",
      "sources" : [
        "RuntimeEnvironmentTests.swift"
      ],
      "target_dependencies" : [
        "RuntimeEnvironment"
      ],
      "type" : "test"
    },
    {
      "c99name" : "RuntimeEnvironment",
      "module_type" : "SwiftTarget",
      "name" : "RuntimeEnvironment",
      "path" : "Sources/RuntimeEnvironment",
      "product_memberships" : [
        "RuntimeEnvironment"
      ],
      "sources" : [
        "RuntimeEnvironment.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.0"
}
Done.