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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 Spectre, reference master (26cc5e), with Swift 6.0 for Linux on 1 Nov 2024 20:39:19 UTC.

Swift 6 data race errors: 1

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4609320-2":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.0-latest swift build --triple x86_64-unknown-linux-gnu -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.56.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/kylef/spectre.git
Reference: master
Initialized empty Git repository in /host/spi-builder-workspace/.git/
hint: Using 'master' as the name for the initial branch. This default branch name
hint: is subject to change. To configure the initial branch name to use in all
hint: of your new repositories, which will suppress this warning, call:
hint:
hint: 	git config --global init.defaultBranch <name>
hint:
hint: Names commonly chosen instead of 'master' are 'main', 'trunk' and
hint: 'development'. The just-created branch can be renamed via this command:
hint:
hint: 	git branch -m <name>
From https://github.com/kylef/spectre
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 26cc5e9 release: 0.10.1
Cloned https://github.com/kylef/spectre.git
Revision (git rev-parse @):
26cc5e9ae0947092c7139ef7ba612e34646086c7
SUCCESS checkout https://github.com/kylef/spectre.git at master
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.0
Building package at path:  $PWD
https://github.com/kylef/spectre.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-2":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.0-latest swift build --triple x86_64-unknown-linux-gnu -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete 2>&1
basic-6.0-latest: Pulling from finestructure/spi-images
Digest: sha256:47d26c99ca4f1ac0a332c85fd5b13ff4390e72115219984a57a68fe9d1063a05
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.0-latest
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-24593BA9C3E375BF.txt
[3/12] Compiling Spectre Reporter.swift
[4/13] Compiling Spectre GlobalContext.swift
[5/13] Compiling Spectre Path.swift
[6/13] Compiling Spectre Reporters.swift
[7/13] Compiling Spectre Expectation.swift
[8/13] Compiling Spectre Failure.swift
[9/13] Compiling Spectre Case.swift
[10/13] Compiling Spectre Context.swift
[11/13] Emitting module Spectre
/host/spi-builder-workspace/Sources/Spectre/Global.swift:12:5: warning: let 'globalContext' is not concurrency-safe because non-'Sendable' type 'GlobalContext' may have shared mutable state; this is an error in the Swift 6 language mode
 10 |
 11 |
 12 | let globalContext: GlobalContext = {
    |     |- warning: let 'globalContext' is not concurrency-safe because non-'Sendable' type 'GlobalContext' may have shared mutable state; this is an error in the Swift 6 language mode
    |     |- note: annotate 'globalContext' 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
 13 | #if os(macOS)
 14 |   if getenv("XCTestConfigurationFilePath") != nil {
/host/spi-builder-workspace/Sources/Spectre/GlobalContext.swift:1:7: note: class 'GlobalContext' does not conform to the 'Sendable' protocol
 1 | class GlobalContext {
   |       `- note: class 'GlobalContext' does not conform to the 'Sendable' protocol
 2 |   var cases = [CaseType]()
 3 |
[12/13] Compiling Spectre Global.swift
/host/spi-builder-workspace/Sources/Spectre/Global.swift:12:5: warning: let 'globalContext' is not concurrency-safe because non-'Sendable' type 'GlobalContext' may have shared mutable state; this is an error in the Swift 6 language mode
 10 |
 11 |
 12 | let globalContext: GlobalContext = {
    |     |- warning: let 'globalContext' is not concurrency-safe because non-'Sendable' type 'GlobalContext' may have shared mutable state; this is an error in the Swift 6 language mode
    |     |- note: annotate 'globalContext' 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
 13 | #if os(macOS)
 14 |   if getenv("XCTestConfigurationFilePath") != nil {
/host/spi-builder-workspace/Sources/Spectre/GlobalContext.swift:1:7: note: class 'GlobalContext' does not conform to the 'Sendable' protocol
 1 | class GlobalContext {
   |       `- note: class 'GlobalContext' does not conform to the 'Sendable' protocol
 2 |   var cases = [CaseType]()
 3 |
[13/13] Compiling Spectre XCTest.swift
Build complete! (10.69s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Spectre",
  "name" : "Spectre",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Spectre",
      "targets" : [
        "Spectre"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "swift_languages_versions" : [
    "5"
  ],
  "targets" : [
    {
      "c99name" : "SpectreTests",
      "module_type" : "SwiftTarget",
      "name" : "SpectreTests",
      "path" : "Tests/SpectreTests",
      "sources" : [
        "ExpectationSpec.swift",
        "FailureSpec.swift",
        "XCTest.swift"
      ],
      "target_dependencies" : [
        "Spectre"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Spectre",
      "module_type" : "SwiftTarget",
      "name" : "Spectre",
      "path" : "Sources/Spectre",
      "product_memberships" : [
        "Spectre"
      ],
      "sources" : [
        "Case.swift",
        "Context.swift",
        "Expectation.swift",
        "Failure.swift",
        "Global.swift",
        "GlobalContext.swift",
        "Path.swift",
        "Reporter.swift",
        "Reporters.swift",
        "XCTest.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.0"
}
basic-6.0-latest: Pulling from finestructure/spi-images
Digest: sha256:47d26c99ca4f1ac0a332c85fd5b13ff4390e72115219984a57a68fe9d1063a05
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.0-latest
Done.