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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 ReadyForSwift6Test, reference main (0969bd), with Swift 6.0 for Linux on 4 Nov 2024 21:18:39 UTC.

Swift 6 data race errors: 1

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/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/SwiftPackageIndex/ReadyForSwift6Test.git
Reference: main
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/SwiftPackageIndex/ReadyForSwift6Test
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 0969bd4 Update readme with language mode build command
Cloned https://github.com/SwiftPackageIndex/ReadyForSwift6Test.git
Revision (git rev-parse @):
0969bd4f78bb942d96b8ca1df466f296a67c808a
SUCCESS checkout https://github.com/SwiftPackageIndex/ReadyForSwift6Test.git at main
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.0
Building package at path:  $PWD
https://github.com/SwiftPackageIndex/ReadyForSwift6Test.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/host -w "$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
[3/4] Emitting module ReadyForSwift6Test
/host/spi-builder-workspace/Sources/ReadyForSwift6Test/ReadyForSwift6Test.swift:1:5: warning: var 'global' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
1 | var global = 0
  |     |- warning: var 'global' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
  |     |- note: convert 'global' to a 'let' constant to make 'Sendable' shared state immutable
  |     |- note: annotate 'global' 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
2 |
3 | func f() async {
[4/4] Compiling ReadyForSwift6Test ReadyForSwift6Test.swift
/host/spi-builder-workspace/Sources/ReadyForSwift6Test/ReadyForSwift6Test.swift:1:5: warning: var 'global' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
1 | var global = 0
  |     |- warning: var 'global' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
  |     |- note: convert 'global' to a 'let' constant to make 'Sendable' shared state immutable
  |     |- note: annotate 'global' 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
2 |
3 | func f() async {
Build complete! (4.51s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "ReadyForSwift6Test",
  "name" : "ReadyForSwift6Test",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "tvos",
      "version" : "13.0"
    },
    {
      "name" : "watchos",
      "version" : "6.0"
    }
  ],
  "products" : [
    {
      "name" : "ReadyForSwift6Test",
      "targets" : [
        "ReadyForSwift6Test"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "ReadyForSwift6Test",
      "module_type" : "SwiftTarget",
      "name" : "ReadyForSwift6Test",
      "path" : "Sources/ReadyForSwift6Test",
      "product_memberships" : [
        "ReadyForSwift6Test"
      ],
      "sources" : [
        "ReadyForSwift6Test.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.10"
}
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.