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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 AECli with Swift 6.0 for Linux.

Swift 6 data race errors: 0

Build Command

bash -c docker run --rm -v "checkouts-4606859-0":/host -w "$workDir" 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: 4.40.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/tadija/AECli.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/tadija/AECli
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 07b34d9 WIP
Cloned https://github.com/tadija/AECli.git
Revision (git rev-parse @):
07b34d9f01abd15b351d7168491593506905fff4
SUCCESS checkout https://github.com/tadija/AECli.git at master
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.0
Building package at path:  $workDir
https://github.com/tadija/AECli.git
Running build ...
bash -c docker run --rm -v "checkouts-4606859-0":/host -w "$workDir" 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
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-24593BA9C3E375BF.txt
[3/4] Emitting module AECli
/host/spi-builder-workspace/Sources/AECli/Cli.swift:147:1: warning: extension declares a conformance of imported type 'String' to imported protocols 'Error', 'LocalizedError'; this will not behave correctly if the owners of 'Swift' introduce this conformance in the future
145 | // MARK: - Helpers
146 |
147 | extension String: Error, LocalizedError {
    | |- warning: extension declares a conformance of imported type 'String' to imported protocols 'Error', 'LocalizedError'; this will not behave correctly if the owners of 'Swift' introduce this conformance in the future
    | `- note: add '@retroactive' to silence this warning
148 |     public var errorDescription: String? {
149 |         self
[4/4] Compiling AECli Cli.swift
/host/spi-builder-workspace/Sources/AECli/Cli.swift:147:1: warning: extension declares a conformance of imported type 'String' to imported protocols 'Error', 'LocalizedError'; this will not behave correctly if the owners of 'Swift' introduce this conformance in the future
145 | // MARK: - Helpers
146 |
147 | extension String: Error, LocalizedError {
    | |- warning: extension declares a conformance of imported type 'String' to imported protocols 'Error', 'LocalizedError'; this will not behave correctly if the owners of 'Swift' introduce this conformance in the future
    | `- note: add '@retroactive' to silence this warning
148 |     public var errorDescription: String? {
149 |         self
/host/spi-builder-workspace/Sources/AECli/Cli.swift:63:50: warning: reference to var 'stderr' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
 61 |
 62 |     func error(_ error: Error) {
 63 |         fputs("\(error.localizedDescription)\n", stderr)
    |                                                  `- warning: reference to var 'stderr' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
 64 |     }
 65 |
SwiftGlibc.stderr:1:12: note: var declared here
1 | public var stderr: UnsafeMutablePointer<FILE>!
  |            `- note: var declared here
Build complete! (8.41s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "AECli",
  "name" : "AECli",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "AECli",
      "targets" : [
        "AECli"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "AECliTests",
      "module_type" : "SwiftTarget",
      "name" : "AECliTests",
      "path" : "Tests/AECliTests",
      "sources" : [
        "CliTests.swift",
        "XCTestManifests.swift"
      ],
      "target_dependencies" : [
        "AECli"
      ],
      "type" : "test"
    },
    {
      "c99name" : "AECli",
      "module_type" : "SwiftTarget",
      "name" : "AECli",
      "path" : "Sources/AECli",
      "product_memberships" : [
        "AECli"
      ],
      "sources" : [
        "Cli.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.1"
}
Done.
This is a staging environment. For live and up-to-date package information, visit swiftpackageindex.com.