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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 DPVersion, reference master (ea4e9a), with Swift 6.1 for Linux on 27 Apr 2025 23:40:25 UTC.

Swift 6 data race errors: 7

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu -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 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/danielepantaleone/DPVersion.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/danielepantaleone/DPVersion
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at ea4e9a7 Fix typo
Cloned https://github.com/danielepantaleone/DPVersion.git
Revision (git rev-parse @):
ea4e9a76da6eff43785aaa24024c0fe0edf34c01
SUCCESS checkout https://github.com/danielepantaleone/DPVersion.git at master
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.1
Building package at path:  $PWD
https://github.com/danielepantaleone/DPVersion.git
https://github.com/danielepantaleone/DPVersion.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
  ],
  "manifest_display_name" : "DPVersion",
  "name" : "DPVersion",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "11.0"
    }
  ],
  "products" : [
    {
      "name" : "DPVersion",
      "targets" : [
        "DPVersion"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "DPVersionTests",
      "module_type" : "SwiftTarget",
      "name" : "DPVersionTests",
      "path" : "Tests/DPVersionTests",
      "sources" : [
        "DPVersionComparableTests.swift",
        "DPVersionConstructorTests.swift",
        "DPVersionCustomStringConvertibleTests.swift",
        "DPVersionEquatableTests.swift",
        "DPVersionExpressibleByStringLiteralTests.swift"
      ],
      "target_dependencies" : [
        "DPVersion"
      ],
      "type" : "test"
    },
    {
      "c99name" : "DPVersion",
      "module_type" : "SwiftTarget",
      "name" : "DPVersion",
      "path" : "Sources/DPVersion",
      "product_memberships" : [
        "DPVersion"
      ],
      "sources" : [
        "DPVersion.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.7"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu -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 2>&1
basic-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:3bdcac04179f4ed3e5b8e9dbd6e74bbf5ebc0f4fde48bbaad7d1e5c757e65bcb
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.1-latest
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-24593BA9C3E375BF.txt
[3/4] Emitting module DPVersion
/host/spi-builder-workspace/Sources/DPVersion/DPVersion.swift:18:19: warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 16 |
 17 |     /// The major version number.
 18 |     public private (set) var major: UInt
    |                   `- warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 19 |     /// The minor version number.
 20 |     public private (set) var minor: UInt
/host/spi-builder-workspace/Sources/DPVersion/DPVersion.swift:20:19: warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 18 |     public private (set) var major: UInt
 19 |     /// The minor version number.
 20 |     public private (set) var minor: UInt
    |                   `- warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 21 |     /// The patch version number.
 22 |     public private (set) var patch: UInt
/host/spi-builder-workspace/Sources/DPVersion/DPVersion.swift:22:19: warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 20 |     public private (set) var minor: UInt
 21 |     /// The patch version number.
 22 |     public private (set) var patch: UInt
    |                   `- warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 23 |     /// The alpha version number or `0` if this version is not an alpha.
 24 |     public private (set) var alpha: UInt
/host/spi-builder-workspace/Sources/DPVersion/DPVersion.swift:24:19: warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 22 |     public private (set) var patch: UInt
 23 |     /// The alpha version number or `0` if this version is not an alpha.
 24 |     public private (set) var alpha: UInt
    |                   `- warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 25 |     /// The beta version number or `0` if this version is not a beta.
 26 |     public private (set) var beta: UInt
/host/spi-builder-workspace/Sources/DPVersion/DPVersion.swift:26:19: warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 24 |     public private (set) var alpha: UInt
 25 |     /// The beta version number or `0` if this version is not a beta.
 26 |     public private (set) var beta: UInt
    |                   `- warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 27 |     /// The development version number or `0` if this version is not a development one.
 28 |     public private (set) var dev: UInt
/host/spi-builder-workspace/Sources/DPVersion/DPVersion.swift:28:19: warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 26 |     public private (set) var beta: UInt
 27 |     /// The development version number or `0` if this version is not a development one.
 28 |     public private (set) var dev: UInt
    |                   `- warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 29 |     /// The release candidate version number or `0` if this version is not a release candidate.
 30 |     public private (set) var rc: UInt
/host/spi-builder-workspace/Sources/DPVersion/DPVersion.swift:30:19: warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 28 |     public private (set) var dev: UInt
 29 |     /// The release candidate version number or `0` if this version is not a release candidate.
 30 |     public private (set) var rc: UInt
    |                   `- warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 31 |
 32 |     // MARK: - Computed properties
[4/4] Compiling DPVersion DPVersion.swift
/host/spi-builder-workspace/Sources/DPVersion/DPVersion.swift:18:19: warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 16 |
 17 |     /// The major version number.
 18 |     public private (set) var major: UInt
    |                   `- warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 19 |     /// The minor version number.
 20 |     public private (set) var minor: UInt
/host/spi-builder-workspace/Sources/DPVersion/DPVersion.swift:20:19: warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 18 |     public private (set) var major: UInt
 19 |     /// The minor version number.
 20 |     public private (set) var minor: UInt
    |                   `- warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 21 |     /// The patch version number.
 22 |     public private (set) var patch: UInt
/host/spi-builder-workspace/Sources/DPVersion/DPVersion.swift:22:19: warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 20 |     public private (set) var minor: UInt
 21 |     /// The patch version number.
 22 |     public private (set) var patch: UInt
    |                   `- warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 23 |     /// The alpha version number or `0` if this version is not an alpha.
 24 |     public private (set) var alpha: UInt
/host/spi-builder-workspace/Sources/DPVersion/DPVersion.swift:24:19: warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 22 |     public private (set) var patch: UInt
 23 |     /// The alpha version number or `0` if this version is not an alpha.
 24 |     public private (set) var alpha: UInt
    |                   `- warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 25 |     /// The beta version number or `0` if this version is not a beta.
 26 |     public private (set) var beta: UInt
/host/spi-builder-workspace/Sources/DPVersion/DPVersion.swift:26:19: warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 24 |     public private (set) var alpha: UInt
 25 |     /// The beta version number or `0` if this version is not a beta.
 26 |     public private (set) var beta: UInt
    |                   `- warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 27 |     /// The development version number or `0` if this version is not a development one.
 28 |     public private (set) var dev: UInt
/host/spi-builder-workspace/Sources/DPVersion/DPVersion.swift:28:19: warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 26 |     public private (set) var beta: UInt
 27 |     /// The development version number or `0` if this version is not a development one.
 28 |     public private (set) var dev: UInt
    |                   `- warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 29 |     /// The release candidate version number or `0` if this version is not a release candidate.
 30 |     public private (set) var rc: UInt
/host/spi-builder-workspace/Sources/DPVersion/DPVersion.swift:30:19: warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 28 |     public private (set) var dev: UInt
 29 |     /// The release candidate version number or `0` if this version is not a release candidate.
 30 |     public private (set) var rc: UInt
    |                   `- warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
 31 |
 32 |     // MARK: - Computed properties
Build complete! (7.11s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "DPVersion",
  "name" : "DPVersion",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "11.0"
    }
  ],
  "products" : [
    {
      "name" : "DPVersion",
      "targets" : [
        "DPVersion"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "DPVersionTests",
      "module_type" : "SwiftTarget",
      "name" : "DPVersionTests",
      "path" : "Tests/DPVersionTests",
      "sources" : [
        "DPVersionComparableTests.swift",
        "DPVersionConstructorTests.swift",
        "DPVersionCustomStringConvertibleTests.swift",
        "DPVersionEquatableTests.swift",
        "DPVersionExpressibleByStringLiteralTests.swift"
      ],
      "target_dependencies" : [
        "DPVersion"
      ],
      "type" : "test"
    },
    {
      "c99name" : "DPVersion",
      "module_type" : "SwiftTarget",
      "name" : "DPVersion",
      "path" : "Sources/DPVersion",
      "product_memberships" : [
        "DPVersion"
      ],
      "sources" : [
        "DPVersion.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.7"
}
basic-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:3bdcac04179f4ed3e5b8e9dbd6e74bbf5ebc0f4fde48bbaad7d1e5c757e65bcb
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.1-latest
Done.