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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

Failed to build ColorCode, reference main (f261a9), with Swift 6.1 for Linux on 29 Apr 2025 17:08:29 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.61.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/1024jp/WFColorCode.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/1024jp/WFColorCode
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at f261a91 Update version number to 3.0.1
Cloned https://github.com/1024jp/WFColorCode.git
Revision (git rev-parse @):
f261a91c064cdc9ab5271e3466c9faf5d358dc7b
SUCCESS checkout https://github.com/1024jp/WFColorCode.git at main
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.1
Building package at path:  $PWD
https://github.com/1024jp/WFColorCode.git
https://github.com/1024jp/WFColorCode.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
    {
      "identity" : "swift-numerics",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.0.2",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-numerics"
    },
    {
      "identity" : "swiftlintplugins",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.57.0",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/SimplyDanny/SwiftLintPlugins"
    }
  ],
  "manifest_display_name" : "ColorCode",
  "name" : "ColorCode",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "14.0"
    }
  ],
  "products" : [
    {
      "name" : "ColorCode",
      "targets" : [
        "ColorCode"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "ColorCodeTests",
      "module_type" : "SwiftTarget",
      "name" : "ColorCodeTests",
      "path" : "Tests/ColorCodeTests",
      "product_dependencies" : [
        "Numerics",
        "SwiftLintBuildToolPlugin"
      ],
      "sources" : [
        "ColorCodeTests.swift",
        "KeywordColorTests.swift"
      ],
      "target_dependencies" : [
        "ColorCode"
      ],
      "type" : "test"
    },
    {
      "c99name" : "ColorCode",
      "module_type" : "SwiftTarget",
      "name" : "ColorCode",
      "path" : "Sources/ColorCode",
      "product_dependencies" : [
        "SwiftLintBuildToolPlugin"
      ],
      "product_memberships" : [
        "ColorCode"
      ],
      "sources" : [
        "AppKit/NSColor+ColorCode.swift",
        "AppKit/NSColor+HSL.swift",
        "ColorCode.swift",
        "HSL.swift",
        "KeywordColor.swift",
        "SwiftUI/Color+ColorCode.swift",
        "SwiftUI/Color+HSL.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.0"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/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 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
Fetching https://github.com/apple/swift-numerics
Fetching https://github.com/SimplyDanny/SwiftLintPlugins
[1/199] Fetching swiftlintplugins
[200/5873] Fetching swiftlintplugins, swift-numerics
Fetched https://github.com/SimplyDanny/SwiftLintPlugins from cache (0.21s)
[114/5674] Fetching swift-numerics
Fetched https://github.com/apple/swift-numerics from cache (0.34s)
Computing version for https://github.com/apple/swift-numerics
Computed https://github.com/apple/swift-numerics at 1.0.3 (2.23s)
Computing version for https://github.com/SimplyDanny/SwiftLintPlugins
Computed https://github.com/SimplyDanny/SwiftLintPlugins at 0.59.1 (0.45s)
Creating working copy for https://github.com/apple/swift-numerics
Working copy of https://github.com/apple/swift-numerics resolved at 1.0.3
Creating working copy for https://github.com/SimplyDanny/SwiftLintPlugins
Working copy of https://github.com/SimplyDanny/SwiftLintPlugins resolved at 0.59.1
Downloading binary artifact https://github.com/realm/SwiftLint/releases/download/0.59.1/SwiftLintBinary.artifactbundle.zip
[1369/41085097] Downloading https://github.com/realm/SwiftLint/releases/download/0.59.1/SwiftLintBinary.artifactbundle.zip
Downloaded https://github.com/realm/SwiftLint/releases/download/0.59.1/SwiftLintBinary.artifactbundle.zip (3.32s)
error: a prebuild command cannot use executables built from source, including executable target 'swiftlint'
error: build planning stopped due to build-tool plugin failures
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu 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
error: a prebuild command cannot use executables built from source, including executable target 'swiftlint'
error: build planning stopped due to build-tool plugin failures
BUILD FAILURE 6.1 linux