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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 Tuxedo, reference master (a25b26), with Swift 6.1 for macOS (Xcode) using Xcode 16.3 on 24 Apr 2025 14:23:19 UTC.

Build Command

No build command. This typically means the build failed at an early stage where we determine the build command.

Build Log

========================================
RunAll
========================================
Builder version: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/tevelee/Tuxedo.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/tevelee/Tuxedo
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at a25b263 Merge pull request #13 from tevelee/dependabot/npm_and_yarn/website/bl-1.2.3
Cloned https://github.com/tevelee/Tuxedo.git
Revision (git rev-parse @):
a25b263e76b5a39189d93ce4226a81db066091a7
SUCCESS checkout https://github.com/tevelee/Tuxedo.git at master
========================================
Build
========================================
Selected platform:         macosXcodebuild
Swift version:             6.1
Building package at path:  $PWD
https://github.com/tevelee/Tuxedo.git
https://github.com/tevelee/Tuxedo.git
{
  "dependencies" : [
    {
      "identity" : "eval",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.5.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/tevelee/Eval"
    }
  ],
  "manifest_display_name" : "Tuxedo",
  "name" : "Tuxedo",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Tuxedo",
      "targets" : [
        "Tuxedo"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "TuxedoTests",
      "module_type" : "SwiftTarget",
      "name" : "TuxedoTests",
      "path" : "Tests/TuxedoTests",
      "sources" : [
        "TuxedoComponentTests.swift",
        "TuxedoUnitTests.swift"
      ],
      "target_dependencies" : [
        "Tuxedo"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Tuxedo",
      "module_type" : "SwiftTarget",
      "name" : "Tuxedo",
      "path" : "Sources/Tuxedo",
      "product_dependencies" : [
        "Eval"
      ],
      "product_memberships" : [
        "Tuxedo"
      ],
      "sources" : [
        "ContextExtensions.swift",
        "Generator.swift",
        "StandardLibrary.swift",
        "StandardLibrary_DataTypes.swift",
        "StandardLibrary_Functions.swift",
        "StandardLibrary_Tags.swift",
        "Tuxedo.swift",
        "Utils.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.0"
}
Command line invocation:
    /Applications/Xcode-16.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Fetching from https://github.com/xcodeswift/xcproj.git
Fetching from https://github.com/JohnSundell/ShellOut.git
Fetching from https://github.com/kylef/PathKit.git
Fetching from https://github.com/tadija/AEXML.git
Fetching from https://github.com/kylef/Spectre.git
Creating working copy of package ‘Spectre’
Checking out 0.9.2 of package ‘Spectre’
Creating working copy of package ‘ShellOut’
Checking out 2.3.0 of package ‘ShellOut’
Creating working copy of package ‘PathKit’
Checking out 0.9.2 of package ‘PathKit’
Creating working copy of package ‘xcproj’
Checking out 4.3.1 of package ‘xcproj’
Creating working copy of package ‘AEXML’
Checking out 4.7.0 of package ‘AEXML’
The target named 'Automation' was identified as an executable target but a non-executable product with this name already exists.Library product “Automation” contains a target of type executable (“Automation”). Library products may not include executable targets.
Resolved source packages:
  Scripts: (null)
2025-04-24 07:23:18.228 xcodebuild[518:2878] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2025-24-04_07-23-0018.xcresult
xcodebuild: error: Could not resolve package dependencies:
  Library product “Automation” contains a target of type executable (“Automation”). Library products may not include executable targets.
Command line invocation:
    /Applications/Xcode-16.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
The target named 'Automation' was identified as an executable target but a non-executable product with this name already exists.Library product “Automation” contains a target of type executable (“Automation”). Library products may not include executable targets.
Resolved source packages:
  Scripts: (null)
2025-04-24 07:23:19.071 xcodebuild[846:4456] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2025-24-04_07-23-0019.xcresult
xcodebuild: error: Could not resolve package dependencies:
  Library product “Automation” contains a target of type executable (“Automation”). Library products may not include executable targets.
BUILD FAILURE 6.1 macosXcodebuild