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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 Captain, reference 0.2.0 (db958c), with Swift 6.1 for Linux on 26 Apr 2025 09:11:32 UTC.

Swift 6 data race errors: 0

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/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/yanamura/captain.git
Reference: 0.2.0
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/yanamura/captain
 * tag               0.2.0      -> FETCH_HEAD
HEAD is now at db958c1 Merge pull request #6 from yanamura/swift5.2
Cloned https://github.com/yanamura/captain.git
Revision (git rev-parse @):
db958c1fd88c89dd7ef896003816f4761b03bdf0
SUCCESS checkout https://github.com/yanamura/captain.git at 0.2.0
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.1
Building package at path:  $PWD
https://github.com/yanamura/captain.git
https://github.com/yanamura/captain.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
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  "dependencies" : [
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      "identity" : "pathkit",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.0.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/kylef/PathKit.git"
    },
    {
      "identity" : "tempry",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.1.1",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/yanamura3/Tempry.git"
    },
    {
      "identity" : "files",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "3.1.0",
            "upper_bound" : "4.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/johnsundell/files.git"
    }
  ],
  "manifest_display_name" : "Captain",
  "name" : "Captain",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "captain",
      "targets" : [
        "Captain"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "CaptainTests",
      "module_type" : "SwiftTarget",
      "name" : "CaptainTests",
      "path" : "Tests/CaptainTests",
      "product_dependencies" : [
        "Tempry",
        "PathKit",
        "Files"
      ],
      "sources" : [
        "CaptainTests.swift"
      ],
      "target_dependencies" : [
        "CaptainCore"
      ],
      "type" : "test"
    },
    {
      "c99name" : "CaptainCore",
      "module_type" : "SwiftTarget",
      "name" : "CaptainCore",
      "path" : "Sources/CaptainCore",
      "product_dependencies" : [
        "PathKit",
        "Files"
      ],
      "product_memberships" : [
        "captain"
      ],
      "sources" : [
        "Captain.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "Captain",
      "module_type" : "SwiftTarget",
      "name" : "Captain",
      "path" : "Sources/Captain",
      "product_memberships" : [
        "captain"
      ],
      "sources" : [
        "main.swift"
      ],
      "target_dependencies" : [
        "CaptainCore"
      ],
      "type" : "executable"
    }
  ],
  "tools_version" : "4.0"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/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
Fetching https://github.com/yanamura3/Tempry.git
Fetching https://github.com/johnsundell/files.git
Fetching https://github.com/kylef/PathKit.git
[1/1236] Fetching files
[1237/1294] Fetching files, tempry
[1295/2705] Fetching files, tempry, pathkit
Fetched https://github.com/yanamura3/Tempry.git from cache (0.22s)
Fetched https://github.com/johnsundell/files.git from cache (0.22s)
Fetched https://github.com/kylef/PathKit.git from cache (0.22s)
Computing version for https://github.com/johnsundell/files.git
Computed https://github.com/johnsundell/files.git at 3.1.0 (2.06s)
Computing version for https://github.com/yanamura3/Tempry.git
Computed https://github.com/yanamura3/Tempry.git at 0.1.1 (0.48s)
Computing version for https://github.com/kylef/PathKit.git
Computed https://github.com/kylef/PathKit.git at 1.0.1 (1.84s)
Fetching https://github.com/kylef/Spectre.git
[1/1021] Fetching spectre
Fetched https://github.com/kylef/Spectre.git from cache (0.20s)
Computing version for https://github.com/kylef/Spectre.git
Computed https://github.com/kylef/Spectre.git at 0.10.1 (0.71s)
Creating working copy for https://github.com/johnsundell/files.git
Working copy of https://github.com/johnsundell/files.git resolved at 3.1.0
Creating working copy for https://github.com/yanamura3/Tempry.git
Working copy of https://github.com/yanamura3/Tempry.git resolved at 0.1.1
Creating working copy for https://github.com/kylef/PathKit.git
Working copy of https://github.com/kylef/PathKit.git resolved at 1.0.1
Creating working copy for https://github.com/kylef/Spectre.git
Working copy of https://github.com/kylef/Spectre.git resolved at 0.10.1
Building for debugging...
[0/11] Write sources
[4/11] Write swift-version-24593BA9C3E375BF.txt
[6/15] Emitting module Files
[7/15] Compiling Files Files.swift
[9/16] Emitting module PathKit
[10/16] Compiling PathKit PathKit.swift
[11/17] Wrapping AST for Files for debugging
[12/17] Wrapping AST for PathKit for debugging
[14/19] Emitting module CaptainCore
[15/19] Compiling CaptainCore Captain.swift
[16/20] Wrapping AST for CaptainCore for debugging
[18/22] Emitting module Captain
[19/22] Compiling Captain main.swift
[20/23] Wrapping AST for Captain for debugging
[21/23] Write Objects.LinkFileList
[22/23] Linking captain
Build complete! (15.82s)
Build complete.
{
  "dependencies" : [
    {
      "identity" : "pathkit",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.0.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/kylef/PathKit.git"
    },
    {
      "identity" : "tempry",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.1.1",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/yanamura3/Tempry.git"
    },
    {
      "identity" : "files",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "3.1.0",
            "upper_bound" : "4.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/johnsundell/files.git"
    }
  ],
  "manifest_display_name" : "Captain",
  "name" : "Captain",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "captain",
      "targets" : [
        "Captain"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "CaptainTests",
      "module_type" : "SwiftTarget",
      "name" : "CaptainTests",
      "path" : "Tests/CaptainTests",
      "product_dependencies" : [
        "Tempry",
        "PathKit",
        "Files"
      ],
      "sources" : [
        "CaptainTests.swift"
      ],
      "target_dependencies" : [
        "CaptainCore"
      ],
      "type" : "test"
    },
    {
      "c99name" : "CaptainCore",
      "module_type" : "SwiftTarget",
      "name" : "CaptainCore",
      "path" : "Sources/CaptainCore",
      "product_dependencies" : [
        "PathKit",
        "Files"
      ],
      "product_memberships" : [
        "captain"
      ],
      "sources" : [
        "Captain.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "Captain",
      "module_type" : "SwiftTarget",
      "name" : "Captain",
      "path" : "Sources/Captain",
      "product_memberships" : [
        "captain"
      ],
      "sources" : [
        "main.swift"
      ],
      "target_dependencies" : [
        "CaptainCore"
      ],
      "type" : "executable"
    }
  ],
  "tools_version" : "4.0"
}
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.