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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 Arguments, reference main (920684), with Swift 6.1 for Linux on 25 Apr 2025 16:34:12 UTC.

Swift 6 data race errors: 0

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4606859-3":/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/elegantchaos/Arguments.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/elegantchaos/Arguments
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 9206846 added license
Cloned https://github.com/elegantchaos/Arguments.git
Revision (git rev-parse @):
920684638d7a985bf4080fbbd0c960f308ec7da3
SUCCESS checkout https://github.com/elegantchaos/Arguments.git at main
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.1
Building package at path:  $PWD
https://github.com/elegantchaos/Arguments.git
https://github.com/elegantchaos/Arguments.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
    {
      "identity" : "docopt.swift",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.6.12",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/elegantchaos/docopt.swift.git"
    }
  ],
  "manifest_display_name" : "Arguments",
  "name" : "Arguments",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Arguments",
      "targets" : [
        "Arguments"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "ArgumentsTests",
      "module_type" : "SwiftTarget",
      "name" : "ArgumentsTests",
      "path" : "Tests/ArgumentsTests",
      "sources" : [
        "ArgumentsTests.swift",
        "XCTestManifests.swift"
      ],
      "target_dependencies" : [
        "Arguments"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Arguments",
      "module_type" : "SwiftTarget",
      "name" : "Arguments",
      "path" : "Sources/Arguments",
      "product_dependencies" : [
        "Docopt"
      ],
      "product_memberships" : [
        "Arguments"
      ],
      "sources" : [
        "Arguments.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.0"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-3":/host -w "$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/elegantchaos/docopt.swift.git
[1/787] Fetching docopt.swift
Fetched https://github.com/elegantchaos/docopt.swift.git from cache (0.24s)
Computing version for https://github.com/elegantchaos/docopt.swift.git
Computed https://github.com/elegantchaos/docopt.swift.git at 0.6.12 (2.47s)
Creating working copy for https://github.com/elegantchaos/docopt.swift.git
Working copy of https://github.com/elegantchaos/docopt.swift.git resolved at 0.6.12
Building for debugging...
[0/3] Write sources
[2/3] Write swift-version-24593BA9C3E375BF.txt
[4/18] Compiling Docopt Required.swift
[5/18] Compiling Docopt String.swift
[6/19] Compiling Docopt Argument.swift
[7/19] Compiling Docopt BranchPattern.swift
[8/19] Emitting module Docopt
[9/19] Compiling Docopt Command.swift
[10/19] Compiling Docopt Docopt.swift
[11/19] Compiling Docopt DocoptError.swift
[12/19] Compiling Docopt Either.swift
[13/19] Compiling Docopt OptionsShortcut.swift
[14/19] Compiling Docopt Pattern.swift
[15/19] Compiling Docopt Option.swift
[16/19] Compiling Docopt Optional.swift
[17/19] Compiling Docopt LeafPattern.swift
[18/19] Compiling Docopt OneOrMore.swift
[19/19] Compiling Docopt Tokens.swift
[21/22] Compiling Arguments Arguments.swift
[22/22] Emitting module Arguments
Build complete! (14.20s)
Build complete.
{
  "dependencies" : [
    {
      "identity" : "docopt.swift",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.6.12",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/elegantchaos/docopt.swift.git"
    }
  ],
  "manifest_display_name" : "Arguments",
  "name" : "Arguments",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Arguments",
      "targets" : [
        "Arguments"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "ArgumentsTests",
      "module_type" : "SwiftTarget",
      "name" : "ArgumentsTests",
      "path" : "Tests/ArgumentsTests",
      "sources" : [
        "ArgumentsTests.swift",
        "XCTestManifests.swift"
      ],
      "target_dependencies" : [
        "Arguments"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Arguments",
      "module_type" : "SwiftTarget",
      "name" : "Arguments",
      "path" : "Sources/Arguments",
      "product_dependencies" : [
        "Docopt"
      ],
      "product_memberships" : [
        "Arguments"
      ],
      "sources" : [
        "Arguments.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.0"
}
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.