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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 LibreTranslate, reference main (a5ebd9), with Swift 6.1 for Linux on 29 Apr 2025 05:56:08 UTC.

Swift 6 data race errors: 0

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 -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/wacumov/libretranslate.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/wacumov/libretranslate
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at a5ebd9e Merge pull request #2 from Henrique1701/docs/update/readme
Cloned https://github.com/wacumov/libretranslate.git
Revision (git rev-parse @):
a5ebd9e07c723df5250fa23da49f7d37964db03b
SUCCESS checkout https://github.com/wacumov/libretranslate.git at main
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.1
Building package at path:  $PWD
https://github.com/wacumov/libretranslate.git
https://github.com/wacumov/libretranslate.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
  ],
  "manifest_display_name" : "LibreTranslate",
  "name" : "LibreTranslate",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "macos",
      "version" : "10.15"
    },
    {
      "name" : "watchos",
      "version" : "6.0"
    },
    {
      "name" : "tvos",
      "version" : "13.0"
    }
  ],
  "products" : [
    {
      "name" : "LibreTranslate",
      "targets" : [
        "LibreTranslate"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "LibreTranslateTests",
      "module_type" : "SwiftTarget",
      "name" : "LibreTranslateTests",
      "path" : "Tests/LibreTranslateTests",
      "sources" : [
        "TranslatorTests.swift"
      ],
      "target_dependencies" : [
        "LibreTranslate"
      ],
      "type" : "test"
    },
    {
      "c99name" : "LibreTranslate",
      "module_type" : "SwiftTarget",
      "name" : "LibreTranslate",
      "path" : "Sources/LibreTranslate",
      "product_memberships" : [
        "LibreTranslate"
      ],
      "sources" : [
        "Language.swift",
        "Translator.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.5"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/host -w "$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 -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
[3/5] Compiling LibreTranslate Language.swift
[4/5] Compiling LibreTranslate Translator.swift
/host/spi-builder-workspace/Sources/LibreTranslate/Translator.swift:107:13: warning: capture of 'onCancel' with non-sendable type '() -> ()?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
105 |             }
106 |         } onCancel: {
107 |             onCancel()
    |             |- warning: capture of 'onCancel' with non-sendable type '() -> ()?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
    |             `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
108 |         }
109 |     }
[5/5] Emitting module LibreTranslate
Build complete! (9.66s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "LibreTranslate",
  "name" : "LibreTranslate",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "macos",
      "version" : "10.15"
    },
    {
      "name" : "watchos",
      "version" : "6.0"
    },
    {
      "name" : "tvos",
      "version" : "13.0"
    }
  ],
  "products" : [
    {
      "name" : "LibreTranslate",
      "targets" : [
        "LibreTranslate"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "LibreTranslateTests",
      "module_type" : "SwiftTarget",
      "name" : "LibreTranslateTests",
      "path" : "Tests/LibreTranslateTests",
      "sources" : [
        "TranslatorTests.swift"
      ],
      "target_dependencies" : [
        "LibreTranslate"
      ],
      "type" : "test"
    },
    {
      "c99name" : "LibreTranslate",
      "module_type" : "SwiftTarget",
      "name" : "LibreTranslate",
      "path" : "Sources/LibreTranslate",
      "product_memberships" : [
        "LibreTranslate"
      ],
      "sources" : [
        "Language.swift",
        "Translator.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.5"
}
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.