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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 Logger, reference master (5187b0), with Swift 6.1 for Linux on 25 Apr 2025 22:25:05 UTC.

Swift 6 data race errors: 0

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4606859-2":/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/shibapm/Logger.git
Reference: master
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/shibapm/Logger
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 5187b01 Merge pull request #8 from shibapm/add-license-1
Cloned https://github.com/shibapm/Logger.git
Revision (git rev-parse @):
5187b01d66ee187c80a84ac686f6461d9975fa76
SUCCESS checkout https://github.com/shibapm/Logger.git at master
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.1
Building package at path:  $PWD
https://github.com/shibapm/Logger.git
https://github.com/shibapm/Logger.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
    {
      "identity" : "nimble",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "7.3.1",
            "upper_bound" : "8.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/Quick/Nimble"
    },
    {
      "identity" : "testspy",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.3.1",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/f-meloni/TestSpy"
    }
  ],
  "manifest_display_name" : "Logger",
  "name" : "Logger",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Logger",
      "targets" : [
        "Logger"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "LoggerTests",
      "module_type" : "SwiftTarget",
      "name" : "LoggerTests",
      "path" : "Tests/LoggerTests",
      "product_dependencies" : [
        "Nimble",
        "TestSpy"
      ],
      "sources" : [
        "LoggerTests+Debug.swift",
        "LoggerTests+Error.swift",
        "LoggerTests+Info.swift",
        "LoggerTests+Success.swift",
        "LoggerTests+Warnings.swift",
        "LoggerTests.swift",
        "SpyPrinter.swift",
        "XCTestManifests.swift"
      ],
      "target_dependencies" : [
        "Logger"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Logger",
      "module_type" : "SwiftTarget",
      "name" : "Logger",
      "path" : "Sources/Logger",
      "product_memberships" : [
        "Logger"
      ],
      "sources" : [
        "Logger.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "4.2"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-2":/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/Quick/Nimble
Fetching https://github.com/f-meloni/TestSpy
[1/2048] Fetching testspy
[63/21615] Fetching testspy, nimble
Fetched https://github.com/Quick/Nimble from cache (1.55s)
[1639/2048] Fetching testspy
Fetched https://github.com/f-meloni/TestSpy from cache (2.56s)
Computing version for https://github.com/f-meloni/TestSpy
Computed https://github.com/f-meloni/TestSpy at 0.3.1 (3.03s)
Fetching https://github.com/Quick/Quick
[1/14755] Fetching quick
Fetched https://github.com/Quick/Quick from cache (0.62s)
Computing version for https://github.com/Quick/Nimble
Computed https://github.com/Quick/Nimble at 7.3.4 (1.26s)
Computing version for https://github.com/Quick/Quick
Computed https://github.com/Quick/Quick at 1.3.4 (0.60s)
Creating working copy for https://github.com/Quick/Nimble
Working copy of https://github.com/Quick/Nimble resolved at 7.3.4
Creating working copy for https://github.com/Quick/Quick
Working copy of https://github.com/Quick/Quick resolved at 1.3.4
Creating working copy for https://github.com/f-meloni/TestSpy
Working copy of https://github.com/f-meloni/TestSpy resolved at 0.3.1
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-24593BA9C3E375BF.txt
[3/4] Emitting module Logger
[4/4] Compiling Logger Logger.swift
Build complete! (23.59s)
Build complete.
{
  "dependencies" : [
    {
      "identity" : "nimble",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "7.3.1",
            "upper_bound" : "8.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/Quick/Nimble"
    },
    {
      "identity" : "testspy",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.3.1",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/f-meloni/TestSpy"
    }
  ],
  "manifest_display_name" : "Logger",
  "name" : "Logger",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Logger",
      "targets" : [
        "Logger"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "LoggerTests",
      "module_type" : "SwiftTarget",
      "name" : "LoggerTests",
      "path" : "Tests/LoggerTests",
      "product_dependencies" : [
        "Nimble",
        "TestSpy"
      ],
      "sources" : [
        "LoggerTests+Debug.swift",
        "LoggerTests+Error.swift",
        "LoggerTests+Info.swift",
        "LoggerTests+Success.swift",
        "LoggerTests+Warnings.swift",
        "LoggerTests.swift",
        "SpyPrinter.swift",
        "XCTestManifests.swift"
      ],
      "target_dependencies" : [
        "Logger"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Logger",
      "module_type" : "SwiftTarget",
      "name" : "Logger",
      "path" : "Sources/Logger",
      "product_memberships" : [
        "Logger"
      ],
      "sources" : [
        "Logger.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "4.2"
}
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.