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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 Duration, reference main (1b00ac), with Swift 6.1 for macOS (SPM) on 30 Apr 2025 02:13:18 UTC.

Swift 6 data race errors: 0

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64 -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

Build Log

========================================
RunAll
========================================
Builder version: 4.61.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/longinius/swift-duration.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/longinius/swift-duration
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 1b00ac0 test: migrate to swift testing
Cloned https://github.com/longinius/swift-duration.git
Revision (git rev-parse @):
1b00ac06ae8998c9b6ec277cc7ac7b140cbbfac5
SUCCESS checkout https://github.com/longinius/swift-duration.git at main
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/longinius/swift-duration.git
https://github.com/longinius/swift-duration.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Duration",
  "name" : "Duration",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "11.0"
    },
    {
      "name" : "macos",
      "version" : "10.13"
    },
    {
      "name" : "tvos",
      "version" : "11.0"
    },
    {
      "name" : "watchos",
      "version" : "4.0"
    }
  ],
  "products" : [
    {
      "name" : "Duration",
      "targets" : [
        "Duration"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "DurationTests",
      "module_type" : "SwiftTarget",
      "name" : "DurationTests",
      "path" : "Tests",
      "sources" : [
        "DurationTests/DurationCodableTests.swift",
        "DurationTests/DurationTests.swift"
      ],
      "target_dependencies" : [
        "Duration"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Duration",
      "module_type" : "SwiftTarget",
      "name" : "Duration",
      "path" : "Sources/Duration",
      "product_memberships" : [
        "Duration"
      ],
      "sources" : [
        "Duration.swift",
        "DurationError.swift",
        "Parser.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.5"
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64 -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
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-2F0A5646E1D333AE.txt
[3/6] Compiling Duration DurationError.swift
[4/6] Compiling Duration Parser.swift
[5/6] Emitting module Duration
[6/6] Compiling Duration Duration.swift
Build complete! (4.38s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Duration",
  "name" : "Duration",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "11.0"
    },
    {
      "name" : "macos",
      "version" : "10.13"
    },
    {
      "name" : "tvos",
      "version" : "11.0"
    },
    {
      "name" : "watchos",
      "version" : "4.0"
    }
  ],
  "products" : [
    {
      "name" : "Duration",
      "targets" : [
        "Duration"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "DurationTests",
      "module_type" : "SwiftTarget",
      "name" : "DurationTests",
      "path" : "Tests",
      "sources" : [
        "DurationTests/DurationCodableTests.swift",
        "DurationTests/DurationTests.swift"
      ],
      "target_dependencies" : [
        "Duration"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Duration",
      "module_type" : "SwiftTarget",
      "name" : "Duration",
      "path" : "Sources/Duration",
      "product_memberships" : [
        "Duration"
      ],
      "sources" : [
        "Duration.swift",
        "DurationError.swift",
        "Parser.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.5"
}
Done.