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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 CoreAudioExtensions, reference main (6786ff), with Swift 6.1 for macOS (SPM) on 30 Apr 2025 04:33:15 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/sbooth/CoreAudioExtensions.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/sbooth/CoreAudioExtensions
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 6786ff0 Use `%#x` for `mFormatFlags` (#34)
Cloned https://github.com/sbooth/CoreAudioExtensions.git
Revision (git rev-parse @):
6786ff0074ae44e6c1c053d113218aeca47eaccc
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/sbooth/CoreAudioExtensions.git at main
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/sbooth/CoreAudioExtensions.git
https://github.com/sbooth/CoreAudioExtensions.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "CoreAudioExtensions",
  "name" : "CoreAudioExtensions",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "CoreAudioExtensions",
      "targets" : [
        "CoreAudioExtensions"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "CoreAudioExtensionsTests",
      "module_type" : "SwiftTarget",
      "name" : "CoreAudioExtensionsTests",
      "path" : "Tests/CoreAudioExtensionsTests",
      "sources" : [
        "CoreAudioExtensionsTests.swift"
      ],
      "target_dependencies" : [
        "CoreAudioExtensions"
      ],
      "type" : "test"
    },
    {
      "c99name" : "CoreAudioExtensions",
      "module_type" : "SwiftTarget",
      "name" : "CoreAudioExtensions",
      "path" : "Sources/CoreAudioExtensions",
      "product_memberships" : [
        "CoreAudioExtensions"
      ],
      "sources" : [
        "AudioChannelLayout+SFBExtensions.swift",
        "AudioStreamBasicDescription+SFBExtensions.swift",
        "AudioValueRange+SFBExtensions.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.6"
}
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 CoreAudioExtensions AudioValueRange+SFBExtensions.swift
[4/6] Compiling CoreAudioExtensions AudioChannelLayout+SFBExtensions.swift
[5/6] Compiling CoreAudioExtensions AudioStreamBasicDescription+SFBExtensions.swift
[6/6] Emitting module CoreAudioExtensions
Build complete! (5.49s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "CoreAudioExtensions",
  "name" : "CoreAudioExtensions",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "CoreAudioExtensions",
      "targets" : [
        "CoreAudioExtensions"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "CoreAudioExtensionsTests",
      "module_type" : "SwiftTarget",
      "name" : "CoreAudioExtensionsTests",
      "path" : "Tests/CoreAudioExtensionsTests",
      "sources" : [
        "CoreAudioExtensionsTests.swift"
      ],
      "target_dependencies" : [
        "CoreAudioExtensions"
      ],
      "type" : "test"
    },
    {
      "c99name" : "CoreAudioExtensions",
      "module_type" : "SwiftTarget",
      "name" : "CoreAudioExtensions",
      "path" : "Sources/CoreAudioExtensions",
      "product_memberships" : [
        "CoreAudioExtensions"
      ],
      "sources" : [
        "AudioChannelLayout+SFBExtensions.swift",
        "AudioStreamBasicDescription+SFBExtensions.swift",
        "AudioValueRange+SFBExtensions.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.6"
}
Done.