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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 Flexer, reference main (b8fb79), with Swift 6.0 for macOS (SPM) on 6 May 2025 02:03:20 UTC.

Swift 6 data race errors: 0

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.2.0.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 4.61.3
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/ChimeHQ/Flexer.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/ChimeHQ/Flexer
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at b8fb79e Add .swift-format file and run it on TokenProtocol
Cloned https://github.com/ChimeHQ/Flexer.git
Revision (git rev-parse @):
b8fb79efe3ea65cbb2f7e864042ebce47fada488
SUCCESS checkout https://github.com/ChimeHQ/Flexer.git at main
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $PWD
https://github.com/ChimeHQ/Flexer.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.2.0.app xcrun swift build --arch arm64
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-5BDAB9E9C0126B9D.txt
[3/9] Compiling Flexer CharacterSet+Character.swift
[4/9] Compiling Flexer LookAheadIteratorProtocol.swift
[5/9] Compiling Flexer TokenProtocol.swift
[6/9] Compiling Flexer LookAheadSequenceReference.swift
[7/9] Compiling Flexer LookAheadSequence.swift
[8/9] Compiling Flexer BasicTextCharacterLexer.swift
[9/9] Emitting module Flexer
Build complete! (5.29s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Flexer",
  "name" : "Flexer",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.15"
    },
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "tvos",
      "version" : "13.0"
    },
    {
      "name" : "watchos",
      "version" : "6.0"
    },
    {
      "name" : "maccatalyst",
      "version" : "13.0"
    }
  ],
  "products" : [
    {
      "name" : "Flexer",
      "targets" : [
        "Flexer"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "FlexerTests",
      "module_type" : "SwiftTarget",
      "name" : "FlexerTests",
      "path" : "Tests/FlexerTests",
      "sources" : [
        "BasicTextCharacterLexerTests.swift",
        "ExampleLexerTests.swift",
        "LookAheadSequenceReferenceTests.swift"
      ],
      "target_dependencies" : [
        "Flexer"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Flexer",
      "module_type" : "SwiftTarget",
      "name" : "Flexer",
      "path" : "Sources/Flexer",
      "product_memberships" : [
        "Flexer"
      ],
      "sources" : [
        "BasicTextCharacterLexer.swift",
        "CharacterSet+Character.swift",
        "LookAheadIteratorProtocol.swift",
        "LookAheadSequence.swift",
        "LookAheadSequenceReference.swift",
        "TokenProtocol.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.9"
}
Done.