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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 KeyValueCoder, reference main (867e27), with Swift 6.0 for macOS (SPM) on 18 Apr 2025 00:12:34 UTC.

Swift 6 data race errors: 0

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.2.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats

Build Log

========================================
RunAll
========================================
Builder version: 4.60.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/swhitty/KeyValueCoder.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/swhitty/KeyValueCoder
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 867e27b Update README.md
Cloned https://github.com/swhitty/KeyValueCoder.git
Revision (git rev-parse @):
867e27b996141badb657c6eb6161d2b8f455fb74
SUCCESS checkout https://github.com/swhitty/KeyValueCoder.git at main
========================================
ResolveProductDependencies
========================================
Resolving dependencies ...
{
  "identity": ".resolve-product-dependencies",
  "name": "resolve-dependencies",
  "url": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
  "version": "unspecified",
  "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
  "dependencies": [
    {
      "identity": "keyvaluecoder",
      "name": "KeyValueCoder",
      "url": "https://github.com/swhitty/KeyValueCoder.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/KeyValueCoder",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/swhitty/KeyValueCoder.git
[1/367] Fetching keyvaluecoder
Fetched https://github.com/swhitty/KeyValueCoder.git from cache (0.71s)
Creating working copy for https://github.com/swhitty/KeyValueCoder.git
Working copy of https://github.com/swhitty/KeyValueCoder.git resolved at main (867e27b)
warning: '.resolve-product-dependencies': dependency 'keyvaluecoder' is not used by any target
Found 0 product dependencies
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $PWD
https://github.com/swhitty/KeyValueCoder.git
https://github.com/swhitty/KeyValueCoder.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "KeyValueCoder",
  "name" : "KeyValueCoder",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "13.0"
    },
    {
      "name" : "ios",
      "version" : "15.0"
    },
    {
      "name" : "tvos",
      "version" : "15.0"
    },
    {
      "name" : "watchos",
      "version" : "8.0"
    }
  ],
  "products" : [
    {
      "name" : "KeyValueCoder",
      "targets" : [
        "KeyValueCoder"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "KeyValueCoderTests",
      "module_type" : "SwiftTarget",
      "name" : "KeyValueCoderTests",
      "path" : "Tests",
      "sources" : [
        "KeyValueDecoderTests.swift",
        "KeyValueDecoderXCTests.swift",
        "KeyValueEncoderTests.swift",
        "KeyValueEncoderXCTests.swift",
        "UserDefaults+CodableTests.swift",
        "UserDefaults+CodableXCTests.swift"
      ],
      "target_dependencies" : [
        "KeyValueCoder"
      ],
      "type" : "test"
    },
    {
      "c99name" : "KeyValueCoder",
      "module_type" : "SwiftTarget",
      "name" : "KeyValueCoder",
      "path" : "Sources",
      "product_memberships" : [
        "KeyValueCoder"
      ],
      "sources" : [
        "KeyValueDecoder.swift",
        "KeyValueEncoder.swift",
        "UserDefaults+Codable.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.0"
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.2.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-5BDAB9E9C0126B9D.txt
[3/6] Compiling KeyValueCoder UserDefaults+Codable.swift
[4/6] Compiling KeyValueCoder KeyValueEncoder.swift
[5/6] Emitting module KeyValueCoder
[6/6] Compiling KeyValueCoder KeyValueDecoder.swift
Build complete! (6.27s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "KeyValueCoder",
  "name" : "KeyValueCoder",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "13.0"
    },
    {
      "name" : "ios",
      "version" : "15.0"
    },
    {
      "name" : "tvos",
      "version" : "15.0"
    },
    {
      "name" : "watchos",
      "version" : "8.0"
    }
  ],
  "products" : [
    {
      "name" : "KeyValueCoder",
      "targets" : [
        "KeyValueCoder"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "KeyValueCoderTests",
      "module_type" : "SwiftTarget",
      "name" : "KeyValueCoderTests",
      "path" : "Tests",
      "sources" : [
        "KeyValueDecoderTests.swift",
        "KeyValueDecoderXCTests.swift",
        "KeyValueEncoderTests.swift",
        "KeyValueEncoderXCTests.swift",
        "UserDefaults+CodableTests.swift",
        "UserDefaults+CodableXCTests.swift"
      ],
      "target_dependencies" : [
        "KeyValueCoder"
      ],
      "type" : "test"
    },
    {
      "c99name" : "KeyValueCoder",
      "module_type" : "SwiftTarget",
      "name" : "KeyValueCoder",
      "path" : "Sources",
      "product_memberships" : [
        "KeyValueCoder"
      ],
      "sources" : [
        "KeyValueDecoder.swift",
        "KeyValueEncoder.swift",
        "UserDefaults+Codable.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.0"
}
Done.