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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 Conf, reference 0.0.5 (f902e3), with Swift 6.1 for macOS (SPM) on 29 Apr 2025 10:24:44 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

Build Log

========================================
RunAll
========================================
Builder version: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/0111b/Conf.git
Reference: 0.0.5
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/0111b/Conf
 * tag               0.0.5      -> FETCH_HEAD
HEAD is now at f902e39 Merge pull request 'Fix compilation in Swift 6' (#16) from swift-6 into master
Cloned https://github.com/0111b/Conf.git
Revision (git rev-parse @):
f902e392fcaccd0fc3c0b65fd63698270d4677f2
SUCCESS checkout https://github.com/0111b/Conf.git at 0.0.5
========================================
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": "conf",
      "name": "Conf",
      "url": "https://github.com/0111b/Conf.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/Conf",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/0111b/Conf.git
[7/340] Fetching conf
Fetched https://github.com/0111b/Conf.git from cache (0.73s)
Creating working copy for https://github.com/0111b/Conf.git
Working copy of https://github.com/0111b/Conf.git resolved at 0.0.5 (f902e39)
warning: '.resolve-product-dependencies': dependency 'conf' is not used by any target
Found 0 product dependencies
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/0111b/Conf.git
https://github.com/0111b/Conf.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Conf",
  "name" : "Conf",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Conf",
      "targets" : [
        "Conf"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "ConfTests",
      "module_type" : "SwiftTarget",
      "name" : "ConfTests",
      "path" : "Tests/ConfTests",
      "sources" : [
        "ConfigTests.swift",
        "DefaultConfigurationProvider.swift",
        "DotEnvParserTests.swift",
        "EnvironmentTests.swift",
        "FileFetcherTests.swift",
        "JSONParserTests.swift",
        "KeyTests.swift",
        "MockProcessInfo.swift",
        "PlistParserTests.swift",
        "Resource.swift",
        "TestError.swift"
      ],
      "target_dependencies" : [
        "Conf"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Conf",
      "module_type" : "SwiftTarget",
      "name" : "Conf",
      "path" : "Sources/Conf",
      "product_memberships" : [
        "Conf"
      ],
      "sources" : [
        "Config+Load.swift",
        "Config.swift",
        "ConfigurationError.swift",
        "ConfigurationProvider.swift",
        "Environment.swift",
        "Fetcher.swift",
        "Key.swift",
        "Parser.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.0"
}
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
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-2F0A5646E1D333AE.txt
[3/11] Emitting module Conf
[4/11] Compiling Conf Fetcher.swift
[5/11] Compiling Conf Environment.swift
[6/11] Compiling Conf Key.swift
[7/11] Compiling Conf ConfigurationError.swift
[8/11] Compiling Conf ConfigurationProvider.swift
[9/11] Compiling Conf Config+Load.swift
[10/11] Compiling Conf Config.swift
[11/11] Compiling Conf Parser.swift
Build complete! (5.30s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Conf",
  "name" : "Conf",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Conf",
      "targets" : [
        "Conf"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "ConfTests",
      "module_type" : "SwiftTarget",
      "name" : "ConfTests",
      "path" : "Tests/ConfTests",
      "sources" : [
        "ConfigTests.swift",
        "DefaultConfigurationProvider.swift",
        "DotEnvParserTests.swift",
        "EnvironmentTests.swift",
        "FileFetcherTests.swift",
        "JSONParserTests.swift",
        "KeyTests.swift",
        "MockProcessInfo.swift",
        "PlistParserTests.swift",
        "Resource.swift",
        "TestError.swift"
      ],
      "target_dependencies" : [
        "Conf"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Conf",
      "module_type" : "SwiftTarget",
      "name" : "Conf",
      "path" : "Sources/Conf",
      "product_memberships" : [
        "Conf"
      ],
      "sources" : [
        "Config+Load.swift",
        "Config.swift",
        "ConfigurationError.swift",
        "ConfigurationProvider.swift",
        "Environment.swift",
        "Fetcher.swift",
        "Key.swift",
        "Parser.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.0"
}
Done.