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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 NavLibSwift, reference main (28a41f), with Swift 6.0 for macOS (SPM) on 15 Mar 2025 12:26:16 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/tomasf/NavLibSwift.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/tomasf/NavLibSwift
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 28a41fb Improve README
Cloned https://github.com/tomasf/NavLibSwift.git
Revision (git rev-parse @):
28a41fb0e13feef4ecd3c04fb1e80266610eeb37
SUCCESS checkout https://github.com/tomasf/NavLibSwift.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": "navlibswift",
      "name": "NavLibSwift",
      "url": "https://github.com/tomasf/NavLibSwift.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/NavLibSwift",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/tomasf/NavLibSwift.git
[1/49] Fetching navlibswift
Fetched https://github.com/tomasf/NavLibSwift.git from cache (0.65s)
Creating working copy for https://github.com/tomasf/NavLibSwift.git
Working copy of https://github.com/tomasf/NavLibSwift.git resolved at main (28a41fb)
warning: '.resolve-product-dependencies': dependency 'navlibswift' 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/tomasf/NavLibSwift.git
https://github.com/tomasf/NavLibSwift.git
{
  "cxx_language_standard" : "c++14",
  "dependencies" : [
  ],
  "manifest_display_name" : "NavLibSwift",
  "name" : "NavLibSwift",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "NavLibSwift",
      "targets" : [
        "NavLib"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "NavLibCpp",
      "module_type" : "ClangTarget",
      "name" : "NavLibCpp",
      "path" : "Sources/NavLibCpp",
      "product_memberships" : [
        "NavLibSwift"
      ],
      "sources" : [
        "NavLib.cpp"
      ],
      "type" : "library"
    },
    {
      "c99name" : "NavLib",
      "module_type" : "SwiftTarget",
      "name" : "NavLib",
      "path" : "Sources/NavLib",
      "product_memberships" : [
        "NavLibSwift"
      ],
      "sources" : [
        "Internal/NavLibInstance+Subscripts.swift",
        "Internal/NavLibInstance.swift",
        "Internal/NavLibValue.swift",
        "Internal/Properties.swift",
        "NavLibSession.swift",
        "NavLibStateProvider.swift",
        "Types.swift"
      ],
      "target_dependencies" : [
        "NavLibCpp"
      ],
      "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...
[0/3] Write sources
[1/3] Write swift-version-5BDAB9E9C0126B9D.txt
[2/3] Compiling NavLibCpp NavLib.cpp
[4/11] Compiling NavLib NavLibStateProvider.swift
[5/11] Compiling NavLib Types.swift
[6/11] Compiling NavLib NavLibSession.swift
[7/11] Compiling NavLib NavLibValue.swift
[8/11] Compiling NavLib NavLibInstance.swift
[9/11] Compiling NavLib Properties.swift
[10/11] Compiling NavLib NavLibInstance+Subscripts.swift
[11/11] Emitting module NavLib
Build complete! (73.97s)
Build complete.
{
  "cxx_language_standard" : "c++14",
  "dependencies" : [
  ],
  "manifest_display_name" : "NavLibSwift",
  "name" : "NavLibSwift",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "NavLibSwift",
      "targets" : [
        "NavLib"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "NavLibCpp",
      "module_type" : "ClangTarget",
      "name" : "NavLibCpp",
      "path" : "Sources/NavLibCpp",
      "product_memberships" : [
        "NavLibSwift"
      ],
      "sources" : [
        "NavLib.cpp"
      ],
      "type" : "library"
    },
    {
      "c99name" : "NavLib",
      "module_type" : "SwiftTarget",
      "name" : "NavLib",
      "path" : "Sources/NavLib",
      "product_memberships" : [
        "NavLibSwift"
      ],
      "sources" : [
        "Internal/NavLibInstance+Subscripts.swift",
        "Internal/NavLibInstance.swift",
        "Internal/NavLibValue.swift",
        "Internal/Properties.swift",
        "NavLibSession.swift",
        "NavLibStateProvider.swift",
        "Types.swift"
      ],
      "target_dependencies" : [
        "NavLibCpp"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.0"
}
Done.