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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 AlgoChecker, reference master (1b3fc4), with Swift 6.1 for macOS (SPM) on 25 Apr 2025 17:25:38 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: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/kandelvijaya/algorithmchecker.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/kandelvijaya/algorithmchecker
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 1b3fc42 refactored randomized collection based on function. Static property wont work.
Cloned https://github.com/kandelvijaya/algorithmchecker.git
Revision (git rev-parse @):
1b3fc4200c2d5855171846ebcb1093862dcd3b5d
SUCCESS checkout https://github.com/kandelvijaya/algorithmchecker.git at master
========================================
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": "algorithmchecker",
      "name": "AlgoChecker",
      "url": "https://github.com/kandelvijaya/algorithmchecker.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/algorithmchecker",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/kandelvijaya/algorithmchecker.git
[1/67] Fetching algorithmchecker
Fetched https://github.com/kandelvijaya/algorithmchecker.git from cache (0.56s)
Creating working copy for https://github.com/kandelvijaya/algorithmchecker.git
Working copy of https://github.com/kandelvijaya/algorithmchecker.git resolved at master (1b3fc42)
warning: '.resolve-product-dependencies': dependency 'algorithmchecker' 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/kandelvijaya/algorithmchecker.git
https://github.com/kandelvijaya/algorithmchecker.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "AlgoChecker",
  "name" : "AlgoChecker",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "AlgoChecker",
      "targets" : [
        "AlgoChecker"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "AlgoCheckerTests",
      "module_type" : "SwiftTarget",
      "name" : "AlgoCheckerTests",
      "path" : "Tests/AlgoCheckerTests",
      "sources" : [
        "AlgoCheckerTests.swift",
        "XCTestManifests.swift"
      ],
      "target_dependencies" : [
        "AlgoChecker"
      ],
      "type" : "test"
    },
    {
      "c99name" : "AlgoChecker",
      "module_type" : "SwiftTarget",
      "name" : "AlgoChecker",
      "path" : "Sources/AlgoChecker",
      "product_memberships" : [
        "AlgoChecker"
      ],
      "sources" : [
        "AlgoChecker.swift",
        "Experimental.swift",
        "RandomizableInput.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "4.2"
}
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 AlgoChecker RandomizableInput.swift
[4/6] Compiling AlgoChecker Experimental.swift
[5/6] Emitting module AlgoChecker
[6/6] Compiling AlgoChecker AlgoChecker.swift
Build complete! (5.09s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "AlgoChecker",
  "name" : "AlgoChecker",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "AlgoChecker",
      "targets" : [
        "AlgoChecker"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "AlgoCheckerTests",
      "module_type" : "SwiftTarget",
      "name" : "AlgoCheckerTests",
      "path" : "Tests/AlgoCheckerTests",
      "sources" : [
        "AlgoCheckerTests.swift",
        "XCTestManifests.swift"
      ],
      "target_dependencies" : [
        "AlgoChecker"
      ],
      "type" : "test"
    },
    {
      "c99name" : "AlgoChecker",
      "module_type" : "SwiftTarget",
      "name" : "AlgoChecker",
      "path" : "Sources/AlgoChecker",
      "product_memberships" : [
        "AlgoChecker"
      ],
      "sources" : [
        "AlgoChecker.swift",
        "Experimental.swift",
        "RandomizableInput.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "4.2"
}
Done.