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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 AStar, reference main (0c35a0), with Swift 6.1 for macOS (SPM) on 26 Apr 2025 14:44:56 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/bradhowes/astar.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/bradhowes/astar
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 0c35a0a Update CI
Cloned https://github.com/bradhowes/astar.git
Revision (git rev-parse @):
0c35a0abd068cfb4bc50ad6230b56803e958f5b4
SUCCESS checkout https://github.com/bradhowes/astar.git at main
Fetching https://github.com/bradhowes/PriorityQueue
[1/110] Fetching priorityqueue
Fetched https://github.com/bradhowes/PriorityQueue from cache (0.62s)
Computing version for https://github.com/bradhowes/PriorityQueue
Computed https://github.com/bradhowes/PriorityQueue at 1.0.2 (1.24s)
Creating working copy for https://github.com/bradhowes/PriorityQueue
Working copy of https://github.com/bradhowes/PriorityQueue resolved at 1.0.2
========================================
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": "astar",
      "name": "AStar",
      "url": "https://github.com/bradhowes/astar.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/astar",
      "dependencies": [
        {
          "identity": "priorityqueue",
          "name": "PriorityQueue",
          "url": "https://github.com/bradhowes/PriorityQueue",
          "version": "1.0.2",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/PriorityQueue",
          "dependencies": [
          ]
        }
      ]
    }
  ]
}
Fetching https://github.com/bradhowes/astar.git
[1/180] Fetching astar
Fetched https://github.com/bradhowes/astar.git from cache (0.63s)
Fetching https://github.com/bradhowes/PriorityQueue from cache
Fetched https://github.com/bradhowes/PriorityQueue from cache (0.40s)
Computing version for https://github.com/bradhowes/PriorityQueue
Computed https://github.com/bradhowes/PriorityQueue at 1.0.2 (0.45s)
Creating working copy for https://github.com/bradhowes/PriorityQueue
Working copy of https://github.com/bradhowes/PriorityQueue resolved at 1.0.2
Creating working copy for https://github.com/bradhowes/astar.git
Working copy of https://github.com/bradhowes/astar.git resolved at main (0c35a0a)
warning: '.resolve-product-dependencies': dependency 'astar' is not used by any target
Found 1 product dependencies
  - PriorityQueue
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/bradhowes/astar.git
https://github.com/bradhowes/astar.git
{
  "dependencies" : [
    {
      "identity" : "priorityqueue",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.0.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/bradhowes/PriorityQueue"
    }
  ],
  "manifest_display_name" : "AStar",
  "name" : "AStar",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "AStar",
      "targets" : [
        "AStar"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "AStarTests",
      "module_type" : "SwiftTarget",
      "name" : "AStarTests",
      "path" : "Tests/AStarTests",
      "sources" : [
        "AStarTests.swift",
        "Coord2DTests.swift",
        "XCTestManifests.swift"
      ],
      "target_dependencies" : [
        "AStar"
      ],
      "type" : "test"
    },
    {
      "c99name" : "AStar",
      "module_type" : "SwiftTarget",
      "name" : "AStar",
      "path" : "Sources/AStar",
      "product_dependencies" : [
        "PriorityQueue"
      ],
      "product_memberships" : [
        "AStar"
      ],
      "sources" : [
        "AStar.swift",
        "Coord2D.swift",
        "CostNumeric.swift",
        "MapOracle.swift",
        "Node.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.2"
}
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...
[0/3] Write sources
[2/3] Write swift-version-2F0A5646E1D333AE.txt
[4/5] Emitting module PriorityQueue
[5/5] Compiling PriorityQueue PriorityQueue.swift
[6/11] Compiling AStar MapOracle.swift
[7/11] Compiling AStar CostNumeric.swift
[8/11] Compiling AStar Coord2D.swift
[9/11] Compiling AStar Node.swift
[10/11] Emitting module AStar
[11/11] Compiling AStar AStar.swift
Build complete! (1.65s)
Build complete.
{
  "dependencies" : [
    {
      "identity" : "priorityqueue",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.0.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/bradhowes/PriorityQueue"
    }
  ],
  "manifest_display_name" : "AStar",
  "name" : "AStar",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "AStar",
      "targets" : [
        "AStar"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "AStarTests",
      "module_type" : "SwiftTarget",
      "name" : "AStarTests",
      "path" : "Tests/AStarTests",
      "sources" : [
        "AStarTests.swift",
        "Coord2DTests.swift",
        "XCTestManifests.swift"
      ],
      "target_dependencies" : [
        "AStar"
      ],
      "type" : "test"
    },
    {
      "c99name" : "AStar",
      "module_type" : "SwiftTarget",
      "name" : "AStar",
      "path" : "Sources/AStar",
      "product_dependencies" : [
        "PriorityQueue"
      ],
      "product_memberships" : [
        "AStar"
      ],
      "sources" : [
        "AStar.swift",
        "Coord2D.swift",
        "CostNumeric.swift",
        "MapOracle.swift",
        "Node.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.2"
}
Done.