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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 Euclid, reference main (067e21), with Swift 5.10 for macOS (SPM) on 16 Apr 2025 08:32:18 UTC.

Swift 6 data race errors: 0

Build Command

env DEVELOPER_DIR=/Applications/Xcode-15.4.0.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 4.60.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/nicklockwood/Euclid.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/nicklockwood/Euclid
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 067e21d Update for 0.7.11 release
Cloned https://github.com/nicklockwood/Euclid.git
Revision (git rev-parse @):
067e21d20d523aa76211df8279ee5d92e9b27781
SUCCESS checkout https://github.com/nicklockwood/Euclid.git at main
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             5.10
Building package at path:  $PWD
https://github.com/nicklockwood/Euclid.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-15.4.0.app xcrun swift build --arch arm64
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-33747A42983211AE.txt
[3/34] Emitting module Euclid
[4/37] Compiling Euclid Mesh+Texcoords.swift
[5/37] Compiling Euclid Mesh.swift
[6/37] Compiling Euclid Path+Shapes.swift
[7/37] Compiling Euclid Utilities.swift
[8/37] Compiling Euclid Vector.swift
[9/37] Compiling Euclid Vertex.swift
[10/37] Compiling Euclid Path.swift
[11/37] Compiling Euclid PathPoint.swift
[12/37] Compiling Euclid Plane.swift
[13/37] Compiling Euclid Angle.swift
[14/37] Compiling Euclid BSP.swift
[15/37] Compiling Euclid Bounds.swift
[16/37] Compiling Euclid Color.swift
[17/37] Compiling Euclid Polygon+CSG.swift
[18/37] Compiling Euclid Polygon.swift
[19/37] Compiling Euclid Quaternion.swift
[20/37] Compiling Euclid Rotation.swift
[21/37] Compiling Euclid Stretchable.swift
[22/37] Compiling Euclid Transforms.swift
[23/37] Compiling Euclid LineSegment+CSG.swift
[24/37] Compiling Euclid LineSegment.swift
[25/37] Compiling Euclid Mesh+CSG.swift
[26/37] Compiling Euclid Mesh+IO.swift
[27/37] Compiling Euclid Mesh+OBJ.swift
[28/37] Compiling Euclid Mesh+STL.swift
[29/37] Compiling Euclid Mesh+Shapes.swift
[30/37] Compiling Euclid Euclid+AppKit.swift
/Users/admin/builder/spi-builder-workspace/Sources/Euclid+RealityKit.swift:515:21: warning: variable 'material' was never mutated; consider changing to 'let' constant
                var material = VideoMaterial(avPlayer: avPlayer)
                ~~~ ^
                let
[31/37] Compiling Euclid Euclid+CoreGraphics.swift
/Users/admin/builder/spi-builder-workspace/Sources/Euclid+RealityKit.swift:515:21: warning: variable 'material' was never mutated; consider changing to 'let' constant
                var material = VideoMaterial(avPlayer: avPlayer)
                ~~~ ^
                let
[32/37] Compiling Euclid Euclid+CoreText.swift
/Users/admin/builder/spi-builder-workspace/Sources/Euclid+RealityKit.swift:515:21: warning: variable 'material' was never mutated; consider changing to 'let' constant
                var material = VideoMaterial(avPlayer: avPlayer)
                ~~~ ^
                let
[33/37] Compiling Euclid Euclid+RealityKit.swift
/Users/admin/builder/spi-builder-workspace/Sources/Euclid+RealityKit.swift:515:21: warning: variable 'material' was never mutated; consider changing to 'let' constant
                var material = VideoMaterial(avPlayer: avPlayer)
                ~~~ ^
                let
[34/37] Compiling Euclid Euclid+SIMD.swift
[35/37] Compiling Euclid Euclid+SceneKit.swift
[36/37] Compiling Euclid Euclid+UIKit.swift
[37/37] Compiling Euclid Line.swift
Build complete! (10.99s)
warning: 'spi-builder-workspace': found 1 file(s) which are unhandled; explicitly declare them as resources or exclude from the target
    /Users/admin/builder/spi-builder-workspace/Tests/Cube.stl
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Euclid",
  "name" : "Euclid",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Euclid",
      "targets" : [
        "Euclid"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "EuclidTests",
      "module_type" : "SwiftTarget",
      "name" : "EuclidTests",
      "path" : "Tests",
      "sources" : [
        "AngleTests.swift",
        "BoundsTests.swift",
        "CGPathTests.swift",
        "CodingTests.swift",
        "Euclid+Testing.swift",
        "LineSegmentTests.swift",
        "LineTests.swift",
        "MeshCSGTests.swift",
        "MeshExportTests.swift",
        "MeshImportTests.swift",
        "MeshShapeTests.swift",
        "MeshTests.swift",
        "MetadataTests.swift",
        "PathShapeTests.swift",
        "PathTests.swift",
        "PlaneTests.swift",
        "PolygonCSGTests.swift",
        "PolygonTests.swift",
        "QuaternionTests.swift",
        "RealityKitTests.swift",
        "SceneKitTests.swift",
        "StretchableTests.swift",
        "TextTests.swift",
        "TransformTests.swift",
        "UtilityTests.swift",
        "VectorTests.swift"
      ],
      "target_dependencies" : [
        "Euclid"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Euclid",
      "module_type" : "SwiftTarget",
      "name" : "Euclid",
      "path" : "Sources",
      "product_memberships" : [
        "Euclid"
      ],
      "sources" : [
        "Angle.swift",
        "BSP.swift",
        "Bounds.swift",
        "Color.swift",
        "Euclid+AppKit.swift",
        "Euclid+CoreGraphics.swift",
        "Euclid+CoreText.swift",
        "Euclid+RealityKit.swift",
        "Euclid+SIMD.swift",
        "Euclid+SceneKit.swift",
        "Euclid+UIKit.swift",
        "Line.swift",
        "LineSegment+CSG.swift",
        "LineSegment.swift",
        "Mesh+CSG.swift",
        "Mesh+IO.swift",
        "Mesh+OBJ.swift",
        "Mesh+STL.swift",
        "Mesh+Shapes.swift",
        "Mesh+Texcoords.swift",
        "Mesh.swift",
        "Path+Shapes.swift",
        "Path.swift",
        "PathPoint.swift",
        "Plane.swift",
        "Polygon+CSG.swift",
        "Polygon.swift",
        "Quaternion.swift",
        "Rotation.swift",
        "Stretchable.swift",
        "Transforms.swift",
        "Utilities.swift",
        "Vector.swift",
        "Vertex.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.5"
}
Done.