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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 CASimEngine, reference main (9a2d36), with Swift 5.9 for macOS (SPM) on 7 Mar 2025 00:32:36 UTC.

Swift 6 data race errors: 0

Build Command

env DEVELOPER_DIR=/Applications/Xcode-15.2.0.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 4.60.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/heckj/CASimEngine.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/heckj/CASimEngine
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 9a2d360 adding tests and fixing index logic (#27)
Cloned https://github.com/heckj/CASimEngine.git
Revision (git rev-parse @):
9a2d36050e43ace03194a200f59d6f9d63b1414c
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/heckj/CASimEngine.git at main
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             5.9
Building package at path:  $PWD
https://github.com/heckj/CASimEngine.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-15.2.0.app xcrun swift build --arch arm64
[1/1] Compiling plugin Swift-DocC
[2/2] Compiling plugin Swift-DocC Preview
Building for debugging...
[3/26] Compiling Heightmap Heightmap+normalize.swift
[4/26] Compiling Heightmap XZIndex.swift
[5/26] Compiling Heightmap Array+normalizeUnitValues.swift
[6/26] Emitting module Heightmap
[7/26] Compiling Heightmap Heightmap.swift
[8/26] Compiling IssueReporting ErrorReporting.swift
[9/26] Compiling IssueReporting AppHostWarning.swift
[10/26] Emitting module IssueReporting
[11/26] Compiling IssueReporting Deprecations.swift
[12/26] Compiling IssueReporting FailureObserver.swift
[13/28] Compiling IssueReporting SwiftTesting.swift
[14/28] Compiling IssueReporting UncheckedSendable.swift
[15/28] Compiling IssueReporting Warn.swift
[16/28] Compiling IssueReporting XCTest.swift
[17/28] Compiling IssueReporting LockIsolated.swift
[18/28] Compiling IssueReporting Rethrows.swift
[19/28] Compiling IssueReporting IsTesting.swift
[20/28] Compiling IssueReporting IssueReporter.swift
[21/28] Compiling IssueReporting TestContext.swift
[22/28] Compiling IssueReporting Unimplemented.swift
[23/28] Compiling IssueReporting BreakpointReporter.swift
[24/28] Compiling IssueReporting FatalErrorReporter.swift
[25/28] Compiling IssueReporting RuntimeWarningReporter.swift
[26/28] Compiling IssueReporting ReportIssue.swift
[27/28] Compiling IssueReporting WithExpectedIssue.swift
[28/28] Compiling IssueReporting WithIssueContext.swift
[29/66] Compiling Voxels VoxelArray+Collection.swift
[30/66] Compiling Voxels VoxelArray+Sequence.swift
[31/66] Compiling Voxels VoxelArray+updating.swift
[32/66] Compiling Voxels VoxelArray.swift
[33/70] Compiling Voxels VoxelAccessible_VoxelBlockRenderable.swift
[34/70] Compiling Voxels VoxelBounds+Collection.swift
[35/70] Compiling Voxels VoxelBounds+Sequence.swift
[36/70] Compiling Voxels VoxelBounds+slice.swift
[37/70] Compiling Voxels VoxelScale.swift
[38/70] Compiling Voxels HeightmapConverter.swift
[39/70] Compiling Voxels HeightmapError.swift
[40/70] Compiling Voxels VoxelAccessible.swift
[41/70] Compiling Voxels VoxelBounds.swift
[42/70] Compiling Voxels VoxelConstants.swift
[43/70] Compiling Voxels VoxelIndex+neighbors.swift
[44/70] Compiling Voxels VoxelIndex.swift
[45/70] Compiling Voxels VoxelHash+updating.swift
[46/70] Compiling Voxels VoxelHash.swift
[47/70] Compiling Voxels VoxelUpdate.swift
[48/70] Compiling Voxels Voxels.swift
[49/70] Compiling Voxels VoxelHash+Collection.swift
[50/70] Compiling Voxels VoxelHash+Sequence.swift
[51/70] Compiling Voxels VoxelHash+dump.swift
[52/70] Compiling Voxels VoxelHash+sample.swift
[53/70] Compiling Voxels CompleteVertex.swift
[54/70] Compiling Voxels SIMD2+lerp.swift
[55/70] Compiling Voxels Vector.swift
[56/70] Compiling Voxels VoxelAccessError.swift
[57/70] Compiling Voxels SDF.swift
[58/70] Compiling Voxels SampleMeshData.swift
[59/70] Compiling Voxels StrideIndexable.swift
[60/70] Compiling Voxels CompleteVertex+generateMeshDescriptor.swift
[61/70] Compiling Voxels SurfaceNetRenderer+utility.swift
[62/70] Compiling Voxels SurfaceNetRenderer.swift
[63/70] Compiling Voxels VoxelBlockRenderable.swift
[64/70] Compiling Voxels VoxelSurfaceRenderable.swift
[65/70] Emitting module Voxels
[66/70] Compiling Voxels GreedyBlockMesh.swift
[67/70] Compiling Voxels BlockMeshRenderer.swift
[68/70] Compiling Voxels MarchingCubes.swift
[69/70] Compiling Voxels MeshBuffer+meshDescriptor.swift
[70/70] Compiling Voxels MeshBuffer.swift
[71/79] Compiling CASimEngine CASimulationRule.swift
[72/79] Compiling CASimEngine CASimulationStorage.swift
[73/79] Compiling CASimEngine CARuleScope.swift
[74/79] Compiling CASimEngine CARuleResult.swift
[75/79] Emitting module CASimEngine
[76/79] Compiling CASimEngine CAIndex.swift
[77/79] Compiling CASimEngine CASimulationEngine.swift
[78/79] Compiling CASimEngine CADiagnostic.swift
[79/79] Compiling CASimEngine CADetailedDiagnostic.swift
Build complete! (36.65s)
Fetching https://github.com/heckj/voxels
Fetching https://github.com/swiftlang/swift-docc-plugin
[1/2050] Fetching swift-docc-plugin
[83/5100] Fetching swift-docc-plugin, voxels
Fetched https://github.com/swiftlang/swift-docc-plugin (3.60s)
Fetched https://github.com/heckj/voxels (3.60s)
Computing version for https://github.com/heckj/voxels
Computed https://github.com/heckj/voxels at 0.2.6 (0.36s)
Fetching https://github.com/heckj/Heightmap
Fetching https://github.com/pointfreeco/swift-issue-reporting
[1/188] Fetching heightmap
[189/5500] Fetching heightmap, swift-issue-reporting
Fetched https://github.com/heckj/Heightmap (1.39s)
Fetched https://github.com/pointfreeco/swift-issue-reporting (1.39s)
Computing version for https://github.com/heckj/Heightmap
Computed https://github.com/heckj/Heightmap at 0.6.4 (0.35s)
Computing version for https://github.com/swiftlang/swift-docc-plugin
Computed https://github.com/swiftlang/swift-docc-plugin at 1.4.3 (2.74s)
Fetching https://github.com/swiftlang/swift-docc-symbolkit
[1/3321] Fetching swift-docc-symbolkit
Fetched https://github.com/swiftlang/swift-docc-symbolkit (1.16s)
Computing version for https://github.com/swiftlang/swift-docc-symbolkit
Computed https://github.com/swiftlang/swift-docc-symbolkit at 1.0.0 (0.49s)
Computing version for https://github.com/pointfreeco/swift-issue-reporting
Computed https://github.com/pointfreeco/swift-issue-reporting at 1.5.2 (0.37s)
Creating working copy for https://github.com/pointfreeco/swift-issue-reporting
Working copy of https://github.com/pointfreeco/swift-issue-reporting resolved at 1.5.2
Creating working copy for https://github.com/heckj/Heightmap
Working copy of https://github.com/heckj/Heightmap resolved at 0.6.4
Creating working copy for https://github.com/swiftlang/swift-docc-plugin
Working copy of https://github.com/swiftlang/swift-docc-plugin resolved at 1.4.3
Creating working copy for https://github.com/swiftlang/swift-docc-symbolkit
Working copy of https://github.com/swiftlang/swift-docc-symbolkit resolved at 1.0.0
Creating working copy for https://github.com/heckj/voxels
Working copy of https://github.com/heckj/voxels resolved at 0.2.6
Build complete.
{
  "dependencies" : [
    {
      "identity" : "swift-docc-plugin",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.0.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/swiftlang/swift-docc-plugin"
    },
    {
      "identity" : "voxels",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.2.0",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/heckj/voxels"
    }
  ],
  "manifest_display_name" : "CASimEngine",
  "name" : "CASimEngine",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "16.0"
    },
    {
      "name" : "macos",
      "version" : "13.0"
    }
  ],
  "products" : [
    {
      "name" : "CASimEngine",
      "targets" : [
        "CASimEngine"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "swift_languages_versions" : [
    "6",
    "5"
  ],
  "targets" : [
    {
      "c99name" : "CASimEngineTests",
      "module_type" : "SwiftTarget",
      "name" : "CASimEngineTests",
      "path" : "Tests/CASimEngineTests",
      "sources" : [
        "CAIndexTests.swift",
        "CAPE.swift",
        "CAPEStorage.swift",
        "Comparable+clamped.swift",
        "Duration+milliseconds.swift",
        "EngineFunctionalTests.swift",
        "EngineSmokeTests.swift",
        "SingleFloat.swift",
        "SingleInt.swift"
      ],
      "target_dependencies" : [
        "CASimEngine"
      ],
      "type" : "test"
    },
    {
      "c99name" : "CASimEngine",
      "module_type" : "SwiftTarget",
      "name" : "CASimEngine",
      "path" : "Sources/CASimEngine",
      "product_dependencies" : [
        "Voxels"
      ],
      "product_memberships" : [
        "CASimEngine"
      ],
      "sources" : [
        "CADetailedDiagnostic.swift",
        "CADiagnostic.swift",
        "CAIndex.swift",
        "CARuleResult.swift",
        "CARuleScope.swift",
        "CASimulationEngine.swift",
        "CASimulationRule.swift",
        "CASimulationStorage.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.8"
}
Done.