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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 Voxels, reference 0.2.6 (b45809), with Swift 6.1 for Linux on 29 Apr 2025 23:49:41 UTC.

Swift 6 data race errors: 0

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4606859-3":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.61.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/heckj/voxels.git
Reference: 0.2.6
Initialized empty Git repository in /host/spi-builder-workspace/.git/
hint: Using 'master' as the name for the initial branch. This default branch name
hint: is subject to change. To configure the initial branch name to use in all
hint: of your new repositories, which will suppress this warning, call:
hint:
hint: 	git config --global init.defaultBranch <name>
hint:
hint: Names commonly chosen instead of 'master' are 'main', 'trunk' and
hint: 'development'. The just-created branch can be renamed via this command:
hint:
hint: 	git branch -m <name>
From https://github.com/heckj/voxels
 * tag               0.2.6      -> FETCH_HEAD
HEAD is now at b458098 adding hashable and equatable conformances to VoxelBounds, VoxelArray, and VoxelHash (#133)
Cloned https://github.com/heckj/voxels.git
Revision (git rev-parse @):
b458098e1daacd4560aa84f2f7274c6c93171bb4
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/heckj/voxels.git at 0.2.6
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.1
Building package at path:  $PWD
https://github.com/heckj/voxels.git
https://github.com/heckj/voxels.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
    {
      "identity" : "heightmap",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.6.0",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/heckj/Heightmap"
    },
    {
      "identity" : "swift-issue-reporting",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.2.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/pointfreeco/swift-issue-reporting"
    },
    {
      "identity" : "swift-docc-plugin",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.0.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-docc-plugin"
    }
  ],
  "manifest_display_name" : "Voxels",
  "name" : "Voxels",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "16.0"
    },
    {
      "name" : "macos",
      "version" : "13.0"
    }
  ],
  "products" : [
    {
      "name" : "Voxels",
      "targets" : [
        "Voxels"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "example-bounds",
      "targets" : [
        "example-bounds"
      ],
      "type" : {
        "snippet" : null
      }
    }
  ],
  "swift_languages_versions" : [
    "6",
    "5"
  ],
  "targets" : [
    {
      "c99name" : "VoxelsTests",
      "module_type" : "SwiftTarget",
      "name" : "VoxelsTests",
      "path" : "Tests/VoxelsTests",
      "product_dependencies" : [
        "Heightmap"
      ],
      "sources" : [
        "HeightmapConversionTests.swift",
        "PerformanceTests/SurfaceNetPerformanceTests.swift",
        "RendererTests/BlockMeshRendererTests.swift",
        "RendererTests/MarchingCubesRendererTests.swift",
        "RendererTests/MeshBufferTests.swift",
        "RendererTests/SurfaceNetRendererTests.swift",
        "RendererTests/SurfaceNetRendererUtilityTests.swift",
        "SDFTests.swift",
        "VectorTests.swift",
        "VoxelAccessibleTests.swift",
        "VoxelArrayTests.swift",
        "VoxelBoundsSequenceTests.swift",
        "VoxelBoundsSliceTests.swift",
        "VoxelBoundsTests.swift",
        "VoxelHashTests.swift",
        "VoxelIndexTests.swift",
        "VoxelScaleTests.swift",
        "VoxelSurfaceTests.swift"
      ],
      "target_dependencies" : [
        "Voxels"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Voxels",
      "module_type" : "SwiftTarget",
      "name" : "Voxels",
      "path" : "Sources/Voxels",
      "product_dependencies" : [
        "Heightmap",
        "IssueReporting"
      ],
      "product_memberships" : [
        "Voxels",
        "example-bounds"
      ],
      "sources" : [
        "GreedyBlockMesh.swift",
        "Renderers/BlockMeshRenderer.swift",
        "Renderers/MarchingCubes.swift",
        "Renderers/MeshBuffer+meshDescriptor.swift",
        "Renderers/MeshBuffer.swift",
        "Renderers/SurfaceNetRenderer+utility.swift",
        "Renderers/SurfaceNetRenderer.swift",
        "Renderers/VoxelBlockRenderable.swift",
        "Renderers/VoxelSurfaceRenderable.swift",
        "SDF.swift",
        "SampleMeshData.swift",
        "StrideIndexable.swift",
        "Vertex/CompleteVertex+generateMeshDescriptor.swift",
        "Vertex/CompleteVertex.swift",
        "Vertex/SIMD2+lerp.swift",
        "Vertex/Vector.swift",
        "VoxelAccessError.swift",
        "VoxelAccessible_VoxelBlockRenderable.swift",
        "VoxelBounds+Collection.swift",
        "VoxelBounds+Sequence.swift",
        "VoxelBounds+slice.swift",
        "VoxelBounds.swift",
        "VoxelConstants.swift",
        "VoxelIndex+neighbors.swift",
        "VoxelIndex.swift",
        "VoxelScale.swift",
        "VoxelStorage/HeightmapConverter.swift",
        "VoxelStorage/HeightmapError.swift",
        "VoxelStorage/VoxelAccessible.swift",
        "VoxelStorage/VoxelArray+Collection.swift",
        "VoxelStorage/VoxelArray+Sequence.swift",
        "VoxelStorage/VoxelArray+updating.swift",
        "VoxelStorage/VoxelArray.swift",
        "VoxelStorage/VoxelHash+Collection.swift",
        "VoxelStorage/VoxelHash+Sequence.swift",
        "VoxelStorage/VoxelHash+dump.swift",
        "VoxelStorage/VoxelHash+sample.swift",
        "VoxelStorage/VoxelHash+updating.swift",
        "VoxelStorage/VoxelHash.swift",
        "VoxelStorage/VoxelUpdate.swift",
        "Voxels.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "example_bounds",
      "module_type" : "SwiftTarget",
      "name" : "example-bounds",
      "path" : "Snippets",
      "product_memberships" : [
        "example-bounds"
      ],
      "sources" : [
        "example-bounds.swift"
      ],
      "target_dependencies" : [
        "Voxels"
      ],
      "type" : "snippet"
    }
  ],
  "tools_version" : "5.8"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-3":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats 2>&1
basic-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:3bdcac04179f4ed3e5b8e9dbd6e74bbf5ebc0f4fde48bbaad7d1e5c757e65bcb
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.1-latest
Fetching https://github.com/apple/swift-docc-plugin
Fetching https://github.com/heckj/Heightmap
Fetching https://github.com/pointfreeco/swift-issue-reporting
[1/188] Fetching heightmap
[189/2237] Fetching heightmap, swift-docc-plugin
Fetched https://github.com/heckj/Heightmap from cache (0.26s)
[246/2049] Fetching swift-docc-plugin
[2050/7437] Fetching swift-docc-plugin, swift-issue-reporting
Fetched https://github.com/apple/swift-docc-plugin from cache (0.85s)
Fetched https://github.com/pointfreeco/swift-issue-reporting from cache (0.86s)
Computing version for https://github.com/heckj/Heightmap
Computed https://github.com/heckj/Heightmap at 0.6.4 (1.82s)
Computing version for https://github.com/apple/swift-docc-plugin
Computed https://github.com/apple/swift-docc-plugin at 1.4.3 (3.90s)
Fetching https://github.com/swiftlang/swift-docc-symbolkit
[1/3376] Fetching swift-docc-symbolkit
Fetched https://github.com/swiftlang/swift-docc-symbolkit from cache (0.59s)
Computing version for https://github.com/swiftlang/swift-docc-symbolkit
Computed https://github.com/swiftlang/swift-docc-symbolkit at 1.0.0 (2.01s)
Computing version for https://github.com/pointfreeco/swift-issue-reporting
Computed https://github.com/pointfreeco/swift-issue-reporting at 1.5.2 (1.16s)
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/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/Heightmap
Working copy of https://github.com/heckj/Heightmap resolved at 0.6.4
Creating working copy for https://github.com/apple/swift-docc-plugin
Working copy of https://github.com/apple/swift-docc-plugin resolved at 1.4.3
[1/1] Compiling plugin Swift-DocC Preview
[2/2] Compiling plugin Swift-DocC
Building for debugging...
[2/13] Write sources
[6/13] Write swift-version-24593BA9C3E375BF.txt
[8/37] Emitting module Heightmap
[9/37] Compiling IssueReporting TestContext.swift
[10/37] Compiling IssueReporting Unimplemented.swift
[11/39] Compiling Heightmap XZIndex.swift
[12/39] Compiling Heightmap Heightmap.swift
[13/39] Compiling Heightmap Array+normalizeUnitValues.swift
[14/39] Compiling Heightmap Heightmap+normalize.swift
[15/40] Compiling IssueReporting BreakpointReporter.swift
[16/40] Compiling IssueReporting FatalErrorReporter.swift
[17/40] Wrapping AST for Heightmap for debugging
[19/40] Compiling IssueReporting WithExpectedIssue.swift
[20/40] Compiling IssueReporting WithIssueContext.swift
[21/40] Compiling IssueReporting ErrorReporting.swift
[22/40] Compiling IssueReporting AppHostWarning.swift
[23/40] Compiling IssueReporting Deprecations.swift
[24/40] Emitting module IssueReporting
[25/40] Compiling IssueReporting XCTest.swift
[26/40] Compiling IssueReporting IsTesting.swift
[27/40] Compiling IssueReporting IssueReporter.swift
[28/40] Compiling IssueReporting RuntimeWarningReporter.swift
[29/40] Compiling IssueReporting ReportIssue.swift
[30/40] Compiling IssueReporting FailureObserver.swift
[31/40] Compiling IssueReporting LockIsolated.swift
[32/40] Compiling IssueReporting Rethrows.swift
[33/40] Compiling IssueReporting SwiftTesting.swift
[34/40] Compiling IssueReporting UncheckedSendable.swift
[35/40] Compiling IssueReporting Warn.swift
[36/41] Wrapping AST for IssueReporting for debugging
[38/78] Compiling Voxels StrideIndexable.swift
[39/78] Compiling Voxels CompleteVertex+generateMeshDescriptor.swift
[40/78] Compiling Voxels CompleteVertex.swift
[41/78] Compiling Voxels SIMD2+lerp.swift
[42/78] Compiling Voxels Vector.swift
[43/83] Compiling Voxels VoxelAccessError.swift
[44/83] Compiling Voxels VoxelAccessible_VoxelBlockRenderable.swift
[45/83] Compiling Voxels VoxelBounds+Collection.swift
[46/83] Compiling Voxels VoxelBounds+Sequence.swift
[47/83] Compiling Voxels VoxelBounds+slice.swift
[48/83] Compiling Voxels VoxelArray+updating.swift
[49/83] Compiling Voxels VoxelArray.swift
[50/83] Compiling Voxels VoxelHash+Collection.swift
[51/83] Compiling Voxels VoxelHash+Sequence.swift
[52/83] Compiling Voxels VoxelHash+dump.swift
[53/83] Compiling Voxels HeightmapConverter.swift
[54/83] Compiling Voxels HeightmapError.swift
[55/83] Compiling Voxels VoxelAccessible.swift
[56/83] Compiling Voxels VoxelArray+Collection.swift
[57/83] Compiling Voxels VoxelArray+Sequence.swift
[58/83] Compiling Voxels VoxelHash+sample.swift
[59/83] Compiling Voxels VoxelHash+updating.swift
[60/83] Compiling Voxels VoxelHash.swift
[61/83] Compiling Voxels VoxelUpdate.swift
[62/83] Compiling Voxels Voxels.swift
[63/83] Compiling Voxels VoxelBounds.swift
[64/83] Compiling Voxels VoxelConstants.swift
[65/83] Compiling Voxels VoxelIndex+neighbors.swift
[66/83] Compiling Voxels VoxelIndex.swift
[67/83] Compiling Voxels VoxelScale.swift
[68/83] Compiling Voxels SurfaceNetRenderer.swift
[69/83] Compiling Voxels VoxelBlockRenderable.swift
[70/83] Compiling Voxels VoxelSurfaceRenderable.swift
[71/83] Compiling Voxels SDF.swift
[72/83] Compiling Voxels SampleMeshData.swift
[73/83] Emitting module Voxels
[74/83] Compiling Voxels GreedyBlockMesh.swift
[75/83] Compiling Voxels BlockMeshRenderer.swift
[76/83] Compiling Voxels MarchingCubes.swift
[77/83] Compiling Voxels MeshBuffer+meshDescriptor.swift
[78/83] Compiling Voxels MeshBuffer.swift
[79/83] Compiling Voxels SurfaceNetRenderer+utility.swift
[80/84] Wrapping AST for Voxels for debugging
[82/86] Emitting module example_bounds
[83/86] Compiling example_bounds example-bounds.swift
[84/87] Wrapping AST for example-bounds for debugging
[85/87] Write Objects.LinkFileList
[86/87] Linking example-bounds
Build complete! (73.06s)
Build complete.
{
  "dependencies" : [
    {
      "identity" : "heightmap",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.6.0",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/heckj/Heightmap"
    },
    {
      "identity" : "swift-issue-reporting",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.2.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/pointfreeco/swift-issue-reporting"
    },
    {
      "identity" : "swift-docc-plugin",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.0.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-docc-plugin"
    }
  ],
  "manifest_display_name" : "Voxels",
  "name" : "Voxels",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "16.0"
    },
    {
      "name" : "macos",
      "version" : "13.0"
    }
  ],
  "products" : [
    {
      "name" : "Voxels",
      "targets" : [
        "Voxels"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "example-bounds",
      "targets" : [
        "example-bounds"
      ],
      "type" : {
        "snippet" : null
      }
    }
  ],
  "swift_languages_versions" : [
    "6",
    "5"
  ],
  "targets" : [
    {
      "c99name" : "VoxelsTests",
      "module_type" : "SwiftTarget",
      "name" : "VoxelsTests",
      "path" : "Tests/VoxelsTests",
      "product_dependencies" : [
        "Heightmap"
      ],
      "sources" : [
        "HeightmapConversionTests.swift",
        "PerformanceTests/SurfaceNetPerformanceTests.swift",
        "RendererTests/BlockMeshRendererTests.swift",
        "RendererTests/MarchingCubesRendererTests.swift",
        "RendererTests/MeshBufferTests.swift",
        "RendererTests/SurfaceNetRendererTests.swift",
        "RendererTests/SurfaceNetRendererUtilityTests.swift",
        "SDFTests.swift",
        "VectorTests.swift",
        "VoxelAccessibleTests.swift",
        "VoxelArrayTests.swift",
        "VoxelBoundsSequenceTests.swift",
        "VoxelBoundsSliceTests.swift",
        "VoxelBoundsTests.swift",
        "VoxelHashTests.swift",
        "VoxelIndexTests.swift",
        "VoxelScaleTests.swift",
        "VoxelSurfaceTests.swift"
      ],
      "target_dependencies" : [
        "Voxels"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Voxels",
      "module_type" : "SwiftTarget",
      "name" : "Voxels",
      "path" : "Sources/Voxels",
      "product_dependencies" : [
        "Heightmap",
        "IssueReporting"
      ],
      "product_memberships" : [
        "Voxels",
        "example-bounds"
      ],
      "sources" : [
        "GreedyBlockMesh.swift",
        "Renderers/BlockMeshRenderer.swift",
        "Renderers/MarchingCubes.swift",
        "Renderers/MeshBuffer+meshDescriptor.swift",
        "Renderers/MeshBuffer.swift",
        "Renderers/SurfaceNetRenderer+utility.swift",
        "Renderers/SurfaceNetRenderer.swift",
        "Renderers/VoxelBlockRenderable.swift",
        "Renderers/VoxelSurfaceRenderable.swift",
        "SDF.swift",
        "SampleMeshData.swift",
        "StrideIndexable.swift",
        "Vertex/CompleteVertex+generateMeshDescriptor.swift",
        "Vertex/CompleteVertex.swift",
        "Vertex/SIMD2+lerp.swift",
        "Vertex/Vector.swift",
        "VoxelAccessError.swift",
        "VoxelAccessible_VoxelBlockRenderable.swift",
        "VoxelBounds+Collection.swift",
        "VoxelBounds+Sequence.swift",
        "VoxelBounds+slice.swift",
        "VoxelBounds.swift",
        "VoxelConstants.swift",
        "VoxelIndex+neighbors.swift",
        "VoxelIndex.swift",
        "VoxelScale.swift",
        "VoxelStorage/HeightmapConverter.swift",
        "VoxelStorage/HeightmapError.swift",
        "VoxelStorage/VoxelAccessible.swift",
        "VoxelStorage/VoxelArray+Collection.swift",
        "VoxelStorage/VoxelArray+Sequence.swift",
        "VoxelStorage/VoxelArray+updating.swift",
        "VoxelStorage/VoxelArray.swift",
        "VoxelStorage/VoxelHash+Collection.swift",
        "VoxelStorage/VoxelHash+Sequence.swift",
        "VoxelStorage/VoxelHash+dump.swift",
        "VoxelStorage/VoxelHash+sample.swift",
        "VoxelStorage/VoxelHash+updating.swift",
        "VoxelStorage/VoxelHash.swift",
        "VoxelStorage/VoxelUpdate.swift",
        "Voxels.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "example_bounds",
      "module_type" : "SwiftTarget",
      "name" : "example-bounds",
      "path" : "Snippets",
      "product_memberships" : [
        "example-bounds"
      ],
      "sources" : [
        "example-bounds.swift"
      ],
      "target_dependencies" : [
        "Voxels"
      ],
      "type" : "snippet"
    }
  ],
  "tools_version" : "5.8"
}
basic-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:3bdcac04179f4ed3e5b8e9dbd6e74bbf5ebc0f4fde48bbaad7d1e5c757e65bcb
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.1-latest
Done.