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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 swift-priority-heap, reference 0.6.0 (acb7b3), with Swift 6.1 for Linux on 28 Apr 2025 13:34:23 UTC.

Swift 6 data race errors: 0

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/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 -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 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/JadenGeller/swift-priority-heap.git
Reference: 0.6.0
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/JadenGeller/swift-priority-heap
 * tag               0.6.0      -> FETCH_HEAD
HEAD is now at acb7b33 Fix incorrect module name
Cloned https://github.com/JadenGeller/swift-priority-heap.git
Revision (git rev-parse @):
acb7b3359ab6d55d22e26f44390b4280ee2e8fdc
SUCCESS checkout https://github.com/JadenGeller/swift-priority-heap.git at 0.6.0
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.1
Building package at path:  $PWD
https://github.com/JadenGeller/swift-priority-heap.git
https://github.com/JadenGeller/swift-priority-heap.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
    {
      "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"
    },
    {
      "identity" : "swift-collections",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.1.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-collections.git"
    }
  ],
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  "name" : "swift-priority-heap",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "PriorityHeapModule",
      "targets" : [
        "PriorityHeapModule"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "PriorityHeapAlgorithms",
      "targets" : [
        "PriorityHeapAlgorithms"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "PriorityHeapModule",
      "module_type" : "SwiftTarget",
      "name" : "PriorityHeapModule",
      "path" : "Sources/PriorityHeapModule",
      "product_dependencies" : [
        "HeapModule"
      ],
      "product_memberships" : [
        "PriorityHeapModule",
        "PriorityHeapAlgorithms"
      ],
      "sources" : [
        "Prioritizable.swift",
        "PriorityHeap.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "PriorityHeapAlgorithmsTests",
      "module_type" : "SwiftTarget",
      "name" : "PriorityHeapAlgorithmsTests",
      "path" : "Tests/PriorityHeapAlgorithmsTests",
      "sources" : [
        "ComparisonTests.swift",
        "LimitedCapacityTests.swift",
        "PriorityHeapAlgorithmsTestHelpers.swift",
        "SequenceTests.swift"
      ],
      "target_dependencies" : [
        "PriorityHeapAlgorithms"
      ],
      "type" : "test"
    },
    {
      "c99name" : "PriorityHeapAlgorithms",
      "module_type" : "SwiftTarget",
      "name" : "PriorityHeapAlgorithms",
      "path" : "Sources/PriorityHeapAlgorithms",
      "product_memberships" : [
        "PriorityHeapAlgorithms"
      ],
      "sources" : [
        "LimitedCapacity.swift",
        "MergedOperations.swift",
        "Sequence.swift"
      ],
      "target_dependencies" : [
        "PriorityHeapModule"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.9"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/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 -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 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-collections.git
Fetching https://github.com/apple/swift-docc-plugin
[1/2049] Fetching swift-docc-plugin
[1046/18291] Fetching swift-docc-plugin, swift-collections
Fetched https://github.com/apple/swift-docc-plugin from cache (1.50s)
Fetched https://github.com/apple/swift-collections.git from cache (1.53s)
Computing version for https://github.com/apple/swift-collections.git
Computed https://github.com/apple/swift-collections.git at 1.1.4 (3.98s)
Computing version for https://github.com/apple/swift-docc-plugin
Computed https://github.com/apple/swift-docc-plugin at 1.4.3 (0.59s)
Fetching https://github.com/swiftlang/swift-docc-symbolkit
[1/3377] Fetching swift-docc-symbolkit
Fetched https://github.com/swiftlang/swift-docc-symbolkit from cache (0.35s)
Computing version for https://github.com/swiftlang/swift-docc-symbolkit
Computed https://github.com/swiftlang/swift-docc-symbolkit at 1.0.0 (1.00s)
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/apple/swift-collections.git
Working copy of https://github.com/apple/swift-collections.git resolved at 1.1.4
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...
[2/7] Write sources
[6/7] Write swift-version-24593BA9C3E375BF.txt
[8/24] Emitting module InternalCollectionsUtilities
[9/26] Compiling InternalCollectionsUtilities _UnsafeBitSet+_Word.swift
[10/26] Compiling InternalCollectionsUtilities _UnsafeBitSet.swift
[11/26] Compiling InternalCollectionsUtilities FixedWidthInteger+roundUpToPowerOfTwo.swift
[12/26] Compiling InternalCollectionsUtilities Integer rank.swift
[13/26] Compiling InternalCollectionsUtilities UInt+first and last set bit.swift
[14/26] Compiling InternalCollectionsUtilities UInt+reversed.swift
[15/26] Compiling InternalCollectionsUtilities _UnsafeBitSet+Index.swift
[16/26] Compiling InternalCollectionsUtilities Debugging.swift
[17/26] Compiling InternalCollectionsUtilities Descriptions.swift
[18/26] Compiling InternalCollectionsUtilities RandomAccessCollection+Offsets.swift
[19/26] Compiling InternalCollectionsUtilities Specialize.swift
[20/26] Compiling InternalCollectionsUtilities _SortedCollection.swift
[21/26] Compiling InternalCollectionsUtilities _UniqueCollection.swift
[22/26] Compiling InternalCollectionsUtilities UnsafeMutableBufferPointer+SE-0370.swift
[23/26] Compiling InternalCollectionsUtilities UnsafeMutablePointer+SE-0370.swift
[24/26] Compiling InternalCollectionsUtilities UnsafeRawPointer extensions.swift
[25/26] Compiling InternalCollectionsUtilities UnsafeBufferPointer+Extras.swift
[26/26] Compiling InternalCollectionsUtilities UnsafeMutableBufferPointer+Extras.swift
[28/34] Compiling HeapModule _HeapNode.swift
[29/34] Compiling HeapModule Heap.swift
[30/34] Compiling HeapModule Heap+UnsafeHandle.swift
[31/34] Compiling HeapModule Heap+Invariants.swift
[32/34] Compiling HeapModule Heap+Descriptions.swift
[33/34] Compiling HeapModule Heap+ExpressibleByArrayLiteral.swift
[34/34] Emitting module HeapModule
[36/38] Emitting module PriorityHeapModule
[37/38] Compiling PriorityHeapModule Prioritizable.swift
[38/38] Compiling PriorityHeapModule PriorityHeap.swift
[40/43] Compiling PriorityHeapAlgorithms Sequence.swift
[41/43] Compiling PriorityHeapAlgorithms MergedOperations.swift
[42/43] Emitting module PriorityHeapAlgorithms
[43/43] Compiling PriorityHeapAlgorithms LimitedCapacity.swift
Build complete! (30.50s)
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/apple/swift-docc-plugin"
    },
    {
      "identity" : "swift-collections",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.1.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-collections.git"
    }
  ],
  "manifest_display_name" : "swift-priority-heap",
  "name" : "swift-priority-heap",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
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  "products" : [
    {
      "name" : "PriorityHeapModule",
      "targets" : [
        "PriorityHeapModule"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "PriorityHeapAlgorithms",
      "targets" : [
        "PriorityHeapAlgorithms"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "PriorityHeapModule",
      "module_type" : "SwiftTarget",
      "name" : "PriorityHeapModule",
      "path" : "Sources/PriorityHeapModule",
      "product_dependencies" : [
        "HeapModule"
      ],
      "product_memberships" : [
        "PriorityHeapModule",
        "PriorityHeapAlgorithms"
      ],
      "sources" : [
        "Prioritizable.swift",
        "PriorityHeap.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "PriorityHeapAlgorithmsTests",
      "module_type" : "SwiftTarget",
      "name" : "PriorityHeapAlgorithmsTests",
      "path" : "Tests/PriorityHeapAlgorithmsTests",
      "sources" : [
        "ComparisonTests.swift",
        "LimitedCapacityTests.swift",
        "PriorityHeapAlgorithmsTestHelpers.swift",
        "SequenceTests.swift"
      ],
      "target_dependencies" : [
        "PriorityHeapAlgorithms"
      ],
      "type" : "test"
    },
    {
      "c99name" : "PriorityHeapAlgorithms",
      "module_type" : "SwiftTarget",
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      "path" : "Sources/PriorityHeapAlgorithms",
      "product_memberships" : [
        "PriorityHeapAlgorithms"
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      "sources" : [
        "LimitedCapacity.swift",
        "MergedOperations.swift",
        "Sequence.swift"
      ],
      "target_dependencies" : [
        "PriorityHeapModule"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.9"
}
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.