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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 SwiftSessions, reference main (d10cac), with Swift 5.10 for macOS (SPM) on 22 Apr 2025 20:27:41 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
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Builder version: 4.60.2
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/alessiorubicini/SwiftSessions.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/alessiorubicini/SwiftSessions
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at d10caca Updated README
Cloned https://github.com/alessiorubicini/SwiftSessions.git
Revision (git rev-parse @):
d10cacac995c45952a00cdb899f2c897a2c49ba0
SUCCESS checkout https://github.com/alessiorubicini/SwiftSessions.git at main
========================================
Build
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Selected platform:         macosSpm
Swift version:             5.10
Building package at path:  $PWD
https://github.com/alessiorubicini/SwiftSessions.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-15.4.0.app xcrun swift build --arch arm64
Building for debugging...
[0/6] Write sources
[5/6] Write swift-version-33747A42983211AE.txt
[7/24] Compiling InternalCollectionsUtilities Debugging.swift
[8/24] Compiling InternalCollectionsUtilities Descriptions.swift
[9/24] Compiling InternalCollectionsUtilities RandomAccessCollection+Offsets.swift
[10/24] Compiling InternalCollectionsUtilities Specialize.swift
[11/24] Compiling InternalCollectionsUtilities UnsafeBufferPointer+Extras.swift
[12/24] Compiling InternalCollectionsUtilities _SortedCollection.swift
[13/24] Compiling InternalCollectionsUtilities _UniqueCollection.swift
[14/25] Compiling InternalCollectionsUtilities UnsafeMutableBufferPointer+Extras.swift
[15/25] Compiling InternalCollectionsUtilities UInt+reversed.swift
[16/25] Compiling InternalCollectionsUtilities _UnsafeBitSet+Index.swift
[17/25] Compiling InternalCollectionsUtilities Integer rank.swift
[18/25] Compiling InternalCollectionsUtilities UInt+first and last set bit.swift
[19/25] Compiling InternalCollectionsUtilities UnsafeMutableBufferPointer+SE-0370.swift
[20/25] Compiling InternalCollectionsUtilities UnsafeMutablePointer+SE-0370.swift
[21/25] Compiling InternalCollectionsUtilities UnsafeRawPointer extensions.swift
[22/25] Compiling InternalCollectionsUtilities FixedWidthInteger+roundUpToPowerOfTwo.swift
[23/25] Emitting module InternalCollectionsUtilities
[24/25] Compiling InternalCollectionsUtilities _UnsafeBitSet+_Word.swift
[25/25] Compiling InternalCollectionsUtilities _UnsafeBitSet.swift
[26/97] Compiling DequeModule _DequeBufferHeader.swift
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[29/98] Compiling OrderedCollections OrderedSet+Partial SetAlgebra isStrictSubset.swift
[30/98] Compiling OrderedCollections OrderedSet+Partial SetAlgebra isStrictSuperset.swift
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[37/98] Compiling OrderedCollections OrderedSet+Partial SetAlgebra formUnion.swift
[38/98] Compiling OrderedCollections OrderedSet+Partial SetAlgebra intersection.swift
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[40/98] Compiling OrderedCollections OrderedSet+Partial SetAlgebra isEqualSet.swift
[41/98] Compiling OrderedCollections OrderedSet+Codable.swift
[42/98] Compiling OrderedCollections OrderedSet+CustomReflectable.swift
[43/98] Compiling OrderedCollections OrderedSet+Descriptions.swift
[44/98] Compiling OrderedCollections OrderedSet+Diffing.swift
[45/98] Compiling OrderedCollections OrderedSet+Equatable.swift
[46/98] Compiling OrderedCollections OrderedSet+ExpressibleByArrayLiteral.swift
[47/98] Compiling OrderedCollections OrderedSet+Partial SetAlgebra symmetricDifference.swift
[48/98] Compiling OrderedCollections OrderedSet+Partial SetAlgebra union.swift
[49/98] Compiling OrderedCollections OrderedSet+Partial SetAlgebra+Basics.swift
[50/98] Compiling OrderedCollections OrderedSet+RandomAccessCollection.swift
[51/98] Compiling OrderedCollections OrderedSet+ReserveCapacity.swift
[52/98] Compiling OrderedCollections OrderedSet+Sendable.swift
[53/104] Compiling OrderedCollections OrderedDictionary+Equatable.swift
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[55/104] Compiling OrderedCollections _HashTable.swift
[56/104] Compiling OrderedCollections OrderedDictionary+Elements.swift
[57/104] Compiling OrderedCollections _HashTable+Constants.swift
[58/104] Compiling OrderedCollections _HashTable+CustomStringConvertible.swift
[59/104] Compiling OrderedCollections _HashTable+Bucket.swift
[60/104] Compiling OrderedCollections _HashTable+BucketIterator.swift
[61/104] Compiling DequeModule _DequeBuffer.swift
[62/104] Compiling OrderedCollections OrderedDictionary+Hashable.swift
[63/104] Compiling OrderedCollections OrderedDictionary+Initializers.swift
[64/104] Compiling OrderedCollections OrderedSet+Hashable.swift
[65/104] Compiling OrderedCollections OrderedSet+Initializers.swift
[66/104] Compiling OrderedCollections OrderedSet+Insertions.swift
[67/104] Compiling OrderedCollections OrderedSet+Invariants.swift
[68/104] Compiling OrderedCollections OrderedSet+Partial MutableCollection.swift
[69/104] Compiling OrderedCollections OrderedSet+Partial RangeReplaceableCollection.swift
[75/104] Compiling OrderedCollections OrderedDictionary+Invariants.swift
[76/104] Compiling OrderedCollections _Hashtable+Header.swift
[77/104] Compiling OrderedCollections OrderedDictionary+Codable.swift
[78/104] Compiling OrderedCollections OrderedDictionary+CustomReflectable.swift
[79/104] Compiling OrderedCollections OrderedDictionary+Deprecations.swift
[80/104] Compiling OrderedCollections OrderedDictionary+Descriptions.swift
[81/104] Compiling OrderedCollections OrderedDictionary+Elements.SubSequence.swift
[82/104] Compiling OrderedCollections OrderedDictionary+Partial MutableCollection.swift
[83/104] Compiling OrderedCollections OrderedDictionary+Partial RangeReplaceableCollection.swift
[84/104] Compiling OrderedCollections OrderedDictionary+Sendable.swift
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[87/104] Compiling OrderedCollections OrderedDictionary.swift
[88/104] Compiling OrderedCollections _HashTable+Testing.swift
[89/104] Compiling OrderedCollections _HashTable+UnsafeHandle.swift
[90/104] Emitting module DequeModule
[98/104] Compiling OrderedCollections OrderedSet+SubSequence.swift
[99/104] Compiling OrderedCollections OrderedSet+Testing.swift
[100/104] Compiling OrderedCollections OrderedSet+UnorderedView.swift
[101/104] Compiling OrderedCollections OrderedSet+UnstableInternals.swift
[102/104] Compiling OrderedCollections OrderedSet.swift
[103/104] Compiling OrderedCollections _UnsafeBitset.swift
[104/104] Emitting module OrderedCollections
[105/150] Emitting module AsyncAlgorithms
[106/155] Compiling AsyncAlgorithms AsyncChunkedOnProjectionSequence.swift
[107/155] Compiling AsyncAlgorithms AsyncChunksOfCountOrSignalSequence.swift
[108/155] Compiling AsyncAlgorithms AsyncChunksOfCountSequence.swift
[109/155] Compiling AsyncAlgorithms AsyncCompactedSequence.swift
[110/155] Compiling AsyncAlgorithms AsyncExclusiveReductionsSequence.swift
[111/155] Compiling AsyncAlgorithms AsyncThrowingChannel.swift
[112/155] Compiling AsyncAlgorithms ChannelStateMachine.swift
[113/155] Compiling AsyncAlgorithms ChannelStorage.swift
[114/155] Compiling AsyncAlgorithms AsyncCombineLatest2Sequence.swift
[115/155] Compiling AsyncAlgorithms AsyncCombineLatest3Sequence.swift
[116/155] Compiling AsyncAlgorithms BoundedBufferStateMachine.swift
[117/155] Compiling AsyncAlgorithms BoundedBufferStorage.swift
[118/155] Compiling AsyncAlgorithms UnboundedBufferStateMachine.swift
[119/155] Compiling AsyncAlgorithms UnboundedBufferStorage.swift
[120/155] Compiling AsyncAlgorithms AsyncChannel.swift
[121/155] Compiling AsyncAlgorithms AsyncAdjacentPairsSequence.swift
[122/155] Compiling AsyncAlgorithms AsyncBufferedByteIterator.swift
[123/155] Compiling AsyncAlgorithms AsyncChain2Sequence.swift
[124/155] Compiling AsyncAlgorithms AsyncChain3Sequence.swift
[125/155] Compiling AsyncAlgorithms AsyncChunkedByGroupSequence.swift
[126/155] Compiling AsyncAlgorithms MergeStateMachine.swift
[127/155] Compiling AsyncAlgorithms MergeStorage.swift
[128/155] Compiling AsyncAlgorithms RangeReplaceableCollection.swift
[129/155] Compiling AsyncAlgorithms Rethrow.swift
[130/155] Compiling AsyncAlgorithms SetAlgebra.swift
[131/155] Compiling AsyncAlgorithms AsyncInclusiveReductionsSequence.swift
[132/155] Compiling AsyncAlgorithms AsyncJoinedBySeparatorSequence.swift
[133/155] Compiling AsyncAlgorithms AsyncJoinedSequence.swift
[134/155] Compiling AsyncAlgorithms AsyncRemoveDuplicatesSequence.swift
[135/155] Compiling AsyncAlgorithms AsyncSyncSequence.swift
[136/155] Compiling AsyncAlgorithms UnsafeTransfer.swift
[137/155] Compiling AsyncAlgorithms AsyncZip2Sequence.swift
[138/155] Compiling AsyncAlgorithms AsyncZip3Sequence.swift
[139/155] Compiling AsyncAlgorithms ZipStateMachine.swift
[140/155] Compiling AsyncAlgorithms ZipStorage.swift
[141/155] Compiling AsyncAlgorithms AsyncThrottleSequence.swift
[142/155] Compiling AsyncAlgorithms AsyncThrowingExclusiveReductionsSequence.swift
[143/155] Compiling AsyncAlgorithms AsyncThrowingInclusiveReductionsSequence.swift
[144/155] Compiling AsyncAlgorithms AsyncTimerSequence.swift
[145/155] Compiling AsyncAlgorithms AsyncBufferSequence.swift
[146/155] Compiling AsyncAlgorithms Dictionary.swift
[147/155] Compiling AsyncAlgorithms AsyncInterspersedSequence.swift
[148/155] Compiling AsyncAlgorithms Locking.swift
[149/155] Compiling AsyncAlgorithms AsyncMerge2Sequence.swift
[150/155] Compiling AsyncAlgorithms AsyncMerge3Sequence.swift
[151/155] Compiling AsyncAlgorithms CombineLatestStateMachine.swift
[152/155] Compiling AsyncAlgorithms CombineLatestStorage.swift
[153/155] Compiling AsyncAlgorithms AsyncDebounceSequence.swift
[154/155] Compiling AsyncAlgorithms DebounceStateMachine.swift
[155/155] Compiling AsyncAlgorithms DebounceStorage.swift
[156/164] Compiling SwiftSessions Session+Passing.swift
[157/164] Compiling SwiftSessions Session.swift
[158/164] Compiling SwiftSessions Server.swift
[159/164] Compiling SwiftSessions Endpoint.swift
[160/164] Compiling SwiftSessions Empty.swift
[161/164] Compiling SwiftSessions Or.swift
[162/164] Emitting module SwiftSessions
[163/164] Compiling SwiftSessions Client.swift
[164/164] Compiling SwiftSessions Session+Closures.swift
Build complete! (13.81s)
Fetching https://github.com/apple/swift-async-algorithms
[1/4963] Fetching swift-async-algorithms
Fetched https://github.com/apple/swift-async-algorithms from cache (1.40s)
Computing version for https://github.com/apple/swift-async-algorithms
Computed https://github.com/apple/swift-async-algorithms at 1.0.3 (0.38s)
Fetching https://github.com/apple/swift-collections.git
[1/16175] Fetching swift-collections
Fetched https://github.com/apple/swift-collections.git from cache (1.74s)
Computing version for https://github.com/apple/swift-collections.git
Computed https://github.com/apple/swift-collections.git at 1.1.4 (2.79s)
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-async-algorithms
Working copy of https://github.com/apple/swift-async-algorithms resolved at 1.0.3
Build complete.
{
  "dependencies" : [
    {
      "identity" : "swift-async-algorithms",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.0.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-async-algorithms"
    }
  ],
  "manifest_display_name" : "SwiftSessions",
  "name" : "SwiftSessions",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.15"
    },
    {
      "name" : "ios",
      "version" : "14.0"
    },
    {
      "name" : "watchos",
      "version" : "6.0"
    },
    {
      "name" : "tvos",
      "version" : "14.0"
    }
  ],
  "products" : [
    {
      "name" : "SwiftSessions",
      "targets" : [
        "SwiftSessions"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SwiftSessionsTests",
      "module_type" : "SwiftTarget",
      "name" : "SwiftSessionsTests",
      "path" : "Tests",
      "product_dependencies" : [
        "AsyncAlgorithms"
      ],
      "sources" : [
        "BranchingTests.swift",
        "LinearityTests.swift",
        "LoopTests.swift",
        "MathTests.swift",
        "StandardTests.swift"
      ],
      "target_dependencies" : [
        "SwiftSessions"
      ],
      "type" : "test"
    },
    {
      "c99name" : "SwiftSessions",
      "module_type" : "SwiftTarget",
      "name" : "SwiftSessions",
      "path" : "Sources/SwiftSessions",
      "product_dependencies" : [
        "AsyncAlgorithms"
      ],
      "product_memberships" : [
        "SwiftSessions"
      ],
      "sources" : [
        "Client.swift",
        "Empty.swift",
        "Endpoint.swift",
        "Or.swift",
        "Server.swift",
        "Session/Session+Closures.swift",
        "Session/Session+Passing.swift",
        "Session/Session.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.10"
}
Done.