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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

Failed to build Hylo, reference main (095194), with Swift 6.0 for Linux on 29 Apr 2025 12:38:57 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.0-latest swift build --triple x86_64-unknown-linux-gnu 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.61.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/hylo-lang/hylo.git
Reference: main
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/hylo-lang/hylo
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 0951941 Merge pull request #1682 from hylo-lang/fix-1679
Submodule path 'SPMBuildToolSupport': checked out '7c0a5c10ccacf066163c36e2cfcba65c7a21e956'
Submodule 'SPMBuildToolSupport' (https://github.com/dabrahams/SPMBuildToolSupport.git) registered for path 'SPMBuildToolSupport'
Cloning into '/host/spi-builder-workspace/SPMBuildToolSupport'...
Cloned https://github.com/hylo-lang/hylo.git
Revision (git rev-parse @):
0951941a8130322d3130f412e03ed47d38e386e0
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/hylo-lang/hylo.git at main
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.0
Building package at path:  $PWD
https://github.com/hylo-lang/hylo.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.0-latest swift build --triple x86_64-unknown-linux-gnu 2>&1
basic-6.0-latest: Pulling from finestructure/spi-images
Digest: sha256:9029076bb687edc160a3d5201c89e92dd9fa7309f33f090c4234365c83366c31
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.0-latest
Fetching https://github.com/hylo-lang/Swifty-LLVM
[1/3053] Fetching swifty-llvm
Fetched https://github.com/hylo-lang/Swifty-LLVM from cache (0.24s)
Fetching https://github.com/SwiftPackageIndex/SPIManifest.git
Fetching https://github.com/attaswift/BigInt.git
Fetching https://github.com/hylo-lang/Durian.git
Fetching https://github.com/apple/swift-collections.git
Fetching https://github.com/apple/swift-algorithms.git
Fetching https://github.com/apple/swift-format
[1/4771] Fetching bigint
[2/4912] Fetching bigint, durian
[333/5770] Fetching bigint, durian, spimanifest
[1955/11673] Fetching bigint, durian, spimanifest, swift-algorithms
[2110/23644] Fetching bigint, durian, spimanifest, swift-algorithms, swift-format
Fetched https://github.com/hylo-lang/Durian.git from cache (0.33s)
[7801/23503] Fetching bigint, spimanifest, swift-algorithms, swift-format
Fetching https://github.com/apple/swift-argument-parser.git
Fetched https://github.com/SwiftPackageIndex/SPIManifest.git from cache (0.34s)
[7821/22645] Fetching bigint, swift-algorithms, swift-format
Fetched https://github.com/apple/swift-algorithms.git from cache (0.73s)
Fetched https://github.com/apple/swift-format from cache (0.73s)
[1/14950] Fetching swift-argument-parser
[12260/31219] Fetching swift-argument-parser, swift-collections
Fetched https://github.com/apple/swift-argument-parser.git from cache (0.94s)
[5044/16269] Fetching swift-collections
Fetched https://github.com/attaswift/BigInt.git from cache (1.89s)
Fetched https://github.com/apple/swift-collections.git from cache (1.91s)
Computing version for https://github.com/apple/swift-format
Computed https://github.com/apple/swift-format at 508.0.1 (0.81s)
Fetching https://github.com/apple/swift-syntax.git
Fetching https://github.com/apple/swift-tools-support-core.git
[1/6718] Fetching swift-tools-support-core
[6719/76963] Fetching swift-tools-support-core, swift-syntax
Fetched https://github.com/apple/swift-tools-support-core.git from cache (4.92s)
Fetched https://github.com/apple/swift-syntax.git from cache (4.97s)
Computing version for https://github.com/hylo-lang/Durian.git
Computed https://github.com/hylo-lang/Durian.git at 1.2.1 (0.65s)
Computing version for https://github.com/apple/swift-algorithms.git
Computed https://github.com/apple/swift-algorithms.git at 1.2.1 (0.68s)
Fetching https://github.com/apple/swift-numerics.git
[1/5674] Fetching swift-numerics
Fetched https://github.com/apple/swift-numerics.git from cache (1.68s)
Computing version for https://github.com/apple/swift-syntax.git
Computed https://github.com/apple/swift-syntax.git at 508.0.1 (3.05s)
Computing version for https://github.com/apple/swift-numerics.git
Computed https://github.com/apple/swift-numerics.git at 1.0.3 (3.86s)
Computing version for https://github.com/attaswift/BigInt.git
Computed https://github.com/attaswift/BigInt.git at 5.5.1 (0.67s)
Computing version for https://github.com/apple/swift-argument-parser.git
Computed https://github.com/apple/swift-argument-parser.git at 1.5.0 (0.65s)
Computing version for https://github.com/apple/swift-tools-support-core.git
Computed https://github.com/apple/swift-tools-support-core.git at 0.7.2 (0.76s)
Computing version for https://github.com/SwiftPackageIndex/SPIManifest.git
Computed https://github.com/SwiftPackageIndex/SPIManifest.git at 0.19.0 (0.70s)
Fetching https://github.com/jpsim/Yams.git
[1/10445] Fetching yams
Fetched https://github.com/jpsim/Yams.git from cache (1.13s)
Computing version for https://github.com/apple/swift-collections.git
Computed https://github.com/apple/swift-collections.git at 1.1.4 (1.12s)
Computing version for https://github.com/jpsim/Yams.git
Computed https://github.com/jpsim/Yams.git at 5.3.1 (0.72s)
Creating working copy for https://github.com/apple/swift-format
Working copy of https://github.com/apple/swift-format resolved at 508.0.1
Creating working copy for https://github.com/apple/swift-tools-support-core.git
Working copy of https://github.com/apple/swift-tools-support-core.git resolved at 0.7.2
Creating working copy for https://github.com/hylo-lang/Swifty-LLVM
Working copy of https://github.com/hylo-lang/Swifty-LLVM resolved at main (5095674)
Creating working copy for https://github.com/attaswift/BigInt.git
Working copy of https://github.com/attaswift/BigInt.git resolved at 5.5.1
Creating working copy for https://github.com/jpsim/Yams.git
Working copy of https://github.com/jpsim/Yams.git resolved at 5.3.1
Creating working copy for https://github.com/apple/swift-argument-parser.git
Working copy of https://github.com/apple/swift-argument-parser.git resolved at 1.5.0
Creating working copy for https://github.com/apple/swift-numerics.git
Working copy of https://github.com/apple/swift-numerics.git resolved at 1.0.3
Creating working copy for https://github.com/apple/swift-syntax.git
Working copy of https://github.com/apple/swift-syntax.git resolved at 508.0.1
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/hylo-lang/Durian.git
Working copy of https://github.com/hylo-lang/Durian.git resolved at 1.2.1
Creating working copy for https://github.com/SwiftPackageIndex/SPIManifest.git
Working copy of https://github.com/SwiftPackageIndex/SPIManifest.git resolved at 0.19.0
Creating working copy for https://github.com/apple/swift-algorithms.git
Working copy of https://github.com/apple/swift-algorithms.git resolved at 1.2.1
warning: couldn't find pc file for llvm
Building for debugging...
[0/34] Write sources
[15/34] Compiling _NumericsShims _NumericsShims.c
[16/34] Write swift-version-24593BA9C3E375BF.txt
[18/84] Emitting module ArgumentParserToolInfo
[19/84] Emitting module BigInt
[20/86] Compiling InternalCollectionsUtilities RandomAccessCollection+Offsets.swift
[21/86] Compiling InternalCollectionsUtilities Specialize.swift
[22/88] Emitting module RealModule
[23/88] Compiling RealModule AlgebraicField.swift
[24/88] Compiling RealModule ApproximateEquality.swift
[27/89] Compiling RealModule AugmentedArithmetic.swift
[28/89] Emitting module InternalCollectionsUtilities
[29/89] Compiling RealModule RealFunctions.swift
[30/89] Compiling RealModule ElementaryFunctions.swift
[32/89] Compiling RealModule Double+Real.swift
[33/89] Compiling RealModule Float+Real.swift
[34/89] Compiling RealModule Float80+Real.swift
[35/89] Compiling RealModule Float16+Real.swift
[36/89] Compiling RealModule Real.swift
[40/89] Compiling InternalCollectionsUtilities UnsafeMutableBufferPointer+SE-0370.swift
[41/89] Compiling InternalCollectionsUtilities UnsafeMutablePointer+SE-0370.swift
[42/89] Compiling InternalCollectionsUtilities UnsafeRawPointer extensions.swift
[44/89] Compiling InternalCollectionsUtilities _UnsafeBitSet+Index.swift
[45/90] Compiling InternalCollectionsUtilities UnsafeBufferPointer+Extras.swift
[46/90] Compiling InternalCollectionsUtilities UnsafeMutableBufferPointer+Extras.swift
[47/90] Compiling InternalCollectionsUtilities _UnsafeBitSet+_Word.swift
[48/90] Compiling InternalCollectionsUtilities _UnsafeBitSet.swift
[49/90] Compiling InternalCollectionsUtilities _SortedCollection.swift
[50/90] Compiling InternalCollectionsUtilities _UniqueCollection.swift
[51/90] Compiling InternalCollectionsUtilities Debugging.swift
[52/90] Compiling InternalCollectionsUtilities Descriptions.swift
[54/91] Wrapping AST for RealModule for debugging
[56/91] Compiling ArgumentParserToolInfo ToolInfo.swift
[57/92] Compiling BigInt Subtraction.swift
[58/92] Compiling BigInt Words and Bits.swift
[60/304] Compiling HeapModule Heap+ExpressibleByArrayLiteral.swift
[61/338] Compiling HeapModule Heap+Descriptions.swift
[62/338] Compiling HeapModule _HeapNode.swift
[63/391] Compiling HeapModule Heap.swift
[64/391] Compiling BitCollections BitArray+Copy.swift
[65/391] Compiling BitCollections BitArray+CustomReflectable.swift
[66/393] Compiling HeapModule Heap+Invariants.swift
[67/393] Compiling HeapModule Heap+UnsafeHandle.swift
[68/393] Emitting module HeapModule
[69/394] Compiling BitCollections BitArray+Extras.swift
[70/394] Compiling BitCollections BitArray+Fill.swift
[71/394] Compiling BitCollections BitArray+Hashable.swift
[72/394] Compiling BitCollections BitArray+Initializers.swift
[74/394] Compiling BitCollections BitArray+Invariants.swift
[75/394] Compiling BitCollections BitArray+LosslessStringConvertible.swift
[76/394] Compiling BitCollections BitSet+SetAlgebra intersection.swift
[77/394] Compiling BitCollections BitSet+SetAlgebra isDisjoint.swift
[78/394] Compiling BitCollections BitSet+SetAlgebra isEqualSet.swift
[79/394] Compiling BitCollections BitSet+SetAlgebra isStrictSubset.swift
[80/394] Compiling BitCollections BitSet+SetAlgebra isStrictSuperset.swift
[81/394] Compiling BitCollections BitSet+SetAlgebra isSubset.swift
[82/394] Compiling BitCollections BitSet+SetAlgebra isSuperset.swift
[83/401] Compiling HashTreeCollections TreeSet+Hashable.swift
[84/401] Compiling HashTreeCollections TreeSet+Sendable.swift
[85/401] Compiling HashTreeCollections TreeSet+Sequence.swift
[86/401] Compiling HashTreeCollections TreeSet+SetAlgebra Initializers.swift
[87/401] Compiling HashTreeCollections TreeSet+SetAlgebra basics.swift
[88/401] Compiling HashTreeCollections TreeSet+SetAlgebra formIntersection.swift
[89/401] Compiling HashTreeCollections TreeSet+SetAlgebra formSymmetricDifference.swift
[90/401] Compiling HashTreeCollections TreeSet+SetAlgebra formUnion.swift
[91/401] Compiling HashTreeCollections TreeSet+SetAlgebra intersection.swift
[92/401] Compiling HashTreeCollections TreeSet+SetAlgebra isDisjoint.swift
[93/449] Compiling ArgumentParser CommandParser.swift
[94/449] Compiling ArgumentParser InputKey.swift
[95/449] Compiling ArgumentParser InputOrigin.swift
[96/449] Compiling ArgumentParser Name.swift
[97/449] Compiling ArgumentParser Parsed.swift
[98/449] Compiling ArgumentParser ParsedValues.swift
[99/449] Compiling ArgumentParser ParserError.swift
[100/456] Compiling ArgumentParser CommandConfiguration.swift
[101/456] Compiling ArgumentParser CommandGroup.swift
[102/456] Compiling ArgumentParser BashCompletionsGenerator.swift
[103/456] Compiling ArgumentParser CompletionsGenerator.swift
[104/456] Compiling ArgumentParser SplitArguments.swift
[105/456] Compiling ArgumentParser DumpHelpGenerator.swift
[106/456] Compiling ArgumentParser HelpCommand.swift
[107/456] Compiling ArgumentParser HelpGenerator.swift
[108/456] Compiling ArgumentParser MessageInfo.swift
[109/456] Compiling ArgumentParser UsageGenerator.swift
[110/456] Compiling BitCollections BitSet+SetAlgebra formSymmetricDifference.swift
[111/456] Compiling ArgumentParser Errors.swift
[112/456] Compiling ArgumentParser Flag.swift
[113/456] Compiling ArgumentParser NameSpecification.swift
[114/456] Compiling ArgumentParser Option.swift
[117/456] Compiling ArgumentParser FishCompletionsGenerator.swift
[118/456] Compiling ArgumentParser ZshCompletionsGenerator.swift
[119/456] Compiling ArgumentParser Argument.swift
[120/456] Compiling ArgumentParser ArgumentHelp.swift
[121/456] Compiling ArgumentParser ArgumentVisibility.swift
[122/456] Compiling ArgumentParser CompletionKind.swift
[123/456] Compiling ArgumentParser ArgumentDecoder.swift
[124/456] Compiling ArgumentParser ArgumentDefinition.swift
[125/456] Compiling ArgumentParser ArgumentSet.swift
[130/459] Emitting module DequeModule
[131/460] Compiling BitCollections Range+Utilities.swift
[132/460] Compiling BitCollections Slice+Utilities.swift
[133/460] Compiling BitCollections UInt+Tricks.swift
[134/460] Compiling BitCollections _Word.swift
[135/460] Compiling OrderedCollections OrderedSet.swift
[136/460] Compiling OrderedCollections _UnsafeBitset.swift
[137/460] Compiling HashTreeCollections TreeSet+Equatable.swift
[138/460] Compiling HashTreeCollections TreeSet+ExpressibleByArrayLiteral.swift
[139/460] Compiling HashTreeCollections TreeSet+Extras.swift
[140/460] Compiling HashTreeCollections TreeSet+Filter.swift
[143/460] Compiling BitCollections BitSet+SetAlgebra subtract.swift
[144/460] Compiling BitCollections BitSet+SetAlgebra subtracting.swift
[145/460] Compiling BitCollections BitSet+SetAlgebra symmetricDifference.swift
[146/460] Compiling BitCollections BitSet+SetAlgebra union.swift
[147/460] Compiling BitCollections BitSet+Sorted Collection APIs.swift
[148/460] Compiling BitCollections BitSet.Counted.swift
[149/460] Compiling BitCollections BitSet.Index.swift
[150/460] Compiling BitCollections BitSet._UnsafeHandle.swift
[151/460] Compiling BitCollections BitSet.swift
[152/460] Compiling ArgumentParser ParsableArguments.swift
[153/460] Compiling ArgumentParser ParsableArgumentsValidation.swift
[154/460] Compiling ArgumentParser ParsableCommand.swift
[156/460] Compiling BitCollections BitSet+SetAlgebra formUnion.swift
[171/460] Compiling ArgumentParser OptionGroup.swift
[172/460] Compiling ArgumentParser AsyncParsableCommand.swift
[180/460] Compiling ArgumentParser EnumerableFlag.swift
[181/460] Compiling ArgumentParser ExpressibleByArgument.swift
[186/461] Wrapping AST for InternalCollectionsUtilities for debugging
[191/461] Wrapping AST for HeapModule for debugging
[193/461] Compiling HashTreeCollections TreeSet+SetAlgebra isEqualSet.swift
[194/461] Compiling HashTreeCollections TreeSet+SetAlgebra isStrictSubset.swift
[195/461] Compiling HashTreeCollections TreeSet+SetAlgebra isStrictSuperset.swift
[196/461] Compiling HashTreeCollections TreeSet+SetAlgebra isSubset.swift
[197/461] Compiling HashTreeCollections TreeSet+SetAlgebra isSuperset.swift
[198/461] Compiling HashTreeCollections TreeSet+SetAlgebra subtract.swift
[199/461] Compiling HashTreeCollections TreeSet+SetAlgebra subtracting.swift
[200/461] Compiling HashTreeCollections TreeSet+SetAlgebra symmetricDifference.swift
[201/461] Compiling HashTreeCollections TreeSet+SetAlgebra union.swift
[202/461] Compiling HashTreeCollections TreeSet.swift
[205/461] Wrapping AST for DequeModule for debugging
[206/461] Wrapping AST for BigInt for debugging
[207/461] Wrapping AST for ArgumentParserToolInfo for debugging
[216/461] Emitting module ArgumentParser
[236/466] Compiling Algorithms Trim.swift
[237/466] Compiling Algorithms Unique.swift
[238/466] Compiling Algorithms Windows.swift
[274/466] Compiling ArgumentParser CollectionExtensions.swift
[275/466] Compiling ArgumentParser Platform.swift
[291/475] Emitting module BitCollections
[314/476] Compiling ArgumentParser SequenceExtensions.swift
[315/476] Compiling ArgumentParser StringExtensions.swift
[316/476] Compiling ArgumentParser Tree.swift
[370/476] Emitting module OrderedCollections
[370/477] Wrapping AST for BitCollections for debugging
[395/477] Wrapping AST for OrderedCollections for debugging
[397/477] Emitting module _RopeModule
[424/477] Emitting module Algorithms
[442/479] Emitting module HashTreeCollections
[442/480] Wrapping AST for Algorithms for debugging
[444/480] Compiling _RopeModule Rope+Join.swift
[445/480] Compiling _RopeModule Rope+MutatingForEach.swift
[446/480] Compiling _RopeModule Rope+Remove.swift
[447/480] Compiling _RopeModule Rope+RemoveSubrange.swift
[448/480] Compiling _RopeModule Rope+Split.swift
[449/480] Compiling _RopeModule Optional Utilities.swift
[450/480] Compiling _RopeModule String Utilities.swift
[451/480] Compiling _RopeModule String.Index+ABI.swift
[452/480] Compiling _RopeModule _CharacterRecognizer.swift
[453/480] Wrapping AST for ArgumentParser for debugging
[473/480] Wrapping AST for HashTreeCollections for debugging
[475/481] Wrapping AST for _RopeModule for debugging
[477/483] Compiling Collections Collections.swift
[478/483] Emitting module Collections
[479/484] Wrapping AST for Collections for debugging
[481/519] Compiling Utils FactoryInitializable.swift
[482/519] Compiling Utils FileManager+Extensions.swift
[483/519] Compiling Utils FullPathInFatalErrors.swift
[484/519] Compiling Utils HashableBox.swift
[485/519] Compiling Utils HashableWitness.swift
[486/523] Compiling Utils Host.swift
[487/523] Compiling Utils Incidental.swift
[488/523] Compiling Utils Indirect.swift
[489/523] Compiling Utils Lazy.swift
[490/523] Compiling Utils MVS.swift
[491/523] Compiling Utils Math.swift
[492/523] Compiling Utils Memo.swift
[493/523] Compiling Utils Operators.swift
[494/523] Compiling Utils Optional+Extensions.swift
[495/523] Compiling Utils Ordering.swift
[496/523] Compiling Utils String+Extensions.swift
[497/523] Compiling Utils StronglyConnectedComponents.swift
[498/523] Compiling Utils TestOutputStream.swift
[499/523] Compiling Utils ThreeValuedBit.swift
[500/523] Emitting module Utils
[501/523] Compiling Utils Platform.swift
[502/523] Compiling Utils Sequence+Extensions.swift
[503/523] Compiling Utils Set+Extensions.swift
[504/523] Compiling Utils SharedMutable.swift
[505/523] Compiling Utils StatefulCoder.swift
[506/523] Compiling Utils Dictionary+Extensions.swift
[507/523] Compiling Utils DirectedGraph.swift
[508/523] Compiling Utils DistinctNameGenerator.swift
[509/523] Compiling Utils DoublyLinkedList.swift
[510/523] Compiling Utils EquatableWitness.swift
[511/523] Compiling Utils BinaryInteger+Extensions.swift
[512/523] Compiling Utils BitArray.swift
[513/523] Compiling Utils ChunkSequence.swift
[514/523] Compiling Utils Collection+Extensions.swift
[515/523] Compiling Utils CustomWitnessedSet.swift
[516/523] Compiling Utils Trie.swift
[517/523] Compiling Utils URL+Extensions.swift
[518/523] Compiling Utils Unreachable.swift
[519/523] Compiling Utils WideUInt.swift
[520/524] Wrapping AST for Utils for debugging
[522/527] Compiling GenerateHyloFileTests FullPathInFatalErrors.swift
[523/527] Emitting module GenerateHyloFileTests
[524/527] Compiling GenerateHyloFileTests GenerateHyloFileTests.swift
[525/528] Wrapping AST for GenerateHyloFileTests for debugging
[526/528] Write Objects.LinkFileList
[527/528] Linking GenerateHyloFileTests-tool
Build of product 'GenerateHyloFileTests' complete! (43.78s)
Building for debugging...
[0/2] Write swift-version-24593BA9C3E375BF.txt
Build of product 'GenerateHyloFileTests' complete! (0.81s)
Building for debugging...
[0/2] Write swift-version-24593BA9C3E375BF.txt
Build of product 'GenerateHyloFileTests' complete! (1.06s)
warning: couldn't find pc file for llvm
[1/1] Compiling plugin Format Source Code
[2/2] Compiling plugin GenerateManual
[3/3] Compiling plugin Lint Source Code
[4/4] Compiling plugin TestGeneratorPlugin
[5/5] Compiling plugin ValidatorPlugin
Building for debugging...
[5/64] Write sources
[30/64] Copying Sources
[31/64] Compiling _NumericsShims _NumericsShims.c
/host/spi-builder-workspace/.build/checkouts/Swifty-LLVM/Sources/llvmshims/src/shim.cc:15:10: fatal error: 'llvm-c/TargetMachine.h' file not found
   15 | #include "llvm-c/TargetMachine.h"
      |          ^~~~~~~~~~~~~~~~~~~~~~~~
1 error generated.
[32/64] Compiling shim.cc
[32/64] Write swift-version-24593BA9C3E375BF.txt
BUILD FAILURE 6.0 linux