Swift Package IndexBuild Information
Failed to build Hylo, reference main (0f1e3d), with Swift 6.3 for Wasm on 28 Apr 2026 21:49:43 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.3-latest swift build --swift-sdk swift-6.3-RELEASE_wasm 2>&1Build Log
========================================
RunAll
========================================
Builder version: 4.70.0
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 0f1e3db Bump crate-ci/typos from 1.45.1 to 1.45.2
Submodule path 'SPMBuildToolSupport': checked out 'c270d23a9c70aa015e09a9c0ea28e36d2801adc4'
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 @):
0f1e3dbaa611cf3e9646b46bf2740a71057dd072
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/hylo-lang/hylo.git at main
========================================
Build
========================================
Selected platform: wasm
Swift version: 6.3
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" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.3-latest swift build --swift-sdk swift-6.3-RELEASE_wasm 2>&1
wasm-6.3-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:d69f4e7582c319245442d62a08b2d7c7fd5a0c0c69f5d2ef11d1530cd8d3329b
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.3-latest
Fetching https://github.com/hylo-lang/Durian.git
[1/224] Fetching durian
Fetched https://github.com/hylo-lang/Durian.git from cache (0.25s)
Fetching https://github.com/hylo-lang/Swifty-LLVM
[1/4920] Fetching swifty-llvm
Fetched https://github.com/hylo-lang/Swifty-LLVM from cache (1.94s)
warning: 'swifty-llvm': Linker flags:
Package libzstd was not found in the pkg-config search path.
Perhaps you should add the directory containing `libzstd.pc'
to the PKG_CONFIG_PATH environment variable
No package 'libzstd' found
Fetching https://github.com/apple/swift-argument-parser.git
Fetching https://github.com/apple/swift-collections.git
Fetching https://github.com/apple/swift-format
Fetching https://github.com/attaswift/BigInt
Fetching https://github.com/SwiftPackageIndex/SPIManifest.git
Fetching https://github.com/apple/swift-algorithms.git
[1/4878] Fetching bigint
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[2458/37133] Fetching bigint, swift-format, swift-argument-parser, spimanifest
[3975/43191] Fetching bigint, swift-format, swift-argument-parser, spimanifest, swift-algorithms
[4943/66991] Fetching bigint, swift-format, swift-argument-parser, spimanifest, swift-algorithms, swift-collections
Fetched https://github.com/SwiftPackageIndex/SPIManifest.git from cache (1.12s)
[34762/65988] Fetching bigint, swift-format, swift-argument-parser, swift-algorithms, swift-collections
Fetched https://github.com/apple/swift-algorithms.git from cache (1.13s)
[29054/59930] Fetching bigint, swift-format, swift-argument-parser, swift-collections
Fetched https://github.com/attaswift/BigInt from cache (1.20s)
[25750/55052] Fetching swift-format, swift-argument-parser, swift-collections
Fetched https://github.com/apple/swift-format from cache (1.92s)
[35097/41285] Fetching swift-argument-parser, swift-collections
Fetched https://github.com/apple/swift-argument-parser.git from cache (2.16s)
[21896/23800] Fetching swift-collections
Fetched https://github.com/apple/swift-collections.git from cache (2.78s)
Computing version for https://github.com/apple/swift-format
Computed https://github.com/apple/swift-format at 508.0.1 (6.44s)
Fetching https://github.com/apple/swift-syntax.git
Fetching https://github.com/apple/swift-tools-support-core.git
[1/7218] Fetching swift-tools-support-core
[7219/82257] Fetching swift-tools-support-core, swift-syntax
Fetched https://github.com/apple/swift-tools-support-core.git from cache (3.00s)
[73539/75039] Fetching swift-syntax
Fetched https://github.com/apple/swift-syntax.git from cache (7.58s)
Computing version for https://github.com/attaswift/BigInt
Computed https://github.com/attaswift/BigInt at 5.7.0 (7.99s)
Computing version for https://github.com/apple/swift-algorithms.git
Computed https://github.com/apple/swift-algorithms.git at 1.2.1 (0.51s)
Fetching https://github.com/apple/swift-numerics.git
[1/6416] Fetching swift-numerics
Fetched https://github.com/apple/swift-numerics.git from cache (0.61s)
Computing version for https://github.com/apple/swift-syntax.git
Computed https://github.com/apple/swift-syntax.git at 508.0.1 (2.45s)
Computing version for https://github.com/apple/swift-collections.git
Computed https://github.com/apple/swift-collections.git at 1.4.1 (0.91s)
Computing version for https://github.com/apple/swift-argument-parser.git
Computed https://github.com/apple/swift-argument-parser.git at 1.7.1 (0.59s)
Computing version for https://github.com/apple/swift-numerics.git
Computed https://github.com/apple/swift-numerics.git at 1.1.1 (0.51s)
Computing version for https://github.com/SwiftPackageIndex/SPIManifest.git
Computed https://github.com/SwiftPackageIndex/SPIManifest.git at 1.12.0 (0.68s)
Fetching https://github.com/jpsim/Yams.git
[1/11551] Fetching yams
Fetched https://github.com/jpsim/Yams.git from cache (3.07s)
Computing version for https://github.com/apple/swift-tools-support-core.git
Computed https://github.com/apple/swift-tools-support-core.git at 0.7.3 (7.17s)
Computing version for https://github.com/jpsim/Yams.git
Computed https://github.com/jpsim/Yams.git at 6.2.1 (1.41s)
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 1.7.1
Creating working copy for https://github.com/apple/swift-numerics.git
Working copy of https://github.com/apple/swift-numerics.git resolved at 1.1.1
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
Creating working copy for https://github.com/jpsim/Yams.git
Working copy of https://github.com/jpsim/Yams.git resolved at 6.2.1
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 0.7.3
Creating working copy for https://github.com/hylo-lang/Durian.git
Working copy of https://github.com/hylo-lang/Durian.git resolved at 61d0681cafb43f595477b62b4cd5baf8bdfafe41
Creating working copy for https://github.com/attaswift/BigInt
Working copy of https://github.com/attaswift/BigInt resolved at 5.7.0
Creating working copy for https://github.com/hylo-lang/Swifty-LLVM
Working copy of https://github.com/hylo-lang/Swifty-LLVM resolved at cff484ecca159d9eec1938cda83a72b57cdfbd08
Creating working copy for https://github.com/apple/swift-collections.git
Working copy of https://github.com/apple/swift-collections.git resolved at 1.4.1
Creating working copy for https://github.com/SwiftPackageIndex/SPIManifest.git
Working copy of https://github.com/SwiftPackageIndex/SPIManifest.git resolved at 1.12.0
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
warning: 'swifty-llvm': Linker flags:
Package libzstd was not found in the pkg-config search path.
Perhaps you should add the directory containing `libzstd.pc'
to the PKG_CONFIG_PATH environment variable
No package 'libzstd' found
warning: 'spi-builder-workspace': dependency 'spimanifest' is not used by any target
warning: couldn't find pc file for llvm
[0/36] Write sources
[16/36] Compiling _NumericsShims _NumericsShims.c
[17/36] Write swift-version-24593BA9C3E375BF.txt
[19/88] Emitting module InternalCollectionsUtilities
[20/90] Compiling InternalCollectionsUtilities UnsafeMutableRawBufferPointer+Extras.swift
[21/90] Compiling InternalCollectionsUtilities UnsafeRawBufferPointer+Extras.swift
[22/90] Emitting module RealModule
[23/90] Compiling InternalCollectionsUtilities Debugging.swift
[24/90] Compiling InternalCollectionsUtilities Descriptions.swift
[25/91] Compiling RealModule RelaxedArithmetic.swift
[26/91] Compiling InternalCollectionsUtilities _SortedCollection.swift
[27/91] Compiling InternalCollectionsUtilities _UniqueCollection.swift
[30/91] Compiling BigInt Square Root.swift
[33/93] Compiling InternalCollectionsUtilities FixedWidthInteger+roundUpToPowerOfTwo.swift
[34/93] Compiling BigInt Floating Point Conversion.swift
[35/93] Compiling BigInt GCD.swift
[36/93] Compiling BigInt Hashable.swift
[37/93] Compiling InternalCollectionsUtilities UnsafeMutableBufferPointer+Extras.swift
[38/93] Compiling BigInt Bitwise Ops.swift
[39/93] Compiling BigInt Codable.swift
[40/93] Compiling BigInt Prime Test.swift
[41/93] Compiling BigInt Strideable.swift
[42/93] Compiling BigInt String Conversion.swift
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[44/93] Compiling BigInt Integer Conversion.swift
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[51/93] Compiling RealModule RealFunctions.swift
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[87/353] Compiling HashTreeCollections _HashNode+Subtree Removals.swift
[88/394] Emitting module ContainersPreview
[89/394] Emitting module HeapModule
[90/394] Emitting module ArgumentParserToolInfo
[91/394] Compiling ArgumentParserToolInfo ToolInfo.swift
[93/395] Compiling HeapModule _HeapNode.swift
[94/395] Compiling BitCollections BitSet+Invariants.swift
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[102/395] Compiling BitCollections BitArray+Codable.swift
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[105/421] Compiling HeapModule Heap.swift
[108/508] Compiling ArgumentParser ParsableArguments.swift
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[126/515] Compiling ArgumentParser CollectionExtensions.swift
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[130/515] Compiling ArgumentParser SequenceExtensions.swift
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[143/515] Compiling HashTreeCollections TreeSet+SetAlgebra basics.swift
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[149/532] Compiling ArgumentParser CompletionKind.swift
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[153/532] Compiling ArgumentParser Option.swift
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[155/532] Compiling ArgumentParser ParentCommand.swift
[156/532] Compiling ArgumentParser AsyncParsableCommand.swift
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[161/532] Compiling ArgumentParser ParserError.swift
[162/532] Compiling ArgumentParser SplitArguments.swift
[163/532] Compiling BitCollections BitArray+LosslessStringConvertible.swift
[164/532] Compiling BitCollections BitArray+RandomBits.swift
[170/537] Compiling OrderedCollections OrderedSet+SubSequence.swift
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[189/537] Compiling ArgumentParser CommandParser.swift
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[193/537] Compiling ArgumentParser HelpGenerator.swift
[194/537] Compiling ArgumentParser MessageInfo.swift
[206/537] Compiling OrderedCollections OrderedSet+Sendable.swift
[207/537] Emitting module BitCollections
[235/537] Compiling DequeModule UniqueDeque+Replacements.swift
[236/537] Compiling DequeModule UniqueDeque.swift
[237/537] Compiling DequeModule _DequeSlot.swift
[238/537] Compiling DequeModule _UnsafeDequeHandle.swift
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[269/546] Compiling _RopeModule String Utilities.swift
[270/546] Compiling _RopeModule String.Index+ABI.swift
[271/546] Compiling _RopeModule _CharacterRecognizer.swift
[272/546] Compiling HashTreeCollections TreeSet+SetAlgebra isSubset.swift
[273/546] Compiling HashTreeCollections TreeSet+SetAlgebra isSuperset.swift
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[293/546] Compiling ArgumentParser Argument.swift
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[296/546] Compiling ArgumentParser ArgumentVisibility.swift
[303/546] Compiling ArgumentParser BashCompletionsGenerator.swift
[304/546] Compiling ArgumentParser CompletionsGenerator.swift
[305/546] Compiling ArgumentParser FishCompletionsGenerator.swift
[306/546] Compiling ArgumentParser ZshCompletionsGenerator.swift
[334/555] Emitting module BigInt
[386/556] Wrapping AST for RealModule for debugging
[388/556] Compiling ArgumentParser Tree.swift
[389/556] Compiling ArgumentParser CodingKeyValidator.swift
[390/556] Compiling ArgumentParser NonsenseFlagsValidator.swift
[391/556] Compiling ArgumentParser ParsableArgumentsValidation.swift
[392/556] Compiling ArgumentParser PositionalArgumentsValidator.swift
[393/556] Compiling ArgumentParser UniqueNamesValidator.swift
[415/557] Wrapping AST for InternalCollectionsUtilities for debugging
[424/557] Wrapping AST for HeapModule for debugging
[425/557] Wrapping AST for ContainersPreview for debugging
[427/557] Compiling Algorithms Trim.swift
[428/557] Compiling Algorithms Unique.swift
[429/557] Compiling Algorithms Windows.swift
[429/557] Wrapping AST for BigInt for debugging
[430/557] Wrapping AST for ArgumentParserToolInfo for debugging
[431/557] Wrapping AST for BitCollections for debugging
[433/557] Emitting module OrderedCollections
[455/558] Wrapping AST for OrderedCollections for debugging
[475/558] Emitting module _RopeModule
[498/558] Emitting module ArgumentParser
[506/558] Compiling _RopeModule Rope+Join.swift
[507/558] Compiling _RopeModule Rope+MutatingForEach.swift
[508/558] Compiling _RopeModule Rope+Remove.swift
[509/558] Compiling _RopeModule Rope+RemoveSubrange.swift
[510/558] Compiling _RopeModule Rope+Split.swift
[511/558] Compiling _RopeModule Optional Utilities.swift
[515/558] Emitting module Algorithms
[522/560] Wrapping AST for Algorithms for debugging
[524/560] Wrapping AST for ArgumentParser for debugging
[552/561] Emitting module HashTreeCollections
[553/562] Wrapping AST for _RopeModule for debugging
[554/562] Wrapping AST for HashTreeCollections for debugging
[556/562] Emitting module DequeModule
[557/563] Wrapping AST for DequeModule for debugging
[559/569] Compiling Collections OrderedCollections reexports.swift
[560/569] Compiling Collections DequeModule reexports.swift
[561/569] Compiling Collections BitCollections reexports.swift
[562/569] Emitting module Collections
[563/569] Compiling Collections HeapModule reexports.swift
[564/569] Compiling Collections HashTreeCollections reexports.swift
[565/570] Wrapping AST for Collections for debugging
[567/608] Compiling Utils Memo.swift
[568/608] Compiling Utils MutableCollection+Extensions.swift
[569/608] Compiling Utils Operators.swift
[570/608] Compiling Utils Optional+Extensions.swift
[571/608] Compiling Utils Ordering.swift
[572/613] Compiling Utils FileManager+Extensions.swift
[573/613] Compiling Utils FullPathInFatalErrors.swift
[574/613] Compiling Utils HashableBox.swift
[575/613] Compiling Utils HashableWitness.swift
[576/613] Compiling Utils Host.swift
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[578/613] Compiling Utils Indirect.swift
[579/613] Compiling Utils Lazy.swift
[580/613] Compiling Utils MVS.swift
[581/613] Compiling Utils Math.swift
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[583/613] Compiling Utils StatefulCoder.swift
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[585/613] Compiling Utils StronglyConnectedComponents.swift
[586/613] Compiling Utils TestOutputStream.swift
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[590/613] Compiling Utils Sequence+Extensions.swift
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[596/613] Compiling Utils ChunkSequence.swift
[597/613] Compiling Utils Collection+Extensions.swift
[598/613] Compiling Utils CustomWitnessedSet.swift
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[601/613] Compiling Utils Unreachable.swift
[602/613] Compiling Utils UnsignedFixedWidthInteger+Extensions.swift
[603/613] Compiling Utils WideUInt.swift
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[606/613] Compiling Utils DistinctNameGenerator.swift
[607/613] Compiling Utils DoublyLinkedList.swift
[608/613] Compiling Utils EquatableWitness.swift
[609/613] Compiling Utils FactoryInitializable.swift
[610/614] Wrapping AST for Utils for debugging
[612/617] Compiling GenerateHyloFileTests FullPathInFatalErrors.swift
[613/617] Emitting module GenerateHyloFileTests
[614/617] Compiling GenerateHyloFileTests GenerateHyloFileTests.swift
[615/618] Wrapping AST for GenerateHyloFileTests for debugging
[616/618] Write Objects.LinkFileList
[617/618] Linking GenerateHyloFileTests-tool
warning: couldn't find pc file for llvm
[1/1] Compiling plugin TestGeneratorPlugin
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[5/5] Compiling plugin GenerateDoccReference
Building for debugging...
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[38/103] Compiling _NumericsShims _NumericsShims.c
/host/spi-builder-workspace/.build/checkouts/Swifty-LLVM/Sources/llvmshims/src/shim.cc:7:10: fatal error: 'llvm-c/TargetMachine.h' file not found
7 | #include "llvm-c/TargetMachine.h"
| ^~~~~~~~~~~~~~~~~~~~~~~~
1 error generated.
[39/103] Write sources
[39/103] Compiling shim.cc
[39/103] Write sources
[39/103] Compiling _NumericsShims _NumericsShims.c
[39/103] Write sources
[39/103] Write swift-version-24593BA9C3E375BF.txt
BUILD FAILURE 6.3 wasm