Swift Package IndexBuild Information
Failed to build MCP, reference master (33bd4c), with Swift 6.3 for Wasm on 10 Oct 2026 18:05:12 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-54344849-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:wasm-6.3-latest swift build --swift-sdk swift-6.3.2-RELEASE_wasm 2>&1Build Log
========================================
RunAll
========================================
Builder version: 5.1.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/tannerdsilva/swift-mcp.git
Reference: master
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/tannerdsilva/swift-mcp
* branch master -> FETCH_HEAD
* [new branch] master -> origin/master
HEAD is now at 33bd4c0 fix(deps): point swift-syntax at its canonical swiftlang home
Cloned https://github.com/tannerdsilva/swift-mcp.git
Revision (git rev-parse @):
33bd4c07fafdbd1b8f98e5d248a12a8309111a1e
SUCCESS checkout https://github.com/tannerdsilva/swift-mcp.git at master
========================================
Build
========================================
Selected platform: wasm
Swift version: 6.3
Building package at path: $PWD
https://github.com/tannerdsilva/swift-mcp.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344849-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:wasm-6.3-latest swift build --swift-sdk swift-6.3.2-RELEASE_wasm 2>&1
wasm-6.3-latest: Pulling from saguaro1/spi-images
Digest: sha256:df2e9038ff906af397ec7b7e13902ccb183f8867606bc33419e44453a9abdb4b
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:wasm-6.3-latest
Fetching https://github.com/swiftlang/swift-syntax.git
Fetching https://github.com/apple/swift-argument-parser.git
Fetching https://github.com/tannerdsilva/QuickJSON.git
Fetching https://github.com/tannerdsilva/SwiftSlash.git
Fetching https://github.com/swift-server/swift-service-lifecycle.git
Fetching https://github.com/apple/swift-docc-plugin.git
[1/534] Fetching quickjson
[535/2879] Fetching quickjson, swift-docc-plugin
[559/7120] Fetching quickjson, swift-docc-plugin, swiftslash
[1449/9987] Fetching quickjson, swift-docc-plugin, swiftslash, swift-service-lifecycle
[7878/29083] Fetching quickjson, swift-docc-plugin, swiftslash, swift-service-lifecycle, swift-argument-parser
Fetched https://github.com/tannerdsilva/QuickJSON.git from cache (0.61s)
[16328/28549] Fetching swift-docc-plugin, swiftslash, swift-service-lifecycle, swift-argument-parser
Fetched https://github.com/apple/swift-docc-plugin.git from cache (0.61s)
[14365/26204] Fetching swiftslash, swift-service-lifecycle, swift-argument-parser
Fetching https://github.com/apple/swift-log.git
Fetched https://github.com/tannerdsilva/SwiftSlash.git from cache (0.84s)
Fetched https://github.com/swift-server/swift-service-lifecycle.git from cache (0.84s)
[1/8257] Fetching swift-log
Fetching https://github.com/apple/swift-nio.git
Fetched https://github.com/apple/swift-log.git from cache (0.47s)
[1/80416] Fetching swift-syntax
[80417/166790] Fetching swift-syntax, swift-nio
Fetched https://github.com/apple/swift-argument-parser.git from cache (3.43s)
Fetched https://github.com/swiftlang/swift-syntax.git from cache (3.45s)
Fetched https://github.com/apple/swift-nio.git from cache (3.26s)
Computing version for https://github.com/tannerdsilva/QuickJSON.git
Computed https://github.com/tannerdsilva/QuickJSON.git at 2.0.3 (4.48s)
Fetching https://github.com/ibireme/yyjson.git
[1/5075] Fetching yyjson
Fetched https://github.com/ibireme/yyjson.git from cache (0.91s)
Computing version for https://github.com/tannerdsilva/SwiftSlash.git
Computed https://github.com/tannerdsilva/SwiftSlash.git at 5.0.2 (1.06s)
Computing version for https://github.com/swiftlang/swift-syntax.git
Computed https://github.com/swiftlang/swift-syntax.git at 603.0.2 (0.94s)
Computing version for https://github.com/ibireme/yyjson.git
Computed https://github.com/ibireme/yyjson.git at 0.12.0 (0.15s)
Computing version for https://github.com/apple/swift-argument-parser.git
Computed https://github.com/apple/swift-argument-parser.git at 1.8.2 (0.14s)
Computing version for https://github.com/apple/swift-docc-plugin.git
Computed https://github.com/apple/swift-docc-plugin.git at 1.5.0 (0.15s)
Fetching https://github.com/swiftlang/swift-docc-symbolkit
[1/3836] Fetching swift-docc-symbolkit
Fetched https://github.com/swiftlang/swift-docc-symbolkit from cache (0.53s)
Computing version for https://github.com/swiftlang/swift-docc-symbolkit
Computed https://github.com/swiftlang/swift-docc-symbolkit at 1.0.0 (0.72s)
Computing version for https://github.com/swift-server/swift-service-lifecycle.git
Computed https://github.com/swift-server/swift-service-lifecycle.git at 2.12.1 (0.13s)
Fetching https://github.com/apple/swift-async-algorithms.git
[1/6819] Fetching swift-async-algorithms
Fetched https://github.com/apple/swift-async-algorithms.git from cache (0.56s)
Computing version for https://github.com/apple/swift-log.git
Computed https://github.com/apple/swift-log.git at 1.16.1 (0.70s)
Computing version for https://github.com/apple/swift-async-algorithms.git
Computed https://github.com/apple/swift-async-algorithms.git at 1.1.7 (0.16s)
Fetching https://github.com/apple/swift-collections.git
[1/28695] Fetching swift-collections
Fetched https://github.com/apple/swift-collections.git from cache (1.14s)
Computing version for https://github.com/apple/swift-collections.git
Computed https://github.com/apple/swift-collections.git at 1.7.2 (1.36s)
Computing version for https://github.com/apple/swift-nio.git
Computed https://github.com/apple/swift-nio.git at 2.104.0 (0.25s)
Fetching https://github.com/apple/swift-atomics.git
Fetching https://github.com/apple/swift-system.git
[1/1889] Fetching swift-atomics
[1890/9130] Fetching swift-atomics, swift-system
Fetched https://github.com/apple/swift-atomics.git from cache (0.61s)
Fetched https://github.com/apple/swift-system.git from cache (0.61s)
Computing version for https://github.com/apple/swift-atomics.git
Computed https://github.com/apple/swift-atomics.git at 1.3.1 (0.75s)
Computing version for https://github.com/apple/swift-system.git
Computed https://github.com/apple/swift-system.git at 1.8.1 (0.16s)
Creating working copy for https://github.com/swiftlang/swift-syntax.git
Working copy of https://github.com/swiftlang/swift-syntax.git resolved at 603.0.2
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/apple/swift-collections.git
Working copy of https://github.com/apple/swift-collections.git resolved at 1.7.2
Creating working copy for https://github.com/swift-server/swift-service-lifecycle.git
Working copy of https://github.com/swift-server/swift-service-lifecycle.git resolved at 2.12.1
Creating working copy for https://github.com/apple/swift-log.git
Working copy of https://github.com/apple/swift-log.git resolved at 1.16.1
Creating working copy for https://github.com/apple/swift-atomics.git
Working copy of https://github.com/apple/swift-atomics.git resolved at 1.3.1
Creating working copy for https://github.com/tannerdsilva/SwiftSlash.git
Working copy of https://github.com/tannerdsilva/SwiftSlash.git resolved at 5.0.2
Creating working copy for https://github.com/apple/swift-async-algorithms.git
Working copy of https://github.com/apple/swift-async-algorithms.git resolved at 1.1.7
Creating working copy for https://github.com/tannerdsilva/QuickJSON.git
Working copy of https://github.com/tannerdsilva/QuickJSON.git resolved at 2.0.3
Creating working copy for https://github.com/apple/swift-nio.git
Working copy of https://github.com/apple/swift-nio.git resolved at 2.104.0
Creating working copy for https://github.com/apple/swift-docc-plugin.git
Working copy of https://github.com/apple/swift-docc-plugin.git resolved at 1.5.0
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 1.8.2
Creating working copy for https://github.com/apple/swift-system.git
Working copy of https://github.com/apple/swift-system.git resolved at 1.8.1
Creating working copy for https://github.com/ibireme/yyjson.git
Working copy of https://github.com/ibireme/yyjson.git resolved at 0.12.0
Downloading package prebuilt https://download.swift.org/prebuilts/swift-syntax/603.0.2/swift-6.3.2-RELEASE-ubuntu_noble_x86_64-MacroSupport.tar.gz
Downloaded https://download.swift.org/prebuilts/swift-syntax/603.0.2/swift-6.3.2-RELEASE-ubuntu_noble_x86_64-MacroSupport.tar.gz (0.30s)
[1/1] Compiling plugin GenerateManual
[2/2] Compiling plugin GenerateDoccReference
[3/3] Compiling plugin Swift-DocC Preview
[4/4] Compiling plugin Swift-DocC
Building for debugging...
[4/194] Write sources
[7/194] Compiling _AtomicsShims.c
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[12/194] Compiling __cswiftslash_threads __cswiftslash_threads.c
[13/194] Write sources
[14/194] Compiling __cswiftslash_eventtrigger __cswiftslash_eventtrigger.c
[15/194] Compiling _SwiftSyntaxCShims PlatformMutex.c
[16/194] Write sources
[30/194] Write swift-version-24593BA9C3E375BF.txt
[30/194] Write sources
[38/194] Compiling __cswiftslash_posix_helpers __cswiftslash_posix_helpers.c
[39/210] Compiling yyjson.c
[41/212] Emitting module SwiftSyntax601
[42/212] Compiling SwiftSyntax601 Empty.swift
[44/213] Compiling SwiftSyntax603 Empty.swift
[45/213] Emitting module SwiftSyntax603
[46/214] Compiling _NIOBase64 Base64.swift
[47/214] Emitting module _NIOBase64
[49/222] Wrapping AST for SwiftSyntax603 for debugging
[51/222] Emitting module SwiftSyntax600
[52/222] Compiling SwiftSyntax600 Empty.swift
[52/223] Wrapping AST for SwiftSyntax601 for debugging
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[73/223] Compiling SwiftSyntax509 Empty.swift
[74/223] Emitting module SwiftSyntax509
[75/243] Write sources
[77/253] Compiling SwiftSlashFHHelpers SystemErrno.swift
[78/263] Emitting module SwiftSyntax510
[79/263] Compiling SwiftSyntax510 Empty.swift
[80/264] Compiling SwiftSlashFHHelpers FileHandleError.swift
[81/264] Compiling SwiftSlashFHHelpers PosixPipe.swift
[82/264] Compiling SwiftSlashFHHelpers FHHelpers.swift
[83/264] Emitting module SwiftSlashFHHelpers
[84/265] Wrapping AST for SwiftSyntax509 for debugging
[85/265] Compiling SwiftSyntax602 Empty.swift
[86/265] Emitting module SwiftSyntax602
[88/266] Compiling CNIOWindows shim.c
[91/266] Compiling InternalCollectionsUtilities Iterable+CopyContents.swift
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[93/266] Compiling InternalCollectionsUtilities LifetimeOverride.swift
[94/266] Compiling InternalCollectionsUtilities MutableRef.swift
[95/266] Compiling InternalCollectionsUtilities RandomAccessCollection+Offsets.swift
[96/266] Compiling InternalCollectionsUtilities Span+Extras.swift
[96/270] Compiling CNIOWindows WSAStartup.c
[97/270] Compiling CNIOWASI CNIOWASI.c
[98/270] Wrapping AST for SwiftSyntax510 for debugging
[99/273] Compiling CNIOPosix event_loop_id.c
[100/273] Wrapping AST for SwiftSyntax602 for debugging
[102/273] Compiling InternalCollectionsUtilities UnsafeMutablePointer+Extras.swift
[103/273] Compiling InternalCollectionsUtilities UnsafeMutableRawBufferPointer+Extras.swift
[104/273] Compiling InternalCollectionsUtilities UnsafePointer+Extras.swift
[104/273] Compiling CNIOOpenBSD shim.c
[106/273] Compiling InternalCollectionsUtilities Strideable+LimitHelpers.swift
[107/273] Compiling InternalCollectionsUtilities String+Padding.swift
[108/273] Compiling InternalCollectionsUtilities TemporaryAllocation.swift
[109/273] Compiling InternalCollectionsUtilities _UnsafeBitSet+Index.swift
[109/273] Compiling CNIOLinux liburing_shims.c
[110/273] Compiling Logging Logger+Attributes.swift
[112/273] Compiling InternalCollectionsUtilities BorrowingIteratorProtocol+Equality.swift
[113/273] Compiling InternalCollectionsUtilities BorrowingIteratorProtocol+Extras.swift
[114/273] Compiling InternalCollectionsUtilities Debugging.swift
[115/273] Compiling InternalCollectionsUtilities Descriptions.swift
[116/273] Compiling Logging Logger+With.swift
[117/273] Compiling InternalCollectionsUtilities UnsafeRawBufferPointer+Extras.swift
[118/273] Compiling InternalCollectionsUtilities _SortedCollection.swift
[119/273] Compiling InternalCollectionsUtilities _UniqueCollection.swift
[119/274] Compiling CNIOLinux shim.c
[121/303] Compiling ConcurrencyHelpers LockedValueBox.swift
[121/312] Compiling CNIOLLHTTP c_nio_http.c
[123/336] Compiling Logging LoggingSystem.swift
[123/336] Compiling CNIOLLHTTP c_nio_api.c
[125/336] Compiling _NIODataStructures PriorityQueue.swift
[126/336] Compiling _NIODataStructures _TinyArray.swift
[126/336] Compiling CNIOFreeBSD shim.c
[127/336] Compiling CNIODarwin shim.c
[129/336] Emitting module ConcurrencyHelpers
[129/336] Compiling CNIOLLHTTP c_nio_llhttp.c
[131/336] Compiling SwiftSyntax Identifier.swift
[132/336] Compiling SwiftSyntax MemoryLayout.swift
[133/336] Compiling SwiftSyntax MissingNodeInitializers.swift
[134/336] Compiling SwiftSyntax RawSyntax.swift
[135/336] Compiling Logging Logger.swift
[136/336] Compiling SwiftSyntax SyntaxProtocol.swift
[137/336] Compiling SwiftSyntax SyntaxText.swift
[138/336] Compiling SwiftSyntax SyntaxTreeViewMode.swift
[139/336] Compiling SwiftSyntax TokenDiagnostic.swift
[142/336] Compiling Logging MetadataProvider.swift
[143/336] Emitting module _NIODataStructures
[144/336] Compiling _NIODataStructures Heap.swift
[145/337] Compiling ConcurrencyHelpers Lock.swift
[147/338] Write sources
[150/338] Compiling SwiftSyntax RawSyntaxArena.swift
[151/338] Compiling SwiftSyntax RawSyntaxLayoutView.swift
[152/338] Emitting module Logging
[154/357] Emitting module InternalCollectionsUtilities
[155/357] Compiling Atomics AtomicOptionalWrappable.swift
[156/357] Compiling Atomics AtomicReference.swift
[157/357] Compiling Atomics AtomicMemoryOrderings.swift
[158/357] Compiling Atomics DoubleWord.swift
[160/361] Compiling Atomics ManagedAtomic.swift
[161/361] Compiling Atomics ManagedAtomicLazyReference.swift
[162/377] Compiling QuickJSON Memory.swift
[163/377] Compiling QuickJSON PointerSupport.swift
[166/377] Emitting module UnixSignals
[167/377] Compiling Atomics IntegerOperations.swift
[168/377] Compiling Atomics Unmanaged extensions.swift
[169/377] Compiling QuickJSON QuickJSON.swift
[170/377] Compiling QuickJSON RootDecoder.swift
[171/377] Compiling QuickJSON SingleValueDecoder.swift
[172/377] Compiling QuickJSON SingleValueEncoder.swift
[174/377] Compiling QuickJSON Encoding.swift
[175/377] Compiling QuickJSON KeyedDecoder.swift
[176/378] Compiling UnixSignals UnixSignalsSequence.swift
[177/378] Compiling UnixSignals UnixSignal.swift
[178/378] Compiling QuickJSON UnkeyedDecoder.swift
[180/383] Compiling SpanPreview MutableSpan+InputSpanHelpers.swift
[181/383] Compiling SpanPreview OutputSpan+InputSpanHelpers.swift
[182/383] Compiling SpanPreview InputSpan.swift
[183/383] Emitting module SpanPreview
[185/384] Emitting module QuickJSON
[186/384] Compiling QuickJSON Decoding.swift
[187/384] Compiling QuickJSON Encoder.swift
[193/384] Compiling SwiftSyntax TokenSequence.swift
[194/384] Compiling SwiftSyntax TokenSyntax.swift
[195/384] Compiling SwiftSyntax Trivia.swift
[196/384] Compiling SwiftSyntax Utils.swift
[197/440] Compiling OrderedCollections OrderedDictionary+Deprecations.swift
[198/440] Compiling OrderedCollections OrderedDictionary+Descriptions.swift
[199/444] Compiling OrderedCollections OrderedDictionary+Codable.swift
[200/444] Compiling OrderedCollections OrderedDictionary+CustomReflectable.swift
[201/449] Compiling OrderedCollections _HashTable.swift
[202/449] Compiling OrderedCollections _Hashtable+Header.swift
[203/449] Compiling OrderedCollections _HashTable+Testing.swift
[204/449] Compiling OrderedCollections _HashTable+UnsafeHandle.swift
[204/449] Compiling c-nioatomics.c
[206/449] Compiling QuickJSON UnkeyedEncoder.swift
[207/492] Compiling __cswiftslash_types __cswiftslash_types.c
[208/492] Compiling c-atomics.c
[209/494] Compiling __cswiftslash_threads __cswiftslash_threads.c
[211/501] Compiling DequeModule Deque+Codable.swift
[212/501] Compiling DequeModule Deque+Collection.swift
[213/501] Compiling DequeModule Deque+CustomReflectable.swift
[214/501] Compiling DequeModule Deque+Descriptions.swift
[215/501] Compiling DequeModule Deque+Equatable.swift
[216/501] Compiling DequeModule Deque+ExpressibleByArrayLiteral.swift
[217/501] Compiling DequeModule Deque+Extras.swift
[218/501] Compiling DequeModule Deque+Hashable.swift
[219/501] Compiling DequeModule Deque+Testing.swift
[220/501] Compiling DequeModule RigidDeque+Descriptions.swift
[221/501] Compiling DequeModule RigidDeque+Equatable.swift
[222/501] Compiling DequeModule RigidDeque+Hashable.swift
[223/501] Compiling DequeModule RigidDeque+Initializers.swift
[224/501] Compiling DequeModule RigidDeque+Insertions.swift
[225/501] Compiling DequeModule RigidDeque+Iterable.swift
[226/506] Compiling DequeModule UniqueDeque+Consumption.swift
[227/506] Compiling DequeModule UniqueDeque+ContainerOperations.swift
[228/506] Compiling DequeModule UniqueDeque+Deprecations.swift
[229/506] Compiling DequeModule UniqueDeque+Descriptions.swift
[230/506] Compiling DequeModule UniqueDeque+Equatable.swift
[231/506] Compiling DequeModule UniqueDeque+Hashable.swift
[233/506] Compiling DequeModule Deque._Storage.swift
[234/506] Compiling DequeModule Deque._UnsafeHandle.swift
[235/506] Compiling DequeModule Deque.swift
[242/506] Compiling DequeModule _DequeBuffer.swift
[243/506] Compiling DequeModule _DequeBufferHeader.swift
[244/506] Compiling DequeModule RigidDeque+Append.swift
[245/506] Compiling DequeModule RigidDeque+Consumption.swift
[246/506] Compiling DequeModule RigidDeque+ContainerOperations.swift
[247/506] Compiling DequeModule RigidDeque+Deprecations.swift
[248/513] Compiling NIOConcurrencyHelpers NIOLockedValueBox.swift
[255/513] Compiling NIOConcurrencyHelpers NIOLock.swift
[256/513] Compiling DequeModule UniqueDeque+Initializers.swift
[257/513] Compiling DequeModule UniqueDeque+Insertions.swift
[258/513] Compiling DequeModule UniqueDeque+Iterable.swift
[259/513] Compiling DequeModule UniqueDeque+Prepend.swift
[260/513] Compiling DequeModule UniqueDeque+Removals.swift
[261/513] Emitting module SwiftSlashOneShotLatch
[262/513] Compiling SwiftSlashOneShotLatch OneShotLatch.swift
[263/514] Compiling DequeModule RigidDeque+Prepend.swift
[264/514] Compiling DequeModule RigidDeque+Removals.swift
[265/514] Compiling DequeModule RigidDeque+Replacements.swift
[266/514] Compiling DequeModule RigidDeque+Testing.swift
[267/514] Compiling DequeModule RigidDeque.swift
[268/514] Compiling DequeModule UniqueDeque+Append.swift
[278/516] Emitting module NIOConcurrencyHelpers
[287/516] Compiling OrderedCollections OrderedSet+Partial SetAlgebra formSymmetricDifference.swift
[288/516] Compiling OrderedCollections OrderedSet+Partial SetAlgebra formUnion.swift
[289/516] Compiling OrderedCollections OrderedSet+Partial SetAlgebra intersection.swift
[290/516] Compiling OrderedCollections OrderedSet+Partial SetAlgebra isDisjoint.swift
[291/516] Compiling OrderedCollections OrderedSet+Partial SetAlgebra isEqualSet.swift
[292/516] Compiling OrderedCollections OrderedSet+Partial SetAlgebra isStrictSubset.swift
[293/516] Compiling OrderedCollections OrderedSet+Partial SetAlgebra isStrictSuperset.swift
[294/516] Compiling OrderedCollections OrderedSet+Partial SetAlgebra isSubset.swift
[296/516] Compiling DequeModule UniqueDeque+Replacements.swift
[297/516] Compiling DequeModule UniqueDeque.swift
[298/516] Compiling DequeModule _DequeSlot.swift
[299/516] Compiling DequeModule _UnsafeDequeHandle.swift
[300/516] Compiling DequeModule _UnsafeDequeSegments.swift
[301/516] Compiling OrderedCollections OrderedSet+Partial RangeReplaceableCollection.swift
[302/516] Compiling OrderedCollections OrderedSet+Partial SetAlgebra formIntersection.swift
[303/516] Compiling NIOConcurrencyHelpers NIOAtomic.swift
[304/516] Compiling NIOConcurrencyHelpers lock.swift
[308/516] Emitting module Atomics
[313/517] Compiling NIOConcurrencyHelpers atomics.swift
[314/517] Compiling NIOConcurrencyHelpers NIOThreadPoolWorkAvailable.swift
In file included from /host/spi-builder-workspace/.build/checkouts/SwiftSlash/Sources/__cswiftslash_posix_helpers/__cswiftslash_posix_helpers.c:16:
In file included from /host/spi-builder-workspace/.build/checkouts/SwiftSlash/Sources/__cswiftslash_posix_helpers/__cswiftslash_posix_helpers.h:25:
/root/.swiftpm/swift-sdks/swift-6.3.2-RELEASE_wasm.artifactbundle/swift-6.3.2-RELEASE_wasm/wasm32-unknown-wasip1/WASI.sdk/include/wasm32-wasip1/signal.h:2:2: error: "wasm lacks signal support; to enable minimal signal emulation, compile with -D_WASI_EMULATED_SIGNAL and link with -lwasi-emulated-signal"
2 | #error "wasm lacks signal support; to enable minimal signal emulation, \
| ^
/host/spi-builder-workspace/.build/checkouts/SwiftSlash/Sources/__cswiftslash_posix_helpers/__cswiftslash_posix_helpers.c:19:10: fatal error: 'spawn.h' file not found
19 | #include <spawn.h>
| ^~~~~~~~~
2 errors generated.
[315/522] Compiling __cswiftslash_posix_helpers __cswiftslash_posix_helpers.c
[316/522] Emitting module SwiftSlashFuture
[316/522] Compiling yyjson.c
BUILD FAILURE 6.3 wasm