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Build Information

Failed to build SourceKitLSP, reference main (d806ab), with Swift 6.4 for Wasm on 17 Oct 2026 07:35:51 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-53886770-0":/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-6.4-latest swift build --swift-sdk swift-6.4.0-RELEASE_wasm 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 5.1.3
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/swiftlang/sourcekit-lsp.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/swiftlang/sourcekit-lsp
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at d806ab0 Merge pull request #2804 from nkcsgexi/190250593
Cloned https://github.com/swiftlang/sourcekit-lsp.git
Revision (git rev-parse @):
d806ab073275461339c8fd465f80b258fc454536
SUCCESS checkout https://github.com/swiftlang/sourcekit-lsp.git at main
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/swiftlang/sourcekit-lsp.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-53886770-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:wasm-6.4-latest swift build --swift-sdk swift-6.4.0-RELEASE_wasm 2>&1
wasm-6.4-latest: Pulling from saguaro1/spi-images
Digest: sha256:7a2e5502d3bb6640f9b2bbb1dadf9967024364ce9ed0ed0bd80cf1b699d193fd
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:wasm-6.4-latest
Fetching https://github.com/swiftlang/indexstore-db.git
[1/6140] Fetching indexstore-db
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Fetched https://github.com/swiftlang/swift-docc.git (4.85s)
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Fetched https://github.com/swiftlang/swift-docc-symbolkit.git (0.58s)
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Fetching https://github.com/swiftlang/swift-syntax.git
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Fetched https://github.com/swiftlang/swift-syntax.git (3.40s)
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Fetched https://github.com/apple/swift-crypto.git (1.24s)
Fetching https://github.com/apple/swift-system.git
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Fetched https://github.com/apple/swift-system.git (0.72s)
Fetching https://github.com/swiftlang/swift-toolchain-sqlite.git
[1/399] Fetching swift-toolchain-sqlite
Fetched https://github.com/swiftlang/swift-toolchain-sqlite.git (1.14s)
Fetching https://github.com/swiftlang/swift-driver.git
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Fetched https://github.com/swiftlang/swift-driver.git (1.58s)
Fetching https://github.com/apple/swift-argument-parser.git
Fetching https://github.com/apple/swift-nio.git
Fetching https://github.com/apple/swift-asn1.git
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Fetched https://github.com/apple/swift-argument-parser.git (0.87s)
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Fetched https://github.com/apple/swift-asn1.git (3.10s)
Fetched https://github.com/apple/swift-nio.git (3.14s)
Computing version for https://github.com/apple/swift-argument-parser.git
Computed https://github.com/apple/swift-argument-parser.git at 1.8.2 (3.30s)
Computing version for https://github.com/apple/swift-asn1.git
Computed https://github.com/apple/swift-asn1.git at 1.7.3 (0.18s)
Computing version for https://github.com/apple/swift-nio.git
Computed https://github.com/apple/swift-nio.git at 2.104.0 (0.26s)
Fetching https://github.com/apple/swift-atomics.git
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Computing version for https://github.com/apple/swift-atomics.git
Computed https://github.com/apple/swift-atomics.git at 1.3.1 (0.61s)
Creating working copy for https://github.com/apple/swift-asn1.git
Working copy of https://github.com/apple/swift-asn1.git resolved at 1.7.3
Creating working copy for https://github.com/swiftlang/swift-docc.git
Working copy of https://github.com/swiftlang/swift-docc.git resolved at main (6bcb354)
Creating working copy for https://github.com/swiftlang/swift-driver.git
Working copy of https://github.com/swiftlang/swift-driver.git resolved at main (d970b70)
Creating working copy for https://github.com/swiftlang/swift-tools-protocols.git
Working copy of https://github.com/swiftlang/swift-tools-protocols.git resolved at main (8f95171)
Creating working copy for https://github.com/swiftlang/swift-cmark.git
Working copy of https://github.com/swiftlang/swift-cmark.git resolved at gfm (a7ecfef)
Creating working copy for https://github.com/swiftlang/swift-format.git
Working copy of https://github.com/swiftlang/swift-format.git resolved at main (b15dd59)
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 (869129b)
Creating working copy for https://github.com/swiftlang/indexstore-db.git
Working copy of https://github.com/swiftlang/indexstore-db.git resolved at main (441ead7)
Creating working copy for https://github.com/swiftlang/swift-package-manager.git
Working copy of https://github.com/swiftlang/swift-package-manager.git resolved at main (7137197)
Creating working copy for https://github.com/apple/swift-crypto.git
Working copy of https://github.com/apple/swift-crypto.git resolved at 3.12.5 (d79c573)
Creating working copy for https://github.com/swiftlang/swift-syntax.git
Working copy of https://github.com/swiftlang/swift-syntax.git resolved at main (986ef52)
Creating working copy for https://github.com/apple/swift-collections.git
Working copy of https://github.com/apple/swift-collections.git resolved at 1.1.6 (c11818f)
Creating working copy for https://github.com/swiftlang/swift-docc-symbolkit.git
Working copy of https://github.com/swiftlang/swift-docc-symbolkit.git resolved at main (e9a4c0f)
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/swiftlang/swift-toolchain-sqlite.git
Working copy of https://github.com/swiftlang/swift-toolchain-sqlite.git resolved at 1.0.9 (c0ecc1e)
Creating working copy for https://github.com/swiftlang/swift-lmdb.git
Working copy of https://github.com/swiftlang/swift-lmdb.git resolved at main (866bc25)
Creating working copy for https://github.com/swiftlang/swift-tools-support-core.git
Working copy of https://github.com/swiftlang/swift-tools-support-core.git resolved at main (c574915)
Creating working copy for https://github.com/swiftlang/swift-llbuild.git
Working copy of https://github.com/swiftlang/swift-llbuild.git resolved at main (0a95849)
Creating working copy for https://github.com/apple/swift-certificates.git
Working copy of https://github.com/apple/swift-certificates.git resolved at 1.10.1 (386001a)
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/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/swiftlang/swift-markdown.git
Working copy of https://github.com/swiftlang/swift-markdown.git resolved at main (392b73b)
Building for debugging...
[Computing dependencies]
[Provisioning 88 / 168]
[Constructing description]
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[Starting]
[145 / 1856] SwiftSyntax604
[569 / 1856] llvmSupport
[570 / 1856] llvmSupport
/host/spi-builder-workspace/.build/checkouts/swift-llbuild/lib/llvm/Support/Threading.cpp:72:17: error: no member named 'thread' in namespace 'std'
   72 |     return std::thread::hardware_concurrency();
      |            ~~~~~^
/host/spi-builder-workspace/.build/checkouts/swift-llbuild/lib/llvm/Support/Threading.cpp:83:27: error: no member named 'thread' in namespace 'std'
   83 |   if (unsigned Val = std::thread::hardware_concurrency())
      |                      ~~~~~^
2 errors generated.
error: CompileC /host/spi-builder-workspace/.build/out/Intermediates.noindex/llbuild.build/Debug-webassembly-wasm32/llvmSupport-t.build/Objects-normal/wasm32/Threading.o /host/spi-builder-workspace/.build/checkouts/swift-llbuild/lib/llvm/Support/Threading.cpp normal wasm32 c++ com.apple.compilers.llvm.clang.1_0.compiler failed with a nonzero exit code. Command line:     cd /host

    Using response file: /host/spi-builder-workspace/.build/out/Intermediates.noindex/llbuild.build/Debug-webassembly-wasm32/llvmSupport-t.build/Objects-normal/wasm32/11b881b950eb02e21769317df93e9b41d1d7f0348e4e0901ae810dce93ca1a57-common-args.resp

    /usr/bin/clang -x c++ -target wasm32-unknown-wasip1 -fmessage-length\=0 -fdiagnostics-show-note-include-stack -fmacro-backtrace-limit\=0 -fcolor-diagnostics -Wno-trigraphs -Wno-missing-field-initializers -Wno-missing-prototypes -Wno-return-type -Wno-non-virtual-dtor -Wno-overloaded-virtual -Wno-exit-time-destructors -Wno-missing-braces -Wparentheses -Wswitch -Wno-unused-function -Wno-unused-label -Wno-unused-parameter -Wno-unused-variable -Wunused-value -Wno-empty-body -Wno-uninitialized -Wno-unknown-pragmas -w -Wno-shadow -Wno-four-char-constants -Wno-conversion -Wno-constant-conversion -Wno-int-conversion -Wno-bool-conversion -Wno-enum-conversion -Wno-float-conversion -Wno-non-literal-null-conversion -Wno-objc-literal-conversion -Wno-shorten-64-to-32 -Wno-newline-eof -Wno-c++11-extensions -Wno-implicit-fallthrough -fstrict-aliasing -Wdeprecated-declarations -Winvalid-offsetof -Wno-sign-conversion -Wno-infinite-recursion -Wno-move -Wno-comma -Wno-block-capture-autoreleasing -Wno-strict-prototypes -Wno-range-loop-analysis -Wno-semicolon-before-method-body --sysroot /root/.swiftpm/swift-sdks/swift-6.4.0-RELEASE_wasm.artifactbundle/swift-6.4.0-RELEASE_wasm/wasm32-unknown-wasip1/WASI.sdk @/host/spi-builder-workspace/.build/out/Intermediates.noindex/llbuild.build/Debug-webassembly-wasm32/llvmSupport-t.build/Objects-normal/wasm32/11b881b950eb02e21769317df93e9b41d1d7f0348e4e0901ae810dce93ca1a57-common-args.resp -MMD -MT dependencies -MF /host/spi-builder-workspace/.build/out/Intermediates.noindex/llbuild.build/Debug-webassembly-wasm32/llvmSupport-t.build/Objects-normal/wasm32/Threading.d --serialize-diagnostics /host/spi-builder-workspace/.build/out/Intermediates.noindex/llbuild.build/Debug-webassembly-wasm32/llvmSupport-t.build/Objects-normal/wasm32/Threading.dia -c /host/spi-builder-workspace/.build/checkouts/swift-llbuild/lib/llvm/Support/Threading.cpp -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/llbuild.build/Debug-webassembly-wasm32/llvmSupport-t.build/Objects-normal/wasm32/Threading.o
error: Build failed
BUILD FAILURE 6.4 wasm