Swift Package IndexBuild Information
Failed to build llbuild2, reference 0.23.0 (6f2de5), with Swift 6.3 for Wasm on 14 Apr 2026 23:58:39 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4609320-2":/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/apple/swift-llbuild2.git
Reference: 0.23.0
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/apple/swift-llbuild2
* tag 0.23.0 -> FETCH_HEAD
HEAD is now at 6f2de58 InternalKey: calculate stableHashValue & cachePath once
Cloned https://github.com/apple/swift-llbuild2.git
Revision (git rev-parse @):
6f2de5894006d174d225710c06dacc4764744301
SUCCESS checkout https://github.com/apple/swift-llbuild2.git at 0.23.0
========================================
Build
========================================
Selected platform: wasm
Swift version: 6.3
Building package at path: $PWD
https://github.com/apple/swift-llbuild2.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-2":/host -w "$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/apple/swift-log.git
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Fetching https://github.com/grpc/grpc-swift.git
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Creating working copy for https://github.com/apple/swift-http-structured-headers.git
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Creating working copy for https://github.com/apple/swift-async-algorithms.git
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Creating working copy for https://github.com/apple/swift-tools-support-core.git
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Working copy of https://github.com/apple/swift-crypto.git resolved at 3.15.1
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Working copy of https://github.com/apple/swift-http-types.git resolved at 1.5.1
Creating working copy for https://github.com/apple/swift-nio.git
Working copy of https://github.com/apple/swift-nio.git resolved at 2.97.1
Creating working copy for https://github.com/apple/swift-llbuild.git
Working copy of https://github.com/apple/swift-llbuild.git resolved at 0.5.0
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 2.11.0
Creating working copy for https://github.com/apple/swift-collections.git
Working copy of https://github.com/apple/swift-collections.git resolved at 1.4.1
Creating working copy for https://github.com/apple/swift-asn1.git
Working copy of https://github.com/apple/swift-asn1.git resolved at 1.6.0
Creating working copy for https://github.com/apple/swift-log.git
Working copy of https://github.com/apple/swift-log.git resolved at 1.12.0
Creating working copy for https://github.com/apple/swift-nio-transport-services.git
Working copy of https://github.com/apple/swift-nio-transport-services.git resolved at 1.26.0
Creating working copy for https://github.com/apple/swift-service-context.git
Working copy of https://github.com/apple/swift-service-context.git resolved at 1.3.0
Creating working copy for https://github.com/apple/swift-nio-extras.git
Working copy of https://github.com/apple/swift-nio-extras.git resolved at 1.33.0
Creating working copy for https://github.com/apple/swift-tools-support-async.git
Working copy of https://github.com/apple/swift-tools-support-async.git resolved at 0.18.0
Creating working copy for https://github.com/apple/swift-protobuf.git
Working copy of https://github.com/apple/swift-protobuf.git resolved at 1.36.1
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/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/grpc/grpc-swift.git
Working copy of https://github.com/grpc/grpc-swift.git resolved at 1.27.5
Creating working copy for https://github.com/apple/swift-nio-ssl.git
Working copy of https://github.com/apple/swift-nio-ssl.git resolved at 2.36.1
[1/1] Compiling plugin GRPCSwiftPlugin
[2/2] Compiling plugin SwiftProtobufPlugin
[3/3] Compiling plugin GenerateManual
[4/4] Compiling plugin GenerateDoccReference
Building for debugging...
[4/988] Write sources
[11/988] Compiling llvmSupport UnicodeCaseFold.cpp
[12/988] Write swift-version-24593BA9C3E375BF.txt
[13/988] Compiling llvmSupport Valgrind.cpp
[14/988] Compiling llvmSupport circular_raw_ostream.cpp
[15/988] Compiling llvmSupport Unicode.cpp
[16/988] Compiling llvmSupport raw_ostream.cpp
[17/988] Compiling llvmSupport Twine.cpp
/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.
[18/988] Compiling llvmSupport Threading.cpp
[18/988] Compiling llvmSupport Triple.cpp
[18/988] Compiling llvmSupport StringRef.cpp
[18/988] Compiling llvmSupport StringMap.cpp
[18/988] Compiling llvmSupport StringExtras.cpp
[18/988] Compiling llvmSupport StringSaver.cpp
[18/988] Compiling llvmSupport TargetParser.cpp
[18/988] Compiling llvmSupport YAMLParser.cpp
BUILD FAILURE 6.3 wasm