Swift Package IndexBuild Information
Failed to build swift-driver, reference 0.50800.0 (2353b3), with Swift 6.3 for Wasm on 22 Apr 2026 14:01:39 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4609320-3":/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/SDGGiesbrecht/swift-driver.git
Reference: 0.50800.0
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/SDGGiesbrecht/swift-driver
* tag 0.50800.0 -> FETCH_HEAD
HEAD is now at 2353b37 Widened dependency constraints.
Cloned https://github.com/SDGGiesbrecht/swift-driver.git
Revision (git rev-parse @):
2353b37ce91a0fa587e16fba1ca205353781e0ed
SUCCESS checkout https://github.com/SDGGiesbrecht/swift-driver.git at 0.50800.0
========================================
Build
========================================
Selected platform: wasm
Swift version: 6.3
Building package at path: $PWD
https://github.com/SDGGiesbrecht/swift-driver.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-3":/host -w "$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-tools-support-core.git
Fetching https://github.com/apple/swift-argument-parser.git
Fetching https://github.com/jpsim/Yams.git
Fetching https://github.com/SDGGiesbrecht/swift-llbuild
[1/17447] Fetching swift-argument-parser
[525/35824] Fetching swift-argument-parser, swift-llbuild
[526/43020] Fetching swift-argument-parser, swift-llbuild, swift-tools-support-core
[6301/54571] Fetching swift-argument-parser, swift-llbuild, swift-tools-support-core, yams
Fetched https://github.com/apple/swift-tools-support-core.git from cache (5.35s)
Fetched https://github.com/apple/swift-argument-parser.git from cache (5.35s)
Fetched https://github.com/SDGGiesbrecht/swift-llbuild from cache (5.39s)
Fetched https://github.com/jpsim/Yams.git from cache (5.43s)
Computing version for https://github.com/apple/swift-tools-support-core.git
Computed https://github.com/apple/swift-tools-support-core.git at 0.5.2 (6.89s)
Fetching https://github.com/apple/swift-system.git
[1/5601] Fetching swift-system
Fetched https://github.com/apple/swift-system.git from cache (2.53s)
Computing version for https://github.com/SDGGiesbrecht/swift-llbuild
Computed https://github.com/SDGGiesbrecht/swift-llbuild at 0.50800.0 (3.52s)
Computing version for https://github.com/apple/swift-system.git
Computed https://github.com/apple/swift-system.git at 1.1.1 (0.67s)
Computing version for https://github.com/jpsim/Yams.git
Computed https://github.com/jpsim/Yams.git at 5.4.0 (0.88s)
Computing version for https://github.com/apple/swift-argument-parser.git
Computed https://github.com/apple/swift-argument-parser.git at 1.7.1 (0.68s)
Creating working copy for https://github.com/apple/swift-system.git
Working copy of https://github.com/apple/swift-system.git resolved at 1.1.1
Creating working copy for https://github.com/SDGGiesbrecht/swift-llbuild
Working copy of https://github.com/SDGGiesbrecht/swift-llbuild resolved at 0.50800.0
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 1.7.1
Creating working copy for https://github.com/jpsim/Yams.git
Working copy of https://github.com/jpsim/Yams.git resolved at 5.4.0
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 0.5.2
[1/1] Compiling plugin GenerateManual
[2/2] Compiling plugin GenerateDoccReference
Building for debugging...
[2/144] Write sources
[6/144] Compiling makeOptions main.cpp
[6/144] Compiling CSwiftScan CSwiftScanImpl.c
[8/144] Compiling llvmSupport Valgrind.cpp
[9/144] Write swift-version-24593BA9C3E375BF.txt
[10/144] Compiling llvmSupport UnicodeCaseFold.cpp
[11/144] Compiling llvmSupport circular_raw_ostream.cpp
[12/144] 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.
[13/144] Compiling llvmSupport Threading.cpp
[13/144] Compiling llvmSupport StringSaver.cpp
/host/spi-builder-workspace/Sources/makeOptions/makeOptions.cpp:42:2: warning: "Unable to include 'swift/Option/Options.inc', `makeOptions` will not be usable" [-W#warnings]
42 | #warning "Unable to include 'swift/Option/Options.inc', `makeOptions` will not be usable"
| ^
[13/144] Compiling makeOptions makeOptions.cpp
[13/144] Compiling llvmSupport raw_ostream.cpp
[13/144] Compiling llvmSupport Triple.cpp
[13/144] Compiling llvmSupport Unicode.cpp
[13/144] Compiling llvmSupport TargetParser.cpp
[13/144] Compiling llvmSupport YAMLParser.cpp
BUILD FAILURE 6.3 wasm