Swift Package IndexBuild Information
Failed to build swift-driver, reference main (302fc8), with Swift 6.3 for Wasm on 2 May 2026 01:09:52 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
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Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
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Clone URL: https://github.com/swiftlang/swift-driver.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/swift-driver
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at 302fc81 SwiftDriver: always pass `-sysroot` flag if specified
Cloned https://github.com/swiftlang/swift-driver.git
Revision (git rev-parse @):
302fc811f4557302aa7be961321a4ae6053be0d1
SUCCESS checkout https://github.com/swiftlang/swift-driver.git at main
========================================
Build
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Selected platform: wasm
Swift version: 6.3
Building package at path: $PWD
https://github.com/swiftlang/swift-driver.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-3":/host -w "$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/swiftlang/swift-llbuild.git
[1/29511] Fetching swift-llbuild
Fetched https://github.com/swiftlang/swift-llbuild.git from cache (3.82s)
Fetching https://github.com/swiftlang/swift-tools-support-core.git
[1/7226] Fetching swift-tools-support-core
Fetched https://github.com/swiftlang/swift-tools-support-core.git from cache (1.39s)
Fetching https://github.com/apple/swift-argument-parser.git
Fetching https://github.com/swiftlang/swift-toolchain-sqlite
[1/285] Fetching swift-toolchain-sqlite
[10/17842] Fetching swift-toolchain-sqlite, swift-argument-parser
Fetched https://github.com/swiftlang/swift-toolchain-sqlite from cache (1.56s)
Fetched https://github.com/apple/swift-argument-parser.git from cache (1.56s)
Computing version for https://github.com/apple/swift-argument-parser.git
Computed https://github.com/apple/swift-argument-parser.git at 1.7.1 (3.91s)
Computing version for https://github.com/swiftlang/swift-toolchain-sqlite
Computed https://github.com/swiftlang/swift-toolchain-sqlite at 1.0.9 (1.24s)
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/swiftlang/swift-llbuild.git
Working copy of https://github.com/swiftlang/swift-llbuild.git resolved at main (fd2284d)
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 (c8832dc)
Creating working copy for https://github.com/swiftlang/swift-toolchain-sqlite
Working copy of https://github.com/swiftlang/swift-toolchain-sqlite resolved at 1.0.9
[1/1] Compiling plugin GenerateManual
[2/2] Compiling plugin GenerateDoccReference
Building for debugging...
[2/135] Write sources
[5/135] Compiling makeOptions main.cpp
[6/135] Compiling llvmSupport Valgrind.cpp
[7/135] Compiling CSwiftScan CSwiftScanImpl.c
[8/135] Write swift-version-24593BA9C3E375BF.txt
[9/135] Compiling llvmSupport UnicodeCaseFold.cpp
/host/spi-builder-workspace/Sources/makeOptions/makeOptions.cpp:428:2: warning: "Unable to include 'swift/Option/Options.inc', `makeOptions` will not be usable" [-W#warnings]
428 | #warning "Unable to include 'swift/Option/Options.inc', `makeOptions` will not be usable"
| ^
1 warning generated.
[10/135] Compiling makeOptions makeOptions.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.
[11/135] Compiling llvmSupport Threading.cpp
[11/135] Compiling llvmSupport Triple.cpp
[11/135] Compiling llvmSupport Unicode.cpp
[11/135] Compiling llvmSupport Twine.cpp
[11/135] Compiling llvmSupport YAMLParser.cpp
[11/135] Compiling llvmSupport raw_ostream.cpp
[11/135] Compiling llvmSupport circular_raw_ostream.cpp
[11/135] Write Objects.LinkFileList
BUILD FAILURE 6.3 wasm