Swift Package IndexBuild Information
Failed to build swift-create-xcframework, reference main (88472e), with Swift 6.3 for Wasm on 13 Apr 2026 08:22:11 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4606859-3":/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
========================================
Clone URL: https://github.com/unsignedapps/swift-create-xcframework.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/unsignedapps/swift-create-xcframework
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at 88472e8 Update README.md
Cloned https://github.com/unsignedapps/swift-create-xcframework.git
Revision (git rev-parse @):
88472e8e4f0227a47ca461fccd38c6d080ad92f2
SUCCESS checkout https://github.com/unsignedapps/swift-create-xcframework.git at main
========================================
Build
========================================
Selected platform: wasm
Swift version: 6.3
Building package at path: $PWD
https://github.com/unsignedapps/swift-create-xcframework.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-3":/host -w "$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-package-manager.git
[1/177211] Fetching swift-package-manager
Fetched https://github.com/apple/swift-package-manager.git from cache (14.90s)
Fetching https://github.com/apple/swift-tools-support-core.git
[1/7187] Fetching swift-tools-support-core
Fetched https://github.com/apple/swift-tools-support-core.git from cache (0.60s)
Fetching https://github.com/apple/swift-llbuild.git
[1/29496] Fetching swift-llbuild
Fetched https://github.com/apple/swift-llbuild.git from cache (2.76s)
Fetching https://github.com/apple/swift-driver.git
[1/37632] Fetching swift-driver
Fetched https://github.com/apple/swift-driver.git from cache (6.82s)
Fetching https://github.com/jpsim/Yams.git
Fetching https://github.com/apple/swift-argument-parser.git
Fetching https://github.com/apple/swift-system.git
Fetching https://github.com/apple/swift-collections.git
Fetching https://github.com/apple/swift-crypto.git
[1/23537] Fetching swift-collections
[2/41060] Fetching swift-collections, swift-argument-parser
[3/46661] Fetching swift-collections, swift-argument-parser, swift-system
[2082/58212] Fetching swift-collections, swift-argument-parser, swift-system, yams
[3643/75543] Fetching swift-collections, swift-argument-parser, swift-system, yams, swift-crypto
Fetched https://github.com/apple/swift-system.git from cache (5.37s)
Fetched https://github.com/apple/swift-argument-parser.git from cache (5.38s)
Fetched https://github.com/apple/swift-collections.git from cache (5.40s)
Fetched https://github.com/apple/swift-crypto.git from cache (5.41s)
Fetched https://github.com/jpsim/Yams.git from cache (5.42s)
Computing version for https://github.com/apple/swift-argument-parser.git
Computed https://github.com/apple/swift-argument-parser.git at 1.0.3 (7.37s)
Computing version for https://github.com/apple/swift-system.git
Computed https://github.com/apple/swift-system.git at 1.1.1 (0.88s)
Computing version for https://github.com/apple/swift-crypto.git
Computed https://github.com/apple/swift-crypto.git at 1.1.7 (0.68s)
Computing version for https://github.com/apple/swift-collections.git
Computed https://github.com/apple/swift-collections.git at 1.0.6 (0.95s)
Computing version for https://github.com/jpsim/Yams.git
Computed https://github.com/jpsim/Yams.git at 4.0.6 (0.47s)
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 release/5.7 (286b48b)
Creating working copy for https://github.com/apple/swift-crypto.git
Working copy of https://github.com/apple/swift-crypto.git resolved at 1.1.7
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 1.0.3
Creating working copy for https://github.com/apple/swift-llbuild.git
Working copy of https://github.com/apple/swift-llbuild.git resolved at release/5.7 (564424d)
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/apple/swift-driver.git
Working copy of https://github.com/apple/swift-driver.git resolved at release/5.7 (82b274a)
Creating working copy for https://github.com/jpsim/Yams.git
Working copy of https://github.com/jpsim/Yams.git resolved at 4.0.6
Creating working copy for https://github.com/apple/swift-package-manager.git
Working copy of https://github.com/apple/swift-package-manager.git resolved at release/5.7 (c6e40ad)
Creating working copy for https://github.com/apple/swift-collections.git
Working copy of https://github.com/apple/swift-collections.git resolved at 1.0.6
Building for debugging...
[0/571] Write sources
[7/571] Write swift-version-24593BA9C3E375BF.txt
[8/571] Compiling llvmSupport UnicodeCaseFold.cpp
[9/571] Compiling llvmSupport Valgrind.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.
[10/571] Compiling llvmSupport Threading.cpp
[10/571] Compiling llvmSupport circular_raw_ostream.cpp
[10/571] Compiling llvmSupport Triple.cpp
[10/571] Compiling llvmSupport Unicode.cpp
[10/571] Compiling llvmSupport YAMLParser.cpp
[10/571] Compiling llvmSupport raw_ostream.cpp
[10/571] Compiling llvmSupport Twine.cpp
[10/571] Compiling llvmSupport TargetParser.cpp
BUILD FAILURE 6.3 wasm