Swift Package Index

Build Information

Failed to build SwiftBacktrace, reference 1.0.1 (1b4bbe), with Swift 6.3 for Wasm on 10 Apr 2026 14:40:24 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/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

Build Log

========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/norio-nomura/swiftbacktrace.git
Reference: 1.0.1
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/norio-nomura/swiftbacktrace
 * tag               1.0.1      -> FETCH_HEAD
HEAD is now at 1b4bbe8 Merge pull request #19 from norio-nomura/revert-#18
Cloned https://github.com/norio-nomura/swiftbacktrace.git
Revision (git rev-parse @):
1b4bbe87c19d5e2e04786d8140ab36fec4b7881b
SUCCESS checkout https://github.com/norio-nomura/swiftbacktrace.git at 1.0.1
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.3
Building package at path:  $PWD
https://github.com/norio-nomura/swiftbacktrace.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/host -w "$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-nio.git
[1/83101] Fetching swift-nio
Fetched https://github.com/apple/swift-nio.git from cache (6.23s)
Computing version for https://github.com/apple/swift-nio.git
Computed https://github.com/apple/swift-nio.git at 2.97.1 (7.20s)
Fetching https://github.com/apple/swift-system.git
Fetching https://github.com/apple/swift-atomics.git
Fetching https://github.com/apple/swift-collections.git
[1/1820] Fetching swift-atomics
[1821/7421] Fetching swift-atomics, swift-system
[2046/30946] Fetching swift-atomics, swift-system, swift-collections
Fetched https://github.com/apple/swift-system.git from cache (0.53s)
[3938/25345] Fetching swift-atomics, swift-collections
Fetched https://github.com/apple/swift-atomics.git from cache (1.81s)
Fetched https://github.com/apple/swift-collections.git from cache (1.87s)
Computing version for https://github.com/apple/swift-atomics.git
Computed https://github.com/apple/swift-atomics.git at 1.3.0 (2.47s)
Computing version for https://github.com/apple/swift-system.git
Computed https://github.com/apple/swift-system.git at 1.6.4 (0.55s)
Computing version for https://github.com/apple/swift-collections.git
Computed https://github.com/apple/swift-collections.git at 1.4.1 (1.85s)
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-system.git
Working copy of https://github.com/apple/swift-system.git resolved at 1.6.4
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-atomics.git
Working copy of https://github.com/apple/swift-atomics.git resolved at 1.3.0
Building for debugging...
[0/7] Write sources
In file included from /host/spi-builder-workspace/Sources/Clibunwind/Clibunwind.cpp:1:
/host/spi-builder-workspace/Sources/Clibunwind/include/Clibunwind.h:33:3: error: "Unsupported arch"
   33 | # error "Unsupported arch"
      |   ^
1 error generated.
[2/7] Compiling Clibunwind Clibunwind.cpp
[2/7] Compiling c-nioatomics.c
[2/7] Compiling CSwiftBacktrace CSwiftBacktrace.cpp
[2/7] Compiling c-atomics.c
[2/7] Write swift-version-24593BA9C3E375BF.txt
BUILD FAILURE 6.3 wasm