Swift Package IndexBuild Information
Failed to build SwiftBacktrace, reference 1.0.1 (1b4bbe), with Swift 6.4 for Android on 16 Sep 2026 02:51:49 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-53886770-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:android-6.4-latest swift build --swift-sdk aarch64-unknown-linux-android28 2>&1Build Log
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RunAll
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Builder version: 5.1.0
Interrupt handler set up.
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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
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Build
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Selected platform: android
Swift version: 6.4
Building package at path: $PWD
https://github.com/norio-nomura/swiftbacktrace.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-53886770-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:android-6.4-latest swift build --swift-sdk aarch64-unknown-linux-android28 2>&1
android-6.4-latest: Pulling from saguaro1/spi-images
Digest: sha256:abadcff584c273feba50641b454858d377ba30b35ea7287a94f45ebd8afd0ea0
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:android-6.4-latest
Fetching https://github.com/apple/swift-nio.git
[1/85947] Fetching swift-nio
Fetched https://github.com/apple/swift-nio.git (3.02s)
Computing version for https://github.com/apple/swift-nio.git
Computed https://github.com/apple/swift-nio.git at 2.102.0 (3.37s)
Fetching https://github.com/apple/swift-system.git
Fetching https://github.com/apple/swift-collections.git
Fetching https://github.com/apple/swift-atomics.git
[1/1875] Fetching swift-atomics
[1876/8773] Fetching swift-atomics, swift-system
[8774/36018] Fetching swift-atomics, swift-system, swift-collections
Fetched https://github.com/apple/swift-atomics.git (1.17s)
Fetched https://github.com/apple/swift-system.git (1.17s)
Fetched https://github.com/apple/swift-collections.git (1.18s)
Computing version for https://github.com/apple/swift-atomics.git
Computed https://github.com/apple/swift-atomics.git at 1.3.1 (1.37s)
Computing version for https://github.com/apple/swift-collections.git
Computed https://github.com/apple/swift-collections.git at 1.6.0 (0.29s)
Computing version for https://github.com/apple/swift-system.git
Computed https://github.com/apple/swift-system.git at 1.8.1 (0.21s)
Creating working copy for https://github.com/apple/swift-atomics.git
Working copy of https://github.com/apple/swift-atomics.git resolved at 1.3.1
Creating working copy for https://github.com/apple/swift-nio.git
Working copy of https://github.com/apple/swift-nio.git resolved at 2.102.0
Creating working copy for https://github.com/apple/swift-collections.git
Working copy of https://github.com/apple/swift-collections.git resolved at 1.6.0
Creating working copy for https://github.com/apple/swift-system.git
Working copy of https://github.com/apple/swift-system.git resolved at 1.8.1
Building for debugging...
[Constructing description]
[Planning deferred tasks]
In file included from /host/spi-builder-workspace/Sources/Clibunwind/Clibunwind.cpp:1:
[1m/host/spi-builder-workspace/Sources/Clibunwind/include/Clibunwind.h:33:3: [0m[0;1;31merror: [0m[1m"Unsupported arch"[0m
33 | # error [0;32m"Unsupported arch"[0m
| [0;1;32m ^
[0m1 error generated.
error: CompileC /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftBacktrace.build/Debug-android-aarch64/Clibunwind-t.build/Objects-normal/aarch64/Clibunwind.o /host/spi-builder-workspace/Sources/Clibunwind/Clibunwind.cpp normal aarch64 c++ com.apple.compilers.llvm.clang.1_0.compiler failed with a nonzero exit code. Command line: cd /host
Using response file: /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftBacktrace.build/Debug-android-aarch64/Clibunwind-t.build/Objects-normal/aarch64/11b881b950eb02e21769317df93e9b41d1d7f0348e4e0901ae810dce93ca1a57-common-args.resp
/root/.local/share/swiftly/toolchains/6.4.x-snapshot-2026-09-04/usr/bin/clang -x c++ -target aarch64-unknown-linux-android28 -fmessage-length\=0 -fdiagnostics-show-note-include-stack -fmacro-backtrace-limit\=0 -fcolor-diagnostics -Wno-trigraphs -Wno-missing-field-initializers -Wno-missing-prototypes -Wno-return-type -Wno-non-virtual-dtor -Wno-overloaded-virtual -Wno-exit-time-destructors -Wno-missing-braces -Wparentheses -Wswitch -Wno-unused-function -Wno-unused-label -Wno-unused-parameter -Wno-unused-variable -Wunused-value -Wno-empty-body -Wno-uninitialized -Wno-unknown-pragmas -Wno-shadow -Wno-four-char-constants -Wno-conversion -Wno-constant-conversion -Wno-int-conversion -Wno-bool-conversion -Wno-enum-conversion -Wno-float-conversion -Wno-non-literal-null-conversion -Wno-objc-literal-conversion -Wno-shorten-64-to-32 -Wno-newline-eof -Wno-c++11-extensions -Wno-implicit-fallthrough -fstrict-aliasing -Wdeprecated-declarations -Winvalid-offsetof -Wno-sign-conversion -Wno-infinite-recursion -Wno-move -Wno-comma -Wno-block-capture-autoreleasing -Wno-strict-prototypes -Wno-range-loop-analysis -Wno-semicolon-before-method-body --sysroot /android-ndk/android-ndk-r27d/toolchains/llvm/prebuilt/linux-x86_64/sysroot @/host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftBacktrace.build/Debug-android-aarch64/Clibunwind-t.build/Objects-normal/aarch64/11b881b950eb02e21769317df93e9b41d1d7f0348e4e0901ae810dce93ca1a57-common-args.resp -MMD -MT dependencies -MF /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftBacktrace.build/Debug-android-aarch64/Clibunwind-t.build/Objects-normal/aarch64/Clibunwind.d --serialize-diagnostics /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftBacktrace.build/Debug-android-aarch64/Clibunwind-t.build/Objects-normal/aarch64/Clibunwind.dia -c /host/spi-builder-workspace/Sources/Clibunwind/Clibunwind.cpp -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftBacktrace.build/Debug-android-aarch64/Clibunwind-t.build/Objects-normal/aarch64/Clibunwind.o
error: Build failed
BUILD FAILURE 6.4 android