CombineX – Build Information – Swift Package Index

Build Information

Failed to build CombineX, reference master (299bc0), with Swift 6.4 for Android on 17 Sep 2026 18:32:34 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-54344844-0":/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

Build Log

========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/cx-org/CombineX.git
Reference: master
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/cx-org/CombineX
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 299bc0f fix swift 5.4 on linux
Submodule path 'CXShim': checked out '07309a901b26c043c33d04746ff96d6caaa99737'
Submodule path 'CXTest': checked out '37c165eab3505d1f1e3bb7f12518db5ff4fad569'
Submodule 'CXShim' (https://github.com/cx-org/CXShim) registered for path 'CXShim'
Submodule 'CXTest' (https://github.com/cx-org/CXTest) registered for path 'CXTest'
Cloning into '/host/spi-builder-workspace/CXShim'...
Cloning into '/host/spi-builder-workspace/CXTest'...
Cloned https://github.com/cx-org/CombineX.git
Revision (git rev-parse @):
299bc0f8861f7aa6708780457aeeafab1c51eaa7
SUCCESS checkout https://github.com/cx-org/CombineX.git at master
========================================
Build
========================================
Selected platform:         android
Swift version:             6.4
Building package at path:  $PWD
https://github.com/cx-org/CombineX.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344844-0":/host -w "$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/Quick/Nimble.git
Fetching https://github.com/ddddxxx/Semver.git
Fetching https://github.com/Quick/Quick.git
Fetching https://github.com/apple/swift-atomics.git
[1/398] Fetching semver
[399/2273] Fetching semver, swift-atomics
[2012/17198] Fetching semver, swift-atomics, quick
Fetched https://github.com/apple/swift-atomics.git (0.56s)
[4130/15323] Fetching semver, quick
[15324/35309] Fetching semver, quick, nimble
Fetched https://github.com/ddddxxx/Semver.git (0.72s)
Fetched https://github.com/Quick/Quick.git (0.73s)
[2199/19986] Fetching nimble
Fetched https://github.com/Quick/Nimble.git (1.10s)
Computing version for https://github.com/ddddxxx/Semver.git
Computed https://github.com/ddddxxx/Semver.git at 0.2.1 (1.28s)
Computing version for https://github.com/apple/swift-atomics.git
Computed https://github.com/apple/swift-atomics.git at 0.0.3 (0.18s)
Computing version for https://github.com/Quick/Nimble.git
Computed https://github.com/Quick/Nimble.git at 9.2.1 (0.19s)
Fetching https://github.com/mattgallagher/CwlPreconditionTesting.git
[1/1257] Fetching cwlpreconditiontesting
Fetched https://github.com/mattgallagher/CwlPreconditionTesting.git (0.58s)
Computing version for https://github.com/Quick/Quick.git
Computed https://github.com/Quick/Quick.git at 3.1.2 (0.81s)
Computing version for https://github.com/mattgallagher/CwlPreconditionTesting.git
Computed https://github.com/mattgallagher/CwlPreconditionTesting.git at 2.2.2 (0.22s)
Fetching https://github.com/mattgallagher/CwlCatchException.git
[1/460] Fetching cwlcatchexception
Fetched https://github.com/mattgallagher/CwlCatchException.git (0.45s)
Computing version for https://github.com/mattgallagher/CwlCatchException.git
Computed https://github.com/mattgallagher/CwlCatchException.git at 2.2.1 (0.63s)
Creating working copy for https://github.com/mattgallagher/CwlPreconditionTesting.git
Working copy of https://github.com/mattgallagher/CwlPreconditionTesting.git resolved at 2.2.2
Creating working copy for https://github.com/ddddxxx/Semver.git
Working copy of https://github.com/ddddxxx/Semver.git resolved at 0.2.1
Creating working copy for https://github.com/Quick/Quick.git
Working copy of https://github.com/Quick/Quick.git resolved at 3.1.2
Creating working copy for https://github.com/apple/swift-atomics.git
Working copy of https://github.com/apple/swift-atomics.git resolved at 0.0.3
Creating working copy for https://github.com/Quick/Nimble.git
Working copy of https://github.com/Quick/Nimble.git resolved at 9.2.1
Creating working copy for https://github.com/mattgallagher/CwlCatchException.git
Working copy of https://github.com/mattgallagher/CwlCatchException.git resolved at 2.2.1
Building for debugging...
[Computing dependencies]
[Pre-planning 1 / 390]
[Planning deferred tasks]
[78 / 162] Atomics
[96 / 192] _AtomicsShims
error: SwiftCompile normal aarch64 failed with a nonzero exit code. Command line:     cd /host

/host/spi-builder-workspace/Sources/CXUtility/Locking.swift:7:8: [1;31merror: [1;39mno such module 'Darwin.C'[0;0m
  [0;36m5 |[0;0m import WinSDK
  [0;36m6 |[0;0m #else
  [0;36m7 |[0;0m import Darwin.C
    [0;36m|[0;0m        `- [1;31merror: [1;39mno such module 'Darwin.C'[0;0m
  [0;36m8 |[0;0m #endif
  [0;36m9 |[0;0m
Failed frontend command:
/root/.local/share/swiftly/toolchains/6.4.x-snapshot-2026-09-04/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /host/spi-builder-workspace/Sources/CXUtility/Const.swift /host/spi-builder-workspace/Sources/CXUtility/LockedAtomic.swift /host/spi-builder-workspace/Sources/CXUtility/Locking.swift /host/spi-builder-workspace/Sources/CXUtility/Math.swift -target aarch64-unknown-linux-android28 -Xllvm -aarch64-use-tbi -disable-objc-interop -sdk /android-ndk/android-ndk-r27d/toolchains/llvm/prebuilt/linux-x86_64/sysroot -sysroot /android-ndk/android-ndk-r27d/toolchains/llvm/prebuilt/linux-x86_64/sysroot -I /host/spi-builder-workspace/.build/out/Products/Debug-android-aarch64 -module-cache-path /host/spi-builder-workspace/.build/out/ModuleCache.noindex -color-diagnostics -Xcc -fcolor-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -swift-version 5 -Onone -D SWIFT_PACKAGE -D DEBUG -D SWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -D Xcode -serialize-debugging-options -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -external-plugin-path /root/.local/share/swiftly/toolchains/6.4.x-snapshot-2026-09-04/usr/lib/swift/host/plugins/testing\#/root/.local/share/swiftly/toolchains/6.4.x-snapshot-2026-09-04/usr/bin/swift-plugin-server -validate-clang-modules-once -clang-build-session-file /host/spi-builder-workspace/.build/out/ModuleCache.noindex/Session.modulevalidation -Xcc -working-directory -Xcc /host -resource-dir /root/.swiftpm/swift-sdks/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_android.artifactbundle/swift-android/swift-resources/usr/lib/swift-aarch64 -enable-anonymous-context-mangled-names -file-compilation-dir /host -Xcc -resource-dir -Xcc /android-ndk/android-ndk-r27d/toolchains/llvm/prebuilt/linux-x86_64/lib/clang/18 -Xcc -fno-omit-frame-pointer -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -Xcc -I/host/spi-builder-workspace/.build/out/Products/Debug-android-aarch64/include -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/CombineX.build/Debug-android-aarch64/CXUtility-t.build/DerivedSources-normal/aarch64 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/CombineX.build/Debug-android-aarch64/CXUtility-t.build/DerivedSources/aarch64 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/CombineX.build/Debug-android-aarch64/CXUtility-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name CXUtility -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/CombineX.build/Debug-android-aarch64/CXUtility-t.build/Objects-normal/aarch64/CXUtility_const_extract_protocols.json -in-process-plugin-server-path /root/.local/share/swiftly/toolchains/6.4.x-snapshot-2026-09-04/usr/lib/swift/host/libSwiftInProcPluginServer.so -plugin-path /root/.local/share/swiftly/toolchains/6.4.x-snapshot-2026-09-04/usr/lib/swift/host/plugins -plugin-path /root/.local/share/swiftly/toolchains/6.4.x-snapshot-2026-09-04/usr/local/lib/swift/host/plugins -emit-module-doc-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/CombineX.build/Debug-android-aarch64/CXUtility-t.build/Objects-normal/aarch64/Modules/CXUtility.swiftdoc -emit-module-source-info-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/CombineX.build/Debug-android-aarch64/CXUtility-t.build/Objects-normal/aarch64/Modules/CXUtility.swiftsourceinfo -emit-objc-header-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/CombineX.build/Debug-android-aarch64/CXUtility-t.build/Objects-normal/aarch64/CXUtility-Swift.h -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/CombineX.build/Debug-android-aarch64/CXUtility-t.build/Objects-normal/aarch64/CXUtility-primary-emit-module.dia -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/CombineX.build/Debug-android-aarch64/CXUtility-t.build/Objects-normal/aarch64/CXUtility-primary-emit-module.d -parse-as-library -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/CombineX.build/Debug-android-aarch64/CXUtility-t.build/Objects-normal/aarch64/Modules/CXUtility.swiftmodule
error: Build failed
BUILD FAILURE 6.4 android