Swift Package IndexBuild Information
Failed to build MNISTKit, reference 0.0.7 (15ba9b), with Swift 6.4 for Android on 16 Sep 2026 04:03:30 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-54344847-0":/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>&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
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Clone URL: https://github.com/octadero/mnistkit.git
Reference: 0.0.7
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/octadero/mnistkit
* tag 0.0.7 -> FETCH_HEAD
HEAD is now at 15ba9ba Update DataSetProvider.swift
Cloned https://github.com/octadero/mnistkit.git
Revision (git rev-parse @):
15ba9ba1a7e216ba427fbc994e842bed2137142c
SUCCESS checkout https://github.com/octadero/mnistkit.git at 0.0.7
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Build
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Selected platform: android
Swift version: 6.4
Building package at path: $PWD
https://github.com/octadero/mnistkit.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344847-0":/host -w "$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/Octadero/Unarchiver.git
[1/24] Fetching unarchiver
Fetched https://github.com/Octadero/Unarchiver.git (0.43s)
Computing version for https://github.com/Octadero/Unarchiver.git
Computed https://github.com/Octadero/Unarchiver.git at 0.0.5 (0.62s)
Fetching https://github.com/Octadero/CZlib.git
[1/15] Fetching czlib
Fetched https://github.com/Octadero/CZlib.git (0.41s)
Computing version for https://github.com/Octadero/CZlib.git
Computed https://github.com/Octadero/CZlib.git at 0.0.5 (0.60s)
Creating working copy for https://github.com/Octadero/Unarchiver.git
Working copy of https://github.com/Octadero/Unarchiver.git resolved at 0.0.5
Creating working copy for https://github.com/Octadero/CZlib.git
Working copy of https://github.com/Octadero/CZlib.git resolved at 0.0.5
warning: 'czlib': ignoring declared target(s) 'CZlib' in the system package
warning: 'czlib': ignoring declared target(s) 'CZlib' in the system package
warning: 'czlib': you may be able to install libz using your system-packager:
apt-get install libz-dev
Building for debugging...
[Pre-planning 1 / 97]
[28 / 43] Unarchiver
[38 / 48] MNISTKit
/host/spi-builder-workspace/Sources/MNISTKit/MNISTKit.swift:39:16: [1;33mwarning: [1;39m'Hashable.hashValue' is deprecated as a protocol requirement; conform type 'MNISTFileKind' to 'Hashable' by implementing 'hash(into:)' instead[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration\DeprecatedDeclaration]8;;\]
[0;36m37 |[0;0m
[0;36m38 |[0;0m /// Simple, but fast work.
[0;36m39 |[0;0m public var hashValue: Int {
[0;36m|[0;0m `- [1;33mwarning: [1;39m'Hashable.hashValue' is deprecated as a protocol requirement; conform type 'MNISTFileKind' to 'Hashable' by implementing 'hash(into:)' instead[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration\DeprecatedDeclaration]8;;\]
[0;36m40 |[0;0m switch self {
[0;36m41 |[0;0m case .label(stride: .train):
[#DeprecatedDeclaration]: <https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration>
[43 / 48] Unarchiver
error: SwiftCompile normal aarch64 /host/spi-builder-workspace/Sources/MNISTKit/DataSetProvider.swift failed with a nonzero exit code. Command line: cd /host
builtin-SwiftPerFileCompile DataSetProvider.swift
/host/spi-builder-workspace/Sources/MNISTKit/DataSetProvider.swift:52:80: [1;31merror: [1;39mtype 'URLSessionConfiguration' (aka 'AnyObject') has no member 'default'[0;0m
[0;36m50 |[0;0m }
[0;36m51 |[0;0m
[0;36m52 |[0;0m let urlSession = URLSession(configuration: [4;39mURLSessionConfiguration[0;0m.[4;39mdefault[0;0m)
[0;36m|[0;0m `- [1;31merror: [1;39mtype 'URLSessionConfiguration' (aka 'AnyObject') has no member 'default'[0;0m
[0;36m53 |[0;0m let task = urlSession.downloadTask(with: url, completionHandler: { (localFileURL, response, error) in
[0;36m54 |[0;0m if let error = error {
Failed frontend command:
/root/.local/share/swiftly/toolchains/6.4.x-snapshot-2026-09-04/usr/bin/swift-frontend -frontend -c -primary-file /host/spi-builder-workspace/Sources/MNISTKit/DataSetProvider.swift /host/spi-builder-workspace/Sources/MNISTKit/MNISTFile.swift /host/spi-builder-workspace/Sources/MNISTKit/MNISTKit.swift -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/MNISTKit.build/Debug-android-aarch64/MNISTKit-t.build/Objects-normal/aarch64/DataSetProvider.d -emit-const-values-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/MNISTKit.build/Debug-android-aarch64/MNISTKit-t.build/Objects-normal/aarch64/DataSetProvider.swiftconstvalues -emit-reference-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/MNISTKit.build/Debug-android-aarch64/MNISTKit-t.build/Objects-normal/aarch64/DataSetProvider.swiftdeps -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/MNISTKit.build/Debug-android-aarch64/MNISTKit-t.build/Objects-normal/aarch64/DataSetProvider.dia -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 4 -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 -fmodule-map-file\=/host/spi-builder-workspace/.build/checkouts/CZlib/module.modulemap -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/MNISTKit.build/Debug-android-aarch64/MNISTKit-t.build/DerivedSources-normal/aarch64 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/MNISTKit.build/Debug-android-aarch64/MNISTKit-t.build/DerivedSources/aarch64 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/MNISTKit.build/Debug-android-aarch64/MNISTKit-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name MNISTKit -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/MNISTKit.build/Debug-android-aarch64/MNISTKit-t.build/Objects-normal/aarch64/MNISTKit_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 -parse-as-library -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/MNISTKit.build/Debug-android-aarch64/MNISTKit-t.build/Objects-normal/aarch64/DataSetProvider.o -index-unit-output-path /MNISTKit.build/Debug-android-aarch64/MNISTKit-t.build/Objects-normal/aarch64/DataSetProvider.o -index-store-path /host/spi-builder-workspace/.build/out -index-system-modules
error: Build failed
BUILD FAILURE 6.4 android