SwiftZlib – Build Information – Swift Package Index

Build Information

Failed to build SwiftZlib, reference main (4b5538), with Swift 6.4 for Android on 23 Sep 2026 01:02:50 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-54344843-0":/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/Kosikowski/swift-zlib.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/Kosikowski/swift-zlib
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 4b5538d Bump actions/checkout from 5 to 6 (#24)
Cloned https://github.com/Kosikowski/swift-zlib.git
Revision (git rev-parse @):
4b5538df3f457c1180895f81ae180d4016ae1dcc
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/Kosikowski/swift-zlib.git at main
========================================
Build
========================================
Selected platform:         android
Swift version:             6.4
Building package at path:  $PWD
https://github.com/Kosikowski/swift-zlib.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344843-0":/host -w "$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
Building for debugging...
[Pre-planning 1 / 125]
[Starting]
[39 / 55] CZLib
[43 / 56] CZLib
[53 / 65] SwiftZlib
error: SwiftCompile normal aarch64 /host/spi-builder-workspace/Sources/SwiftZlib/API/ZLib.swift failed with a nonzero exit code. Command line:     cd /host
    builtin-SwiftPerFileCompile ZLib.swift
/host/spi-builder-workspace/Sources/SwiftZlib/API/ZLib.swift:574:47: [1;31merror: [1;39mcannot convert value of type 'CLong' (aka 'Int') to expected argument type 'off_t' (aka 'Int64')[0;0m
[0;36m572 |[0;0m     /// - Returns: Combined Adler-32 checksum
[0;36m573 |[0;0m     public static func adler32Combine(_ adler1: uLong, _ adler2: uLong, len2: Int) -> uLong {
[0;36m574 |[0;0m         swift_adler32_combine(adler1, adler2, CLong(len2))
    [0;36m|[0;0m                                               `- [1;31merror: [1;39mcannot convert value of type 'CLong' (aka 'Int') to expected argument type 'off_t' (aka 'Int64')[0;0m
[0;36m575 |[0;0m     }
[0;36m576 |[0;0m
/host/spi-builder-workspace/Sources/SwiftZlib/API/ZLib.swift:584:41: [1;31merror: [1;39mcannot convert value of type 'CLong' (aka 'Int') to expected argument type 'off_t' (aka 'Int64')[0;0m
[0;36m582 |[0;0m     /// - Returns: Combined CRC-32 checksum
[0;36m583 |[0;0m     public static func crc32Combine(_ crc1: uLong, _ crc2: uLong, len2: Int) -> uLong {
[0;36m584 |[0;0m         swift_crc32_combine(crc1, crc2, CLong(len2))
    [0;36m|[0;0m                                         `- [1;31merror: [1;39mcannot convert value of type 'CLong' (aka 'Int') to expected argument type 'off_t' (aka 'Int64')[0;0m
[0;36m585 |[0;0m     }
[0;36m586 |[0;0m
Failed frontend command:
/root/.local/share/swiftly/toolchains/6.4.x-snapshot-2026-09-04/usr/bin/swift-frontend -frontend -c /host/spi-builder-workspace/Sources/SwiftZlib/API/Data+Extensions.swift /host/spi-builder-workspace/Sources/SwiftZlib/API/String+Extensions.swift /host/spi-builder-workspace/Sources/SwiftZlib/API/ZLib+Async.swift /host/spi-builder-workspace/Sources/SwiftZlib/API/ZLib+AsyncStream.swift /host/spi-builder-workspace/Sources/SwiftZlib/API/ZLib+Combine.swift /host/spi-builder-workspace/Sources/SwiftZlib/API/ZLib+File.swift -primary-file /host/spi-builder-workspace/Sources/SwiftZlib/API/ZLib+FileChunked.swift -primary-file /host/spi-builder-workspace/Sources/SwiftZlib/API/ZLib+Stream.swift -primary-file /host/spi-builder-workspace/Sources/SwiftZlib/API/ZLib.swift -primary-file /host/spi-builder-workspace/Sources/SwiftZlib/API/ZLibErrorCode.swift -primary-file /host/spi-builder-workspace/Sources/SwiftZlib/Async/AsyncCompressor.swift -primary-file /host/spi-builder-workspace/Sources/SwiftZlib/Async/AsyncDecompressor.swift /host/spi-builder-workspace/Sources/SwiftZlib/Async/AsyncZLibStream.swift /host/spi-builder-workspace/Sources/SwiftZlib/Async/AsyncZLibStreamBuilder.swift /host/spi-builder-workspace/Sources/SwiftZlib/Core/Compression/Compression.swift /host/spi-builder-workspace/Sources/SwiftZlib/Core/Compression/CompressionLevel.swift /host/spi-builder-workspace/Sources/SwiftZlib/Core/Compression/CompressionMethod.swift /host/spi-builder-workspace/Sources/SwiftZlib/Core/Compression/CompressionPhase.swift /host/spi-builder-workspace/Sources/SwiftZlib/Core/Compression/CompressionStrategy.swift /host/spi-builder-workspace/Sources/SwiftZlib/Core/Compression/Compressor.swift /host/spi-builder-workspace/Sources/SwiftZlib/Core/Compression/Decompressor.swift /host/spi-builder-workspace/Sources/SwiftZlib/Core/Compression/InflateBackDecompressors/BaseInflateBackDecompressor.swift /host/spi-builder-workspace/Sources/SwiftZlib/Core/Compression/InflateBackDecompressors/DecompressorType.swift /host/spi-builder-workspace/Sources/SwiftZlib/Core/Compression/InflateBackDecompressors/EnhancedInflateBackDecompressor.swift /host/spi-builder-workspace/Sources/SwiftZlib/Core/Compression/InflateBackDecompressors/InflateBackDecompressorCBridged.swift /host/spi-builder-workspace/Sources/SwiftZlib/Core/FlushMode.swift /host/spi-builder-workspace/Sources/SwiftZlib/Core/GzipHeader.swift /host/spi-builder-workspace/Sources/SwiftZlib/Core/Logging.swift /host/spi-builder-workspace/Sources/SwiftZlib/Core/MemoryLevel.swift /host/spi-builder-workspace/Sources/SwiftZlib/Core/Stream/StreamingConfig.swift /host/spi-builder-workspace/Sources/SwiftZlib/Core/Stream/StreamingDecompressor.swift /host/spi-builder-workspace/Sources/SwiftZlib/Core/Stream/ZLibStreamBuilder.swift /host/spi-builder-workspace/Sources/SwiftZlib/Core/Timer.swift /host/spi-builder-workspace/Sources/SwiftZlib/Core/WindowBits.swift /host/spi-builder-workspace/Sources/SwiftZlib/Core/ZLibError.swift /host/spi-builder-workspace/Sources/SwiftZlib/Core/ZLibStatus.swift /host/spi-builder-workspace/Sources/SwiftZlib/Core/ZLibStream.swift /host/spi-builder-workspace/Sources/SwiftZlib/FileOperations/ChunkedProcessor.swift /host/spi-builder-workspace/Sources/SwiftZlib/FileOperations/FileChunkedCompressor.swift /host/spi-builder-workspace/Sources/SwiftZlib/FileOperations/FileChunkedDecompressor.swift /host/spi-builder-workspace/Sources/SwiftZlib/FileOperations/FileCompressor.swift /host/spi-builder-workspace/Sources/SwiftZlib/FileOperations/FileDecompressor.swift /host/spi-builder-workspace/Sources/SwiftZlib/FileOperations/FileProcessor.swift /host/spi-builder-workspace/Sources/SwiftZlib/FileOperations/GzipFile.swift /host/spi-builder-workspace/Sources/SwiftZlib/FileOperations/GzipFileError.swift /host/spi-builder-workspace/Sources/SwiftZlib/FileOperations/SimpleFileCompressor.swift /host/spi-builder-workspace/Sources/SwiftZlib/FileOperations/SimpleFileDecompressor.swift -supplementary-output-file-map /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftZlib.build/Debug-android-aarch64/SwiftZlib-t.build/Objects-normal/aarch64/supplementaryOutputs-2 -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 ZLIB_VERBOSE_DISABLED -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/out/Intermediates.noindex/GeneratedModuleMaps-android-aarch64/CZLib.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/Sources/CZLib/include -Xcc -I/host/spi-builder-workspace/.build/out/Products/Debug-android-aarch64/include -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftZlib.build/Debug-android-aarch64/SwiftZlib-t.build/DerivedSources-normal/aarch64 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftZlib.build/Debug-android-aarch64/SwiftZlib-t.build/DerivedSources/aarch64 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftZlib.build/Debug-android-aarch64/SwiftZlib-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name SwiftZlib -package-name spi_builder_workspace -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftZlib.build/Debug-android-aarch64/SwiftZlib-t.build/Objects-normal/aarch64/SwiftZlib_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/SwiftZlib.build/Debug-android-aarch64/SwiftZlib-t.build/Objects-normal/aarch64/ZLib+FileChunked.o -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftZlib.build/Debug-android-aarch64/SwiftZlib-t.build/Objects-normal/aarch64/ZLib+Stream.o -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftZlib.build/Debug-android-aarch64/SwiftZlib-t.build/Objects-normal/aarch64/ZLib.o -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftZlib.build/Debug-android-aarch64/SwiftZlib-t.build/Objects-normal/aarch64/ZLibErrorCode.o -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftZlib.build/Debug-android-aarch64/SwiftZlib-t.build/Objects-normal/aarch64/AsyncCompressor.o -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftZlib.build/Debug-android-aarch64/SwiftZlib-t.build/Objects-normal/aarch64/AsyncDecompressor.o -index-unit-output-path /SwiftZlib.build/Debug-android-aarch64/SwiftZlib-t.build/Objects-normal/aarch64/ZLib+FileChunked.o -index-unit-output-path /SwiftZlib.build/Debug-android-aarch64/SwiftZlib-t.build/Objects-normal/aarch64/ZLib+Stream.o -index-unit-output-path /SwiftZlib.build/Debug-android-aarch64/SwiftZlib-t.build/Objects-normal/aarch64/ZLib.o -index-unit-output-path /SwiftZlib.build/Debug-android-aarch64/SwiftZlib-t.build/Objects-normal/aarch64/ZLibErrorCode.o -index-unit-output-path /SwiftZlib.build/Debug-android-aarch64/SwiftZlib-t.build/Objects-normal/aarch64/AsyncCompressor.o -index-unit-output-path /SwiftZlib.build/Debug-android-aarch64/SwiftZlib-t.build/Objects-normal/aarch64/AsyncDecompressor.o -index-store-path /host/spi-builder-workspace/.build/out -index-system-modules
error: Build failed
BUILD FAILURE 6.4 android