Swift Package IndexBuild Information
Failed to build SwiftZlib, reference main (4b5538), with Swift 6.1 for Wasm on 27 Nov 2025 18:21:23 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/finestructure/spi-images:wasm-6.1-latest swift build --swift-sdk wasm32-unknown-wasi 2>&1Build Log
========================================
RunAll
========================================
Builder version: 4.68.0
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: wasm
Swift version: 6.1
Building package at path: $PWD
https://github.com/Kosikowski/swift-zlib.git
https://github.com/Kosikowski/swift-zlib.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
"dependencies" : [
],
"manifest_display_name" : "SwiftZlib",
"name" : "SwiftZlib",
"path" : "/host/spi-builder-workspace",
"platforms" : [
{
"name" : "macos",
"version" : "12.0"
},
{
"name" : "ios",
"version" : "14.0"
},
{
"name" : "tvos",
"version" : "14.0"
},
{
"name" : "visionos",
"version" : "1.0"
}
],
"products" : [
{
"name" : "SwiftZlib",
"targets" : [
"SwiftZlib"
],
"type" : {
"library" : [
"automatic"
]
}
},
{
"name" : "SwiftZlibCLI",
"targets" : [
"SwiftZlibCLI"
],
"type" : {
"executable" : null
}
}
],
"targets" : [
{
"c99name" : "SwiftZlibTests",
"module_type" : "SwiftTarget",
"name" : "SwiftZlibTests",
"path" : "Tests/SwiftZlibTests",
"sources" : [
"Advanced/AdvancedFeaturesTests.swift",
"Advanced/AdvancedUtilityTests.swift",
"Advanced/AsyncStreamTests.swift",
"Advanced/DictionaryTests.swift",
"Advanced/GzipHeaderTests.swift",
"Advanced/InflateBackTests.swift",
"Advanced/PrimeTests.swift",
"Advanced/WindowBitsTests.swift",
"Concurrency/CancellationTests.swift",
"Concurrency/ConcurrencyTests.swift",
"Core/CompressorCancellationTests.swift",
"Core/CompressorTests.swift",
"Core/DecompressorCancellationTests.swift",
"Core/DecompressorTests.swift",
"Core/MemoryLeakTests.swift",
"Core/StreamTests.swift",
"Core/ZLibTests.swift",
"EdgeCases/EdgeCaseErrorHandlingTests.swift",
"EdgeCases/UtilityTests.swift",
"ErrorHandling/ErrorHandlingTests.swift",
"Extensions/AdvancedExtensionsTests.swift",
"Extensions/DataExtensionsTests.swift",
"Extensions/StringExtensionsTests.swift",
"FileOperations/FileChunkedCompressorTests.swift",
"FileOperations/FileOperationsTests.swift",
"FileOperations/SimpleFileOperationsTests.swift",
"Performance/PerformanceTests.swift",
"Streaming/StreamingTests.swift"
],
"target_dependencies" : [
"SwiftZlib"
],
"type" : "test"
},
{
"c99name" : "SwiftZlibCLI",
"module_type" : "SwiftTarget",
"name" : "SwiftZlibCLI",
"path" : "Sources/SwiftZlibCLI",
"product_memberships" : [
"SwiftZlibCLI"
],
"sources" : [
"main.swift"
],
"target_dependencies" : [
"SwiftZlib"
],
"type" : "executable"
},
{
"c99name" : "SwiftZlib",
"module_type" : "SwiftTarget",
"name" : "SwiftZlib",
"path" : "Sources/SwiftZlib",
"product_memberships" : [
"SwiftZlib",
"SwiftZlibCLI"
],
"sources" : [
"API/Data+Extensions.swift",
"API/String+Extensions.swift",
"API/ZLib+Async.swift",
"API/ZLib+AsyncStream.swift",
"API/ZLib+Combine.swift",
"API/ZLib+File.swift",
"API/ZLib+FileChunked.swift",
"API/ZLib+Stream.swift",
"API/ZLib.swift",
"API/ZLibErrorCode.swift",
"Async/AsyncCompressor.swift",
"Async/AsyncDecompressor.swift",
"Async/AsyncZLibStream.swift",
"Async/AsyncZLibStreamBuilder.swift",
"Core/Compression/Compression.swift",
"Core/Compression/CompressionLevel.swift",
"Core/Compression/CompressionMethod.swift",
"Core/Compression/CompressionPhase.swift",
"Core/Compression/CompressionStrategy.swift",
"Core/Compression/Compressor.swift",
"Core/Compression/Decompressor.swift",
"Core/Compression/InflateBackDecompressors/BaseInflateBackDecompressor.swift",
"Core/Compression/InflateBackDecompressors/DecompressorType.swift",
"Core/Compression/InflateBackDecompressors/EnhancedInflateBackDecompressor.swift",
"Core/Compression/InflateBackDecompressors/InflateBackDecompressorCBridged.swift",
"Core/FlushMode.swift",
"Core/GzipHeader.swift",
"Core/Logging.swift",
"Core/MemoryLevel.swift",
"Core/Stream/StreamingConfig.swift",
"Core/Stream/StreamingDecompressor.swift",
"Core/Stream/ZLibStreamBuilder.swift",
"Core/Timer.swift",
"Core/WindowBits.swift",
"Core/ZLibError.swift",
"Core/ZLibStatus.swift",
"Core/ZLibStream.swift",
"FileOperations/ChunkedProcessor.swift",
"FileOperations/FileChunkedCompressor.swift",
"FileOperations/FileChunkedDecompressor.swift",
"FileOperations/FileCompressor.swift",
"FileOperations/FileDecompressor.swift",
"FileOperations/FileProcessor.swift",
"FileOperations/GzipFile.swift",
"FileOperations/GzipFileError.swift",
"FileOperations/SimpleFileCompressor.swift",
"FileOperations/SimpleFileDecompressor.swift"
],
"target_dependencies" : [
"CZLib"
],
"type" : "library"
},
{
"c99name" : "CZLib",
"module_type" : "ClangTarget",
"name" : "CZLib",
"path" : "Sources/CZLib",
"product_memberships" : [
"SwiftZlib",
"SwiftZlibCLI"
],
"sources" : [
"adler32.c",
"compress.c",
"crc32.c",
"deflate.c",
"gzclose.c",
"gzlib.c",
"gzread.c",
"gzwrite.c",
"infback.c",
"inffast.c",
"inflate.c",
"inftrees.c",
"trees.c",
"uncompr.c",
"zlib_shim.c",
"zutil.c"
],
"type" : "library"
}
],
"tools_version" : "5.9"
}
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/finestructure/spi-images:wasm-6.1-latest swift build --swift-sdk wasm32-unknown-wasi -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures 2>&1
wasm-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:4dfe22dedd7a52399668938cbd466a34545eff77bced906005dc4032a6549d90
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:wasm-6.1-latest
Building for debugging...
In file included from /host/spi-builder-workspace/Sources/CZLib/zlib_shim.c:1:
/host/spi-builder-workspace/Sources/CZLib/include/zlib_shim.h:56:10: fatal error: 'zlib.h' file not found
56 | #include <zlib.h>
| ^~~~~~~~
1 error generated.
[0/23] Compiling CZLib zlib_shim.c
[0/23] Compiling CZLib trees.c
[0/23] Compiling CZLib inftrees.c
[0/23] Compiling CZLib compress.c
[0/23] Compiling CZLib crc32.c
[0/23] Compiling CZLib uncompr.c
[0/23] Compiling CZLib infback.c
[0/23] Compiling CZLib zutil.c
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/finestructure/spi-images:wasm-6.1-latest swift build --swift-sdk wasm32-unknown-wasi 2>&1
wasm-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:4dfe22dedd7a52399668938cbd466a34545eff77bced906005dc4032a6549d90
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:wasm-6.1-latest
[0/1] Planning build
Building for debugging...
[0/23] Write sources
[2/23] Compiling CZLib uncompr.c
[3/23] Compiling CZLib zutil.c
In file included from /host/spi-builder-workspace/Sources/CZLib/zlib_shim.c:1:
/host/spi-builder-workspace/Sources/CZLib/include/zlib_shim.h:56:10: fatal error: 'zlib.h' file not found
56 | #include <zlib.h>
| ^~~~~~~~
1 error generated.
[4/23] Compiling CZLib zlib_shim.c
[4/23] Compiling CZLib infback.c
[4/23] Compiling CZLib inffast.c
[4/23] Compiling CZLib inftrees.c
[4/23] Compiling CZLib trees.c
[4/23] Compiling CZLib gzwrite.c
[4/23] Compiling CZLib inflate.c
[4/23] Write swift-version-24593BA9C3E375BF.txt
BUILD FAILURE 6.1 wasm