Swift Package IndexBuild Information
Failed to build KrakenKit, reference 0.0.1 (9b3d1f), with Swift 6.3 for Wasm on 11 Apr 2026 07:51:00 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4609320-3":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.3-latest swift build --swift-sdk swift-6.3-RELEASE_wasm 2>&1Build Log
========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/krakencl/krakenkit.git
Reference: 0.0.1
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/krakencl/krakenkit
* tag 0.0.1 -> FETCH_HEAD
HEAD is now at 9b3d1fb New toolchain released.
Cloned https://github.com/krakencl/krakenkit.git
Revision (git rev-parse @):
9b3d1fbaf39aaa0f53d1b814f3a2811263e77ab3
SUCCESS checkout https://github.com/krakencl/krakenkit.git at 0.0.1
========================================
Build
========================================
Selected platform: wasm
Swift version: 6.3
Building package at path: $PWD
https://github.com/krakencl/krakenkit.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-3":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.3-latest swift build --swift-sdk swift-6.3-RELEASE_wasm 2>&1
wasm-6.3-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:d69f4e7582c319245442d62a08b2d7c7fd5a0c0c69f5d2ef11d1530cd8d3329b
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.3-latest
Fetching https://github.com/apple/swift-protobuf.git
Fetching https://github.com/KrakenCL/LibPNG.git
[1/57] Fetching libpng
Fetched https://github.com/KrakenCL/LibPNG.git from cache (0.25s)
[1/45835] Fetching swift-protobuf
Fetched https://github.com/apple/swift-protobuf.git from cache (9.91s)
Computing version for https://github.com/KrakenCL/LibPNG.git
Computed https://github.com/KrakenCL/LibPNG.git at 0.0.3 (10.44s)
Computing version for https://github.com/apple/swift-protobuf.git
Computed https://github.com/apple/swift-protobuf.git at 1.36.1 (0.61s)
Creating working copy for https://github.com/apple/swift-protobuf.git
Working copy of https://github.com/apple/swift-protobuf.git resolved at 1.36.1
Creating working copy for https://github.com/KrakenCL/LibPNG.git
Working copy of https://github.com/KrakenCL/LibPNG.git resolved at 0.0.3
warning: you may be able to install libpng using your system-packager:
apt-get install libpng
warning: you may be able to install libpng using your system-packager:
apt-get install libpng
[1/1] Compiling plugin SwiftProtobufPlugin
Building for debugging...
[1/14] Write sources
[5/14] Write swift-version-24593BA9C3E375BF.txt
[7/100] Compiling SwiftProtobuf Message+BinaryAdditions_Data.swift
[8/100] Compiling SwiftProtobuf Message+FieldMask.swift
[9/100] Compiling SwiftProtobuf Message+JSONAdditions.swift
[10/100] Compiling SwiftProtobuf Message+JSONAdditions_Data.swift
[11/100] Compiling SwiftProtobuf Message+JSONArrayAdditions.swift
[12/100] Compiling SwiftProtobuf Message+JSONArrayAdditions_Data.swift
[13/100] Compiling SwiftProtobuf Message+TextFormatAdditions.swift
[14/100] Compiling SwiftProtobuf Message.swift
[15/100] Compiling SwiftProtobuf MessageExtension.swift
[16/100] Compiling SwiftProtobuf NameMap.swift
[17/100] Compiling SwiftProtobuf PathDecoder.swift
[18/100] Compiling SwiftProtobuf PathVisitor.swift
[19/100] Compiling SwiftProtobuf JSONDecoder.swift
[20/100] Compiling SwiftProtobuf JSONDecodingError.swift
[21/100] Compiling SwiftProtobuf JSONDecodingOptions.swift
[22/100] Compiling SwiftProtobuf JSONEncoder.swift
[23/100] Compiling SwiftProtobuf JSONEncodingError.swift
[24/100] Compiling SwiftProtobuf JSONEncodingOptions.swift
[25/100] Compiling SwiftProtobuf JSONEncodingVisitor.swift
[26/100] Compiling SwiftProtobuf JSONMapEncodingVisitor.swift
[27/100] Compiling SwiftProtobuf JSONScanner.swift
[28/100] Compiling SwiftProtobuf MathUtils.swift
[29/100] Compiling SwiftProtobuf Message+AnyAdditions.swift
[30/100] Compiling SwiftProtobuf Message+BinaryAdditions.swift
[31/100] Compiling SwiftProtobuf Google_Protobuf_Any+Extensions.swift
[32/100] Compiling SwiftProtobuf Google_Protobuf_Any+Registry.swift
[33/100] Compiling SwiftProtobuf Google_Protobuf_Duration+Extensions.swift
[34/100] Compiling SwiftProtobuf Google_Protobuf_FieldMask+Extensions.swift
[35/100] Compiling SwiftProtobuf Google_Protobuf_ListValue+Extensions.swift
[36/100] Compiling SwiftProtobuf Google_Protobuf_NullValue+Extensions.swift
[37/100] Compiling SwiftProtobuf Google_Protobuf_Struct+Extensions.swift
[38/100] Compiling SwiftProtobuf Google_Protobuf_Timestamp+Extensions.swift
[39/100] Compiling SwiftProtobuf Google_Protobuf_Value+Extensions.swift
[40/100] Compiling SwiftProtobuf Google_Protobuf_Wrappers+Extensions.swift
[41/100] Compiling SwiftProtobuf HashVisitor.swift
[42/100] Compiling SwiftProtobuf Internal.swift
[43/100] Compiling SwiftProtobuf ProtoNameProviding.swift
[44/100] Compiling SwiftProtobuf ProtobufAPIVersionCheck.swift
[45/100] Compiling SwiftProtobuf ProtobufMap.swift
[46/100] Compiling SwiftProtobuf SelectiveVisitor.swift
[47/100] Compiling SwiftProtobuf SimpleExtensionMap.swift
[48/100] Compiling SwiftProtobuf StringUtils.swift
[49/100] Compiling SwiftProtobuf SwiftProtobufContiguousBytes.swift
[50/100] Compiling SwiftProtobuf SwiftProtobufError.swift
[51/100] Compiling SwiftProtobuf TextFormatDecoder.swift
[52/100] Compiling SwiftProtobuf TextFormatDecodingError.swift
[53/100] Compiling SwiftProtobuf TextFormatDecodingOptions.swift
[54/100] Compiling SwiftProtobuf TextFormatEncoder.swift
[55/100] Emitting module SwiftProtobuf
[56/100] Compiling SwiftProtobuf AnyMessageStorage.swift
[57/100] Compiling SwiftProtobuf AnyUnpackError.swift
[58/100] Compiling SwiftProtobuf AsyncMessageSequence.swift
[59/100] Compiling SwiftProtobuf BinaryDecoder.swift
[60/100] Compiling SwiftProtobuf BinaryDecodingError.swift
[61/100] Compiling SwiftProtobuf BinaryDecodingOptions.swift
[62/100] Compiling SwiftProtobuf BinaryDelimited.swift
[63/100] Compiling SwiftProtobuf BinaryEncoder.swift
[64/100] Compiling SwiftProtobuf BinaryEncodingError.swift
[65/100] Compiling SwiftProtobuf BinaryEncodingOptions.swift
[66/100] Compiling SwiftProtobuf BinaryEncodingSizeVisitor.swift
[67/100] Compiling SwiftProtobuf BinaryEncodingVisitor.swift
[68/100] Compiling SwiftProtobuf BytecodeInterpreter.swift
[69/100] Compiling SwiftProtobuf BytecodeReader.swift
[70/100] Compiling SwiftProtobuf CustomJSONCodable.swift
[71/100] Compiling SwiftProtobuf Decoder.swift
[72/100] Compiling SwiftProtobuf DoubleParser.swift
[73/100] Compiling SwiftProtobuf Enum.swift
[74/100] Compiling SwiftProtobuf ExtensibleMessage.swift
[75/100] Compiling SwiftProtobuf ExtensionFieldValueSet.swift
[76/100] Compiling SwiftProtobuf ExtensionFields.swift
[77/100] Compiling SwiftProtobuf ExtensionMap.swift
[78/100] Compiling SwiftProtobuf FieldTag.swift
[79/100] Compiling SwiftProtobuf FieldTypes.swift
[80/100] Compiling SwiftProtobuf TextFormatEncodingOptions.swift
[81/100] Compiling SwiftProtobuf TextFormatEncodingVisitor.swift
[82/100] Compiling SwiftProtobuf TextFormatScanner.swift
[83/100] Compiling SwiftProtobuf TimeUtils.swift
[84/100] Compiling SwiftProtobuf UnknownStorage.swift
[85/100] Compiling SwiftProtobuf UnsafeRawPointer+Shims.swift
[86/100] Compiling SwiftProtobuf Varint.swift
[87/100] Compiling SwiftProtobuf Version.swift
[88/100] Compiling SwiftProtobuf Visitor.swift
[89/100] Compiling SwiftProtobuf WireFormat.swift
[90/100] Compiling SwiftProtobuf ZigZag.swift
error: emit-module command failed with exit code 1 (use -v to see invocation)
[91/100] Emitting module LibPNG
/host/spi-builder-workspace/.build/checkouts/LibPNG/Library/CPNG/module.modulemap:2:10: error: header '/usr/local/include/png.h' not found
1 | module CPNG [system] {
2 | header "/usr/local/include/png.h"
| `- error: header '/usr/local/include/png.h' not found
3 | link "png"
4 | export *
/host/spi-builder-workspace/.build/checkouts/LibPNG/Sources/LibPNG/LibPNG.swift:19:8: error: could not build C module 'CPNG'
17 |
18 | import Foundation
19 | import CPNG
| `- error: could not build C module 'CPNG'
20 |
21 | public typealias Pixel = UInt8
[92/100] Compiling LibPNG LibPNG.swift
/host/spi-builder-workspace/.build/checkouts/LibPNG/Library/CPNG/module.modulemap:2:10: error: header '/usr/local/include/png.h' not found
1 | module CPNG [system] {
2 | header "/usr/local/include/png.h"
| `- error: header '/usr/local/include/png.h' not found
3 | link "png"
4 | export *
/host/spi-builder-workspace/.build/checkouts/LibPNG/Sources/LibPNG/LibPNG.swift:19:8: error: could not build C module 'CPNG'
17 |
18 | import Foundation
19 | import CPNG
| `- error: could not build C module 'CPNG'
20 |
21 | public typealias Pixel = UInt8
BUILD FAILURE 6.3 wasm