Swift Package IndexBuild Information
Failed to build KrakenKit, reference 0.0.1 (9b3d1f), with Swift 6.3 for Android on 11 Apr 2026 07:50:24 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/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:android-6.3-latest swift build --swift-sdk aarch64-unknown-linux-android28 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: android
Swift version: 6.3
Building package at path: $PWD
https://github.com/krakencl/krakenkit.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:android-6.3-latest swift build --swift-sdk aarch64-unknown-linux-android28 2>&1
android-6.3-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:9008270ea37a55e78725e6225015adb5eff8582da520c5232bf0499f32c36dc4
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:android-6.3-latest
Fetching https://github.com/apple/swift-protobuf.git
Fetching https://github.com/KrakenCL/LibPNG.git
[1/45835] Fetching swift-protobuf
[2752/45892] Fetching swift-protobuf, libpng
Fetched https://github.com/KrakenCL/LibPNG.git from cache (0.47s)
[3667/45835] Fetching swift-protobuf
Fetched https://github.com/apple/swift-protobuf.git from cache (7.66s)
Computing version for https://github.com/KrakenCL/LibPNG.git
Computed https://github.com/KrakenCL/LibPNG.git at 0.0.3 (10.07s)
Computing version for https://github.com/apple/swift-protobuf.git
Computed https://github.com/apple/swift-protobuf.git at 1.36.1 (0.67s)
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--4F562202D5529B1.txt
[7/100] Emitting module SwiftProtobuf
[8/111] Compiling SwiftProtobuf Message+BinaryAdditions_Data.swift
[9/111] Compiling SwiftProtobuf Message+FieldMask.swift
[10/111] Compiling SwiftProtobuf Message+JSONAdditions.swift
[11/111] Compiling SwiftProtobuf Message+JSONAdditions_Data.swift
[12/111] Compiling SwiftProtobuf Message+JSONArrayAdditions.swift
[13/111] Compiling SwiftProtobuf Message+JSONArrayAdditions_Data.swift
[14/111] Compiling SwiftProtobuf Message+TextFormatAdditions.swift
[15/111] Compiling SwiftProtobuf Message.swift
[16/111] Compiling SwiftProtobuf MessageExtension.swift
[17/111] Compiling SwiftProtobuf NameMap.swift
[18/111] Compiling SwiftProtobuf PathDecoder.swift
[19/111] Compiling SwiftProtobuf PathVisitor.swift
[20/111] Compiling SwiftProtobuf BytecodeInterpreter.swift
[21/111] Compiling SwiftProtobuf BytecodeReader.swift
[22/111] Compiling SwiftProtobuf CustomJSONCodable.swift
[23/111] Compiling SwiftProtobuf Decoder.swift
[24/111] Compiling SwiftProtobuf DoubleParser.swift
[25/111] Compiling SwiftProtobuf Enum.swift
[26/111] Compiling SwiftProtobuf ExtensibleMessage.swift
[27/111] Compiling SwiftProtobuf ExtensionFieldValueSet.swift
[28/111] Compiling SwiftProtobuf ExtensionFields.swift
[29/111] Compiling SwiftProtobuf ExtensionMap.swift
[30/111] Compiling SwiftProtobuf FieldTag.swift
[31/111] Compiling SwiftProtobuf FieldTypes.swift
[32/111] Compiling SwiftProtobuf TextFormatEncodingOptions.swift
[33/111] Compiling SwiftProtobuf TextFormatEncodingVisitor.swift
[34/111] Compiling SwiftProtobuf TextFormatScanner.swift
[35/111] Compiling SwiftProtobuf TimeUtils.swift
[36/111] Compiling SwiftProtobuf UnknownStorage.swift
[37/111] Compiling SwiftProtobuf UnsafeRawPointer+Shims.swift
[38/111] Compiling SwiftProtobuf Varint.swift
[39/111] Compiling SwiftProtobuf Version.swift
[40/111] Compiling SwiftProtobuf Visitor.swift
[41/111] Compiling SwiftProtobuf WireFormat.swift
[42/111] Compiling SwiftProtobuf ZigZag.swift
[43/111] Compiling SwiftProtobuf ProtoNameProviding.swift
[44/111] Compiling SwiftProtobuf ProtobufAPIVersionCheck.swift
[45/111] Compiling SwiftProtobuf ProtobufMap.swift
[46/111] Compiling SwiftProtobuf SelectiveVisitor.swift
[47/111] Compiling SwiftProtobuf SimpleExtensionMap.swift
[48/111] Compiling SwiftProtobuf StringUtils.swift
[49/111] Compiling SwiftProtobuf SwiftProtobufContiguousBytes.swift
[50/111] Compiling SwiftProtobuf SwiftProtobufError.swift
[51/111] Compiling SwiftProtobuf TextFormatDecoder.swift
[52/111] Compiling SwiftProtobuf TextFormatDecodingError.swift
[53/111] Compiling SwiftProtobuf TextFormatDecodingOptions.swift
[54/111] Compiling SwiftProtobuf TextFormatEncoder.swift
[55/111] Compiling SwiftProtobuf JSONDecoder.swift
[56/111] Compiling SwiftProtobuf JSONDecodingError.swift
[57/111] Compiling SwiftProtobuf JSONDecodingOptions.swift
[58/111] Compiling SwiftProtobuf JSONEncoder.swift
[59/111] Compiling SwiftProtobuf JSONEncodingError.swift
[60/111] Compiling SwiftProtobuf JSONEncodingOptions.swift
[61/111] Compiling SwiftProtobuf JSONEncodingVisitor.swift
[62/111] Compiling SwiftProtobuf JSONMapEncodingVisitor.swift
[63/111] Compiling SwiftProtobuf JSONScanner.swift
[64/111] Compiling SwiftProtobuf MathUtils.swift
[65/111] Compiling SwiftProtobuf Message+AnyAdditions.swift
[66/111] Compiling SwiftProtobuf Message+BinaryAdditions.swift
error: emit-module command failed with exit code 1 (use -v to see invocation)
[67/111] 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
[68/111] 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
[69/111] Compiling SwiftProtobuf Google_Protobuf_Any+Extensions.swift
[70/111] Compiling SwiftProtobuf Google_Protobuf_Any+Registry.swift
[71/111] Compiling SwiftProtobuf Google_Protobuf_Duration+Extensions.swift
[72/111] Compiling SwiftProtobuf Google_Protobuf_FieldMask+Extensions.swift
[73/111] Compiling SwiftProtobuf Google_Protobuf_ListValue+Extensions.swift
[74/111] Compiling SwiftProtobuf Google_Protobuf_NullValue+Extensions.swift
[75/111] Compiling SwiftProtobuf Google_Protobuf_Struct+Extensions.swift
[76/111] Compiling SwiftProtobuf Google_Protobuf_Timestamp+Extensions.swift
[77/111] Compiling SwiftProtobuf Google_Protobuf_Value+Extensions.swift
[78/111] Compiling SwiftProtobuf Google_Protobuf_Wrappers+Extensions.swift
[79/111] Compiling SwiftProtobuf HashVisitor.swift
[80/111] Compiling SwiftProtobuf Internal.swift
BUILD FAILURE 6.3 android