Swift Package IndexBuild Information
Failed to build XCRemoteCache, reference master (75bac3), with Swift 6.3 for Wasm on 14 Apr 2026 19:00:18 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/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:wasm-6.3-latest swift build --swift-sdk swift-6.3-RELEASE_wasm 2>&1Build Log
========================================
RunAll
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Builder version: 4.70.0
Interrupt handler set up.
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Checkout
========================================
Clone URL: https://github.com/spotify/XCRemoteCache.git
Reference: master
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/spotify/XCRemoteCache
* branch master -> FETCH_HEAD
* [new branch] master -> origin/master
HEAD is now at 75bac32 Merge pull request #227 from CharlieSuP1/master
Cloned https://github.com/spotify/XCRemoteCache.git
Revision (git rev-parse @):
75bac3293a3e881d51788a8ad5a461c90eaf6b23
SUCCESS checkout https://github.com/spotify/XCRemoteCache.git at master
========================================
Build
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Selected platform: wasm
Swift version: 6.3
Building package at path: $PWD
https://github.com/spotify/XCRemoteCache.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images: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/marmelroy/Zip.git
Fetching https://github.com/apple/swift-argument-parser
Fetching https://github.com/jpsim/Yams.git
Fetching https://github.com/tuist/XcodeProj.git
Fetching https://github.com/apple/swift-docc-plugin
[1/2000] Fetching zip
[461/4271] Fetching zip, swift-docc-plugin
[530/21794] Fetching zip, swift-docc-plugin, swift-argument-parser
[690/46227] Fetching zip, swift-docc-plugin, swift-argument-parser, xcodeproj
[7948/57778] Fetching zip, swift-docc-plugin, swift-argument-parser, xcodeproj, yams
Fetched https://github.com/apple/swift-docc-plugin from cache (0.69s)
[37814/55507] Fetching zip, swift-argument-parser, xcodeproj, yams
Fetched https://github.com/apple/swift-argument-parser from cache (0.99s)
[31770/37984] Fetching zip, xcodeproj, yams
Fetched https://github.com/marmelroy/Zip.git from cache (1.76s)
Fetched https://github.com/jpsim/Yams.git from cache (1.79s)
Fetched https://github.com/tuist/XcodeProj.git from cache (1.93s)
Computing version for https://github.com/marmelroy/Zip.git
Computed https://github.com/marmelroy/Zip.git at 2.1.2 (2.41s)
Computing version for https://github.com/apple/swift-docc-plugin
Computed https://github.com/apple/swift-docc-plugin at 1.4.6 (0.60s)
Fetching https://github.com/swiftlang/swift-docc-symbolkit
[1/3672] Fetching swift-docc-symbolkit
Fetched https://github.com/swiftlang/swift-docc-symbolkit from cache (0.47s)
Computing version for https://github.com/swiftlang/swift-docc-symbolkit
Computed https://github.com/swiftlang/swift-docc-symbolkit at 1.0.0 (1.03s)
Computing version for https://github.com/jpsim/Yams.git
Computed https://github.com/jpsim/Yams.git at 5.4.0 (0.42s)
Computing version for https://github.com/apple/swift-argument-parser
Computed https://github.com/apple/swift-argument-parser at 0.5.0 (0.59s)
Computing version for https://github.com/tuist/XcodeProj.git
Computed https://github.com/tuist/XcodeProj.git at 8.27.7 (0.41s)
Fetching https://github.com/kylef/PathKit.git
Fetching https://github.com/tadija/AEXML.git
[1/1452] Fetching pathkit
[757/3607] Fetching pathkit, aexml
Fetched https://github.com/kylef/PathKit.git from cache (0.33s)
Fetched https://github.com/tadija/AEXML.git from cache (0.34s)
Computing version for https://github.com/kylef/PathKit.git
Computed https://github.com/kylef/PathKit.git at 1.0.1 (4.04s)
Fetching https://github.com/kylef/Spectre.git
[1/1021] Fetching spectre
Fetched https://github.com/kylef/Spectre.git from cache (0.25s)
Computing version for https://github.com/tadija/AEXML.git
Computed https://github.com/tadija/AEXML.git at 4.7.0 (1.60s)
Computing version for https://github.com/kylef/Spectre.git
Computed https://github.com/kylef/Spectre.git at 0.10.1 (0.77s)
Creating working copy for https://github.com/kylef/Spectre.git
Working copy of https://github.com/kylef/Spectre.git resolved at 0.10.1
Creating working copy for https://github.com/jpsim/Yams.git
Working copy of https://github.com/jpsim/Yams.git resolved at 5.4.0
Creating working copy for https://github.com/apple/swift-docc-plugin
Working copy of https://github.com/apple/swift-docc-plugin resolved at 1.4.6
Creating working copy for https://github.com/kylef/PathKit.git
Working copy of https://github.com/kylef/PathKit.git resolved at 1.0.1
Creating working copy for https://github.com/tuist/XcodeProj.git
Working copy of https://github.com/tuist/XcodeProj.git resolved at 8.27.7
Creating working copy for https://github.com/tadija/AEXML.git
Working copy of https://github.com/tadija/AEXML.git resolved at 4.7.0
Creating working copy for https://github.com/swiftlang/swift-docc-symbolkit
Working copy of https://github.com/swiftlang/swift-docc-symbolkit resolved at 1.0.0
Creating working copy for https://github.com/marmelroy/Zip.git
Working copy of https://github.com/marmelroy/Zip.git resolved at 2.1.2
Creating working copy for https://github.com/apple/swift-argument-parser
Working copy of https://github.com/apple/swift-argument-parser resolved at 0.5.0
[1/1] Compiling plugin Swift-DocC Preview
[2/2] Compiling plugin Swift-DocC
Building for debugging...
[2/70] Write sources
[17/70] Compiling reader.c
/host/spi-builder-workspace/.build/checkouts/Zip/Zip/minizip/unzip.c:27:10: fatal error: 'zlib.h' file not found
27 | #include <zlib.h>
| ^~~~~~~~
1 error generated.
[18/70] Compiling Minizip unzip.c
[18/70] Compiling parser.c
[18/70] Compiling emitter.c
In file included from /host/spi-builder-workspace/.build/checkouts/Zip/Zip/minizip/ioapi.c:17:
/host/spi-builder-workspace/.build/checkouts/Zip/Zip/minizip/include/ioapi.h:36:10: fatal error: 'zlib.h' file not found
36 | #include <zlib.h>
| ^~~~~~~~
[18/70] Compiling Minizip ioapi.c
/host/spi-builder-workspace/.build/checkouts/Zip/Zip/minizip/zip.c:21:10: fatal error: 'zlib.h' file not found
21 | #include <zlib.h>
| ^~~~~~~~
[18/70] Compiling Minizip zip.c
[18/70] Compiling scanner.c
[18/70] Compiling writer.c
[18/70] Write swift-version-24593BA9C3E375BF.txt
BUILD FAILURE 6.3 wasm