Swift Package Index

Build Information

Failed to build EPUBKit, reference main (8dac90), with Swift 6.2 for Wasm on 27 Mar 2026 05:32:00 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:wasm-6.2-latest swift build --swift-sdk wasm32-unknown-wasip1 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.69.2
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/witekbobrowski/EPUBKit.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/witekbobrowski/EPUBKit
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 8dac90d Add Buy Me a Coffee to funding configuration
Cloned https://github.com/witekbobrowski/EPUBKit.git
Revision (git rev-parse @):
8dac90d14074af3882ee2192be5baf892a130ad9
SUCCESS checkout https://github.com/witekbobrowski/EPUBKit.git at main
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.2
Building package at path:  $PWD
https://github.com/witekbobrowski/EPUBKit.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.2-latest swift build --swift-sdk wasm32-unknown-wasip1 2>&1
wasm-6.2-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:de1420b02d93a9deec3e168cca69275e06e27da7632503e71651af6daad007b1
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.2-latest
warning: multiple Swift SDKs match target triple `wasm32-unknown-wasip1` and host triple x86_64-unknown-linux-gnu, selected one at /root/.swiftpm/swift-sdks/swift-6.2-RELEASE_wasm.artifactbundle/swift-6.2-RELEASE_wasm/wasm32-unknown-wasip1/embedded-swift-sdk.json
Fetching https://github.com/tadija/AEXML
Fetching https://github.com/marmelroy/Zip
[1/2155] Fetching aexml
[454/4151] Fetching aexml, zip
Fetched https://github.com/tadija/AEXML from cache (0.26s)
[919/1996] Fetching zip
Fetched https://github.com/marmelroy/Zip from cache (0.45s)
Computing version for https://github.com/marmelroy/Zip
Computed https://github.com/marmelroy/Zip at 2.1.2 (2.60s)
Computing version for https://github.com/tadija/AEXML
Computed https://github.com/tadija/AEXML at 4.7.0 (0.31s)
Creating working copy for https://github.com/tadija/AEXML
Working copy of https://github.com/tadija/AEXML resolved at 4.7.0
Creating working copy for https://github.com/marmelroy/Zip
Working copy of https://github.com/marmelroy/Zip resolved at 2.1.2
Building for debugging...
[0/7] Write sources
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>
      |          ^~~~~~~~
1 error generated.
[3/7] 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>
      |          ^~~~~~~~
1 error generated.
[3/7] Compiling Minizip zip.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>
      |          ^~~~~~~~
[3/7] Compiling Minizip unzip.c
[3/7] Write swift-version-24593BA9C3E375BF.txt
BUILD FAILURE 6.2 wasm