Swift Package IndexBuild Information
Failed to build Readium, reference develop (e20d5c), with Swift 6.3 for Wasm on 25 Oct 2026 09:03:54 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-54344843-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:wasm-6.3-latest swift build --swift-sdk swift-6.3.2-RELEASE_wasm 2>&1Build Log
========================================
RunAll
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Builder version: 5.1.3
Interrupt handler set up.
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Checkout
========================================
Clone URL: https://github.com/readium/swift-toolkit.git
Reference: develop
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/readium/swift-toolkit
* branch develop -> FETCH_HEAD
* [new branch] develop -> origin/develop
HEAD is now at e20d5cf Add speed and pitch settings to `PublicationSpeechSynthesizer` (#928)
Cloned https://github.com/readium/swift-toolkit.git
Revision (git rev-parse @):
e20d5cfc847c2cfa02aaf7be409848b504bd46ca
SUCCESS checkout https://github.com/readium/swift-toolkit.git at develop
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Build
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Selected platform: wasm
Swift version: 6.3
Building package at path: $PWD
https://github.com/readium/swift-toolkit.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344843-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:wasm-6.3-latest swift build --swift-sdk swift-6.3.2-RELEASE_wasm 2>&1
wasm-6.3-latest: Pulling from saguaro1/spi-images
Digest: sha256:eea66feda95ad8894091082dbcb77ec1fc917891d37888fd1938b0b68455d992
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:wasm-6.3-latest
Fetching https://github.com/readium/ZIPFoundation.git
Fetching https://github.com/scinfu/SwiftSoup.git
Fetching https://github.com/readium/Fuzi.git
Fetching https://github.com/marmelroy/Zip.git
Fetching https://github.com/apple/swift-docc-plugin
[1/2000] Fetching zip
[461/4345] Fetching zip, swift-docc-plugin
[649/5190] Fetching zip, swift-docc-plugin, fuzi
[741/12322] Fetching zip, swift-docc-plugin, fuzi, swiftsoup
[11784/18282] Fetching zip, swift-docc-plugin, fuzi, swiftsoup, zipfoundation
Fetched https://github.com/apple/swift-docc-plugin from cache (0.54s)
Fetched https://github.com/marmelroy/Zip.git from cache (0.57s)
[9706/13937] Fetching fuzi, swiftsoup, zipfoundation
Fetched https://github.com/readium/Fuzi.git from cache (0.62s)
Fetched https://github.com/scinfu/SwiftSoup.git from cache (0.68s)
Fetched https://github.com/readium/ZIPFoundation.git from cache (0.69s)
Computing version for https://github.com/apple/swift-docc-plugin
Computed https://github.com/apple/swift-docc-plugin at 1.5.0 (1.58s)
Fetching https://github.com/swiftlang/swift-docc-symbolkit
[1/3849] Fetching swift-docc-symbolkit
Fetched https://github.com/swiftlang/swift-docc-symbolkit from cache (0.53s)
Computing version for https://github.com/readium/ZIPFoundation.git
Computed https://github.com/readium/ZIPFoundation.git at 3.0.1 (0.69s)
Computing version for https://github.com/marmelroy/Zip.git
Computed https://github.com/marmelroy/Zip.git at 2.1.2 (0.17s)
Computing version for https://github.com/swiftlang/swift-docc-symbolkit
Computed https://github.com/swiftlang/swift-docc-symbolkit at 1.0.0 (0.20s)
Computing version for https://github.com/readium/Fuzi.git
Computed https://github.com/readium/Fuzi.git at 4.0.1 (0.17s)
Computing version for https://github.com/scinfu/SwiftSoup.git
Computed https://github.com/scinfu/SwiftSoup.git at 2.14.3 (0.14s)
Creating working copy for https://github.com/readium/Fuzi.git
Working copy of https://github.com/readium/Fuzi.git resolved at 4.0.1
Creating working copy for https://github.com/readium/ZIPFoundation.git
Working copy of https://github.com/readium/ZIPFoundation.git resolved at 3.0.1
Creating working copy for https://github.com/scinfu/SwiftSoup.git
Working copy of https://github.com/scinfu/SwiftSoup.git resolved at 2.14.3
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/apple/swift-docc-plugin
Working copy of https://github.com/apple/swift-docc-plugin resolved at 1.5.0
Creating working copy for https://github.com/marmelroy/Zip.git
Working copy of https://github.com/marmelroy/Zip.git resolved at 2.1.2
warning: 'zipfoundation': found 1 file(s) which are unhandled; explicitly declare them as resources or exclude from the target
/host/spi-builder-workspace/.build/checkouts/ZIPFoundation/Sources/ZIPFoundation/Resources/PrivacyInfo.xcprivacy
[1/1] Compiling plugin Swift-DocC Preview
[2/2] Compiling plugin Swift-DocC
Building for debugging...
[2/31] Copying Localizable.strings
[3/31] Copying Info.plist
[4/31] Copying W3CAccessibilityMetadataDisplayGuide.strings
[4/31] Copying Info.plist
[4/31] Copying W3CAccessibilityMetadataDisplayGuide.strings
[4/31] Copying Info.plist
[5/31] Copying W3CAccessibilityMetadataDisplayGuide.strings
[5/31] Copying Localizable.strings
[10/31] Copying Info.plist
[10/31] Copying Localizable.strings
[12/31] Copying Assets
[12/31] Copying Info.plist
[15/31] Write sources
[18/31] Copying Publications
[19/31] Write sources
[24/31] Copying Assets
[25/31] 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.
[27/31] 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.
[27/31] 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>
| ^~~~~~~~
1 error generated.
[27/31] Compiling Minizip unzip.c
[27/31] Write swift-version-24593BA9C3E375BF.txt
BUILD FAILURE 6.3 wasm