Swift Package IndexBuild Information
Failed to build Readium, reference develop (c71bd3), with Swift 6.3 for Wasm on 30 Apr 2026 13:55:18 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4606859-3":/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/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 c71bd3f Improve CSS selector performance in the Content API (#786)
Cloned https://github.com/readium/swift-toolkit.git
Revision (git rev-parse @):
c71bd3fc18040d18c028cc5bd479fecb9316b905
SUCCESS checkout https://github.com/readium/swift-toolkit.git at develop
========================================
Build
========================================
Selected platform: wasm
Swift version: 6.3
Building package at path: $PWD
https://github.com/readium/swift-toolkit.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-3":/host -w "$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/stephencelis/SQLite.swift.git
Fetching https://github.com/readium/Fuzi.git
Fetching https://github.com/apple/swift-docc-plugin
Fetching https://github.com/readium/GCDWebServer.git
Fetching https://github.com/readium/ZIPFoundation.git
Fetching https://github.com/scinfu/SwiftSoup.git
[1/840] Fetching fuzi
[841/3127] Fetching fuzi, swift-docc-plugin
[842/14285] Fetching fuzi, swift-docc-plugin, sqlite.swift
[1159/19522] Fetching fuzi, swift-docc-plugin, sqlite.swift, zipfoundation
[2189/23746] Fetching fuzi, swift-docc-plugin, sqlite.swift, zipfoundation, gcdwebserver
Fetched https://github.com/readium/Fuzi.git from cache (1.18s)
Fetching https://github.com/ra1028/DifferenceKit.git
Fetched https://github.com/stephencelis/SQLite.swift.git from cache (1.29s)
Fetching https://github.com/marmelroy/Zip.git
[1/2319] Fetching differencekit
[720/4319] Fetching differencekit, zip
Fetched https://github.com/ra1028/DifferenceKit.git from cache (0.65s)
Fetching https://github.com/krzyzanowskim/CryptoSwift.git
Fetched https://github.com/marmelroy/Zip.git from cache (0.61s)
[1/13387] Fetching cryptoswift
[1876/19316] Fetching cryptoswift, swiftsoup
Fetched https://github.com/krzyzanowskim/CryptoSwift.git from cache (1.53s)
[859/5929] Fetching swiftsoup
Fetched https://github.com/scinfu/SwiftSoup.git from cache (9.72s)
Fetched https://github.com/apple/swift-docc-plugin from cache (9.72s)
Fetched https://github.com/readium/ZIPFoundation.git from cache (9.73s)
Fetched https://github.com/readium/GCDWebServer.git from cache (9.74s)
Computing version for https://github.com/readium/ZIPFoundation.git
Computed https://github.com/readium/ZIPFoundation.git at 3.0.1 (10.14s)
Computing version for https://github.com/readium/Fuzi.git
Computed https://github.com/readium/Fuzi.git at 4.0.0 (2.38s)
Computing version for https://github.com/ra1028/DifferenceKit.git
Computed https://github.com/ra1028/DifferenceKit.git at 1.3.0 (0.46s)
Computing version for https://github.com/readium/GCDWebServer.git
Computed https://github.com/readium/GCDWebServer.git at 4.0.1 (0.46s)
Computing version for https://github.com/marmelroy/Zip.git
Computed https://github.com/marmelroy/Zip.git at 2.1.2 (0.46s)
Computing version for https://github.com/scinfu/SwiftSoup.git
Computed https://github.com/scinfu/SwiftSoup.git at 2.13.4 (0.39s)
Computing version for https://github.com/stephencelis/SQLite.swift.git
Computed https://github.com/stephencelis/SQLite.swift.git at 0.16.0 (0.43s)
Fetching https://github.com/stephencelis/CSQLite
[1/200] Fetching csqlite
Fetched https://github.com/stephencelis/CSQLite from cache (0.75s)
Computing version for https://github.com/stephencelis/CSQLite
Computed https://github.com/stephencelis/CSQLite at 3.50.4 (1.21s)
Computing version for https://github.com/krzyzanowskim/CryptoSwift.git
Computed https://github.com/krzyzanowskim/CryptoSwift.git at 1.10.0 (0.50s)
Computing version for https://github.com/apple/swift-docc-plugin
Computed https://github.com/apple/swift-docc-plugin at 1.5.0 (0.52s)
Fetching https://github.com/swiftlang/swift-docc-symbolkit
[1/3679] Fetching swift-docc-symbolkit
Fetched https://github.com/swiftlang/swift-docc-symbolkit from cache (0.50s)
Computing version for https://github.com/swiftlang/swift-docc-symbolkit
Computed https://github.com/swiftlang/swift-docc-symbolkit at 1.0.0 (1.04s)
Creating working copy for https://github.com/readium/Fuzi.git
Working copy of https://github.com/readium/Fuzi.git resolved at 4.0.0
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/stephencelis/SQLite.swift.git
Working copy of https://github.com/stephencelis/SQLite.swift.git resolved at 0.16.0
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
Creating working copy for https://github.com/stephencelis/CSQLite
Working copy of https://github.com/stephencelis/CSQLite resolved at 3.50.4
Creating working copy for https://github.com/krzyzanowskim/CryptoSwift.git
Working copy of https://github.com/krzyzanowskim/CryptoSwift.git resolved at 1.10.0
Creating working copy for https://github.com/readium/GCDWebServer.git
Working copy of https://github.com/readium/GCDWebServer.git resolved at 4.0.1
Creating working copy for https://github.com/scinfu/SwiftSoup.git
Working copy of https://github.com/scinfu/SwiftSoup.git resolved at 2.13.4
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/ra1028/DifferenceKit.git
Working copy of https://github.com/ra1028/DifferenceKit.git resolved at 1.3.0
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...
[2/53] Write sources
[5/53] Copying PrivacyInfo.xcprivacy
[6/53] Write sources
[7/53] Copying Info.plist
[9/53] Copying Assets
[10/53] Copying W3CAccessibilityMetadataDisplayGuide.strings
[11/53] Copying Info.plist
[14/53] Copying Localizable.strings
[15/53] Copying Info.plist
[16/53] Copying Publications
[17/53] Copying prod-license.lcpl
[18/53] Copying Localizable.strings
[21/53] Copying Info.plist
[22/53] Copying Assets
[23/53] Write sources
/host/spi-builder-workspace/.build/checkouts/GCDWebServer/GCDWebServer/Core/GCDWebServerConnection.m:29:2: error: ReadiumGCDWebServer requires ARC
29 | #error ReadiumGCDWebServer requires ARC
| ^
/host/spi-builder-workspace/.build/checkouts/GCDWebServer/GCDWebServer/Core/GCDWebServerConnection.m:32:9: fatal error: 'TargetConditionals.h' file not found
32 | #import <TargetConditionals.h>
| ^~~~~~~~~~~~~~~~~~~~~~
2 errors generated.
/host/spi-builder-workspace/.build/checkouts/GCDWebServer/GCDWebServer/Requests/GCDWebServerDataRequest.m:29:2: error: ReadiumGCDWebServer requires ARC
29 | #error ReadiumGCDWebServer requires ARC
| ^
In file included from /host/spi-builder-workspace/.build/checkouts/GCDWebServer/GCDWebServer/Requests/GCDWebServerDataRequest.m:33:
/host/spi-builder-workspace/.build/checkouts/GCDWebServer/GCDWebServer/Requests/../Core/GCDWebServerPrivate.h:28:9: fatal error: 'os/object.h' file not found
28 | #import <os/object.h>
| ^~~~~~~~~~~~~
2 errors generated.
[30/53] Compiling GCDWebServerDataRequest.m
[30/53] Compiling GCDWebServerConnection.m
/host/spi-builder-workspace/.build/checkouts/GCDWebServer/GCDWebServer/Core/GCDWebServerFunctions.m:29:2: error: ReadiumGCDWebServer requires ARC
29 | #error ReadiumGCDWebServer requires ARC
| ^
/host/spi-builder-workspace/.build/checkouts/GCDWebServer/GCDWebServer/Core/GCDWebServerFunctions.m:32:9: fatal error: 'TargetConditionals.h' file not found
32 | #import <TargetConditionals.h>
| ^~~~~~~~~~~~~~~~~~~~~~
2 errors generated.
[30/53] Compiling GCDWebServerFunctions.m
[30/53] Compiling GCDWebServerFileResponse.m
/host/spi-builder-workspace/.build/checkouts/GCDWebServer/GCDWebServer/Responses/GCDWebServerStreamedResponse.m:29:2: error: ReadiumGCDWebServer requires ARC
29 | #error ReadiumGCDWebServer requires ARC
| ^
In file included from /host/spi-builder-workspace/.build/checkouts/GCDWebServer/GCDWebServer/Responses/GCDWebServerStreamedResponse.m:33:
/host/spi-builder-workspace/.build/checkouts/GCDWebServer/GCDWebServer/Responses/../Core/GCDWebServerPrivate.h:28:9: fatal error: 'os/object.h' file not found
28 | #import <os/object.h>
| ^~~~~~~~~~~~~
[30/53] Compiling GCDWebServerStreamedResponse.m
[30/53] Compiling SQLiteSwiftCSQLite sqlite3.c
/host/spi-builder-workspace/.build/checkouts/GCDWebServer/GCDWebServer/Core/GCDWebServerRequest.m:29:2: error: ReadiumGCDWebServer requires ARC
29 | #error ReadiumGCDWebServer requires ARC
| ^
/host/spi-builder-workspace/.build/checkouts/GCDWebServer/GCDWebServer/Core/GCDWebServerRequest.m:32:9: fatal error: 'zlib.h' file not found
32 | #import <zlib.h>
| ^~~~~~~~
2 errors generated.
[30/53] Compiling GCDWebServerRequest.m
[30/53] Write swift-version-24593BA9C3E375BF.txt
BUILD FAILURE 6.3 wasm