Swift Package IndexBuild Information
Failed to build Readium, reference develop (c71bd3), with Swift 6.1 for Linux on 30 Apr 2026 14:00:43 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:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu 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: linux
Swift version: 6.1
Building package at path: $PWD
https://github.com/readium/swift-toolkit.git
https://github.com/readium/swift-toolkit.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures 2>&1
basic-6.1-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:a7bfd71e9384436264431030299dc8a2d42d0664a168cfa1a5dd84c9bc592ccf
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:basic-6.1-latest
Fetching https://github.com/readium/ZIPFoundation.git
Fetching https://github.com/readium/GCDWebServer.git
Fetching https://github.com/readium/Fuzi.git
Fetching https://github.com/apple/swift-docc-plugin
Fetching https://github.com/scinfu/SwiftSoup.git
Fetching https://github.com/stephencelis/SQLite.swift.git
[1/840] Fetching fuzi
[312/6769] Fetching fuzi, swiftsoup
[465/9056] Fetching fuzi, swiftsoup, swift-docc-plugin
[1486/13280] Fetching fuzi, swiftsoup, swift-docc-plugin, gcdwebserver
[7563/24438] Fetching fuzi, swiftsoup, swift-docc-plugin, gcdwebserver, sqlite.swift
Fetched https://github.com/readium/Fuzi.git from cache (1.04s)
[10696/23598] Fetching swiftsoup, swift-docc-plugin, gcdwebserver, sqlite.swift
Fetching https://github.com/ra1028/DifferenceKit.git
[18461/25917] Fetching swiftsoup, swift-docc-plugin, gcdwebserver, sqlite.swift, differencekit
Fetched https://github.com/readium/GCDWebServer.git from cache (2.15s)
[16188/21693] Fetching swiftsoup, swift-docc-plugin, sqlite.swift, differencekit
Fetching https://github.com/marmelroy/Zip.git
[21694/23693] Fetching swiftsoup, swift-docc-plugin, sqlite.swift, differencekit, zip
Fetched https://github.com/ra1028/DifferenceKit.git from cache (3.01s)
Fetched https://github.com/apple/swift-docc-plugin from cache (4.12s)
Fetching https://github.com/krzyzanowskim/CryptoSwift.git
Fetched https://github.com/scinfu/SwiftSoup.git from cache (4.13s)
Fetched https://github.com/stephencelis/SQLite.swift.git from cache (4.15s)
Fetched https://github.com/marmelroy/Zip.git from cache (2.01s)
[1/13387] Fetching cryptoswift
[1876/18624] Fetching cryptoswift, zipfoundation
Fetched https://github.com/krzyzanowskim/CryptoSwift.git from cache (3.55s)
[685/5237] Fetching zipfoundation
Fetched https://github.com/readium/ZIPFoundation.git from cache (19.26s)
Computing version for https://github.com/readium/ZIPFoundation.git
Computed https://github.com/readium/ZIPFoundation.git at 3.0.1 (20.39s)
Computing version for https://github.com/readium/Fuzi.git
Computed https://github.com/readium/Fuzi.git at 4.0.0 (5.38s)
Computing version for https://github.com/ra1028/DifferenceKit.git
Computed https://github.com/ra1028/DifferenceKit.git at 1.3.0 (1.18s)
Computing version for https://github.com/readium/GCDWebServer.git
Computed https://github.com/readium/GCDWebServer.git at 4.0.1 (1.24s)
Computing version for https://github.com/marmelroy/Zip.git
Computed https://github.com/marmelroy/Zip.git at 2.1.2 (1.23s)
Computing version for https://github.com/scinfu/SwiftSoup.git
Computed https://github.com/scinfu/SwiftSoup.git at 2.13.4 (1.15s)
Computing version for https://github.com/stephencelis/SQLite.swift.git
Computed https://github.com/stephencelis/SQLite.swift.git at 0.16.0 (1.07s)
Fetching https://github.com/sqlcipher/SQLCipher.swift
Fetching https://github.com/stephencelis/CSQLite
[1/127] Fetching sqlcipher.swift
[128/327] Fetching sqlcipher.swift, csqlite
Fetched https://github.com/sqlcipher/SQLCipher.swift from cache (4.03s)
Fetched https://github.com/stephencelis/CSQLite from cache (4.03s)
Computing version for https://github.com/stephencelis/CSQLite
Computed https://github.com/stephencelis/CSQLite at 3.50.4 (5.21s)
Computing version for https://github.com/sqlcipher/SQLCipher.swift
Computed https://github.com/sqlcipher/SQLCipher.swift at 4.15.0 (1.08s)
Computing version for https://github.com/krzyzanowskim/CryptoSwift.git
Computed https://github.com/krzyzanowskim/CryptoSwift.git at 1.10.0 (1.15s)
Computing version for https://github.com/apple/swift-docc-plugin
Computed https://github.com/apple/swift-docc-plugin at 1.5.0 (2.56s)
Fetching https://github.com/swiftlang/swift-docc-symbolkit
[1/3679] Fetching swift-docc-symbolkit
Fetched https://github.com/swiftlang/swift-docc-symbolkit from cache (1.56s)
Computing version for https://github.com/swiftlang/swift-docc-symbolkit
Computed https://github.com/swiftlang/swift-docc-symbolkit at 1.0.0 (3.63s)
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/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/marmelroy/Zip.git
Working copy of https://github.com/marmelroy/Zip.git resolved at 2.1.2
Creating working copy for https://github.com/sqlcipher/SQLCipher.swift
Working copy of https://github.com/sqlcipher/SQLCipher.swift resolved at 4.15.0
Creating working copy for https://github.com/ra1028/DifferenceKit.git
Working copy of https://github.com/ra1028/DifferenceKit.git resolved at 1.3.0
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/readium/Fuzi.git
Working copy of https://github.com/readium/Fuzi.git resolved at 4.0.0
Creating working copy for https://github.com/stephencelis/CSQLite
Working copy of https://github.com/stephencelis/CSQLite resolved at 3.50.4
Downloading binary artifact https://github.com/sqlcipher/SQLCipher.swift/releases/download/4.15.0/SQLCipher.xcframework.zip
[1397/50209920] Downloading https://github.com/sqlcipher/SQLCipher.swift/releases/download/4.15.0/SQLCipher.xcframework.zip
Downloaded https://github.com/sqlcipher/SQLCipher.swift/releases/download/4.15.0/SQLCipher.xcframework.zip (8.01s)
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...
/host/spi-builder-workspace/.build/checkouts/GCDWebServer/GCDWebServer/Core/GCDWebServerResponse.m:29:2: error: ReadiumGCDWebServer requires ARC
29 | #error ReadiumGCDWebServer requires ARC
| ^
In file included from /host/spi-builder-workspace/.build/checkouts/GCDWebServer/GCDWebServer/Core/GCDWebServerResponse.m:35:
/host/spi-builder-workspace/.build/checkouts/GCDWebServer/GCDWebServer/Core/../Core/GCDWebServerPrivate.h:28:9: fatal error: 'os/object.h' file not found
28 | #import <os/object.h>
| ^~~~~~~~~~~~~
2 errors generated.
/host/spi-builder-workspace/.build/checkouts/GCDWebServer/GCDWebServer/Requests/GCDWebServerFileRequest.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/GCDWebServerFileRequest.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.
[2/53] Compiling GCDWebServerFileRequest.m
[2/53] Compiling GCDWebServerResponse.m
/host/spi-builder-workspace/.build/checkouts/GCDWebServer/GCDWebServer/Core/GCDWebServerRequest.m:29:2: error: ReadiumGCDWebServer requires ARC
29 | #error ReadiumGCDWebServer requires ARC
| ^
In file included from /host/spi-builder-workspace/.build/checkouts/GCDWebServer/GCDWebServer/Core/GCDWebServerRequest.m:35:
/host/spi-builder-workspace/.build/checkouts/GCDWebServer/GCDWebServer/Core/../Core/GCDWebServerPrivate.h:28:9: fatal error: 'os/object.h' file not found
28 | #import <os/object.h>
| ^~~~~~~~~~~~~
2 errors generated.
[2/53] Compiling GCDWebServerRequest.m
/host/spi-builder-workspace/.build/checkouts/GCDWebServer/GCDWebServer/Requests/GCDWebServerMultiPartFormRequest.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/GCDWebServerMultiPartFormRequest.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.
[2/53] Compiling GCDWebServerMultiPartFormRequest.m
/host/spi-builder-workspace/.build/checkouts/GCDWebServer/GCDWebServer/Requests/GCDWebServerURLEncodedFormRequest.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/GCDWebServerURLEncodedFormRequest.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>
| ^~~~~~~~~~~~~
[2/53] Compiling GCDWebServerURLEncodedFormRequest.m
/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>
| ^~~~~~~~~~~~~
[2/53] Compiling GCDWebServerDataRequest.m
/host/spi-builder-workspace/.build/checkouts/GCDWebServer/GCDWebServer/Responses/GCDWebServerDataResponse.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/GCDWebServerDataResponse.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>
| ^~~~~~~~~~~~~
[2/53] Compiling GCDWebServerDataResponse.m
[2/53] Write swift-version-24593BA9C3E375BF.txt
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:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu 2>&1
basic-6.1-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:a7bfd71e9384436264431030299dc8a2d42d0664a168cfa1a5dd84c9bc592ccf
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:basic-6.1-latest
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
[0/1] Planning build
[1/1] Compiling plugin Swift-DocC Preview
[2/2] Compiling plugin Swift-DocC
Building for debugging...
[2/53] Write sources
[2/53] Copying Info.plist
[2/53] Copying PrivacyInfo.xcprivacy
[2/53] Copying W3CAccessibilityMetadataDisplayGuide.strings
[2/53] Write sources
[2/53] Copying W3CAccessibilityMetadataDisplayGuide.strings
[2/53] Copying Info.plist
[2/53] Copying Localizable.strings
[2/53] Write sources
[2/53] Copying Localizable.strings
[3/53] Write sources
[3/53] Copying Localizable.strings
[3/53] Write sources
[3/53] Copying Info.plist
[11/53] Copying prod-license.lcpl
[14/53] Write sources
[20/53] Copying Info.plist
[20/53] Write sources
[20/53] Copying Localizable.strings
/host/spi-builder-workspace/.build/checkouts/GCDWebServer/GCDWebServer/Responses/GCDWebServerFileResponse.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/GCDWebServerFileResponse.m:35:
/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>
| ^~~~~~~~~~~~~
2 errors generated.
/host/spi-builder-workspace/.build/checkouts/GCDWebServer/GCDWebServer/Responses/GCDWebServerDataResponse.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/GCDWebServerDataResponse.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>
| ^~~~~~~~~~~~~
2 errors generated.
[28/53] Compiling GCDWebServerDataResponse.m
[28/53] Compiling GCDWebServerFileResponse.m
/host/spi-builder-workspace/.build/checkouts/GCDWebServer/GCDWebServer/Responses/GCDWebServerErrorResponse.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/GCDWebServerErrorResponse.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>
| ^~~~~~~~~~~~~
[28/53] Compiling GCDWebServerErrorResponse.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>
| ^~~~~~~~~~~~~
[28/53] Compiling GCDWebServerStreamedResponse.m
[28/53] Compiling SQLiteSwiftCSQLite sqlite3.c
[28/53] Compiling Minizip unzip.c
[28/53] Compiling Minizip zip.c
[28/53] Write swift-version-24593BA9C3E375BF.txt
BUILD FAILURE 6.1 linux