Swift Package Index

Build Information

Failed to build Readium, reference 4.0.0-alpha.2 (e23361), with Swift 6.4 for macOS (SPM) on 26 Sep 2026 08:14:07 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64

Build Log

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RunAll
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Builder version: 5.1.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/readium/swift-toolkit.git
Reference: 4.0.0-alpha.2
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/readium/swift-toolkit
 * tag               4.0.0-alpha.2 -> FETCH_HEAD
HEAD is now at e23361a 4.0.0-alpha.2 (#902)
Cloned https://github.com/readium/swift-toolkit.git
Revision (git rev-parse @):
e23361a748afa66d0095b75897e834de47b249cc
SUCCESS checkout https://github.com/readium/swift-toolkit.git at 4.0.0-alpha.2
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Build
========================================
Selected platform:         macosSpm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/readium/swift-toolkit.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64
Building for debugging...
[Computing dependencies]
[Constructing description]
[Pre-planning 1 / 738]
[Planning deferred tasks]
[166 / 292] Readium_ReadiumNavigator
[200 / 292] Readium_ReadiumStreamerTests
[200 / 292]
[208 / 297] Minizip
[213 / 307]
[215 / 307]
[218 / 307]
[222 / 307] TestPublications
[240 / 416]
[244 / 416]
[254 / 416]
[261 / 416]
[263 / 416]
[271 / 416]
[275 / 416]
[280 / 416]
[285 / 416]
[288 / 416]
[291 / 416]
[292 / 416]
[294 / 416]
[304 / 416] TestPublications
[306 / 416] TestPublications
[309 / 416] Zip
[321 / 416] ReadiumZIPFoundation
[328 / 416] ReadiumFuzi
[337 / 416] SwiftSoup
[341 / 416] TestPublications
[344 / 416] ReadiumZIPFoundation-product
[352 / 416] SwiftSoup
[355 / 416] SwiftSoup-product
[359 / 416] ReadiumZIPFoundation
[360 / 416] ReadiumFuzi-product
[366 / 417] ReadiumFuzi
[368 / 417] ReadiumZIPFoundation
[370 / 417] SwiftSoup
[372 / 417] ReadiumShared
Fetching https://github.com/readium/Fuzi.git
Fetching https://github.com/marmelroy/Zip.git
Fetching https://github.com/apple/swift-docc-plugin
Fetching https://github.com/scinfu/SwiftSoup.git
Fetching https://github.com/readium/ZIPFoundation.git
[1/2000] Fetching zip
[2/4345] Fetching zip, swift-docc-plugin
[3/5190] Fetching zip, swift-docc-plugin, fuzi
[757/11138] Fetching zip, swift-docc-plugin, fuzi, zipfoundation
[1568/18117] Fetching zip, swift-docc-plugin, fuzi, zipfoundation, swiftsoup
Fetched https://github.com/readium/Fuzi.git (1.57s)
[12157/17272] Fetching zip, swift-docc-plugin, zipfoundation, swiftsoup
Fetched https://github.com/marmelroy/Zip.git (1.79s)
Fetched https://github.com/apple/swift-docc-plugin (1.79s)
Fetched https://github.com/readium/ZIPFoundation.git (1.79s)
Fetched https://github.com/scinfu/SwiftSoup.git (1.79s)
Computing version for https://github.com/apple/swift-docc-plugin
Computed https://github.com/apple/swift-docc-plugin at 1.5.0 (4.76s)
Fetching https://github.com/swiftlang/swift-docc-symbolkit
[1/3830] Fetching swift-docc-symbolkit
Fetched https://github.com/swiftlang/swift-docc-symbolkit (1.39s)
Computing version for https://github.com/readium/ZIPFoundation.git
warning: 'zipfoundation': /Package.swift:24:58: warning: 'v4' is deprecated: watchOS 9.0 is the oldest supported version [#DeprecatedDeclaration]
22 |     name: "ReadiumZIPFoundation",
23 |     platforms: [
24 |         .macOS(.v11), .iOS(.v13), .tvOS(.v12), .watchOS(.v4), .visionOS(.v1)
   |                                                          `- warning: 'v4' is deprecated: watchOS 9.0 is the oldest supported version [#DeprecatedDeclaration]
25 |     ],
26 |     products: [
[#DeprecatedDeclaration]: <https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration>
Computed https://github.com/readium/ZIPFoundation.git at 3.0.1 (1.97s)
Computing version for https://github.com/marmelroy/Zip.git
Computed https://github.com/marmelroy/Zip.git at 2.1.2 (0.66s)
Computing version for https://github.com/swiftlang/swift-docc-symbolkit
Computed https://github.com/swiftlang/swift-docc-symbolkit at 1.0.0 (0.70s)
Computing version for https://github.com/readium/Fuzi.git
Computed https://github.com/readium/Fuzi.git at 4.0.1 (0.65s)
Computing version for https://github.com/scinfu/SwiftSoup.git
Computed https://github.com/scinfu/SwiftSoup.git at 2.13.9 (0.54s)
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/readium/ZIPFoundation.git
Working copy of https://github.com/readium/ZIPFoundation.git resolved at 3.0.1
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/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/scinfu/SwiftSoup.git
Working copy of https://github.com/scinfu/SwiftSoup.git resolved at 2.13.9
warning: 'zipfoundation': /Users/admin/builder/spi-builder-workspace/.build/checkouts/ZIPFoundation/Package.swift:24:58: warning: 'v4' is deprecated: watchOS 9.0 is the oldest supported version [#DeprecatedDeclaration]
22 |     name: "ReadiumZIPFoundation",
23 |     platforms: [
24 |         .macOS(.v11), .iOS(.v13), .tvOS(.v12), .watchOS(.v4), .visionOS(.v1)
   |                                                          `- warning: 'v4' is deprecated: watchOS 9.0 is the oldest supported version [#DeprecatedDeclaration]
25 |     ],
26 |     products: [
[#DeprecatedDeclaration]: <https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration>
error: /Users/admin/builder/spi-builder-workspace/Sources/Shared/Publication/Services/Cover/CoverService.swift:8:8 unable to resolve module dependency: 'UIKit'
error: SwiftDriver ReadiumShared normal arm64 com.apple.xcode.tools.swift.compiler failed with a nonzero exit code. Command line:     cd /Users/admin/builder
    builtin-SwiftDriver -- /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -parse-as-library -module-name ReadiumShared -Onone @/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Readium.build/Debug/ReadiumShared-t.build/Objects-normal/arm64/ReadiumShared.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_AVAILABLE -Xcc -fmodule-map-file\=/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/GeneratedModuleMaps/Minizip.modulemap -DXcode -enable-upcoming-feature NonisolatedNonsendingByDefault -enable-upcoming-feature InferIsolatedConformances -enable-upcoming-feature MemberImportVisibility -plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk -target arm64-apple-macos12.0 -g -module-cache-path /Users/admin/builder/spi-builder-workspace/.build/out/ModuleCache.noindex -Xfrontend -serialize-debugging-options -enable-testing -index-store-path /Users/admin/builder/spi-builder-workspace/.build/out -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -swift-version 6 -I /Users/admin/builder/spi-builder-workspace/.build/out/Products/Debug -Isystem /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.build/out/Products/Debug/PackageFrameworks -F /Users/admin/builder/spi-builder-workspace/.build/out/Products/Debug -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks -emit-localized-strings -emit-localized-strings-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Readium.build/Debug/ReadiumShared-t.build/Objects-normal/arm64 -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.build/out/SDKStatCaches.noindex/macosx27.0-26A425-80c5bbf1d171475443272936d42f90a36a22442a12e9d48fe1a705f55a1adfc4.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Readium.build/Debug/ReadiumShared-t.build/Objects-normal/arm64/ReadiumShared-OutputFileMap.json -save-temps -color-diagnostics -explicit-module-build -module-cache-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftExplicitPrecompiledModules -clang-scanner-module-cache-path /Users/admin/builder/spi-builder-workspace/.build/out/ModuleCache.noindex -sdk-module-cache-path /Users/admin/builder/spi-builder-workspace/.build/out/SDKExplicitPrecompiledModules -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Readium.build/Debug/ReadiumShared-t.build/Objects-normal/arm64/ReadiumShared.swiftmodule -serialize-diagnostics -dependency-scan-serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Readium.build/Debug/ReadiumShared-t.build/Objects-normal/arm64/ReadiumShared-dependency-scan.dia -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.build/out/ModuleCache.noindex/Session.modulevalidation -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -package-name spi_builder_workspace -emit-const-values -const-gather-protocols-list /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Readium.build/Debug/ReadiumShared-t.build/Objects-normal/arm64/ReadiumShared_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/checkouts/Zip/Zip/minizip/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Products/Debug/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Readium.build/Debug/ReadiumShared-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Readium.build/Debug/ReadiumShared-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Readium.build/Debug/ReadiumShared-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -emit-objc-header -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Readium.build/Debug/ReadiumShared-t.build/Objects-normal/arm64/ReadiumShared-Swift.h -working-directory /Users/admin/builder -experimental-emit-module-separately -disable-cmo
error: Build failed
BUILD FAILURE 6.4 macosSpm