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Build Information

Failed to build DiffableDataSources, reference master (a457cf), with Swift 6.4 for Wasm on 18 Sep 2026 12:41:24 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-6.4-latest swift build --swift-sdk swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/ra1028/DiffableDataSources.git
Reference: master
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/ra1028/DiffableDataSources
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at a457cf6 Merge pull request #38 from ra1028/v0.5.0
Submodule path 'Carthage/Checkouts/DifferenceKit': checked out '62745d7780deef4a023a792a1f8f763ec7bf9705'
Submodule 'Carthage/Checkouts/DifferenceKit' (https://github.com/ra1028/DifferenceKit.git) registered for path 'Carthage/Checkouts/DifferenceKit'
Cloning into '/host/spi-builder-workspace/Carthage/Checkouts/DifferenceKit'...
Cloned https://github.com/ra1028/DiffableDataSources.git
Revision (git rev-parse @):
a457cf63456b3aeec2a3626af0230c98b0733927
SUCCESS checkout https://github.com/ra1028/DiffableDataSources.git at master
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/ra1028/DiffableDataSources.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344843-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:wasm-6.4-latest swift build --swift-sdk swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm 2>&1
wasm-6.4-latest: Pulling from saguaro1/spi-images
Digest: sha256:4328fdb43c680d205c1d6761b1e3267aa38277eefdda9ddfb17b6a0f1a77857a
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:wasm-6.4-latest
Fetching https://github.com/ra1028/DifferenceKit.git
[1/2328] Fetching differencekit
Fetched https://github.com/ra1028/DifferenceKit.git (0.61s)
Computing version for https://github.com/ra1028/DifferenceKit.git
Computed https://github.com/ra1028/DifferenceKit.git at 1.2.0 (0.80s)
Creating working copy for https://github.com/ra1028/DifferenceKit.git
Working copy of https://github.com/ra1028/DifferenceKit.git resolved at 1.2.0
Building for debugging...
[Pre-planning 1 / 96]
[23 / 38] DifferenceKit
[32 / 47] DifferenceKit
[42 / 57] DiffableDataSources
[45 / 57] DifferenceKit
error: SwiftCompile normal wasm32 /host/spi-builder-workspace/Sources/UIKit/TableViewDiffableDataSource.swift failed with a nonzero exit code. Command line:     cd /host
    builtin-SwiftPerFileCompile TableViewDiffableDataSource.swift
/host/spi-builder-workspace/Sources/Internal/DiffableDataSourceCore.swift:2:8: error: no such module 'QuartzCore'
  1 | import Foundation
  2 | import QuartzCore
    |        `- error: no such module 'QuartzCore'
  3 | import DifferenceKit
  4 |
Failed frontend command:
/usr/bin/swift-frontend -frontend -c /host/spi-builder-workspace/Sources/AppKit/CocoaCollectionViewDiffableDataSource.swift /host/spi-builder-workspace/Sources/DiffableDataSourceSnapshot.swift /host/spi-builder-workspace/Sources/Internal/DiffableDataSourceCore.swift /host/spi-builder-workspace/Sources/Internal/HashableExtension.swift /host/spi-builder-workspace/Sources/Internal/MainThreadSerialDispatcher.swift /host/spi-builder-workspace/Sources/Internal/SnapshotStructure.swift /host/spi-builder-workspace/Sources/Internal/UniversalError.swift /host/spi-builder-workspace/Sources/UIKit/CollectionViewDiffableDataSource.swift -primary-file /host/spi-builder-workspace/Sources/UIKit/TableViewDiffableDataSource.swift -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/DiffableDataSources.build/Debug-webassembly-wasm32/DiffableDataSources-t.build/Objects-normal/wasm32/TableViewDiffableDataSource.d -emit-const-values-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/DiffableDataSources.build/Debug-webassembly-wasm32/DiffableDataSources-t.build/Objects-normal/wasm32/TableViewDiffableDataSource.swiftconstvalues -emit-reference-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/DiffableDataSources.build/Debug-webassembly-wasm32/DiffableDataSources-t.build/Objects-normal/wasm32/TableViewDiffableDataSource.swiftdeps -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/DiffableDataSources.build/Debug-webassembly-wasm32/DiffableDataSources-t.build/Objects-normal/wasm32/TableViewDiffableDataSource.dia -target wasm32-unknown-wasip1 -disable-objc-interop -sdk /root/.swiftpm/swift-sdks/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm.artifactbundle/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm/wasm32-unknown-wasip1/WASI.sdk -sysroot /root/.swiftpm/swift-sdks/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm.artifactbundle/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm/wasm32-unknown-wasip1/WASI.sdk -I /host/spi-builder-workspace/.build/out/Products/Debug-webassembly-wasm32 -module-cache-path /host/spi-builder-workspace/.build/out/ModuleCache.noindex -color-diagnostics -Xcc -fcolor-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -swift-version 5 -Onone -D SWIFT_PACKAGE -D DEBUG -D SWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -D Xcode -serialize-debugging-options -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -external-plugin-path /usr/lib/swift/host/plugins/testing\#/usr/bin/swift-plugin-server -validate-clang-modules-once -clang-build-session-file /host/spi-builder-workspace/.build/out/ModuleCache.noindex/Session.modulevalidation -Xcc -working-directory -Xcc /host -resource-dir /root/.swiftpm/swift-sdks/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm.artifactbundle/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm/wasm32-unknown-wasip1/swift.xctoolchain/usr/lib/swift_static -use-static-resource-dir -enable-anonymous-context-mangled-names -file-compilation-dir /host -Xcc -resource-dir -Xcc /root/.swiftpm/swift-sdks/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm.artifactbundle/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm/wasm32-unknown-wasip1/swift.xctoolchain/usr/lib/swift_static/clang -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -Xcc -I/host/spi-builder-workspace/.build/out/Products/Debug-webassembly-wasm32/include -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/DiffableDataSources.build/Debug-webassembly-wasm32/DiffableDataSources-t.build/DerivedSources-normal/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/DiffableDataSources.build/Debug-webassembly-wasm32/DiffableDataSources-t.build/DerivedSources/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/DiffableDataSources.build/Debug-webassembly-wasm32/DiffableDataSources-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name DiffableDataSources -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/DiffableDataSources.build/Debug-webassembly-wasm32/DiffableDataSources-t.build/Objects-normal/wasm32/DiffableDataSources_const_extract_protocols.json -in-process-plugin-server-path /usr/lib/swift/host/libSwiftInProcPluginServer.so -plugin-path /usr/lib/swift/host/plugins -plugin-path /usr/local/lib/swift/host/plugins -parse-as-library -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/DiffableDataSources.build/Debug-webassembly-wasm32/DiffableDataSources-t.build/Objects-normal/wasm32/TableViewDiffableDataSource.o -index-unit-output-path /DiffableDataSources.build/Debug-webassembly-wasm32/DiffableDataSources-t.build/Objects-normal/wasm32/TableViewDiffableDataSource.o -index-store-path /host/spi-builder-workspace/.build/out -index-system-modules
error: Build failed
BUILD FAILURE 6.4 wasm