Forked – Build Information – Swift Package Index

Build Information

Failed to build Forked, reference main (63e36c), with Swift 6.4 for Wasm on 24 Sep 2026 07:57:27 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-54344843-2":/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/drewmccormack/Forked.git
Reference: main
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/drewmccormack/Forked
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 63e36cb Pass --traits to Android build step in CI.
Cloned https://github.com/drewmccormack/Forked.git
Revision (git rev-parse @):
63e36cb5613db27b401ea3896df310efcf8f93b9
SUCCESS checkout https://github.com/drewmccormack/Forked.git at main
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/drewmccormack/Forked.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344843-2":/host -w "$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/apple/swift-docc-plugin
[1/2345] Fetching swift-docc-plugin
Fetched https://github.com/apple/swift-docc-plugin (0.56s)
Computing version for https://github.com/apple/swift-docc-plugin
Computed https://github.com/apple/swift-docc-plugin at 1.5.0 (1.64s)
Fetching https://github.com/swiftlang/swift-docc-symbolkit
[1/3829] Fetching swift-docc-symbolkit
Fetched https://github.com/swiftlang/swift-docc-symbolkit (0.53s)
Computing version for https://github.com/swiftlang/swift-docc-symbolkit
Computed https://github.com/swiftlang/swift-docc-symbolkit at 1.0.0 (0.77s)
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
warning: 'spi-builder-workspace': found 1 file(s) which are unhandled; explicitly declare them as resources or exclude from the target
    /host/spi-builder-workspace/Sources/ForkedCloudKit/cloudkit-schema.ckdb
Building for debugging...
[Constructing description]
[Pre-planning 1 / 240]
[45 / 77] Forked
error: SwiftCompile normal wasm32 /host/spi-builder-workspace/Sources/Forked/AtomicRepository.swift failed with a nonzero exit code. Command line:     cd /host
    builtin-SwiftPerFileCompile AtomicRepository.swift
/host/spi-builder-workspace/Sources/Forked/AtomicRepository.swift:81:55: [1;31merror: [1;39m'atomic' is unavailable: atomic writing is unavailable in WASI because temporary files are not supported[0;0m
[0;36m79 |[0;0m     public func persist() throws {
[0;36m80 |[0;0m         let data = try JSONEncoder().encode(self)
[0;36m81 |[0;0m         try data.write(to: managedFileURL!, options: .[4;39matomic[0;0m)
   [0;36m|[0;0m                                                       `- [1;31merror: [1;39m'atomic' is unavailable: atomic writing is unavailable in WASI because temporary files are not supported[0;0m
[0;36m82 |[0;0m     }
[0;36m83 |[0;0m
FoundationEssentials.Data.WritingOptions.atomic:4:23: [1;39mnote: [1;39m'atomic' has been explicitly marked unavailable here[0;0m
[0;36m2 |[0;0m   struct WritingOptions {
[0;36m3 |[0;0m @available(*, unavailable, message: "atomic writing is unavailable in WASI because temporary files are not supported")
[0;36m4 |[0;0m     public static let atomic: Data.WritingOptions  }
  [0;36m|[0;0m                       `- [1;39mnote: [1;39m'atomic' has been explicitly marked unavailable here[0;0m
[0;36m5 |[0;0m }
[0;36m6 |[0;0m
Failed frontend command:
/usr/bin/swift-frontend -frontend -c -primary-file /host/spi-builder-workspace/Sources/Forked/AtomicRepository.swift -primary-file /host/spi-builder-workspace/Sources/Forked/Commit.swift -primary-file /host/spi-builder-workspace/Sources/Forked/ConflictingCommits.swift /host/spi-builder-workspace/Sources/Forked/Error.swift /host/spi-builder-workspace/Sources/Forked/FileRepository.swift /host/spi-builder-workspace/Sources/Forked/Fork.swift /host/spi-builder-workspace/Sources/Forked/ForkOccupation.swift /host/spi-builder-workspace/Sources/Forked/ForkedResource+Merging.swift /host/spi-builder-workspace/Sources/Forked/ForkedResource+Querying.swift /host/spi-builder-workspace/Sources/Forked/ForkedResource+Updating.swift /host/spi-builder-workspace/Sources/Forked/ForkedResource.swift /host/spi-builder-workspace/Sources/Forked/MergeAction.swift /host/spi-builder-workspace/Sources/Forked/Mergeable.swift /host/spi-builder-workspace/Sources/Forked/QuickFork.swift /host/spi-builder-workspace/Sources/Forked/Repository.swift /host/spi-builder-workspace/Sources/Forked/Version.swift /host/spi-builder-workspace/Sources/Forked/VersionedModel.swift -supplementary-output-file-map /host/spi-builder-workspace/.build/out/Intermediates.noindex/Forked.build/Debug-webassembly-wasm32/Forked-t.build/Objects-normal/wasm32/supplementaryOutputs-1 -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 6 -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/Forked.build/Debug-webassembly-wasm32/Forked-t.build/DerivedSources-normal/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/Forked.build/Debug-webassembly-wasm32/Forked-t.build/DerivedSources/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/Forked.build/Debug-webassembly-wasm32/Forked-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name Forked -package-name spi_builder_workspace -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/Forked.build/Debug-webassembly-wasm32/Forked-t.build/Objects-normal/wasm32/Forked_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/Forked.build/Debug-webassembly-wasm32/Forked-t.build/Objects-normal/wasm32/AtomicRepository.o -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/Forked.build/Debug-webassembly-wasm32/Forked-t.build/Objects-normal/wasm32/Commit.o -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/Forked.build/Debug-webassembly-wasm32/Forked-t.build/Objects-normal/wasm32/ConflictingCommits.o -index-unit-output-path /Forked.build/Debug-webassembly-wasm32/Forked-t.build/Objects-normal/wasm32/AtomicRepository.o -index-unit-output-path /Forked.build/Debug-webassembly-wasm32/Forked-t.build/Objects-normal/wasm32/Commit.o -index-unit-output-path /Forked.build/Debug-webassembly-wasm32/Forked-t.build/Objects-normal/wasm32/ConflictingCommits.o -index-store-path /host/spi-builder-workspace/.build/out -index-system-modules
error: Build failed
BUILD FAILURE 6.4 wasm