Swift Package Index

Build Information

Failed to build Vexil, reference v3.0.0-beta.3 (3cfc3a), with Swift 6.4 for Wasm on 20 Sep 2026 23:29:06 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-54344845-1":/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/unsignedapps/Vexil.git
Reference: v3.0.0-beta.3
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/unsignedapps/Vexil
 * tag               v3.0.0-beta.3 -> FETCH_HEAD
HEAD is now at 3cfc3a8 Merge pull request #154 from unsignedapps/fix/asynccurrentvalue-deadlock
Cloned https://github.com/unsignedapps/Vexil.git
Revision (git rev-parse @):
3cfc3a8ed46912e61e9aca19cb177c19ca05a8c1
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/unsignedapps/Vexil.git at v3.0.0-beta.3
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/unsignedapps/Vexil.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344845-1":/host -w "$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/swiftlang/swift-syntax.git
Fetching https://github.com/apple/swift-async-algorithms.git
Fetching https://github.com/nicklockwood/SwiftFormat.git
[1/58830] Fetching swiftformat
[4120/65553] Fetching swiftformat, swift-async-algorithms
[11297/145538] Fetching swiftformat, swift-async-algorithms, swift-syntax
Fetched https://github.com/swiftlang/swift-syntax.git (3.97s)
[21431/65553] Fetching swiftformat, swift-async-algorithms
Fetched https://github.com/apple/swift-async-algorithms.git (22.57s)
Fetched https://github.com/nicklockwood/SwiftFormat.git (22.82s)
Computing version for https://github.com/nicklockwood/SwiftFormat.git
Computed https://github.com/nicklockwood/SwiftFormat.git at 0.63.0 (23.86s)
Computing version for https://github.com/swiftlang/swift-syntax.git
Computed https://github.com/swiftlang/swift-syntax.git at 603.0.2 (0.29s)
Computing version for https://github.com/apple/swift-async-algorithms.git
Computed https://github.com/apple/swift-async-algorithms.git at 1.1.5 (0.20s)
Fetching https://github.com/apple/swift-collections.git
[1/27352] Fetching swift-collections
Fetched https://github.com/apple/swift-collections.git (1.12s)
Computing version for https://github.com/apple/swift-collections.git
Computed https://github.com/apple/swift-collections.git at 1.6.0 (1.40s)
Creating working copy for https://github.com/apple/swift-async-algorithms.git
Working copy of https://github.com/apple/swift-async-algorithms.git resolved at 1.1.5
Creating working copy for https://github.com/nicklockwood/SwiftFormat.git
Working copy of https://github.com/nicklockwood/SwiftFormat.git resolved at 0.63.0
Creating working copy for https://github.com/apple/swift-collections.git
Working copy of https://github.com/apple/swift-collections.git resolved at 1.6.0
Creating working copy for https://github.com/swiftlang/swift-syntax.git
Working copy of https://github.com/swiftlang/swift-syntax.git resolved at 603.0.2
Building for debugging...
[Computing dependencies]
[Pre-planning 1 / 799]
[Planning deferred tasks]
[Writing build description]
[51 / 334] SwiftSyntax601
[166 / 345] SwiftSyntax510
[173 / 362] InternalCollectionsUtilities
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[258 / 399] SwiftSyntax
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[273 / 399] InternalCollectionsUtilities
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[392 / 465] SwiftSyntaxBuilder
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[506 / 535] SwiftSyntax
[509 / 536] SwiftSyntax
[516 / 536] SwiftIfConfig
[525 / 537] VexilMacros
[534 / 546] VexilMacros
[535 / 546] VexilMacros
[538 / 547] VexilMacros
[539 / 547] VexilMacros
error: SwiftCompile normal wasm32 /host/spi-builder-workspace/Sources/Vexil/Visitor.swift failed with a nonzero exit code. Command line:     cd /host
    builtin-SwiftPerFileCompile Visitor.swift
error: SwiftCompile normal wasm32 /host/spi-builder-workspace/Sources/Vexil/Visitors/FlagDescriber.swift failed with a nonzero exit code. Command line:     cd /host
    builtin-SwiftPerFileCompile FlagDescriber.swift
error: SwiftCompile normal wasm32 /host/spi-builder-workspace/Sources/Vexil/Visitors/FlagRemover.swift failed with a nonzero exit code. Command line:     cd /host
    builtin-SwiftPerFileCompile FlagRemover.swift
error: SwiftCompile normal wasm32 /host/spi-builder-workspace/Sources/Vexil/Visitors/FlagSetter.swift failed with a nonzero exit code. Command line:     cd /host
    builtin-SwiftPerFileCompile FlagSetter.swift
/host/spi-builder-workspace/Sources/Vexil/Lookup.swift:15:8: error: no such module 'Combine'
13 |
14 | #if !os(Linux)
15 | import Combine
   |        `- error: no such module 'Combine'
16 | #endif
17 |
Failed frontend command:
/usr/bin/swift-frontend -frontend -c /host/spi-builder-workspace/Sources/Vexil/Configuration.swift /host/spi-builder-workspace/Sources/Vexil/Container.swift /host/spi-builder-workspace/Sources/Vexil/DisplayOptions.swift /host/spi-builder-workspace/Sources/Vexil/Flag.swift /host/spi-builder-workspace/Sources/Vexil/Group.swift /host/spi-builder-workspace/Sources/Vexil/KeyPath.swift /host/spi-builder-workspace/Sources/Vexil/Lookup.swift /host/spi-builder-workspace/Sources/Vexil/Observability/FlagGroupWigwag.swift /host/spi-builder-workspace/Sources/Vexil/Observability/FlagWigwag.swift /host/spi-builder-workspace/Sources/Vexil/Observability/Observing.swift /host/spi-builder-workspace/Sources/Vexil/Pole+Observability.swift /host/spi-builder-workspace/Sources/Vexil/Pole.swift /host/spi-builder-workspace/Sources/Vexil/Snapshots/MutableFlagContainer.swift /host/spi-builder-workspace/Sources/Vexil/Snapshots/Snapshot+Extensions.swift /host/spi-builder-workspace/Sources/Vexil/Snapshots/Snapshot+FlagValueSource.swift /host/spi-builder-workspace/Sources/Vexil/Snapshots/Snapshot+Lookup.swift /host/spi-builder-workspace/Sources/Vexil/Snapshots/Snapshot.swift /host/spi-builder-workspace/Sources/Vexil/Snapshots/SnapshotBuilder.swift /host/spi-builder-workspace/Sources/Vexil/Sources/BoxedFlagValue+NSObject.swift /host/spi-builder-workspace/Sources/Vexil/Sources/FlagValueDictionary+FlagValueSource.swift /host/spi-builder-workspace/Sources/Vexil/Sources/FlagValueDictionary.swift /host/spi-builder-workspace/Sources/Vexil/Sources/FlagValueSource.swift /host/spi-builder-workspace/Sources/Vexil/Sources/FlagValueSourceCoordinator.swift /host/spi-builder-workspace/Sources/Vexil/Sources/NSUbiquitousKeyValueStore+FlagValueSource.swift /host/spi-builder-workspace/Sources/Vexil/Sources/NonSendableFlagValueSource.swift /host/spi-builder-workspace/Sources/Vexil/Sources/UserDefaults+FlagValueSource.swift /host/spi-builder-workspace/Sources/Vexil/StreamManager.swift /host/spi-builder-workspace/Sources/Vexil/Utilities/AsyncCurrentValue.swift /host/spi-builder-workspace/Sources/Vexil/Utilities/BoxedFlagValue+Codable.swift /host/spi-builder-workspace/Sources/Vexil/Utilities/CollectionDifference.Change+Element.swift /host/spi-builder-workspace/Sources/Vexil/Utilities/FlagChangeStream.swift /host/spi-builder-workspace/Sources/Vexil/Utilities/Lock.swift /host/spi-builder-workspace/Sources/Vexil/Value.swift -primary-file /host/spi-builder-workspace/Sources/Vexil/Visitor.swift -primary-file /host/spi-builder-workspace/Sources/Vexil/Visitors/FlagDescriber.swift -primary-file /host/spi-builder-workspace/Sources/Vexil/Visitors/FlagRemover.swift -primary-file /host/spi-builder-workspace/Sources/Vexil/Visitors/FlagSetter.swift -supplementary-output-file-map /host/spi-builder-workspace/.build/out/Intermediates.noindex/Vexil.build/Debug-webassembly-wasm32/Vexil-t.build/Objects-normal/wasm32/supplementaryOutputs-61 -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 -load-plugin-executable /host/spi-builder-workspace/.build/out/Products/Debug-linux-x86_64/VexilMacros\#VexilMacros -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/Vexil.build/Debug-webassembly-wasm32/Vexil-t.build/DerivedSources-normal/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/Vexil.build/Debug-webassembly-wasm32/Vexil-t.build/DerivedSources/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/Vexil.build/Debug-webassembly-wasm32/Vexil-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name Vexil -package-name spi_builder_workspace -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/Vexil.build/Debug-webassembly-wasm32/Vexil-t.build/Objects-normal/wasm32/Vexil_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/Vexil.build/Debug-webassembly-wasm32/Vexil-t.build/Objects-normal/wasm32/Visitor.o -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/Vexil.build/Debug-webassembly-wasm32/Vexil-t.build/Objects-normal/wasm32/FlagDescriber.o -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/Vexil.build/Debug-webassembly-wasm32/Vexil-t.build/Objects-normal/wasm32/FlagRemover.o -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/Vexil.build/Debug-webassembly-wasm32/Vexil-t.build/Objects-normal/wasm32/FlagSetter.o -index-unit-output-path /Vexil.build/Debug-webassembly-wasm32/Vexil-t.build/Objects-normal/wasm32/Visitor.o -index-unit-output-path /Vexil.build/Debug-webassembly-wasm32/Vexil-t.build/Objects-normal/wasm32/FlagDescriber.o -index-unit-output-path /Vexil.build/Debug-webassembly-wasm32/Vexil-t.build/Objects-normal/wasm32/FlagRemover.o -index-unit-output-path /Vexil.build/Debug-webassembly-wasm32/Vexil-t.build/Objects-normal/wasm32/FlagSetter.o -index-store-path /host/spi-builder-workspace/.build/out -index-system-modules
error: Build failed
BUILD FAILURE 6.4 wasm