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Build Information

Failed to build swift-event-broadcasting, reference 1.1.0 (2fc17a), with Swift 6.4 for Wasm on 23 Sep 2026 13:49:19 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/antonsynd/swift-event-broadcasting.git
Reference: 1.1.0
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/antonsynd/swift-event-broadcasting
 * tag               1.1.0      -> FETCH_HEAD
HEAD is now at 2fc17aa Merge pull request #2 from antonsynd/copilot/debug-build-failure
Cloned https://github.com/antonsynd/swift-event-broadcasting.git
Revision (git rev-parse @):
2fc17aab483130e0a70646ab163b9405f862a2d0
SUCCESS checkout https://github.com/antonsynd/swift-event-broadcasting.git at 1.1.0
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/antonsynd/swift-event-broadcasting.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344843-0":/host -w "$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/apple/swift-collections
[1/27693] Fetching swift-collections
Fetched https://github.com/apple/swift-collections (1.33s)
Computing version for https://github.com/apple/swift-collections
Computed https://github.com/apple/swift-collections at 1.7.0 (1.64s)
Creating working copy for https://github.com/apple/swift-collections
Working copy of https://github.com/apple/swift-collections resolved at 1.7.0
Building for debugging...
[Computing dependencies]
[Pre-planning 1 / 328]
[Planning deferred tasks]
[63 / 134] InternalCollectionsUtilities
[72 / 143] InternalCollectionsUtilities
[88 / 160] _RopeModule
[99 / 181] OrderedCollections
[101 / 199] HashTreeCollections
[102 / 199] HeapModule
[104 / 199] HeapModule
[109 / 199] _RopeModule
[115 / 199] _RopeModule
[115 / 199] SpanPreview
[124 / 199] SpanPreview
[127 / 199] OrderedCollections
[131 / 199] OrderedCollections
[133 / 199] OrderedCollections
[136 / 199] InternalCollectionsUtilities
[140 / 199] InternalCollectionsUtilities
[142 / 199] HeapModule
[151 / 199] HashTreeCollections
[152 / 199] HashTreeCollections
[156 / 200] HeapModule
[161 / 201] HashTreeCollections
[163 / 202] OrderedCollections
[165 / 202] OrderedCollections
[168 / 202] BitCollections
[170 / 202] BitCollections
[171 / 202] BitCollections
[172 / 202]
[175 / 212] DequeModule
[177 / 212] DequeModule
[178 / 212] DequeModule
[181 / 213] HashTreeCollections
[185 / 214] BitCollections
[191 / 214] BitCollections
[192 / 214] DequeModule
[192 / 215] DequeModule
error: SwiftCompile normal wasm32 failed with a nonzero exit code. Command line:     cd /host

/host/spi-builder-workspace/Sources/Events/DispatchQueueEventDispatcher.swift:12:28: error: cannot find 'DispatchQueue' in scope
10 | /// Dispatches events via a single dispatch queue.
11 | final public class DispatchQueueEventDispatcher: EventDispatching {
12 |   private let eventQueue = DispatchQueue.global()
   |                            `- error: cannot find 'DispatchQueue' in scope
13 |   private static var instance: DispatchQueueEventDispatcher?
14 |
Failed frontend command:
/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /host/spi-builder-workspace/Sources/Events/DispatchQueueEventDispatcher.swift /host/spi-builder-workspace/Sources/Events/Event.swift /host/spi-builder-workspace/Sources/Events/EventBroadcaster+Async.swift /host/spi-builder-workspace/Sources/Events/EventBroadcaster+Combine.swift /host/spi-builder-workspace/Sources/Events/EventBroadcaster+Convenience.swift /host/spi-builder-workspace/Sources/Events/EventBroadcaster+Debugging.swift /host/spi-builder-workspace/Sources/Events/EventBroadcaster.swift /host/spi-builder-workspace/Sources/Events/EventDispatcher.swift /host/spi-builder-workspace/Sources/Events/EventSubscribers.swift /host/spi-builder-workspace/Sources/Events/ObjectSubscribers.swift /host/spi-builder-workspace/Sources/Events/TypedEvent.swift -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/swift-event-broadcasting.build/Debug-webassembly-wasm32/Events-t.build/DerivedSources-normal/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-event-broadcasting.build/Debug-webassembly-wasm32/Events-t.build/DerivedSources/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-event-broadcasting.build/Debug-webassembly-wasm32/Events-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name Events -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-event-broadcasting.build/Debug-webassembly-wasm32/Events-t.build/Objects-normal/wasm32/Events_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 -emit-module-doc-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-event-broadcasting.build/Debug-webassembly-wasm32/Events-t.build/Objects-normal/wasm32/Modules/Events.swiftdoc -emit-module-source-info-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-event-broadcasting.build/Debug-webassembly-wasm32/Events-t.build/Objects-normal/wasm32/Modules/Events.swiftsourceinfo -emit-objc-header-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-event-broadcasting.build/Debug-webassembly-wasm32/Events-t.build/Objects-normal/wasm32/Events-Swift.h -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-event-broadcasting.build/Debug-webassembly-wasm32/Events-t.build/Objects-normal/wasm32/Events-primary-emit-module.dia -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-event-broadcasting.build/Debug-webassembly-wasm32/Events-t.build/Objects-normal/wasm32/Events-primary-emit-module.d -parse-as-library -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-event-broadcasting.build/Debug-webassembly-wasm32/Events-t.build/Objects-normal/wasm32/Modules/Events.swiftmodule
error: Build failed
BUILD FAILURE 6.4 wasm