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Build Information

Failed to build ReactiveEmitter, reference 0.2.9 (eb544c), with Swift 6.4 for Wasm on 16 Sep 2026 06:17:45 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-54344844-0":/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/omochi/reactiveemitter.git
Reference: 0.2.9
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/omochi/reactiveemitter
 * tag               0.2.9      -> FETCH_HEAD
HEAD is now at eb544ca ArrayProperty EditEvent
Cloned https://github.com/omochi/reactiveemitter.git
Revision (git rev-parse @):
eb544cab3cbca07f6293a202aa19bffba1d0d4fd
SUCCESS checkout https://github.com/omochi/reactiveemitter.git at 0.2.9
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/omochi/reactiveemitter.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344844-0":/host -w "$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
Building for debugging...
[Planning deferred tasks]
error: SwiftCompile normal wasm32 failed with a nonzero exit code. Command line:     cd /host

/host/spi-builder-workspace/Sources/ReactiveEmitter/Disposer/CompositeDisposer.swift:56:24: error: cannot find type 'DispatchQueue' in scope
54 |     private var disposed: Bool = false
55 |     private var disposers: Disposers = .init()
56 |     private let queue: DispatchQueue
   |                        `- error: cannot find type 'DispatchQueue' in scope
57 | }
58 |
/host/spi-builder-workspace/Sources/ReactiveEmitter/EventSource/EventEmitter.swift:54:24: warning: generic parameter 'Event' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
 1 | import Foundation
 2 |
 3 | public class EventEmitter<Event> : EventSourceProtocol, EventSinkConvertible {
   |                           `- note: 'Event' previously declared here
 4 |     public init() {
 5 |         syncQueue = DispatchQueue.init(label: "\(type(of: self)).syncQueue")
   :
52 |     }
53 |
54 |     private class Sink<Event> : EventSinkProtocol {
   |                        `- warning: generic parameter 'Event' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
55 |         public init(_ base: EventEmitter<Event>) {
56 |             self.emitter = base
/host/spi-builder-workspace/Sources/ReactiveEmitter/EventSource/EventEmitter.swift:73:28: error: cannot find type 'DispatchQueue' in scope
71 |
72 |     private var handlers: Handlers = .init()
73 |     private let syncQueue: DispatchQueue
   |                            `- error: cannot find type 'DispatchQueue' in scope
74 | }
75 |
/host/spi-builder-workspace/Sources/ReactiveEmitter/Operator/ObserveOn.swift:4:34: error: cannot find type 'DispatchQueue' in scope
 2 |
 3 | extension EventSourceProtocol {
 4 |     public func observeOn(queue: DispatchQueue) -> EventSource<Event> {
   |                                  `- error: cannot find type 'DispatchQueue' in scope
 5 |         return EventSourceObserveOn(source: self, observeQueue: queue).asEventSource()
 6 |     }
/host/spi-builder-workspace/Sources/ReactiveEmitter/Operator/ObserveOn.swift:12:48: error: cannot find type 'DispatchQueue' in scope
10 |     public typealias T = TSource.Event
11 |
12 |     public init(source: TSource, observeQueue: DispatchQueue) {
   |                                                `- error: cannot find type 'DispatchQueue' in scope
13 |         self.source = source
14 |         self.observeQueue = observeQueue
/host/spi-builder-workspace/Sources/ReactiveEmitter/Operator/ObserveOn.swift:24:31: error: cannot find type 'DispatchQueue' in scope
22 |
23 |     private let source: TSource
24 |     private let observeQueue: DispatchQueue
   |                               `- error: cannot find type 'DispatchQueue' in scope
25 |
26 |     private class Sink : EventSinkProtocol {
/host/spi-builder-workspace/Sources/ReactiveEmitter/Operator/ObserveOn.swift:27:35: error: cannot find type 'DispatchQueue' in scope
25 |
26 |     private class Sink : EventSinkProtocol {
27 |         public init(observeQueue: DispatchQueue,
   |                                   `- error: cannot find type 'DispatchQueue' in scope
28 |                     handler: @escaping (T) -> Void)
29 |         {
/host/spi-builder-workspace/Sources/ReactiveEmitter/Operator/ObserveOn.swift:55:35: error: cannot find type 'DispatchQueue' in scope
53 |         }
54 |
55 |         private let observeQueue: DispatchQueue
   |                                   `- error: cannot find type 'DispatchQueue' in scope
56 |         private let handler: (T) -> Void
57 |
/host/spi-builder-workspace/Sources/ReactiveEmitter/Operator/ObserveOn.swift:58:32: error: cannot find type 'DispatchQueue' in scope
56 |         private let handler: (T) -> Void
57 |
58 |         private let syncQueue: DispatchQueue
   |                                `- error: cannot find type 'DispatchQueue' in scope
59 |         private var disposed: Bool = false
60 |     }
Failed frontend command:
/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /host/spi-builder-workspace/Sources/ReactiveEmitter/Disposer/CompositeDisposer.swift /host/spi-builder-workspace/Sources/ReactiveEmitter/Disposer/DisposerBag.swift /host/spi-builder-workspace/Sources/ReactiveEmitter/Disposer/FuncDisposer.swift /host/spi-builder-workspace/Sources/ReactiveEmitter/Disposer/NopDisposer.swift /host/spi-builder-workspace/Sources/ReactiveEmitter/EventSource/ArrayProperty.swift /host/spi-builder-workspace/Sources/ReactiveEmitter/EventSource/EventEmitter.swift /host/spi-builder-workspace/Sources/ReactiveEmitter/EventSource/LateInitProperty.swift /host/spi-builder-workspace/Sources/ReactiveEmitter/EventSource/Property.swift /host/spi-builder-workspace/Sources/ReactiveEmitter/EventSource/WeakProperty.swift /host/spi-builder-workspace/Sources/ReactiveEmitter/Operator/Bind.swift /host/spi-builder-workspace/Sources/ReactiveEmitter/Operator/Combine.swift /host/spi-builder-workspace/Sources/ReactiveEmitter/Operator/Debug.swift /host/spi-builder-workspace/Sources/ReactiveEmitter/Operator/FlatMapLatest.swift /host/spi-builder-workspace/Sources/ReactiveEmitter/Operator/Map.swift /host/spi-builder-workspace/Sources/ReactiveEmitter/Operator/Merge.swift /host/spi-builder-workspace/Sources/ReactiveEmitter/Operator/Never.swift /host/spi-builder-workspace/Sources/ReactiveEmitter/Operator/ObserveOn.swift /host/spi-builder-workspace/Sources/ReactiveEmitter/Operator/Sequence.swift /host/spi-builder-workspace/Sources/ReactiveEmitter/Operator/SubscribeOnce.swift /host/spi-builder-workspace/Sources/ReactiveEmitter/Operator/ValueOf.swift /host/spi-builder-workspace/Sources/ReactiveEmitter/Operator/ZipArray.swift /host/spi-builder-workspace/Sources/ReactiveEmitter/Type/Disposer.swift /host/spi-builder-workspace/Sources/ReactiveEmitter/Type/DisposerProtocol.swift /host/spi-builder-workspace/Sources/ReactiveEmitter/Type/EventSink.swift /host/spi-builder-workspace/Sources/ReactiveEmitter/Type/EventSource.swift /host/spi-builder-workspace/Sources/ReactiveEmitter/Type/RangeReplaceableCollectionClass.swift /host/spi-builder-workspace/Sources/ReactiveEmitter/Util/Box.swift /host/spi-builder-workspace/Sources/ReactiveEmitter/Util/LinkedList.swift /host/spi-builder-workspace/Sources/ReactiveEmitter/Util/WeakBox.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 4 -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/ReactiveEmitter.build/Debug-webassembly-wasm32/ReactiveEmitter-t.build/DerivedSources-normal/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/ReactiveEmitter.build/Debug-webassembly-wasm32/ReactiveEmitter-t.build/DerivedSources/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/ReactiveEmitter.build/Debug-webassembly-wasm32/ReactiveEmitter-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name ReactiveEmitter -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/ReactiveEmitter.build/Debug-webassembly-wasm32/ReactiveEmitter-t.build/Objects-normal/wasm32/ReactiveEmitter_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/ReactiveEmitter.build/Debug-webassembly-wasm32/ReactiveEmitter-t.build/Objects-normal/wasm32/Modules/ReactiveEmitter.swiftdoc -emit-module-source-info-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/ReactiveEmitter.build/Debug-webassembly-wasm32/ReactiveEmitter-t.build/Objects-normal/wasm32/Modules/ReactiveEmitter.swiftsourceinfo -emit-objc-header-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/ReactiveEmitter.build/Debug-webassembly-wasm32/ReactiveEmitter-t.build/Objects-normal/wasm32/ReactiveEmitter-Swift.h -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/ReactiveEmitter.build/Debug-webassembly-wasm32/ReactiveEmitter-t.build/Objects-normal/wasm32/ReactiveEmitter-primary-emit-module.dia -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/ReactiveEmitter.build/Debug-webassembly-wasm32/ReactiveEmitter-t.build/Objects-normal/wasm32/ReactiveEmitter-primary-emit-module.d -parse-as-library -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/ReactiveEmitter.build/Debug-webassembly-wasm32/ReactiveEmitter-t.build/Objects-normal/wasm32/Modules/ReactiveEmitter.swiftmodule
error: Build failed
BUILD FAILURE 6.4 wasm