Swift Package Index

Build Information

Failed to build Stream, reference master (36eb90), with Swift 6.4 for Wasm on 15 Sep 2026 21:20:37 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-54344845-0":/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/cgarciae/stream.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/cgarciae/stream
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 36eb909 slightly update readme
Cloned https://github.com/cgarciae/stream.git
Revision (git rev-parse @):
36eb90967408dcb96a5283cc00b78e62f04a1b11
SUCCESS checkout https://github.com/cgarciae/stream.git at master
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/cgarciae/stream.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344845-0":/host -w "$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

[25 / 33] Stream
/host/spi-builder-workspace/Sources/Stream/Lock.swift:4:29: error: cannot find 'DispatchSemaphore' in scope
 2 |
 3 | public struct Lock {
 4 |     private var semaphore = DispatchSemaphore(value: 1)
   |                             `- error: cannot find 'DispatchSemaphore' in scope
 5 |
 6 |     public func aquire(_ block: () throws -> Void) rethrows {
/host/spi-builder-workspace/Sources/Stream/OrderedStream.swift:103:19: error: cannot find type 'DispatchQueue' in scope
101 |         maxTasks: Int = CPU_COUNT,
102 |         queueMax: Int? = nil,
103 |         dispatch: DispatchQueue? = nil,
    |                   `- error: cannot find type 'DispatchQueue' in scope
104 |         f: @escaping (ConcurrentQueue<Index<B>?>, Int, Element) throws -> Void
105 |     ) -> OrderedStream<B> {
/host/spi-builder-workspace/Sources/Stream/OrderedStream.swift:165:19: error: cannot find type 'DispatchQueue' in scope
163 |         maxTasks: Int = CPU_COUNT,
164 |         queueMax: Int? = nil,
165 |         dispatch: DispatchQueue? = nil,
    |                   `- error: cannot find type 'DispatchQueue' in scope
166 |         f: @escaping (Element) throws -> B
167 |     ) -> OrderedStream<B> {
/host/spi-builder-workspace/Sources/Stream/OrderedStream.swift:184:19: error: cannot find type 'DispatchQueue' in scope
182 |         maxTasks: Int = CPU_COUNT,
183 |         queueMax: Int? = nil,
184 |         dispatch: DispatchQueue? = nil,
    |                   `- error: cannot find type 'DispatchQueue' in scope
185 |         f: @escaping (Element) throws -> S
186 |     ) -> OrderedStream<B> where S.Element == B {
/host/spi-builder-workspace/Sources/Stream/OrderedStream.swift:210:19: error: cannot find type 'DispatchQueue' in scope
208 |         maxTasks: Int = CPU_COUNT,
209 |         queueMax: Int? = nil,
210 |         dispatch: DispatchQueue? = nil,
    |                   `- error: cannot find type 'DispatchQueue' in scope
211 |         f: @escaping (Element) throws -> Bool
212 |     ) -> OrderedStream<Element> {
/host/spi-builder-workspace/Sources/Stream/OrderedStream.swift:234:19: error: cannot find type 'DispatchQueue' in scope
232 |         maxTasks: Int = CPU_COUNT,
233 |         queueMax: Int? = nil,
234 |         dispatch: DispatchQueue? = nil,
    |                   `- error: cannot find type 'DispatchQueue' in scope
235 |         f: @escaping (Element) throws -> Void
236 |     ) {
/host/spi-builder-workspace/Sources/Stream/Stream.swift:33:19: error: cannot find type 'DispatchQueue' in scope
 31 |         maxTasks: Int = CPU_COUNT,
 32 |         queueMax: Int? = nil,
 33 |         dispatch: DispatchQueue? = nil,
    |                   `- error: cannot find type 'DispatchQueue' in scope
 34 |         f: @escaping (ConcurrentQueue<B?>, Element) throws -> Void
 35 |     ) -> Stream<B> {
/host/spi-builder-workspace/Sources/Stream/Stream.swift:77:19: error: cannot find type 'DispatchQueue' in scope
 75 |         maxTasks: Int = CPU_COUNT,
 76 |         queueMax: Int? = nil,
 77 |         dispatch: DispatchQueue? = nil,
    |                   `- error: cannot find type 'DispatchQueue' in scope
 78 |         f: @escaping (Element) throws -> B
 79 |     ) -> Stream<B> {
/host/spi-builder-workspace/Sources/Stream/Stream.swift:92:19: error: cannot find type 'DispatchQueue' in scope
 90 |         maxTasks: Int = CPU_COUNT,
 91 |         queueMax: Int? = nil,
 92 |         dispatch: DispatchQueue? = nil,
    |                   `- error: cannot find type 'DispatchQueue' in scope
 93 |         f: @escaping (Element) throws -> S
 94 |     ) -> Stream<B> where S.Element == B {
/host/spi-builder-workspace/Sources/Stream/Stream.swift:109:19: error: cannot find type 'DispatchQueue' in scope
107 |         maxTasks: Int = CPU_COUNT,
108 |         queueMax: Int? = nil,
109 |         dispatch: DispatchQueue? = nil,
    |                   `- error: cannot find type 'DispatchQueue' in scope
110 |         f: @escaping (Element) throws -> Bool
111 |     ) -> Stream<Element> {
/host/spi-builder-workspace/Sources/Stream/Stream.swift:122:19: error: cannot find type 'DispatchQueue' in scope
120 |         maxTasks: Int = CPU_COUNT,
121 |         queueMax: Int? = nil,
122 |         dispatch: DispatchQueue? = nil,
    |                   `- error: cannot find type 'DispatchQueue' in scope
123 |         f: @escaping (Element) throws -> Void
124 |     ) {
/host/spi-builder-workspace/Sources/Stream/Utils.swift:3:23: error: cannot find 'DispatchQueue' in scope
1 | import Foundation
2 |
3 | public let DISPATCH = DispatchQueue(label: "Stream", attributes: .concurrent)
  |                       `- error: cannot find 'DispatchQueue' in scope
4 | public let CPU_COUNT = ProcessInfo.processInfo.activeProcessorCount
Failed frontend command:
/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /host/spi-builder-workspace/Sources/Stream/ConcurrentQueue.swift /host/spi-builder-workspace/Sources/Stream/Lock.swift /host/spi-builder-workspace/Sources/Stream/OrderedStream.swift /host/spi-builder-workspace/Sources/Stream/Queue.swift /host/spi-builder-workspace/Sources/Stream/Stream.swift /host/spi-builder-workspace/Sources/Stream/Utils.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/Stream.build/Debug-webassembly-wasm32/Stream-t.build/DerivedSources-normal/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/Stream.build/Debug-webassembly-wasm32/Stream-t.build/DerivedSources/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/Stream.build/Debug-webassembly-wasm32/Stream-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name Stream -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/Stream.build/Debug-webassembly-wasm32/Stream-t.build/Objects-normal/wasm32/Stream_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/Stream.build/Debug-webassembly-wasm32/Stream-t.build/Objects-normal/wasm32/Modules/Stream.swiftdoc -emit-module-source-info-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Stream.build/Debug-webassembly-wasm32/Stream-t.build/Objects-normal/wasm32/Modules/Stream.swiftsourceinfo -emit-objc-header-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Stream.build/Debug-webassembly-wasm32/Stream-t.build/Objects-normal/wasm32/Stream-Swift.h -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Stream.build/Debug-webassembly-wasm32/Stream-t.build/Objects-normal/wasm32/Stream-primary-emit-module.dia -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Stream.build/Debug-webassembly-wasm32/Stream-t.build/Objects-normal/wasm32/Stream-primary-emit-module.d -parse-as-library -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/Stream.build/Debug-webassembly-wasm32/Stream-t.build/Objects-normal/wasm32/Modules/Stream.swiftmodule
error: Build failed
BUILD FAILURE 6.4 wasm