Swift Package IndexBuild Information
Failed to build Concurrency, reference 0.3.1 (8e1178), with Swift 6.4 for Wasm on 23 Sep 2026 15:20:03 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-53886770-0":/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>&1Build Log
========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/space-code/concurrency.git
Reference: 0.3.1
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/space-code/concurrency
* tag 0.3.1 -> FETCH_HEAD
HEAD is now at 8e1178a [Release] Concurrency 0.3.1
Cloned https://github.com/space-code/concurrency.git
Revision (git rev-parse @):
8e1178aa7b052b7bef6fb3dba18b3b021721ac73
SUCCESS checkout https://github.com/space-code/concurrency.git at 0.3.1
========================================
Build
========================================
Selected platform: wasm
Swift version: 6.4
Building package at path: $PWD
https://github.com/space-code/concurrency.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-53886770-0":/host -w "$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...
[Pre-planning 1 / 124]
[18 / 39] TestConcurrency-product
error: SwiftCompile normal wasm32 failed with a nonzero exit code. Command line: cd /host
/host/spi-builder-workspace/Sources/Concurrency/DispatchQueue/DispatchQueue+IDispatchQueue.swift:8:11: [1;31merror: [1;39mcannot find type 'DispatchQueue' in scope[0;0m
[0;36m6 |[0;0m import Foundation
[0;36m7 |[0;0m
[0;36m8 |[0;0m extension [4;39mDispatchQueue[0;0m: IDispatchQueue {
[0;36m|[0;0m `- [1;31merror: [1;39mcannot find type 'DispatchQueue' in scope[0;0m
[0;36m9 |[0;0m #if swift(>=5.9)
[0;36m10 |[0;0m public func async(
/host/spi-builder-workspace/Sources/Concurrency/DispatchQueue/IDispatchQueue.swift:30:23: [1;31merror: [1;39mcannot find type 'DispatchTime' in scope[0;0m
[0;36m28 |[0;0m #if swift(>=5.9)
[0;36m29 |[0;0m func asyncAfter(
[0;36m30 |[0;0m deadline: [4;39mDispatchTime[0;0m,
[0;36m|[0;0m `- [1;31merror: [1;39mcannot find type 'DispatchTime' in scope[0;0m
[0;36m31 |[0;0m qos: DispatchQoS,
[0;36m32 |[0;0m flags: DispatchWorkItemFlags,
/host/spi-builder-workspace/Sources/Concurrency/DispatchQueue/IDispatchQueue.swift:31:18: [1;31merror: [1;39mcannot find type 'DispatchQoS' in scope[0;0m
[0;36m29 |[0;0m func asyncAfter(
[0;36m30 |[0;0m deadline: DispatchTime,
[0;36m31 |[0;0m qos: [4;39mDispatchQoS[0;0m,
[0;36m|[0;0m `- [1;31merror: [1;39mcannot find type 'DispatchQoS' in scope[0;0m
[0;36m32 |[0;0m flags: DispatchWorkItemFlags,
[0;36m33 |[0;0m execute work: @escaping @Sendable @convention(block) () -> Void
/host/spi-builder-workspace/Sources/Concurrency/DispatchQueue/IDispatchQueue.swift:32:20: [1;31merror: [1;39mcannot find type 'DispatchWorkItemFlags' in scope[0;0m
[0;36m30 |[0;0m deadline: DispatchTime,
[0;36m31 |[0;0m qos: DispatchQoS,
[0;36m32 |[0;0m flags: [4;39mDispatchWorkItemFlags[0;0m,
[0;36m|[0;0m `- [1;31merror: [1;39mcannot find type 'DispatchWorkItemFlags' in scope[0;0m
[0;36m33 |[0;0m execute work: @escaping @Sendable @convention(block) () -> Void
[0;36m34 |[0;0m )
/host/spi-builder-workspace/Sources/Concurrency/DispatchQueue/IDispatchQueue.swift:60:18: [1;31merror: [1;39mcannot find type 'DispatchQoS' in scope[0;0m
[0;36m58 |[0;0m #if swift(>=5.9)
[0;36m59 |[0;0m func async(
[0;36m60 |[0;0m qos: [4;39mDispatchQoS[0;0m,
[0;36m|[0;0m `- [1;31merror: [1;39mcannot find type 'DispatchQoS' in scope[0;0m
[0;36m61 |[0;0m flags: DispatchWorkItemFlags,
[0;36m62 |[0;0m execute work: @escaping @Sendable @convention(block) () -> Void
/host/spi-builder-workspace/Sources/Concurrency/DispatchQueue/IDispatchQueue.swift:61:20: [1;31merror: [1;39mcannot find type 'DispatchWorkItemFlags' in scope[0;0m
[0;36m59 |[0;0m func async(
[0;36m60 |[0;0m qos: DispatchQoS,
[0;36m61 |[0;0m flags: [4;39mDispatchWorkItemFlags[0;0m,
[0;36m|[0;0m `- [1;31merror: [1;39mcannot find type 'DispatchWorkItemFlags' in scope[0;0m
[0;36m62 |[0;0m execute work: @escaping @Sendable @convention(block) () -> Void
[0;36m63 |[0;0m )
/host/spi-builder-workspace/Sources/Concurrency/DispatchQueue/IDispatchQueue.swift:99:34: [1;31merror: [1;39mcannot find type 'DispatchWorkItem' in scope[0;0m
[0;36m97 |[0;0m /// - Parameter execute: The work item containing the task to execute.
[0;36m98 |[0;0m /// For information on how to create this work item.
[0;36m99 |[0;0m func async(execute workItem: [4;39mDispatchWorkItem[0;0m)
[0;36m|[0;0m `- [1;31merror: [1;39mcannot find type 'DispatchWorkItem' in scope[0;0m
[0;36m100 |[0;0m
[0;36m101 |[0;0m /// Submits a block for synchronous execution on this queue.
/host/spi-builder-workspace/Sources/Concurrency/DispatchQueue/IDispatchQueue.swift:104:33: [1;31merror: [1;39mcannot find type 'DispatchWorkItem' in scope[0;0m
[0;36m102 |[0;0m ///
[0;36m103 |[0;0m /// - Parameter workItem: The work item to be invoked on the queue.
[0;36m104 |[0;0m func sync(execute workItem: [4;39mDispatchWorkItem[0;0m)
[0;36m|[0;0m `- [1;31merror: [1;39mcannot find type 'DispatchWorkItem' in scope[0;0m
[0;36m105 |[0;0m
[0;36m106 |[0;0m ///
/host/spi-builder-workspace/Sources/Concurrency/DispatchQueue/IDispatchQueue.swift:116:31: [1;31merror: [1;39mcannot find type 'DispatchTime' in scope[0;0m
[0;36m114 |[0;0m /// - SeeAlso: `DispatchTime`
[0;36m115 |[0;0m ///
[0;36m116 |[0;0m func asyncAfter(deadline: [4;39mDispatchTime[0;0m, execute: DispatchWorkItem)
[0;36m|[0;0m `- [1;31merror: [1;39mcannot find type 'DispatchTime' in scope[0;0m
[0;36m117 |[0;0m }
[0;36m118 |[0;0m
/host/spi-builder-workspace/Sources/Concurrency/DispatchQueue/IDispatchQueue.swift:116:54: [1;31merror: [1;39mcannot find type 'DispatchWorkItem' in scope[0;0m
[0;36m114 |[0;0m /// - SeeAlso: `DispatchTime`
[0;36m115 |[0;0m ///
[0;36m116 |[0;0m func asyncAfter(deadline: DispatchTime, execute: [4;39mDispatchWorkItem[0;0m)
[0;36m|[0;0m `- [1;31merror: [1;39mcannot find type 'DispatchWorkItem' in scope[0;0m
[0;36m117 |[0;0m }
[0;36m118 |[0;0m
/host/spi-builder-workspace/Sources/Concurrency/DispatchQueue/IDispatchQueue.swift:122:23: [1;31merror: [1;39mcannot find type 'DispatchTime' in scope[0;0m
[0;36m120 |[0;0m #if swift(>=5.9)
[0;36m121 |[0;0m func asyncAfter(
[0;36m122 |[0;0m deadline: [4;39mDispatchTime[0;0m,
[0;36m|[0;0m `- [1;31merror: [1;39mcannot find type 'DispatchTime' in scope[0;0m
[0;36m123 |[0;0m qos: DispatchQoS = .unspecified,
[0;36m124 |[0;0m flags: DispatchWorkItemFlags = [],
/host/spi-builder-workspace/Sources/Concurrency/DispatchQueue/IDispatchQueue.swift:123:18: [1;31merror: [1;39mcannot find type 'DispatchQoS' in scope[0;0m
[0;36m121 |[0;0m func asyncAfter(
[0;36m122 |[0;0m deadline: DispatchTime,
[0;36m123 |[0;0m qos: [4;39mDispatchQoS[0;0m = .unspecified,
[0;36m|[0;0m `- [1;31merror: [1;39mcannot find type 'DispatchQoS' in scope[0;0m
[0;36m124 |[0;0m flags: DispatchWorkItemFlags = [],
[0;36m125 |[0;0m execute work: @escaping @Sendable @convention(block) () -> Void
/host/spi-builder-workspace/Sources/Concurrency/DispatchQueue/IDispatchQueue.swift:124:20: [1;31merror: [1;39mcannot find type 'DispatchWorkItemFlags' in scope[0;0m
[0;36m122 |[0;0m deadline: DispatchTime,
[0;36m123 |[0;0m qos: DispatchQoS = .unspecified,
[0;36m124 |[0;0m flags: [4;39mDispatchWorkItemFlags[0;0m = [],
[0;36m|[0;0m `- [1;31merror: [1;39mcannot find type 'DispatchWorkItemFlags' in scope[0;0m
[0;36m125 |[0;0m execute work: @escaping @Sendable @convention(block) () -> Void
[0;36m126 |[0;0m ) {
/host/spi-builder-workspace/Sources/Concurrency/DispatchQueueFactory/DispatchQueueFactory.swift:19:29: [1;31merror: [1;39mcannot find type 'DispatchQoS' in scope[0;0m
[0;36m17 |[0;0m }
[0;36m18 |[0;0m
[0;36m19 |[0;0m public func global(qos: [4;39mDispatchQoS[0;0m.QoSClass) -> IDispatchQueue {
[0;36m|[0;0m `- [1;31merror: [1;39mcannot find type 'DispatchQoS' in scope[0;0m
[0;36m20 |[0;0m DispatchQueue.global(qos: qos)
[0;36m21 |[0;0m }
/host/spi-builder-workspace/Sources/Concurrency/DispatchQueueFactory/DispatchQueueFactory.swift:25:14: [1;31merror: [1;39mcannot find type 'DispatchQoS' in scope[0;0m
[0;36m23 |[0;0m public func privateQueue(
[0;36m24 |[0;0m label: String,
[0;36m25 |[0;0m qos: [4;39mDispatchQoS[0;0m,
[0;36m|[0;0m `- [1;31merror: [1;39mcannot find type 'DispatchQoS' in scope[0;0m
[0;36m26 |[0;0m attributes: DispatchQueue.Attributes,
[0;36m27 |[0;0m autoreleaseFrequency: DispatchQueue.AutoreleaseFrequency,
/host/spi-builder-workspace/Sources/Concurrency/DispatchQueueFactory/DispatchQueueFactory.swift:26:21: [1;31merror: [1;39mcannot find type 'DispatchQueue' in scope[0;0m
[0;36m24 |[0;0m label: String,
[0;36m25 |[0;0m qos: DispatchQoS,
[0;36m26 |[0;0m attributes: [4;39mDispatchQueue[0;0m.Attributes,
[0;36m|[0;0m `- [1;31merror: [1;39mcannot find type 'DispatchQueue' in scope[0;0m
[0;36m27 |[0;0m autoreleaseFrequency: DispatchQueue.AutoreleaseFrequency,
[0;36m28 |[0;0m target: DispatchQueue?
/host/spi-builder-workspace/Sources/Concurrency/DispatchQueueFactory/DispatchQueueFactory.swift:27:31: [1;31merror: [1;39mcannot find type 'DispatchQueue' in scope[0;0m
[0;36m25 |[0;0m qos: DispatchQoS,
[0;36m26 |[0;0m attributes: DispatchQueue.Attributes,
[0;36m27 |[0;0m autoreleaseFrequency: [4;39mDispatchQueue[0;0m.AutoreleaseFrequency,
[0;36m|[0;0m `- [1;31merror: [1;39mcannot find type 'DispatchQueue' in scope[0;0m
[0;36m28 |[0;0m target: DispatchQueue?
[0;36m29 |[0;0m ) -> IDispatchQueue {
/host/spi-builder-workspace/Sources/Concurrency/DispatchQueueFactory/DispatchQueueFactory.swift:28:17: [1;31merror: [1;39mcannot find type 'DispatchQueue' in scope[0;0m
[0;36m26 |[0;0m attributes: DispatchQueue.Attributes,
[0;36m27 |[0;0m autoreleaseFrequency: DispatchQueue.AutoreleaseFrequency,
[0;36m28 |[0;0m target: [4;39mDispatchQueue[0;0m?
[0;36m|[0;0m `- [1;31merror: [1;39mcannot find type 'DispatchQueue' in scope[0;0m
[0;36m29 |[0;0m ) -> IDispatchQueue {
[0;36m30 |[0;0m DispatchQueue(label: label, qos: qos, attributes: attributes, autoreleaseFrequency: autoreleaseFrequency, target: target)
/host/spi-builder-workspace/Sources/Concurrency/DispatchQueueFactory/IDispatchQueueFactory.swift:15:22: [1;31merror: [1;39mcannot find type 'DispatchQoS' in scope[0;0m
[0;36m13 |[0;0m
[0;36m14 |[0;0m /// Returns the global system queue with the specified quality-of-service class.
[0;36m15 |[0;0m func global(qos: [4;39mDispatchQoS[0;0m.QoSClass) -> IDispatchQueue
[0;36m|[0;0m `- [1;31merror: [1;39mcannot find type 'DispatchQoS' in scope[0;0m
[0;36m16 |[0;0m
[0;36m17 |[0;0m /// An object that manages the execution of tasks serially or concurrently on your
/host/spi-builder-workspace/Sources/Concurrency/DispatchQueueFactory/IDispatchQueueFactory.swift:21:14: [1;31merror: [1;39mcannot find type 'DispatchQoS' in scope[0;0m
[0;36m19 |[0;0m func privateQueue(
[0;36m20 |[0;0m label: String,
[0;36m21 |[0;0m qos: [4;39mDispatchQoS[0;0m,
[0;36m|[0;0m `- [1;31merror: [1;39mcannot find type 'DispatchQoS' in scope[0;0m
[0;36m22 |[0;0m attributes: DispatchQueue.Attributes,
[0;36m23 |[0;0m autoreleaseFrequency: DispatchQueue.AutoreleaseFrequency,
/host/spi-builder-workspace/Sources/Concurrency/DispatchQueueFactory/IDispatchQueueFactory.swift:22:21: [1;31merror: [1;39mcannot find type 'DispatchQueue' in scope[0;0m
[0;36m20 |[0;0m label: String,
[0;36m21 |[0;0m qos: DispatchQoS,
[0;36m22 |[0;0m attributes: [4;39mDispatchQueue[0;0m.Attributes,
[0;36m|[0;0m `- [1;31merror: [1;39mcannot find type 'DispatchQueue' in scope[0;0m
[0;36m23 |[0;0m autoreleaseFrequency: DispatchQueue.AutoreleaseFrequency,
[0;36m24 |[0;0m target: DispatchQueue?
/host/spi-builder-workspace/Sources/Concurrency/DispatchQueueFactory/IDispatchQueueFactory.swift:23:31: [1;31merror: [1;39mcannot find type 'DispatchQueue' in scope[0;0m
[0;36m21 |[0;0m qos: DispatchQoS,
[0;36m22 |[0;0m attributes: DispatchQueue.Attributes,
[0;36m23 |[0;0m autoreleaseFrequency: [4;39mDispatchQueue[0;0m.AutoreleaseFrequency,
[0;36m|[0;0m `- [1;31merror: [1;39mcannot find type 'DispatchQueue' in scope[0;0m
[0;36m24 |[0;0m target: DispatchQueue?
[0;36m25 |[0;0m ) -> IDispatchQueue
/host/spi-builder-workspace/Sources/Concurrency/DispatchQueueFactory/IDispatchQueueFactory.swift:24:17: [1;31merror: [1;39mcannot find type 'DispatchQueue' in scope[0;0m
[0;36m22 |[0;0m attributes: DispatchQueue.Attributes,
[0;36m23 |[0;0m autoreleaseFrequency: DispatchQueue.AutoreleaseFrequency,
[0;36m24 |[0;0m target: [4;39mDispatchQueue[0;0m?
[0;36m|[0;0m `- [1;31merror: [1;39mcannot find type 'DispatchQueue' in scope[0;0m
[0;36m25 |[0;0m ) -> IDispatchQueue
[0;36m26 |[0;0m }
Failed frontend command:
/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /host/spi-builder-workspace/Sources/Concurrency/DispatchQueue/DispatchQueue+IDispatchQueue.swift /host/spi-builder-workspace/Sources/Concurrency/DispatchQueue/IDispatchQueue.swift /host/spi-builder-workspace/Sources/Concurrency/DispatchQueueFactory/DispatchQueueFactory.swift /host/spi-builder-workspace/Sources/Concurrency/DispatchQueueFactory/IDispatchQueueFactory.swift /host/spi-builder-workspace/Sources/Concurrency/TaskFactory/ITaskFactory.swift /host/spi-builder-workspace/Sources/Concurrency/TaskFactory/TaskFactory.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 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/Concurrency.build/Debug-webassembly-wasm32/Concurrency-t.build/DerivedSources-normal/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/Concurrency.build/Debug-webassembly-wasm32/Concurrency-t.build/DerivedSources/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/Concurrency.build/Debug-webassembly-wasm32/Concurrency-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name Concurrency -package-name spi_builder_workspace -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/Concurrency.build/Debug-webassembly-wasm32/Concurrency-t.build/Objects-normal/wasm32/Concurrency_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/Concurrency.build/Debug-webassembly-wasm32/Concurrency-t.build/Objects-normal/wasm32/Modules/Concurrency.swiftdoc -emit-module-source-info-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Concurrency.build/Debug-webassembly-wasm32/Concurrency-t.build/Objects-normal/wasm32/Modules/Concurrency.swiftsourceinfo -emit-objc-header-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Concurrency.build/Debug-webassembly-wasm32/Concurrency-t.build/Objects-normal/wasm32/Concurrency-Swift.h -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Concurrency.build/Debug-webassembly-wasm32/Concurrency-t.build/Objects-normal/wasm32/Concurrency-primary-emit-module.dia -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Concurrency.build/Debug-webassembly-wasm32/Concurrency-t.build/Objects-normal/wasm32/Concurrency-primary-emit-module.d -parse-as-library -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/Concurrency.build/Debug-webassembly-wasm32/Concurrency-t.build/Objects-normal/wasm32/Modules/Concurrency.swiftmodule
error: Build failed
BUILD FAILURE 6.4 wasm