SwiftExecutors – Build Information

Build Information

Failed to build SwiftExecutors, reference main (8eca56), with Swift 6.4 for Wasm on 22 Sep 2026 22:40:04 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>&1

Build Log

========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/Kosikowski/swift-executors.git
Reference: main
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/Kosikowski/swift-executors
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 8eca56a Bump actions/checkout from 6 to 7 (#3)
Cloned https://github.com/Kosikowski/swift-executors.git
Revision (git rev-parse @):
8eca56a19debdab78b43bbc770299885315481fe
SUCCESS checkout https://github.com/Kosikowski/swift-executors.git at main
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/Kosikowski/swift-executors.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-53886770-0":/host -w "$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...
[Planning deferred tasks]
error: SwiftCompile normal wasm32 failed with a nonzero exit code. Command line:     cd /host

[26 / 37] SwiftExecutors
/host/spi-builder-workspace/Sources/SwiftExecutors/DispatchQueueTaskExecutor.swift:17:24: [1;31merror: [1;39mcannot find type 'DispatchQueue' in scope[0;0m
[0;36m15 |[0;0m public final class DispatchQueueTaskExecutor: TaskExecutor, @unchecked Sendable {
[0;36m16 |[0;0m     /// Private dispatch queue used as the underlying thread pool.
[0;36m17 |[0;0m     private let queue: [4;39mDispatchQueue[0;0m
   [0;36m|[0;0m                        `- [1;31merror: [1;39mcannot find type 'DispatchQueue' in scope[0;0m
[0;36m18 |[0;0m
[0;36m19 |[0;0m     /// Creates a new task executor backed by a GCD dispatch queue.
/host/spi-builder-workspace/Sources/SwiftExecutors/DispatchQueueTaskExecutor.swift:27:22: [1;31merror: [1;39mcannot find type 'DispatchQoS' in scope[0;0m
[0;36m25 |[0;0m     ///   - target: Target queue for execution (nil for default).
[0;36m26 |[0;0m     public init(label: String = "DispatchTaskExec",
[0;36m27 |[0;0m                 qos: [4;39mDispatchQoS[0;0m = .default,
   [0;36m|[0;0m                      `- [1;31merror: [1;39mcannot find type 'DispatchQoS' in scope[0;0m
[0;36m28 |[0;0m                 attributes: DispatchQueue.Attributes = [],
[0;36m29 |[0;0m                 target: DispatchQueue? = nil)
/host/spi-builder-workspace/Sources/SwiftExecutors/DispatchQueueTaskExecutor.swift:28:29: [1;31merror: [1;39mcannot find type 'DispatchQueue' in scope[0;0m
[0;36m26 |[0;0m     public init(label: String = "DispatchTaskExec",
[0;36m27 |[0;0m                 qos: DispatchQoS = .default,
[0;36m28 |[0;0m                 attributes: [4;39mDispatchQueue[0;0m.Attributes = [],
   [0;36m|[0;0m                             `- [1;31merror: [1;39mcannot find type 'DispatchQueue' in scope[0;0m
[0;36m29 |[0;0m                 target: DispatchQueue? = nil)
[0;36m30 |[0;0m     {
/host/spi-builder-workspace/Sources/SwiftExecutors/DispatchQueueTaskExecutor.swift:29:25: [1;31merror: [1;39mcannot find type 'DispatchQueue' in scope[0;0m
[0;36m27 |[0;0m                 qos: DispatchQoS = .default,
[0;36m28 |[0;0m                 attributes: DispatchQueue.Attributes = [],
[0;36m29 |[0;0m                 target: [4;39mDispatchQueue[0;0m? = nil)
   [0;36m|[0;0m                         `- [1;31merror: [1;39mcannot find type 'DispatchQueue' in scope[0;0m
[0;36m30 |[0;0m     {
[0;36m31 |[0;0m         queue = DispatchQueue(
/host/spi-builder-workspace/Sources/SwiftExecutors/DispatchQueueTaskExecutor.swift:46:34: [1;31merror: [1;39mcannot find type 'DispatchQoS' in scope[0;0m
[0;36m44 |[0;0m     ///   - target: Target queue for execution (nil for default).
[0;36m45 |[0;0m     public convenience init(concurrentLabel: String = "ConcurrentDispatchExec",
[0;36m46 |[0;0m                             qos: [4;39mDispatchQoS[0;0m = .default,
   [0;36m|[0;0m                                  `- [1;31merror: [1;39mcannot find type 'DispatchQoS' in scope[0;0m
[0;36m47 |[0;0m                             target: DispatchQueue? = nil)
[0;36m48 |[0;0m     {
/host/spi-builder-workspace/Sources/SwiftExecutors/DispatchQueueTaskExecutor.swift:47:37: [1;31merror: [1;39mcannot find type 'DispatchQueue' in scope[0;0m
[0;36m45 |[0;0m     public convenience init(concurrentLabel: String = "ConcurrentDispatchExec",
[0;36m46 |[0;0m                             qos: DispatchQoS = .default,
[0;36m47 |[0;0m                             target: [4;39mDispatchQueue[0;0m? = nil)
   [0;36m|[0;0m                                     `- [1;31merror: [1;39mcannot find type 'DispatchQueue' in scope[0;0m
[0;36m48 |[0;0m     {
[0;36m49 |[0;0m         self.init(label: concurrentLabel, qos: qos, attributes: .concurrent, target: target)
/host/spi-builder-workspace/Sources/SwiftExecutors/DispatchQueueTaskExecutor.swift:59:34: [1;31merror: [1;39mcannot find type 'DispatchQoS' in scope[0;0m
[0;36m57 |[0;0m     ///   - target: Target queue for execution (nil for default).
[0;36m58 |[0;0m     public convenience init(serialLabel: String = "SerialDispatchExec",
[0;36m59 |[0;0m                             qos: [4;39mDispatchQoS[0;0m = .default,
   [0;36m|[0;0m                                  `- [1;31merror: [1;39mcannot find type 'DispatchQoS' in scope[0;0m
[0;36m60 |[0;0m                             target: DispatchQueue? = nil)
[0;36m61 |[0;0m     {
/host/spi-builder-workspace/Sources/SwiftExecutors/DispatchQueueTaskExecutor.swift:60:37: [1;31merror: [1;39mcannot find type 'DispatchQueue' in scope[0;0m
[0;36m58 |[0;0m     public convenience init(serialLabel: String = "SerialDispatchExec",
[0;36m59 |[0;0m                             qos: DispatchQoS = .default,
[0;36m60 |[0;0m                             target: [4;39mDispatchQueue[0;0m? = nil)
   [0;36m|[0;0m                                     `- [1;31merror: [1;39mcannot find type 'DispatchQueue' in scope[0;0m
[0;36m61 |[0;0m     {
[0;36m62 |[0;0m         self.init(label: serialLabel, qos: qos, attributes: [], target: target)
/host/spi-builder-workspace/Sources/SwiftExecutors/QueueTaskExecutor.swift:17:24: [1;31merror: [1;39mcannot find type 'OperationQueue' in scope[0;0m
[0;36m15 |[0;0m public final class QueueTaskExecutor: TaskExecutor, @unchecked Sendable {
[0;36m16 |[0;0m     /// Private operation queue used as the underlying thread pool.
[0;36m17 |[0;0m     private let queue: [4;39mOperationQueue[0;0m
   [0;36m|[0;0m                        `- [1;31merror: [1;39mcannot find type 'OperationQueue' in scope[0;0m
[0;36m18 |[0;0m
[0;36m19 |[0;0m     /// Creates a new task executor backed by an NSOperationQueue.
/host/spi-builder-workspace/Sources/SwiftExecutors/QueueTaskExecutor.swift:26:38: [1;31merror: [1;39mcannot find 'OperationQueue' in scope[0;0m
[0;36m24 |[0;0m     ///   - qos: Quality of service for priority handling (e.g. `.userInitiated`, `.background`).
[0;36m25 |[0;0m     public init(label: String = "TaskExec",
[0;36m26 |[0;0m                 maxConcurrent: Int = [4;39mOperationQueue[0;0m.defaultMaxConcurrentOperationCount,
   [0;36m|[0;0m                                      `- [1;31merror: [1;39mcannot find 'OperationQueue' in scope[0;0m
[0;36m27 |[0;0m                 qos: QualityOfService = .default)
[0;36m28 |[0;0m     {
/host/spi-builder-workspace/Sources/SwiftExecutors/ThreadExecutor.swift:32:26: [1;31merror: [1;39mcannot find type 'CFRunLoop' in scope[0;0m
 [0;36m30 |[0;0m     /// NOTE: It's `!` on purpose – the run-loop is set *inside* the thread body
 [0;36m31 |[0;0m     /// and is guaranteed to exist before `init` returns.
 [0;36m32 |[0;0m     private var runLoop: [4;39mCFRunLoop[0;0m!
    [0;36m|[0;0m                          `- [1;31merror: [1;39mcannot find type 'CFRunLoop' in scope[0;0m
 [0;36m33 |[0;0m
 [0;36m34 |[0;0m     /// Spins up the thread & run-loop pair exactly once.
Failed frontend command:
/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /host/spi-builder-workspace/Sources/SwiftExecutors/DispatchQueueTaskExecutor.swift /host/spi-builder-workspace/Sources/SwiftExecutors/QueueTaskExecutor.swift /host/spi-builder-workspace/Sources/SwiftExecutors/ThreadExecutor.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/SwiftExecutors.build/Debug-webassembly-wasm32/SwiftExecutors-t.build/DerivedSources-normal/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftExecutors.build/Debug-webassembly-wasm32/SwiftExecutors-t.build/DerivedSources/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftExecutors.build/Debug-webassembly-wasm32/SwiftExecutors-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name SwiftExecutors -package-name spi_builder_workspace -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftExecutors.build/Debug-webassembly-wasm32/SwiftExecutors-t.build/Objects-normal/wasm32/SwiftExecutors_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/SwiftExecutors.build/Debug-webassembly-wasm32/SwiftExecutors-t.build/Objects-normal/wasm32/Modules/SwiftExecutors.swiftdoc -emit-module-source-info-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftExecutors.build/Debug-webassembly-wasm32/SwiftExecutors-t.build/Objects-normal/wasm32/Modules/SwiftExecutors.swiftsourceinfo -emit-objc-header-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftExecutors.build/Debug-webassembly-wasm32/SwiftExecutors-t.build/Objects-normal/wasm32/SwiftExecutors-Swift.h -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftExecutors.build/Debug-webassembly-wasm32/SwiftExecutors-t.build/Objects-normal/wasm32/SwiftExecutors-primary-emit-module.dia -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftExecutors.build/Debug-webassembly-wasm32/SwiftExecutors-t.build/Objects-normal/wasm32/SwiftExecutors-primary-emit-module.d -parse-as-library -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftExecutors.build/Debug-webassembly-wasm32/SwiftExecutors-t.build/Objects-normal/wasm32/Modules/SwiftExecutors.swiftmodule
error: Build failed
BUILD FAILURE 6.4 wasm