Swift Package Index

Build Information

Failed to build ConcurrencyPlus, reference 0.4.2 (8dc564), with Swift 6.4 for Wasm on 19 Sep 2026 06:26:47 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-53886769-0":/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/ChimeHQ/ConcurrencyPlus.git
Reference: 0.4.2
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/ChimeHQ/ConcurrencyPlus
 * tag               0.4.2      -> FETCH_HEAD
HEAD is now at 8dc5649 fix indentation for github
Cloned https://github.com/ChimeHQ/ConcurrencyPlus.git
Revision (git rev-parse @):
8dc56499412a373d617d50d059116bccf44b9874
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/ChimeHQ/ConcurrencyPlus.git at 0.4.2
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/ChimeHQ/ConcurrencyPlus.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-53886769-0":/host -w "$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/ConcurrencyPlus/AsyncSubject.swift:49:11: warning: 'AsyncSubject' is deprecated: Please see the project README for alternative libraries that provide this functionality [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration\DeprecatedDeclaration]8;;\]
47 | }
48 |
49 | extension AsyncSubject: Sendable where Element: Sendable {
   |           `- warning: 'AsyncSubject' is deprecated: Please see the project README for alternative libraries that provide this functionality [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration\DeprecatedDeclaration]8;;\]
50 | }
51 |
/host/spi-builder-workspace/Sources/ConcurrencyPlus/AsyncThrowingSubject.swift:54:11: warning: 'AsyncThrowingSubject' is deprecated: Please see the project README for alternative libraries that provide this functionality [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration\DeprecatedDeclaration]8;;\]
52 | }
53 |
54 | extension AsyncThrowingSubject: Sendable where Element: Sendable {
   |           `- warning: 'AsyncThrowingSubject' is deprecated: Please see the project README for alternative libraries that provide this functionality [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration\DeprecatedDeclaration]8;;\]
55 | }
56 |
/host/spi-builder-workspace/Sources/ConcurrencyPlus/MainActor+Unsafe.swift:9:2: warning: '(unsafe)' global actors are deprecated; use '@preconcurrency' instead; this is an error in the Swift 6 language mode
 7 | 	///
 8 | 	/// It will crash if run on any non-main thread.
 9 | 	@MainActor(unsafe)
   |  `- warning: '(unsafe)' global actors are deprecated; use '@preconcurrency' instead; this is an error in the Swift 6 language mode
10 | 	static func runUnsafely<T>(_ body: @MainActor () throws -> T) rethrows -> T {
11 | 		dispatchPrecondition(condition: .onQueue(.main))
/host/spi-builder-workspace/Sources/ConcurrencyPlus/RelaxedDispatchQueue.swift:5:28: error: cannot find type 'DispatchQueue' in scope
 3 | /// A very thin wrapper around `DispatchQueue` with relaxed `Sendable` checks
 4 | public struct RelaxedDispatchQueue {
 5 | 	public let internalQueue: DispatchQueue
   |                            `- error: cannot find type 'DispatchQueue' in scope
 6 |
 7 | 	public init(label: String,
/host/spi-builder-workspace/Sources/ConcurrencyPlus/RelaxedDispatchQueue.swift:8:10: error: cannot find type 'DispatchQoS' in scope
 6 |
 7 | 	public init(label: String,
 8 | 				qos: DispatchQoS = .unspecified,
   |          `- error: cannot find type 'DispatchQoS' in scope
 9 | 				attributes: DispatchQueue.Attributes = [],
10 | 				autoreleaseFrequency: DispatchQueue.AutoreleaseFrequency = .inherit,
/host/spi-builder-workspace/Sources/ConcurrencyPlus/RelaxedDispatchQueue.swift:9:17: error: cannot find type 'DispatchQueue' in scope
 7 | 	public init(label: String,
 8 | 				qos: DispatchQoS = .unspecified,
 9 | 				attributes: DispatchQueue.Attributes = [],
   |                 `- error: cannot find type 'DispatchQueue' in scope
10 | 				autoreleaseFrequency: DispatchQueue.AutoreleaseFrequency = .inherit,
11 | 				target: DispatchQueue? = nil) {
/host/spi-builder-workspace/Sources/ConcurrencyPlus/RelaxedDispatchQueue.swift:10:27: error: cannot find type 'DispatchQueue' in scope
 8 | 				qos: DispatchQoS = .unspecified,
 9 | 				attributes: DispatchQueue.Attributes = [],
10 | 				autoreleaseFrequency: DispatchQueue.AutoreleaseFrequency = .inherit,
   |                           `- error: cannot find type 'DispatchQueue' in scope
11 | 				target: DispatchQueue? = nil) {
12 | 		self.internalQueue = DispatchQueue(label: label,
/host/spi-builder-workspace/Sources/ConcurrencyPlus/RelaxedDispatchQueue.swift:11:13: error: cannot find type 'DispatchQueue' in scope
 9 | 				attributes: DispatchQueue.Attributes = [],
10 | 				autoreleaseFrequency: DispatchQueue.AutoreleaseFrequency = .inherit,
11 | 				target: DispatchQueue? = nil) {
   |             `- error: cannot find type 'DispatchQueue' in scope
12 | 		self.internalQueue = DispatchQueue(label: label,
13 | 										   qos: qos,
/host/spi-builder-workspace/Sources/ConcurrencyPlus/RelaxedDispatchQueue.swift:19:23: error: cannot find type 'DispatchQueue' in scope
17 | 	}
18 |
19 | 	public init(_ queue: DispatchQueue) {
   |                       `- error: cannot find type 'DispatchQueue' in scope
20 | 		self.internalQueue = queue
21 | 	}
/host/spi-builder-workspace/Sources/ConcurrencyPlus/TaskQueue.swift:139:32: warning: generic parameter 'Success' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
137 |     /// Submit a throwing operation to the global queue.
138 |     @discardableResult
139 |     public static func ordered<Success>(
    |                                `- warning: generic parameter 'Success' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
140 |         priority: TaskPriority? = nil,
141 |         operation: @escaping @Sendable () async throws -> Success)
/host/spi-builder-workspace/Sources/ConcurrencyPlus/TaskQueue.swift:148:32: warning: generic parameter 'Success' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
146 |     /// Submit an operation to the global queue.
147 |     @discardableResult
148 |     public static func ordered<Success>(
    |                                `- warning: generic parameter 'Success' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
149 |         priority: TaskPriority? = nil,
150 |         operation: @escaping @Sendable () async -> Success)
[#DeprecatedDeclaration]: <https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration>
Failed frontend command:
/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /host/spi-builder-workspace/Sources/ConcurrencyPlus/AsyncSubject.swift /host/spi-builder-workspace/Sources/ConcurrencyPlus/AsyncThrowingSubject.swift /host/spi-builder-workspace/Sources/ConcurrencyPlus/Continuation+Resuming.swift /host/spi-builder-workspace/Sources/ConcurrencyPlus/MainActor+Unsafe.swift /host/spi-builder-workspace/Sources/ConcurrencyPlus/NSXPCConnection+Continuation.swift /host/spi-builder-workspace/Sources/ConcurrencyPlus/RelaxedDispatchQueue.swift /host/spi-builder-workspace/Sources/ConcurrencyPlus/SendableContainers.swift /host/spi-builder-workspace/Sources/ConcurrencyPlus/Task+Relay.swift /host/spi-builder-workspace/Sources/ConcurrencyPlus/TaskQueue.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/ConcurrencyPlus.build/Debug-webassembly-wasm32/ConcurrencyPlus-t.build/DerivedSources-normal/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/ConcurrencyPlus.build/Debug-webassembly-wasm32/ConcurrencyPlus-t.build/DerivedSources/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/ConcurrencyPlus.build/Debug-webassembly-wasm32/ConcurrencyPlus-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name ConcurrencyPlus -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/ConcurrencyPlus.build/Debug-webassembly-wasm32/ConcurrencyPlus-t.build/Objects-normal/wasm32/ConcurrencyPlus_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/ConcurrencyPlus.build/Debug-webassembly-wasm32/ConcurrencyPlus-t.build/Objects-normal/wasm32/Modules/ConcurrencyPlus.swiftdoc -emit-module-source-info-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/ConcurrencyPlus.build/Debug-webassembly-wasm32/ConcurrencyPlus-t.build/Objects-normal/wasm32/Modules/ConcurrencyPlus.swiftsourceinfo -emit-objc-header-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/ConcurrencyPlus.build/Debug-webassembly-wasm32/ConcurrencyPlus-t.build/Objects-normal/wasm32/ConcurrencyPlus-Swift.h -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/ConcurrencyPlus.build/Debug-webassembly-wasm32/ConcurrencyPlus-t.build/Objects-normal/wasm32/ConcurrencyPlus-primary-emit-module.dia -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/ConcurrencyPlus.build/Debug-webassembly-wasm32/ConcurrencyPlus-t.build/Objects-normal/wasm32/ConcurrencyPlus-primary-emit-module.d -parse-as-library -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/ConcurrencyPlus.build/Debug-webassembly-wasm32/ConcurrencyPlus-t.build/Objects-normal/wasm32/Modules/ConcurrencyPlus.swiftmodule
[27 / 35] ConcurrencyPlus
error: Build failed
BUILD FAILURE 6.4 wasm