Swift Package Index

Build Information

Failed to build MockingKit, reference master (9f1493), with Swift 6.4 for Wasm on 27 Sep 2026 10:04:27 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-54344843-1":/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/danielsaidi/MockingKit.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/danielsaidi/MockingKit
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 9f1493a Fix linting
Cloned https://github.com/danielsaidi/MockingKit.git
Revision (git rev-parse @):
9f1493a23c4219ad563be331703bbeadbe855231
SUCCESS checkout https://github.com/danielsaidi/MockingKit.git at master
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/danielsaidi/MockingKit.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344843-1":/host -w "$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/MockingKit/Mocks/MockNotificationCenter.swift:55:88: error: cannot find type 'OperationQueue' in scope
53 | private extension MockNotificationCenter {
54 |
55 |     func mockAddObserverForName(_ name: NSNotification.Name?, object obj: Any?, queue: OperationQueue?, using block: @escaping (Notification) -> Void) -> NSObjectProtocol {
   |                                                                                        `- error: cannot find type 'OperationQueue' in scope
56 |         call(addObserverForNameRef, args: (name, obj, queue, block))
57 |     }
/host/spi-builder-workspace/Sources/MockingKit/Mocks/MockNotificationCenter.swift:59:75: error: cannot find type 'Selector' in scope
57 |     }
58 |
59 |     func mockAddObserverWithSelector(_ observer: Any, selector aSelector: Selector, name aName: NSNotification.Name?, object anObject: Any?) {
   |                                                                           `- error: cannot find type 'Selector' in scope
60 |         call(addObserverWithSelectorRef, args: (observer, aSelector, aName, anObject))
61 |     }
/host/spi-builder-workspace/Sources/MockingKit/Mocks/MockNotificationCenter.swift:22:73: error: cannot find type 'Selector' in scope
20 |     public let mock = Mock()
21 |
22 |     open override func addObserver(_ observer: Any, selector aSelector: Selector, name aName: NSNotification.Name?, object anObject: Any?) {
   |                                                                         `- error: cannot find type 'Selector' in scope
23 |         mockAddObserverWithSelector(observer, selector: aSelector, name: aName, object: anObject)
24 |     }
/host/spi-builder-workspace/Sources/MockingKit/Mocks/MockNotificationCenter.swift:26:97: error: cannot find type 'OperationQueue' in scope
24 |     }
25 |
26 |     open override func addObserver(forName name: NSNotification.Name?, object obj: Any?, queue: OperationQueue?, using block: @escaping (Notification) -> Void) -> NSObjectProtocol {
   |                                                                                                 `- error: cannot find type 'OperationQueue' in scope
27 |         mockAddObserverForName(name, object: obj, queue: queue, using: block)
28 |     }
/host/spi-builder-workspace/Sources/MockingKit/Mocks/MockNotificationCenter.swift:30:24: error: method does not override any method from its superclass
28 |     }
29 |
30 |     open override func post(_ notification: Notification) {
   |                        `- error: method does not override any method from its superclass
31 |         mockPostNotification(notification)
32 |     }
/host/spi-builder-workspace/Sources/MockingKit/Mocks/MockNotificationCenter.swift:34:24: error: method does not override any method from its superclass
32 |     }
33 |
34 |     open override func post(name aName: NSNotification.Name, object anObject: Any?) {
   |                        `- error: method does not override any method from its superclass
35 |         mockPostNotificationName(name: aName, object: anObject, userInfo: nil)
36 |     }
/host/spi-builder-workspace/Sources/MockingKit/Mocks/MockNotificationCenter.swift:38:24: error: method does not override any method from its superclass
36 |     }
37 |
38 |     open override func post(name aName: NSNotification.Name, object anObject: Any?, userInfo aUserInfo: [AnyHashable: Any]? = nil) {
   |                        `- error: method does not override any method from its superclass
39 |         mockPostNotificationName(name: aName, object: anObject, userInfo: aUserInfo)
40 |     }
/host/spi-builder-workspace/Sources/MockingKit/Mocks/MockNotificationCenter.swift:42:24: error: overriding non-open instance method outside of its defining module
40 |     }
41 |
42 |     open override func removeObserver(_ observer: Any) {
   |                        `- error: overriding non-open instance method outside of its defining module
43 |         mockRemoveObserver(observer, name: nil, object: nil)
44 |     }
/host/spi-builder-workspace/Sources/MockingKit/Mocks/MockNotificationCenter.swift:42:24: error: method does not override any method from its superclass
40 |     }
41 |
42 |     open override func removeObserver(_ observer: Any) {
   |                        `- error: method does not override any method from its superclass
43 |         mockRemoveObserver(observer, name: nil, object: nil)
44 |     }
FoundationEssentials.NotificationCenter.removeObserver:3:15: note: potential overridden instance method 'removeObserver' here
1 | class NotificationCenter {
2 | @available(macOS 26, iOS 26, tvOS 26, watchOS 26, *)
3 |   public func removeObserver(_ token: NotificationCenter.ObservationToken)}
  |               `- note: potential overridden instance method 'removeObserver' here
4 |
/host/spi-builder-workspace/Sources/MockingKit/Mocks/MockNotificationCenter.swift:46:24: error: method does not override any method from its superclass
44 |     }
45 |
46 |     open override func removeObserver(_ observer: Any, name aName: NSNotification.Name?, object anObject: Any?) {
   |                        `- error: method does not override any method from its superclass
47 |         mockRemoveObserver(observer, name: aName, object: anObject)
48 |     }
/host/spi-builder-workspace/Sources/MockingKit/Mocks/MockPasteboard.swift:61:12: warning: class 'MockPasteboard' must restate inherited '@unchecked Sendable' conformance
59 | /// This mock doesn't do anything since the platform doesn't
60 | /// have a pasteboard.
61 | open class MockPasteboard: Mock {}
   |            `- warning: class 'MockPasteboard' must restate inherited '@unchecked Sendable' conformance
62 | #endif
63 |
/host/spi-builder-workspace/Sources/MockingKit/Mocks/MockUserDefaults.swift:99:24: error: method does not override any method from its superclass
 97 |     }
 98 |
 99 |     open override func setValue(_ value: Any?, forKey key: String) {
    |                        `- error: method does not override any method from its superclass
100 |         setValueWithInstance(value, forKey: key)
101 |     }
/host/spi-builder-workspace/Sources/MockingKit/Mocks/MockUserDefaults.swift:12:12: error: conformance of 'UserDefaults' to 'Sendable' is unavailable
 10 |
 11 | /// This class can be used to mock `UserDefaults`.
 12 | open class MockUserDefaults: UserDefaults, Mockable, @unchecked Sendable {
    |            `- error: conformance of 'UserDefaults' to 'Sendable' is unavailable
 13 |
 14 |     public lazy var boolRef = MockReference(bool)
Foundation.UserDefaults:2:11: note: conformance of 'UserDefaults' to 'Sendable' has been explicitly marked unavailable here
1 | @available(*, unavailable)
2 | extension UserDefaults : @unchecked Sendable {
  |           `- note: conformance of 'UserDefaults' to 'Sendable' has been explicitly marked unavailable here
3 | }
/host/spi-builder-workspace/Sources/MockingKit/Mocks/MockUserDefaults.swift:12:65: warning: 'MockUserDefaults' inherits an unavailable 'Sendable' conformance; conforming here risks data races [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/unavailable-sendable-conformance\UnavailableSendableConformance]8;;\]
 10 |
 11 | /// This class can be used to mock `UserDefaults`.
 12 | open class MockUserDefaults: UserDefaults, Mockable, @unchecked Sendable {
    |            |                                                    `- warning: 'MockUserDefaults' inherits an unavailable 'Sendable' conformance; conforming here risks data races [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/unavailable-sendable-conformance\UnavailableSendableConformance]8;;\]
    |            `- note: 'MockUserDefaults' inherits unavailable conformance to protocol 'Sendable' from superclass here
 13 |
 14 |     public lazy var boolRef = MockReference(bool)
[#UnavailableSendableConformance]: <https://docs.swift.org/compiler/documentation/diagnostics/unavailable-sendable-conformance>
Failed frontend command:
/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /host/spi-builder-workspace/Sources/MockingKit/AsyncMockReference.swift /host/spi-builder-workspace/Sources/MockingKit/AsyncThrowingMockReference.swift /host/spi-builder-workspace/Sources/MockingKit/Internals/Escaping.swift /host/spi-builder-workspace/Sources/MockingKit/Mock.swift /host/spi-builder-workspace/Sources/MockingKit/MockCall.swift /host/spi-builder-workspace/Sources/MockingKit/MockReference.swift /host/spi-builder-workspace/Sources/MockingKit/Mockable+Call.swift /host/spi-builder-workspace/Sources/MockingKit/Mockable+Inspect.swift /host/spi-builder-workspace/Sources/MockingKit/Mockable+Register.swift /host/spi-builder-workspace/Sources/MockingKit/Mockable+Reset.swift /host/spi-builder-workspace/Sources/MockingKit/Mockable.swift /host/spi-builder-workspace/Sources/MockingKit/Mocks/MockNotificationCenter.swift /host/spi-builder-workspace/Sources/MockingKit/Mocks/MockPasteboard.swift /host/spi-builder-workspace/Sources/MockingKit/Mocks/MockUserDefaults.swift /host/spi-builder-workspace/Sources/MockingKit/ThrowingMockReference.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/MockingKit.build/Debug-webassembly-wasm32/MockingKit-t.build/DerivedSources-normal/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/MockingKit.build/Debug-webassembly-wasm32/MockingKit-t.build/DerivedSources/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/MockingKit.build/Debug-webassembly-wasm32/MockingKit-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name MockingKit -package-name spi_builder_workspace -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/MockingKit.build/Debug-webassembly-wasm32/MockingKit-t.build/Objects-normal/wasm32/MockingKit_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/MockingKit.build/Debug-webassembly-wasm32/MockingKit-t.build/Objects-normal/wasm32/Modules/MockingKit.swiftdoc -emit-module-source-info-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/MockingKit.build/Debug-webassembly-wasm32/MockingKit-t.build/Objects-normal/wasm32/Modules/MockingKit.swiftsourceinfo -emit-objc-header-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/MockingKit.build/Debug-webassembly-wasm32/MockingKit-t.build/Objects-normal/wasm32/MockingKit-Swift.h -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/MockingKit.build/Debug-webassembly-wasm32/MockingKit-t.build/Objects-normal/wasm32/MockingKit-primary-emit-module.dia -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/MockingKit.build/Debug-webassembly-wasm32/MockingKit-t.build/Objects-normal/wasm32/MockingKit-primary-emit-module.d -parse-as-library -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/MockingKit.build/Debug-webassembly-wasm32/MockingKit-t.build/Objects-normal/wasm32/Modules/MockingKit.swiftmodule
error: Build failed
BUILD FAILURE 6.4 wasm