swift-configs – Build Information

Build Information

Failed to build swift-configs, reference main (f041ae), with Swift 6.4 for Wasm on 23 Oct 2026 11:00:23 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-6.4.0-RELEASE_wasm 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 5.1.3
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/dankinsoid/swift-configs.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/dankinsoid/swift-configs
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at f041ae8 Document throwingGet and repeated bootstrap in the README
Cloned https://github.com/dankinsoid/swift-configs.git
Revision (git rev-parse @):
f041ae8322c5b3266c8d7bdc67d2ccfb45cd7d5c
SUCCESS checkout https://github.com/dankinsoid/swift-configs.git at main
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/dankinsoid/swift-configs.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-53886770-0":/host -w "$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-6.4.0-RELEASE_wasm 2>&1
wasm-6.4-latest: Pulling from saguaro1/spi-images
Digest: sha256:7a2e5502d3bb6640f9b2bbb1dadf9967024364ce9ed0ed0bd80cf1b699d193fd
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:wasm-6.4-latest
Building for debugging...
[Planning deferred tasks]
[27 / 35] SwiftConfigs
error: SwiftCompile normal wasm32 /host/spi-builder-workspace/Sources/SwiftConfigs/UserDefaultsConfigsHandler.swift failed with a nonzero exit code. Command line:     cd /host
    builtin-SwiftPerFileCompile UserDefaultsConfigsHandler.swift
/host/spi-builder-workspace/Sources/SwiftConfigs/UserDefaultsConfigsHandler.swift:69:55: [1;31merror: [1;39mcannot convert value of type 'any NSObjectProtocol' to expected argument type 'NotificationCenter.ObservationToken'[0;0m
 [0;36m67 |[0;0m     deinit {
 [0;36m68 |[0;0m         if let observer = notificationObserver {
 [0;36m69 |[0;0m             NotificationCenter.default.removeObserver(observer)
    [0;36m|[0;0m                                                       `- [1;31merror: [1;39mcannot convert value of type 'any NSObjectProtocol' to expected argument type 'NotificationCenter.ObservationToken'[0;0m
 [0;36m70 |[0;0m         }
 [0;36m71 |[0;0m     }
/host/spi-builder-workspace/Sources/SwiftConfigs/UserDefaultsConfigsHandler.swift:74:59: [1;31merror: [1;39mno exact matches in call to instance method 'addObserver'[0;0m
 [0;36m72 |[0;0m
 [0;36m73 |[0;0m     private func setupNotificationObserver() {
 [0;36m74 |[0;0m         notificationObserver = NotificationCenter.default.addObserver(
    [0;36m|[0;0m                                                           |- [1;31merror: [1;39mno exact matches in call to instance method 'addObserver'[0;0m
    [0;36m|[0;0m                                                           |- [1;39mnote: [1;39mfound candidate with type '(Message.Subject?, Message.Type, @escaping @Sendable (Message) async -> Void) -> NotificationCenter.ObservationToken'[0;0m
    [0;36m|[0;0m                                                           `- [1;39mnote: [1;39mfound candidate with type '(Message.Subject?, Message.Type, @escaping @MainActor (Message) -> Void) -> NotificationCenter.ObservationToken'[0;0m
 [0;36m75 |[0;0m             forName: UserDefaults.didChangeNotification,
 [0;36m76 |[0;0m             object: userDefaults,
/host/spi-builder-workspace/Sources/SwiftConfigs/UserDefaultsConfigsHandler.swift:74:59: [1;31merror: [1;39mcannot assign value of type 'NotificationCenter.ObservationToken' to type '(any NSObjectProtocol)?'[0;0m
 [0;36m72 |[0;0m
 [0;36m73 |[0;0m     private func setupNotificationObserver() {
 [0;36m74 |[0;0m         notificationObserver = [4;39mNotificationCenter.default.addObserver([0;0m
    [0;36m|[0;0m                                                           `- [1;31merror: [1;39mcannot assign value of type 'NotificationCenter.ObservationToken' to type '(any NSObjectProtocol)?'[0;0m
 [0;36m75 |[0;0m             forName: UserDefaults.didChangeNotification,
 [0;36m76 |[0;0m             object: userDefaults,
/host/spi-builder-workspace/Sources/SwiftConfigs/UserDefaultsConfigsHandler.swift:77:21: [1;31merror: [1;39mcannot infer contextual base in reference to member 'main'[0;0m
 [0;36m75 |[0;0m             forName: UserDefaults.didChangeNotification,
 [0;36m76 |[0;0m             object: userDefaults,
 [0;36m77 |[0;0m             queue: [4;39m.main[0;0m
    [0;36m|[0;0m                     `- [1;31merror: [1;39mcannot infer contextual base in reference to member 'main'[0;0m
 [0;36m78 |[0;0m         ) { [weak self] _ in
 [0;36m79 |[0;0m             self?.notifyObservers()
/host/spi-builder-workspace/Sources/SwiftConfigs/UserDefaultsConfigsHandler.swift:78:25: [1;31merror: [1;39mcannot infer type of closure parameter '_' without a type annotation[0;0m
 [0;36m76 |[0;0m             object: userDefaults,
 [0;36m77 |[0;0m             queue: .main
 [0;36m78 |[0;0m         ) { [weak self] _ in
    [0;36m|[0;0m                         `- [1;31merror: [1;39mcannot infer type of closure parameter '_' without a type annotation[0;0m
 [0;36m79 |[0;0m             self?.notifyObservers()
 [0;36m80 |[0;0m         }
Failed frontend command:
/usr/bin/swift-frontend -frontend -c /host/spi-builder-workspace/Sources/SwiftConfigs/ConfigCategory.swift /host/spi-builder-workspace/Sources/SwiftConfigs/ConfigFail.swift /host/spi-builder-workspace/Sources/SwiftConfigs/ConfigKey+constant.swift /host/spi-builder-workspace/Sources/SwiftConfigs/ConfigKey.swift /host/spi-builder-workspace/Sources/SwiftConfigs/ConfigState.swift /host/spi-builder-workspace/Sources/SwiftConfigs/ConfigStore.swift /host/spi-builder-workspace/Sources/SwiftConfigs/ConfigStoreObserver.swift /host/spi-builder-workspace/Sources/SwiftConfigs/ConfigTransformer.swift /host/spi-builder-workspace/Sources/SwiftConfigs/ConfigWrapper.swift /host/spi-builder-workspace/Sources/SwiftConfigs/Configs.swift /host/spi-builder-workspace/Sources/SwiftConfigs/ConfigsAsyncSequences.swift /host/spi-builder-workspace/Sources/SwiftConfigs/ConfigsCancellation.swift /host/spi-builder-workspace/Sources/SwiftConfigs/ConfigsNamespace.swift /host/spi-builder-workspace/Sources/SwiftConfigs/ConfigsProtocol.swift /host/spi-builder-workspace/Sources/SwiftConfigs/ConfigsSystem.swift /host/spi-builder-workspace/Sources/SwiftConfigs/ConfigsType.swift /host/spi-builder-workspace/Sources/SwiftConfigs/EnvironmentVariableConfigsHandler.swift /host/spi-builder-workspace/Sources/SwiftConfigs/InMemoryConfigsHandler.swift /host/spi-builder-workspace/Sources/SwiftConfigs/InfoPlistConfigStore.swift /host/spi-builder-workspace/Sources/SwiftConfigs/KeychainConfigs.swift /host/spi-builder-workspace/Sources/SwiftConfigs/Locks.swift /host/spi-builder-workspace/Sources/SwiftConfigs/MigrationConfigKey.swift /host/spi-builder-workspace/Sources/SwiftConfigs/MigrationConfigsHandler.swift /host/spi-builder-workspace/Sources/SwiftConfigs/MultiplexConfigsHandler.swift /host/spi-builder-workspace/Sources/SwiftConfigs/NOOPConfigsHandler.swift /host/spi-builder-workspace/Sources/SwiftConfigs/PrefixConfigsHandler.swift -primary-file /host/spi-builder-workspace/Sources/SwiftConfigs/StoreRegistry.swift -primary-file /host/spi-builder-workspace/Sources/SwiftConfigs/UbiquitousKeyValueStoreConfigsHandler.swift -primary-file /host/spi-builder-workspace/Sources/SwiftConfigs/UserDefaultsConfigsHandler.swift -supplementary-output-file-map /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-configs.build/Debug-webassembly-wasm32/SwiftConfigs-t.build/Objects-normal/wasm32/supplementaryOutputs-8 -target wasm32-unknown-wasip1 -disable-objc-interop -sdk /root/.swiftpm/swift-sdks/swift-6.4.0-RELEASE_wasm.artifactbundle/swift-6.4.0-RELEASE_wasm/wasm32-unknown-wasip1/WASI.sdk -sysroot /root/.swiftpm/swift-sdks/swift-6.4.0-RELEASE_wasm.artifactbundle/swift-6.4.0-RELEASE_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-6.4.0-RELEASE_wasm.artifactbundle/swift-6.4.0-RELEASE_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-6.4.0-RELEASE_wasm.artifactbundle/swift-6.4.0-RELEASE_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/swift-configs.build/Debug-webassembly-wasm32/SwiftConfigs-t.build/DerivedSources-normal/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-configs.build/Debug-webassembly-wasm32/SwiftConfigs-t.build/DerivedSources/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-configs.build/Debug-webassembly-wasm32/SwiftConfigs-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name SwiftConfigs -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-configs.build/Debug-webassembly-wasm32/SwiftConfigs-t.build/Objects-normal/wasm32/SwiftConfigs_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 -parse-as-library -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-configs.build/Debug-webassembly-wasm32/SwiftConfigs-t.build/Objects-normal/wasm32/StoreRegistry.o -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-configs.build/Debug-webassembly-wasm32/SwiftConfigs-t.build/Objects-normal/wasm32/UbiquitousKeyValueStoreConfigsHandler.o -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-configs.build/Debug-webassembly-wasm32/SwiftConfigs-t.build/Objects-normal/wasm32/UserDefaultsConfigsHandler.o -index-unit-output-path /swift-configs.build/Debug-webassembly-wasm32/SwiftConfigs-t.build/Objects-normal/wasm32/StoreRegistry.o -index-unit-output-path /swift-configs.build/Debug-webassembly-wasm32/SwiftConfigs-t.build/Objects-normal/wasm32/UbiquitousKeyValueStoreConfigsHandler.o -index-unit-output-path /swift-configs.build/Debug-webassembly-wasm32/SwiftConfigs-t.build/Objects-normal/wasm32/UserDefaultsConfigsHandler.o -index-store-path /host/spi-builder-workspace/.build/out -index-system-modules
error: Build failed
BUILD FAILURE 6.4 wasm