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Build Information

Failed to build SwiftyUserDefaults, reference 5.3.0 (f66bcd), with Swift 6.4 for Linux on 17 Sep 2026 14:17:08 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:basic-6.4-latest swift build --triple x86_64-unknown-linux-gnu 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/sunshinejr/SwiftyUserDefaults.git
Reference: 5.3.0
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/sunshinejr/SwiftyUserDefaults
 * tag               5.3.0      -> FETCH_HEAD
HEAD is now at f66bcd0 Bump podspec to version 5.3
Cloned https://github.com/sunshinejr/SwiftyUserDefaults.git
Revision (git rev-parse @):
f66bcd04088582c8fbb5cb8554d577e303bae396
SUCCESS checkout https://github.com/sunshinejr/SwiftyUserDefaults.git at 5.3.0
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.4
Building package at path:  $PWD
https://github.com/sunshinejr/SwiftyUserDefaults.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-53886769-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:basic-6.4-latest swift build --triple x86_64-unknown-linux-gnu 2>&1
basic-6.4-latest: Pulling from saguaro1/spi-images
Digest: sha256:c77fcce225e223ac0fafed844619173fc6de8d62dd560eeb28db3182af6a282b
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:basic-6.4-latest
Building for debugging...
[Planning deferred tasks]
[28 / 36] SwiftyUserDefaults
error: SwiftCompile normal x86_64 /host/spi-builder-workspace/Sources/PropertyWrappers.swift failed with a nonzero exit code. Command line:     cd /host
    builtin-SwiftPerFileCompile PropertyWrappers.swift
/host/spi-builder-workspace/Sources/PropertyWrappers.swift:66:35: error: cannot call value of non-function type 'Never'
64 |
65 |         if options.contains(.observed) {
66 |             observation = adapter.observe(key) { [weak self] update in
   |                                   `- error: cannot call value of non-function type 'Never'
67 |                 self?._value = update.newValue
68 |             }
/host/spi-builder-workspace/Sources/PropertyWrappers.swift:66:62: error: cannot infer type of closure parameter 'update' without a type annotation
64 |
65 |         if options.contains(.observed) {
66 |             observation = adapter.observe(key) { [weak self] update in
   |                                                              `- error: cannot infer type of closure parameter 'update' without a type annotation
67 |                 self?._value = update.newValue
68 |             }
/host/spi-builder-workspace/Sources/PropertyWrappers.swift:77:36: error: cannot call value of non-function type 'Never'
75 |
76 |         if options.contains(.observed) {
77 |             observation = Defaults.observe(key) { [weak self] update in
   |                                    `- error: cannot call value of non-function type 'Never'
78 |                 self?._value = update.newValue
79 |             }
/host/spi-builder-workspace/Sources/PropertyWrappers.swift:77:63: error: cannot infer type of closure parameter 'update' without a type annotation
75 |
76 |         if options.contains(.observed) {
77 |             observation = Defaults.observe(key) { [weak self] update in
   |                                                               `- error: cannot infer type of closure parameter 'update' without a type annotation
78 |                 self?._value = update.newValue
79 |             }
Failed frontend command:
/usr/bin/swift-frontend -frontend -c /host/spi-builder-workspace/Sources/BuiltIns.swift /host/spi-builder-workspace/Sources/Defaults+Observing.swift /host/spi-builder-workspace/Sources/Defaults+StringToBool.swift /host/spi-builder-workspace/Sources/Defaults+Subscripts.swift /host/spi-builder-workspace/Sources/Defaults.swift /host/spi-builder-workspace/Sources/DefaultsAdapter.swift /host/spi-builder-workspace/Sources/DefaultsBridges.swift /host/spi-builder-workspace/Sources/DefaultsKey.swift /host/spi-builder-workspace/Sources/DefaultsKeys.swift /host/spi-builder-workspace/Sources/DefaultsObserver.swift /host/spi-builder-workspace/Sources/DefaultsSerializable.swift /host/spi-builder-workspace/Sources/OptionalType.swift -primary-file /host/spi-builder-workspace/Sources/PropertyWrappers.swift -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftyUserDefaults.build/Debug-linux-x86_64/SwiftyUserDefaults-t.build/Objects-normal/x86_64/PropertyWrappers.d -emit-const-values-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftyUserDefaults.build/Debug-linux-x86_64/SwiftyUserDefaults-t.build/Objects-normal/x86_64/PropertyWrappers.swiftconstvalues -emit-reference-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftyUserDefaults.build/Debug-linux-x86_64/SwiftyUserDefaults-t.build/Objects-normal/x86_64/PropertyWrappers.swiftdeps -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftyUserDefaults.build/Debug-linux-x86_64/SwiftyUserDefaults-t.build/Objects-normal/x86_64/PropertyWrappers.dia -target x86_64-unknown-linux-gnu -disable-objc-interop -I /host/spi-builder-workspace/.build/out/Products/Debug-linux-x86_64 -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 -enable-anonymous-context-mangled-names -file-compilation-dir /host -Xcc -fno-omit-frame-pointer -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-linux-x86_64/include -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftyUserDefaults.build/Debug-linux-x86_64/SwiftyUserDefaults-t.build/DerivedSources-normal/x86_64 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftyUserDefaults.build/Debug-linux-x86_64/SwiftyUserDefaults-t.build/DerivedSources/x86_64 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftyUserDefaults.build/Debug-linux-x86_64/SwiftyUserDefaults-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name SwiftyUserDefaults -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftyUserDefaults.build/Debug-linux-x86_64/SwiftyUserDefaults-t.build/Objects-normal/x86_64/SwiftyUserDefaults_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/SwiftyUserDefaults.build/Debug-linux-x86_64/SwiftyUserDefaults-t.build/Objects-normal/x86_64/PropertyWrappers.o -index-unit-output-path /SwiftyUserDefaults.build/Debug-linux-x86_64/SwiftyUserDefaults-t.build/Objects-normal/x86_64/PropertyWrappers.o -index-store-path /host/spi-builder-workspace/.build/out -index-system-modules
error: Build failed
BUILD FAILURE 6.4 linux