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Build Information

Failed to build Reactive, reference master (ffc76b), with Swift 6.4 for Linux on 16 Sep 2026 20:59:09 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-54344843-0":/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/amine2233/Reactive.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/amine2233/Reactive
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at ffc76bf Create swift tests action
Cloned https://github.com/amine2233/Reactive.git
Revision (git rev-parse @):
ffc76bfa3d160311b7c3e33827c327fc5a148a82
SUCCESS checkout https://github.com/amine2233/Reactive.git at master
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.4
Building package at path:  $PWD
https://github.com/amine2233/Reactive.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344843-0":/host -w "$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] Reactive
/host/spi-builder-workspace/Sources/Reactive/Observable.swift:29:33: warning: using 'class' keyword to define a class-constrained protocol is deprecated; use 'AnyObject' instead [#deprecation]
 27 |  A type-erased Observable in order to avoid generic specification when unnecessary.
 28 |  */
 29 | public protocol Unsubscribable: class {
    |                                 `- warning: using 'class' keyword to define a class-constrained protocol is deprecated; use 'AnyObject' instead [#deprecation]
 30 |     func unsubscribe(_ token: ObservableToken)
 31 | }
/host/spi-builder-workspace/Sources/Reactive/Observable.swift:159:27: warning: generic parameter 'T' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
 57 |  Observables are thread safe.
 58 |  */
 59 | public final class Observable<T>: ObservableProtocol, Unsubscribable {
    |                               `- note: 'T' previously declared here
 60 |
 61 |     fileprivate var observers = [ObservableToken: Observer<T>]()
    :
157 |     */
158 |     @discardableResult
159 |     public func subscribe<T: ObservableProtocol>(_ observable: T) -> ObservableToken where Element == T.Element {
    |                           `- warning: generic parameter 'T' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
160 |         subscribe { value in
161 |             observable.update(value)
/host/spi-builder-workspace/Sources/Reactive/Observable.swift:29:33: warning: using 'class' keyword to define a class-constrained protocol is deprecated; use 'AnyObject' instead [#deprecation]
 27 |  A type-erased Observable in order to avoid generic specification when unnecessary.
 28 |  */
 29 | public protocol Unsubscribable: class {
    |                                 `- warning: using 'class' keyword to define a class-constrained protocol is deprecated; use 'AnyObject' instead [#deprecation]
 30 |     func unsubscribe(_ token: ObservableToken)
 31 | }
/host/spi-builder-workspace/Sources/Reactive/Observable.swift:159:27: warning: generic parameter 'T' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
 57 |  Observables are thread safe.
 58 |  */
 59 | public final class Observable<T>: ObservableProtocol, Unsubscribable {
    |                               `- note: 'T' previously declared here
 60 |
 61 |     fileprivate var observers = [ObservableToken: Observer<T>]()
    :
157 |     */
158 |     @discardableResult
159 |     public func subscribe<T: ObservableProtocol>(_ observable: T) -> ObservableToken where Element == T.Element {
    |                           `- warning: generic parameter 'T' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
160 |         subscribe { value in
161 |             observable.update(value)
error: SwiftCompile normal x86_64 /host/spi-builder-workspace/Sources/Reactive/Lock.swift failed with a nonzero exit code. Command line:     cd /host
    builtin-SwiftPerFileCompile Lock.swift
/host/spi-builder-workspace/Sources/Reactive/Lock.swift:21:48: error: cannot convert value of type 'Int' to expected argument type 'Int32'
19 |     init() {
20 |         pthread_mutexattr_init(&attributes)
21 |         pthread_mutexattr_settype(&attributes, PTHREAD_MUTEX_RECURSIVE)
   |                                                `- error: cannot convert value of type 'Int' to expected argument type 'Int32'
22 |         pthread_mutex_init(&mutex, &attributes)
23 |     }
Failed frontend command:
/usr/bin/swift-frontend -frontend -c -primary-file /host/spi-builder-workspace/Sources/Reactive/ExecutionContext.swift -primary-file /host/spi-builder-workspace/Sources/Reactive/Lock.swift /host/spi-builder-workspace/Sources/Reactive/Observable.swift /host/spi-builder-workspace/Sources/Reactive/ObservableCombining.swift /host/spi-builder-workspace/Sources/Reactive/ObservableExtension.swift /host/spi-builder-workspace/Sources/Reactive/ObservableToken.swift /host/spi-builder-workspace/Sources/Reactive/Precondition.swift /host/spi-builder-workspace/Sources/Reactive/Promise/Future.swift /host/spi-builder-workspace/Sources/Reactive/Promise/FutureExtension.swift /host/spi-builder-workspace/Sources/Reactive/Promise/ResultExtension.swift /host/spi-builder-workspace/Sources/Reactive/Threading.swift /host/spi-builder-workspace/Sources/Reactive/Timer.swift -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Reactive.build/Debug-linux-x86_64/Reactive-t.build/Objects-normal/x86_64/ExecutionContext.d -emit-const-values-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Reactive.build/Debug-linux-x86_64/Reactive-t.build/Objects-normal/x86_64/ExecutionContext.swiftconstvalues -emit-reference-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Reactive.build/Debug-linux-x86_64/Reactive-t.build/Objects-normal/x86_64/ExecutionContext.swiftdeps -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Reactive.build/Debug-linux-x86_64/Reactive-t.build/Objects-normal/x86_64/ExecutionContext.dia -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Reactive.build/Debug-linux-x86_64/Reactive-t.build/Objects-normal/x86_64/Lock.d -emit-const-values-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Reactive.build/Debug-linux-x86_64/Reactive-t.build/Objects-normal/x86_64/Lock.swiftconstvalues -emit-reference-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Reactive.build/Debug-linux-x86_64/Reactive-t.build/Objects-normal/x86_64/Lock.swiftdeps -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Reactive.build/Debug-linux-x86_64/Reactive-t.build/Objects-normal/x86_64/Lock.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/Reactive.build/Debug-linux-x86_64/Reactive-t.build/DerivedSources-normal/x86_64 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/Reactive.build/Debug-linux-x86_64/Reactive-t.build/DerivedSources/x86_64 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/Reactive.build/Debug-linux-x86_64/Reactive-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name Reactive -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/Reactive.build/Debug-linux-x86_64/Reactive-t.build/Objects-normal/x86_64/Reactive_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/Reactive.build/Debug-linux-x86_64/Reactive-t.build/Objects-normal/x86_64/ExecutionContext.o -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/Reactive.build/Debug-linux-x86_64/Reactive-t.build/Objects-normal/x86_64/Lock.o -index-unit-output-path /Reactive.build/Debug-linux-x86_64/Reactive-t.build/Objects-normal/x86_64/ExecutionContext.o -index-unit-output-path /Reactive.build/Debug-linux-x86_64/Reactive-t.build/Objects-normal/x86_64/Lock.o -index-store-path /host/spi-builder-workspace/.build/out -index-system-modules
error: Build failed
BUILD FAILURE 6.4 linux