Taskig – Build Information – Swift Package Index

Build Information

Failed to build Taskig, reference master (8e7e56), with Swift 6.4 for Linux on 15 Sep 2026 23:58:04 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-54344845-0":/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/stendahls/Taskig.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/stendahls/Taskig
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 8e7e560 Updated license text
Cloned https://github.com/stendahls/Taskig.git
Revision (git rev-parse @):
8e7e5603d5f14bb2a1b262137d9122ec58c8837a
SUCCESS checkout https://github.com/stendahls/Taskig.git at master
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.4
Building package at path:  $PWD
https://github.com/stendahls/Taskig.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344845-0":/host -w "$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]
[27 / 35] Taskig
error: SwiftCompile normal x86_64 /host/spi-builder-workspace/TaskigSource/Base/ThrowableTask.swift failed with a nonzero exit code. Command line:     cd /host
    builtin-SwiftPerFileCompile ThrowableTask.swift
[32 / 35] Taskig
/host/spi-builder-workspace/TaskigSource/Base/ThrowableTask.swift:71:38: [1;31merror: [1;39mreferencing operator function '==' on 'Equatable' requires that 'DispatchQueue' conform to 'Equatable'[0;0m
 [0;36m69 |[0;0m     @discardableResult
 [0;36m70 |[0;0m     public func awaitResult() -> Result<ResultType, Error> {
 [0;36m71 |[0;0m         precondition((executionQueue == .main && Thread.isMainThread == true) == false)
    [0;36m|[0;0m                                      `- [1;31merror: [1;39mreferencing operator function '==' on 'Equatable' requires that 'DispatchQueue' conform to 'Equatable'[0;0m
 [0;36m72 |[0;0m
 [0;36m73 |[0;0m         var result: Result<ResultType, Error>!
Swift.Equatable:1:17: [1;39mnote: [1;39mwhere 'Self' = 'DispatchQueue'[0;0m
[0;36m1 |[0;0m public protocol Equatable : ~Copyable, ~Escapable {
  [0;36m|[0;0m                 `- [1;39mnote: [1;39mwhere 'Self' = 'DispatchQueue'[0;0m
[0;36m2 |[0;0m     static func == (lhs: borrowing Self, rhs: borrowing Self) -> Bool
[0;36m3 |[0;0m }
/host/spi-builder-workspace/TaskigSource/Base/ThrowableTask.swift:80:17: [1;33mwarning: [1;39mmutation of captured var 'result' in concurrently-executing code; this is an error in the Swift 6 language mode[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/sendable-closure-captures\SendableClosureCaptures]8;;\]
 [0;36m78 |[0;0m         executionQueue.async {
 [0;36m79 |[0;0m             guard self.isCancelled == false else {
 [0;36m80 |[0;0m                 result = .failure(CancellableTaskError.taskWasCancelled)
    [0;36m|[0;0m                 `- [1;33mwarning: [1;39mmutation of captured var 'result' in concurrently-executing code; this is an error in the Swift 6 language mode[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/sendable-closure-captures\SendableClosureCaptures]8;;\]
 [0;36m81 |[0;0m                 group.leave()
 [0;36m82 |[0;0m                 return
/host/spi-builder-workspace/TaskigSource/Base/ThrowableTask.swift:86:17: [1;33mwarning: [1;39mmutation of captured var 'result' in concurrently-executing code; this is an error in the Swift 6 language mode[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/sendable-closure-captures\SendableClosureCaptures]8;;\]
 [0;36m84 |[0;0m
 [0;36m85 |[0;0m             self.action(completion: { (actionResult) in
 [0;36m86 |[0;0m                 result = actionResult
    [0;36m|[0;0m                 `- [1;33mwarning: [1;39mmutation of captured var 'result' in concurrently-executing code; this is an error in the Swift 6 language mode[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/sendable-closure-captures\SendableClosureCaptures]8;;\]
 [0;36m87 |[0;0m                 group.leave()
 [0;36m88 |[0;0m             })
[#SendableClosureCaptures]: <https://docs.swift.org/compiler/documentation/diagnostics/sendable-closure-captures>
Failed frontend command:
/usr/bin/swift-frontend -frontend -c /host/spi-builder-workspace/TaskigSource/Base/CancellableTaskType.swift /host/spi-builder-workspace/TaskigSource/Base/Collections.swift /host/spi-builder-workspace/TaskigSource/Base/Helpers.swift /host/spi-builder-workspace/TaskigSource/Base/Task.swift /host/spi-builder-workspace/TaskigSource/Base/TaskType.swift -primary-file /host/spi-builder-workspace/TaskigSource/Base/ThrowableTask.swift /host/spi-builder-workspace/TaskigSource/Base/ThrowableTaskType.swift -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Taskig.build/Debug-linux-x86_64/Taskig-t.build/Objects-normal/x86_64/ThrowableTask.d -emit-const-values-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Taskig.build/Debug-linux-x86_64/Taskig-t.build/Objects-normal/x86_64/ThrowableTask.swiftconstvalues -emit-reference-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Taskig.build/Debug-linux-x86_64/Taskig-t.build/Objects-normal/x86_64/ThrowableTask.swiftdeps -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Taskig.build/Debug-linux-x86_64/Taskig-t.build/Objects-normal/x86_64/ThrowableTask.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/Taskig.build/Debug-linux-x86_64/Taskig-t.build/DerivedSources-normal/x86_64 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/Taskig.build/Debug-linux-x86_64/Taskig-t.build/DerivedSources/x86_64 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/Taskig.build/Debug-linux-x86_64/Taskig-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name Taskig -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/Taskig.build/Debug-linux-x86_64/Taskig-t.build/Objects-normal/x86_64/Taskig_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/Taskig.build/Debug-linux-x86_64/Taskig-t.build/Objects-normal/x86_64/ThrowableTask.o -index-unit-output-path /Taskig.build/Debug-linux-x86_64/Taskig-t.build/Objects-normal/x86_64/ThrowableTask.o -index-store-path /host/spi-builder-workspace/.build/out -index-system-modules
error: Build failed
BUILD FAILURE 6.4 linux