Swift Package IndexBuild Information
Failed to build Workflow, reference v3.17.0 (20d302), with Swift 6.4 for Linux on 19 Sep 2026 02:10:30 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-53886770-1":/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:basic-6.4-latest swift build --triple x86_64-unknown-linux-gnu 2>&1Build Log
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RunAll
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Builder version: 5.1.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/jordanekay/workflow-swift.git
Reference: v3.17.0
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/jordanekay/workflow-swift
* tag v3.17.0 -> FETCH_HEAD
HEAD is now at 20d3025 Adds a convenience for mapping Never outputs to other types (#340)
Cloned https://github.com/jordanekay/workflow-swift.git
Revision (git rev-parse @):
20d3025f9e20d1a5c120656964101f8a4e4f96a6
SUCCESS checkout https://github.com/jordanekay/workflow-swift.git at v3.17.0
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Build
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Selected platform: linux
Swift version: 6.4
Building package at path: $PWD
https://github.com/jordanekay/workflow-swift.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-53886770-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images: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
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warning: 'rxswift': /Package@swift-5.9.swift:99:56: warning: 'v4' is deprecated: watchOS 9.0 is the oldest supported version [#DeprecatedDeclaration]
97 | let package = Package(
98 | name: "RxSwift",
99 | platforms: [.iOS(.v12), .macOS(.v10_13), .watchOS(.v4), .tvOS(.v12), .visionOS(.v1)],
| `- warning: 'v4' is deprecated: watchOS 9.0 is the oldest supported version [#DeprecatedDeclaration]
100 | products: ([
101 | [
[#DeprecatedDeclaration]: <https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration>
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warning: 'rxswift': /host/spi-builder-workspace/.build/checkouts/RxSwift/Package@swift-5.9.swift:99:56: warning: 'v4' is deprecated: watchOS 9.0 is the oldest supported version [#DeprecatedDeclaration]
97 | let package = Package(
98 | name: "RxSwift",
99 | platforms: [.iOS(.v12), .macOS(.v10_13), .watchOS(.v4), .tvOS(.v12), .visionOS(.v1)],
| `- warning: 'v4' is deprecated: watchOS 9.0 is the oldest supported version [#DeprecatedDeclaration]
100 | products: ([
101 | [
[#DeprecatedDeclaration]: <https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration>
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error: SwiftCompile normal x86_64 /host/spi-builder-workspace/Workflow/Sources/AnyWorkflow.swift failed with a nonzero exit code. Command line: cd /host
builtin-SwiftPerFileCompile AnyWorkflow.swift
error: SwiftCompile normal x86_64 /host/spi-builder-workspace/Workflow/Sources/AnyWorkflowConvertible.swift failed with a nonzero exit code. Command line: cd /host
builtin-SwiftPerFileCompile AnyWorkflowConvertible.swift
/host/spi-builder-workspace/Workflow/Sources/WorkflowLogger.swift:18:8: [1;31merror: [1;39mno such module 'os.signpost'[0;0m
[0;36m16 |[0;0m
[0;36m17 |[0;0m import Foundation
[0;36m18 |[0;0m import os.signpost
[0;36m|[0;0m `- [1;31merror: [1;39mno such module 'os.signpost'[0;0m
[0;36m19 |[0;0m
[0;36m20 |[0;0m extension OSLog {
Failed frontend command:
/usr/bin/swift-frontend -frontend -c -primary-file /host/spi-builder-workspace/Workflow/Sources/AnyWorkflow.swift -primary-file /host/spi-builder-workspace/Workflow/Sources/AnyWorkflowConvertible.swift /host/spi-builder-workspace/Workflow/Sources/Debugging.swift /host/spi-builder-workspace/Workflow/Sources/DispatchQueue+Workflow.swift /host/spi-builder-workspace/Workflow/Sources/Lifetime.swift /host/spi-builder-workspace/Workflow/Sources/RenderContext.swift /host/spi-builder-workspace/Workflow/Sources/Sink.swift /host/spi-builder-workspace/Workflow/Sources/StateMutationSink.swift /host/spi-builder-workspace/Workflow/Sources/SubtreeManager.swift /host/spi-builder-workspace/Workflow/Sources/Workflow.swift /host/spi-builder-workspace/Workflow/Sources/WorkflowAction.swift /host/spi-builder-workspace/Workflow/Sources/WorkflowHost.swift /host/spi-builder-workspace/Workflow/Sources/WorkflowLogger.swift /host/spi-builder-workspace/Workflow/Sources/WorkflowNode.swift /host/spi-builder-workspace/Workflow/Sources/WorkflowObserver.swift -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Workflow.build/Debug-linux-x86_64/Workflow-t.build/Objects-normal/x86_64/AnyWorkflow.d -emit-const-values-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Workflow.build/Debug-linux-x86_64/Workflow-t.build/Objects-normal/x86_64/AnyWorkflow.swiftconstvalues -emit-reference-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Workflow.build/Debug-linux-x86_64/Workflow-t.build/Objects-normal/x86_64/AnyWorkflow.swiftdeps -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Workflow.build/Debug-linux-x86_64/Workflow-t.build/Objects-normal/x86_64/AnyWorkflow.dia -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Workflow.build/Debug-linux-x86_64/Workflow-t.build/Objects-normal/x86_64/AnyWorkflowConvertible.d -emit-const-values-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Workflow.build/Debug-linux-x86_64/Workflow-t.build/Objects-normal/x86_64/AnyWorkflowConvertible.swiftconstvalues -emit-reference-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Workflow.build/Debug-linux-x86_64/Workflow-t.build/Objects-normal/x86_64/AnyWorkflowConvertible.swiftdeps -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Workflow.build/Debug-linux-x86_64/Workflow-t.build/Objects-normal/x86_64/AnyWorkflowConvertible.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 StrictConcurrency\=targeted -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/Workflow.build/Debug-linux-x86_64/Workflow-t.build/DerivedSources-normal/x86_64 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/Workflow.build/Debug-linux-x86_64/Workflow-t.build/DerivedSources/x86_64 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/Workflow.build/Debug-linux-x86_64/Workflow-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name Workflow -package-name spi_builder_workspace -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/Workflow.build/Debug-linux-x86_64/Workflow-t.build/Objects-normal/x86_64/Workflow_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/Workflow.build/Debug-linux-x86_64/Workflow-t.build/Objects-normal/x86_64/AnyWorkflow.o -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/Workflow.build/Debug-linux-x86_64/Workflow-t.build/Objects-normal/x86_64/AnyWorkflowConvertible.o -index-unit-output-path /Workflow.build/Debug-linux-x86_64/Workflow-t.build/Objects-normal/x86_64/AnyWorkflow.o -index-unit-output-path /Workflow.build/Debug-linux-x86_64/Workflow-t.build/Objects-normal/x86_64/AnyWorkflowConvertible.o -index-store-path /host/spi-builder-workspace/.build/out -index-system-modules
error: Build failed
BUILD FAILURE 6.4 linux