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Build Information

Failed to build LineEditor, reference v2.0.1 (20dd38), with Swift 6.4 for Linux on 27 Sep 2026 10:20:09 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/wildthink/LineEditor.git
Reference: v2.0.1
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/wildthink/LineEditor
 * tag               v2.0.1     -> FETCH_HEAD
HEAD is now at 20dd380 fix: report errors the way ArgumentParser does, not as a bare help screen
Cloned https://github.com/wildthink/LineEditor.git
Revision (git rev-parse @):
20dd380602a26dc514501b6b43d7ecd95fc2315f
SUCCESS checkout https://github.com/wildthink/LineEditor.git at v2.0.1
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.4
Building package at path:  $PWD
https://github.com/wildthink/LineEditor.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344843-0":/host -w "$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
Fetching https://github.com/mattt/bestline-swift.git
Fetching https://github.com/apple/swift-argument-parser.git
[1/33] Fetching bestline-swift
[34/18979] Fetching bestline-swift, swift-argument-parser
Fetched https://github.com/mattt/bestline-swift.git (1.47s)
Fetched https://github.com/apple/swift-argument-parser.git (1.48s)
Computing version for https://github.com/mattt/bestline-swift.git
Computed https://github.com/mattt/bestline-swift.git at 1.0.0 (1.64s)
Computing version for https://github.com/apple/swift-argument-parser.git
Computed https://github.com/apple/swift-argument-parser.git at 1.8.2 (0.17s)
Creating working copy for https://github.com/apple/swift-argument-parser.git
Working copy of https://github.com/apple/swift-argument-parser.git resolved at 1.8.2
Creating working copy for https://github.com/mattt/bestline-swift.git
Working copy of https://github.com/mattt/bestline-swift.git resolved at 1.0.0
Building for debugging...
[Computing dependencies]
[Pre-planning 1 / 272]
[Starting]
[56 / 98] CBestline
[69 / 108] ArgumentParser
[80 / 108] ArgumentParser
[82 / 108] Bestline-product
[87 / 113] LineEditor
[87 / 113] ArgumentParser
[98 / 122] CommandREPL
/host/spi-builder-workspace/Sources/CommandREPL/ParsableCommand+Extension.swift:73:51: warning: use of protocol 'Sequence' as a type must be written 'any Sequence'; this will be an error in a future Swift language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/existential-any\ExistentialAny]8;;\]
 71 |     /// - Parameter argv: Pre-tokenized arguments as `StringProtocol` values.
 72 |     /// - Throws: An error if parsing fails or if `run()` throws.
 73 |     static func evaluate<S: StringProtocol>(argv: Sequence<S>) throws {
    |                                                   `- warning: use of protocol 'Sequence' as a type must be written 'any Sequence'; this will be an error in a future Swift language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/existential-any\ExistentialAny]8;;\]
 74 |         try evaluate(argv: argv.map { String($0) })
 75 |     }
[#ExistentialAny]: <https://docs.swift.org/compiler/documentation/diagnostics/existential-any>
error: SwiftCompile normal x86_64 /host/spi-builder-workspace/Sources/LineEditor/LineEditor.swift failed with a nonzero exit code. Command line:     cd /host
    builtin-SwiftPerFileCompile LineEditor.swift
/host/spi-builder-workspace/Sources/LineEditor/LineEditor.swift:333:42: error: reference to var 'stderr' is not concurrency-safe because it involves shared mutable state
331 |             try saveHistory(to: historyFile)
332 |         } catch {
333 |             fputs("Warning: \(error)\n", stderr)
    |                                          `- error: reference to var 'stderr' is not concurrency-safe because it involves shared mutable state
334 |         }
335 |     }
/usr/include/stdio.h:145:14: note: var declared here
143 | extern FILE *stdin;		/* Standard input stream.  */
144 | extern FILE *stdout;		/* Standard output stream.  */
145 | extern FILE *stderr;		/* Standard error output stream.  */
    |              `- note: var declared here
146 | /* C89/C99 say they're macros.  Make them happy.  */
147 | #define stdin stdin
Failed frontend command:
/usr/bin/swift-frontend -frontend -c /host/spi-builder-workspace/Sources/LineEditor/CompletionProvider.swift -primary-file /host/spi-builder-workspace/Sources/LineEditor/LineEditor.swift -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/LineEditor.build/Debug-linux-x86_64/LineEditor-t.build/Objects-normal/x86_64/LineEditor.d -emit-const-values-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/LineEditor.build/Debug-linux-x86_64/LineEditor-t.build/Objects-normal/x86_64/LineEditor.swiftconstvalues -emit-reference-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/LineEditor.build/Debug-linux-x86_64/LineEditor-t.build/Objects-normal/x86_64/LineEditor.swiftdeps -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/LineEditor.build/Debug-linux-x86_64/LineEditor-t.build/Objects-normal/x86_64/LineEditor.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 6 -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 -fmodule-map-file\=/host/spi-builder-workspace/.build/checkouts/bestline-swift/Sources/CBestline/module.modulemap -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/checkouts/bestline-swift/Sources/CBestline -Xcc -I/host/spi-builder-workspace/.build/out/Products/Debug-linux-x86_64/include -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/LineEditor.build/Debug-linux-x86_64/LineEditor-t.build/DerivedSources-normal/x86_64 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/LineEditor.build/Debug-linux-x86_64/LineEditor-t.build/DerivedSources/x86_64 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/LineEditor.build/Debug-linux-x86_64/LineEditor-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name LineEditor -package-name spi_builder_workspace -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/LineEditor.build/Debug-linux-x86_64/LineEditor-t.build/Objects-normal/x86_64/LineEditor_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/LineEditor.build/Debug-linux-x86_64/LineEditor-t.build/Objects-normal/x86_64/LineEditor.o -index-unit-output-path /LineEditor.build/Debug-linux-x86_64/LineEditor-t.build/Objects-normal/x86_64/LineEditor.o -index-store-path /host/spi-builder-workspace/.build/out -index-system-modules
[102 / 123] CommandREPL
error: Build failed
BUILD FAILURE 6.4 linux