XCStringsTool – Build Information

Build Information

Failed to build XCStringsTool, reference main (15a0cc), with Swift 6.4 for macOS (SPM) on 22 Sep 2026 10:51:38 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64

Build 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/liamnichols/xcstrings-tool.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/liamnichols/xcstrings-tool
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 15a0ccf Support latest SwiftSyntax prereleases (#140)
Cloned https://github.com/liamnichols/xcstrings-tool.git
Revision (git rev-parse @):
15a0ccf140dabc45e0ca80d26c3922c1cb3ee2e2
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/liamnichols/xcstrings-tool.git at main
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Build
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Selected platform:         macosSpm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/liamnichols/xcstrings-tool.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64
Building for debugging...
[Computing dependencies]
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Fetching https://github.com/jpsim/Yams
Fetching https://github.com/liamnichols/swift-localized-strings
Fetching https://github.com/swiftlang/swift-docc-plugin
Fetching https://github.com/apple/swift-argument-parser
Fetching https://github.com/swiftlang/swift-syntax
Fetching https://github.com/pointfreeco/swift-snapshot-testing
[1/2345] Fetching swift-docc-plugin
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[279/14385] Fetching swift-docc-plugin, swift-localized-strings, yams
[416/33303] Fetching swift-docc-plugin, swift-localized-strings, yams, swift-argument-parser
[22146/49775] Fetching swift-docc-plugin, swift-localized-strings, yams, swift-argument-parser, swift-snapshot-testing
[28581/129777] Fetching swift-docc-plugin, swift-localized-strings, yams, swift-argument-parser, swift-snapshot-testing, swift-syntax
Fetched https://github.com/liamnichols/swift-localized-strings (8.66s)
Fetched https://github.com/swiftlang/swift-syntax (8.66s)
Fetched https://github.com/swiftlang/swift-docc-plugin (8.66s)
Fetched https://github.com/apple/swift-argument-parser (8.66s)
Fetched https://github.com/pointfreeco/swift-snapshot-testing (8.66s)
Fetched https://github.com/jpsim/Yams (8.66s)
Computing version for https://github.com/liamnichols/swift-localized-strings
Computed https://github.com/liamnichols/swift-localized-strings at 1.0.0 (9.41s)
Computing version for https://github.com/jpsim/Yams
Computed https://github.com/jpsim/Yams at 5.4.0 (0.66s)
Computing version for https://github.com/swiftlang/swift-docc-plugin
Computed https://github.com/swiftlang/swift-docc-plugin at 1.5.0 (0.65s)
Fetching https://github.com/swiftlang/swift-docc-symbolkit
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Computing version for https://github.com/swiftlang/swift-docc-symbolkit
Computed https://github.com/swiftlang/swift-docc-symbolkit at 1.0.0 (2.18s)
Computing version for https://github.com/apple/swift-argument-parser
Computed https://github.com/apple/swift-argument-parser at 1.8.2 (0.60s)
Computing version for https://github.com/pointfreeco/swift-snapshot-testing
Computed https://github.com/pointfreeco/swift-snapshot-testing at 1.19.6 (0.58s)
Fetching https://github.com/pointfreeco/swift-custom-dump
[1/5666] Fetching swift-custom-dump
Fetched https://github.com/pointfreeco/swift-custom-dump (1.65s)
Computing version for https://github.com/pointfreeco/swift-custom-dump
Computed https://github.com/pointfreeco/swift-custom-dump at 1.7.3 (2.27s)
Fetching https://github.com/pointfreeco/swift-issue-reporting
[1/6142] Fetching swift-issue-reporting
Fetched https://github.com/pointfreeco/swift-issue-reporting (1.57s)
Computing version for https://github.com/pointfreeco/swift-issue-reporting
Computed https://github.com/pointfreeco/swift-issue-reporting at 2.1.0 (3.82s)
Computing version for https://github.com/swiftlang/swift-syntax
Computed https://github.com/swiftlang/swift-syntax at 602.0.0 (0.74s)
Creating working copy for https://github.com/pointfreeco/swift-snapshot-testing
Working copy of https://github.com/pointfreeco/swift-snapshot-testing resolved at 1.19.6
Creating working copy for https://github.com/apple/swift-argument-parser
Working copy of https://github.com/apple/swift-argument-parser resolved at 1.8.2
Creating working copy for https://github.com/swiftlang/swift-docc-plugin
Working copy of https://github.com/swiftlang/swift-docc-plugin resolved at 1.5.0
Creating working copy for https://github.com/pointfreeco/swift-issue-reporting
Working copy of https://github.com/pointfreeco/swift-issue-reporting resolved at 2.1.0
Creating working copy for https://github.com/liamnichols/swift-localized-strings
Working copy of https://github.com/liamnichols/swift-localized-strings resolved at 1.0.0
Creating working copy for https://github.com/swiftlang/swift-syntax
Working copy of https://github.com/swiftlang/swift-syntax resolved at 602.0.0
Creating working copy for https://github.com/pointfreeco/swift-custom-dump
Working copy of https://github.com/pointfreeco/swift-custom-dump resolved at 1.7.3
Creating working copy for https://github.com/jpsim/Yams
Working copy of https://github.com/jpsim/Yams resolved at 5.4.0
Creating working copy for https://github.com/swiftlang/swift-docc-symbolkit
Working copy of https://github.com/swiftlang/swift-docc-symbolkit resolved at 1.0.0
Downloading package prebuilt https://download.swift.org/prebuilts/swift-syntax/602.0.0/swiftlang-6.4.0.34.1-macosx27.0-MacroSupport.zip
Downloaded https://download.swift.org/prebuilts/swift-syntax/602.0.0/swiftlang-6.4.0.34.1-macosx27.0-MacroSupport.zip (0.21s)
error: SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/xcstrings-tool/Utilities/AccessLevel+Resolution.swift failed with a nonzero exit code. Command line:     cd /Users/admin/builder
    builtin-SwiftPerFileCompile AccessLevel+Resolution.swift
/Users/admin/builder/spi-builder-workspace/Sources/xcstrings-tool/Utilities/AccessLevel+Resolution.swift:35:24: [1;31merror: [1;39m'retroactive' attribute does not apply; 'AccessLevel' is declared in the same package[0;0m
[0;36m33 |[0;0m
[0;36m34 |[0;0m #if compiler(>=6.0)
[0;36m35 |[0;0m extension AccessLevel: @retroactive ArgumentParser.ExpressibleByArgument {}
   [0;36m|[0;0m                        `- [1;31merror: [1;39m'retroactive' attribute does not apply; 'AccessLevel' is declared in the same package[0;0m
[0;36m36 |[0;0m #else
[0;36m37 |[0;0m extension AccessLevel: ExpressibleByArgument {}
Failed frontend command:
/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -frontend -c /Users/admin/builder/spi-builder-workspace/Sources/xcstrings-tool/Generate.swift -primary-file /Users/admin/builder/spi-builder-workspace/Sources/xcstrings-tool/Utilities/AccessLevel+Resolution.swift /Users/admin/builder/spi-builder-workspace/Sources/xcstrings-tool/Utilities/Cache.swift /Users/admin/builder/spi-builder-workspace/Sources/xcstrings-tool/Utilities/Configuration.swift /Users/admin/builder/spi-builder-workspace/Sources/xcstrings-tool/Utilities/Diagnostics.swift /Users/admin/builder/spi-builder-workspace/Sources/xcstrings-tool/Utilities/FileManager+Utilities.swift /Users/admin/builder/spi-builder-workspace/Sources/xcstrings-tool/Utilities/InputParser.swift /Users/admin/builder/spi-builder-workspace/Sources/xcstrings-tool/Utilities/ResourceValidator+Validate.swift /Users/admin/builder/spi-builder-workspace/Sources/xcstrings-tool/Utilities/StringExtractor+Merge.swift /Users/admin/builder/spi-builder-workspace/Sources/xcstrings-tool/XCStringsTool.swift -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/XCStringsTool.build/Debug/xcstrings-tool-p.build/Objects-normal/arm64/AccessLevel+Resolution.d -emit-const-values-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/XCStringsTool.build/Debug/xcstrings-tool-p.build/Objects-normal/arm64/AccessLevel+Resolution.swiftconstvalues -emit-reference-dependencies-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/XCStringsTool.build/Debug/xcstrings-tool-p.build/Objects-normal/arm64/AccessLevel+Resolution.swiftdeps -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/XCStringsTool.build/Debug/xcstrings-tool-p.build/Objects-normal/arm64/AccessLevel+Resolution.dia -emit-localized-strings -emit-localized-strings-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/XCStringsTool.build/Debug/xcstrings-tool-p.build/Objects-normal/arm64 -target arm64-apple-macos13.0 -disable-cross-import-overlay-search -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins/libFoundationMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server\#FoundationMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins/libObservationMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server\#ObservationMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins/libSwiftMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server\#SwiftMacros -disable-implicit-swift-modules -Xcc -fno-implicit-modules -Xcc -fno-implicit-module-maps -explicit-swift-module-map-file /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/XCStringsTool.build/Debug/xcstrings-tool-p.build/Objects-normal/arm64/xcstrings_tool-dependencies-1.json -Xllvm -aarch64-use-tbi -enable-objc-interop -stack-check -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk -I /Users/admin/builder/spi-builder-workspace/.build/out/Products/Debug -Isystem /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.build/out/Products/Debug/PackageFrameworks -F /Users/admin/builder/spi-builder-workspace/.build/out/Products/Debug -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks -module-cache-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftExplicitPrecompiledModules -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 Xcode -serialize-debugging-options -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.build/out/ModuleCache.noindex/Session.modulevalidation -Xcc -working-directory -Xcc /Users/admin/builder -enable-anonymous-context-mangled-names -file-compilation-dir /Users/admin/builder -Xcc -fmodule-map-file\=/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-syntax/Sources/_SwiftSyntaxCShims/include/module.modulemap -Xcc -fmodule-map-file\=/Users/admin/builder/spi-builder-workspace/.build/checkouts/Yams/Sources/CYaml/include/module.modulemap -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.build/out/SDKStatCaches.noindex/macosx27.0-26A425-80c5bbf1d171475443272936d42f90a36a22442a12e9d48fe1a705f55a1adfc4.sdkstatcache -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-syntax/Sources/_SwiftSyntaxCShims/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/checkouts/Yams/Sources/CYaml/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Products/Debug/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/XCStringsTool.build/Debug/xcstrings-tool-p.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/XCStringsTool.build/Debug/xcstrings-tool-p.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/XCStringsTool.build/Debug/xcstrings-tool-p.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name xcstrings_tool -package-name spi_builder_workspace -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/XCStringsTool.build/Debug/xcstrings-tool-p.build/Objects-normal/arm64/xcstrings-tool_const_extract_protocols.json -disable-clang-spi -clang-target arm64-apple-macos27.0 -target-sdk-version 27.0 -target-sdk-name macosx27.0 -in-process-plugin-server-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -parse-as-library -o /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/XCStringsTool.build/Debug/xcstrings-tool-p.build/Objects-normal/arm64/AccessLevel+Resolution.o -debug-module-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/XCStringsTool.build/Debug/xcstrings-tool-p.build/Objects-normal/arm64/xcstrings_tool.swiftmodule -index-unit-output-path /XCStringsTool.build/Debug/xcstrings-tool-p.build/Objects-normal/arm64/AccessLevel+Resolution.o -index-store-path /Users/admin/builder/spi-builder-workspace/.build/out -index-system-modules
error: Build failed
BUILD FAILURE 6.4 macosSpm