Build Information
Failed to build SwiftTypeAdoptionReporter, reference main (b249ab), with Swift 6.4 for macOS (SPM) on 17 Sep 2026 17:11:25 UTC.
Build Command
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64Build 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/thumbtack/star.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/thumbtack/star
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at b249ab5 Update to swift-tools-version:5.6 (#25)
Cloned https://github.com/thumbtack/star.git
Revision (git rev-parse @):
b249ab5bf27147699789fe66af9214f22b448d28
SUCCESS checkout https://github.com/thumbtack/star.git at main
========================================
Build
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Selected platform: macosSpm
Swift version: 6.4
Building package at path: $PWD
https://github.com/thumbtack/star.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64
Building for debugging...
[Computing dependencies]
[Pre-planning 1 / 245]
[Planning deferred tasks]
[53 / 104]
[56 / 106] ArgumentParserToolInfo
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[127 / 174] ArgumentParser
[133 / 174] SwiftSyntax
[133 / 174] ArgumentParser
[134 / 174] ArgumentParser-product
[135 / 174] ArgumentParser-product
[137 / 174] ArgumentParser
[139 / 174] ArgumentParser
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[140 / 174] SwiftSyntax
[147 / 175] ArgumentParser
Fetching https://github.com/apple/swift-argument-parser.git
Fetching https://github.com/apple/swift-syntax.git
[1/18904] Fetching swift-argument-parser
[18905/98839] Fetching swift-argument-parser, swift-syntax
Fetched https://github.com/apple/swift-argument-parser.git (3.08s)
[800/79935] Fetching swift-syntax
Fetched https://github.com/apple/swift-syntax.git (8.85s)
Computing version for https://github.com/apple/swift-syntax.git
Computed https://github.com/apple/swift-syntax.git at 0.50600.1 (9.60s)
Computing version for https://github.com/apple/swift-argument-parser.git
Computed https://github.com/apple/swift-argument-parser.git at 0.5.0 (0.68s)
Creating working copy for https://github.com/apple/swift-syntax.git
Working copy of https://github.com/apple/swift-syntax.git resolved at 0.50600.1
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 0.5.0
Downloading binary artifact https://github.com/apple/swift-syntax/releases/download/0.50600.1/_InternalSwiftSyntaxParser.xcframework.zip
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Downloaded https://github.com/apple/swift-syntax/releases/download/0.50600.1/_InternalSwiftSyntaxParser.xcframework.zip (2.48s)
error: clang dependency scanning failure:
error: /Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-syntax/Sources/SwiftSyntaxParser/CNodes.swift:13:29 unable to resolve module dependency: '_InternalSwiftSyntaxParser'
error: SwiftDriver SwiftSyntaxParser normal arm64 com.apple.xcode.tools.swift.compiler failed with a nonzero exit code. Command line: cd /Users/admin/builder
builtin-SwiftDriver -- /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -parse-as-library -module-name SwiftSyntaxParser -Onone @/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSyntax.build/Debug/SwiftSyntaxParser-t.build/Objects-normal/arm64/SwiftSyntaxParser.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -Xcc -fmodule-map-file\=/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/GeneratedModuleMaps/_CSwiftSyntax.modulemap -DXcode -plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk -target arm64-apple-macos12.0 -g -module-cache-path /Users/admin/builder/spi-builder-workspace/.build/out/ModuleCache.noindex -Xfrontend -serialize-debugging-options -enable-testing -suppress-warnings -index-store-path /Users/admin/builder/spi-builder-workspace/.build/out -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -swift-version 5 -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 -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.build/out/SDKStatCaches.noindex/macosx27.0-26A425-80c5bbf1d171475443272936d42f90a36a22442a12e9d48fe1a705f55a1adfc4.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSyntax.build/Debug/SwiftSyntaxParser-t.build/Objects-normal/arm64/SwiftSyntaxParser-OutputFileMap.json -save-temps -color-diagnostics -explicit-module-build -module-cache-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftExplicitPrecompiledModules -clang-scanner-module-cache-path /Users/admin/builder/spi-builder-workspace/.build/out/ModuleCache.noindex -sdk-module-cache-path /Users/admin/builder/spi-builder-workspace/.build/out/SDKExplicitPrecompiledModules -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSyntax.build/Debug/SwiftSyntaxParser-t.build/Objects-normal/arm64/SwiftSyntaxParser.swiftmodule -serialize-diagnostics -dependency-scan-serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSyntax.build/Debug/SwiftSyntaxParser-t.build/Objects-normal/arm64/SwiftSyntaxParser-dependency-scan.dia -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.build/out/ModuleCache.noindex/Session.modulevalidation -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -emit-const-values -const-gather-protocols-list /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSyntax.build/Debug/SwiftSyntaxParser-t.build/Objects-normal/arm64/SwiftSyntaxParser_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-syntax/Sources/_CSwiftSyntax/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/SwiftSyntax.build/Debug/SwiftSyntaxParser-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSyntax.build/Debug/SwiftSyntaxParser-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSyntax.build/Debug/SwiftSyntaxParser-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -emit-objc-header -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSyntax.build/Debug/SwiftSyntaxParser-t.build/Objects-normal/arm64/SwiftSyntaxParser-Swift.h -working-directory /Users/admin/builder -experimental-emit-module-separately -disable-cmo
error: Build failed
BUILD FAILURE 6.4 macosSpm