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Track the adoption of Swift 6 strict concurrency checks for data race safety. How many packages are Ready for Swift 6?

Build Information

Failed to build Keybro with Swift 6.0 for macOS (SPM).

Build Command

env DEVELOPER_DIR=/Applications/Xcode-15.3.0.app xcrun --toolchain org.swift.600202405261a swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete

Build Log

========================================
RunAll
========================================
Builder version: 4.40.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/antongaenko/keybro.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/antongaenko/keybro
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 4149357 Update README.md
Cloned https://github.com/antongaenko/keybro.git
Revision (git rev-parse @):
4149357fd1e32250b292189002ebb2302418f791
SUCCESS checkout https://github.com/antongaenko/keybro.git at main
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $workDir
https://github.com/antongaenko/keybro.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-15.3.0.app xcrun --toolchain org.swift.600202405261a swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-6F35C1178C84523A.txt
error: emit-module command failed with exit code 1 (use -v to see invocation)
error: compile command failed due to signal 6 (use -v to see invocation)
[3/4] Emitting module Keybro
/Users/admin/builder/spi-builder-workspace/keybro/Keybro.swift:8:8: error: no such module 'UIKit'
  6 | //
  7 |
  8 | import UIKit
    |        `- error: no such module 'UIKit'
  9 |
 10 | public enum Command {
Can't demangle: $s6Keybro7CommandO6custom33_7262D014E96DA9A7BF11929146D7CB95LLXeF5inputL_SSvp
Please submit a bug report (https://swift.org/contributing/#reporting-bugs) and include the crash backtrace.
Stack dump:
0.	Program arguments: /Library/Developer/Toolchains/swift-6.0-DEVELOPMENT-SNAPSHOT-2024-05-26-a.xctoolchain/usr/bin/swift-frontend -frontend -c -primary-file /Users/admin/builder/spi-builder-workspace/keybro/Keybro.swift -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.build/arm64-apple-macosx/debug/Keybro.build/Keybro.d -emit-reference-dependencies-path /Users/admin/builder/spi-builder-workspace/.build/arm64-apple-macosx/debug/Keybro.build/Keybro.swiftdeps -target arm64-apple-macosx10.13 -Xllvm -aarch64-use-tbi -enable-objc-interop -sdk /Applications/Xcode-15.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX14.4.sdk -I /Users/admin/builder/spi-builder-workspace/.build/arm64-apple-macosx/debug/Modules -I /Applications/Xcode-15.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib -F /Applications/Xcode-15.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks -enable-testing -g -debug-info-format=dwarf -dwarf-version=4 -module-cache-path /Users/admin/builder/spi-builder-workspace/.build/arm64-apple-macosx/debug/ModuleCache -swift-version 5 -Onone -D SWIFT_PACKAGE -D DEBUG -stats-output-dir .stats -strict-concurrency=complete -empty-abi-descriptor -resource-dir /Library/Developer/Toolchains/swift-6.0-DEVELOPMENT-SNAPSHOT-2024-05-26-a.xctoolchain/usr/lib/swift -enable-anonymous-context-mangled-names -file-compilation-dir /Users/admin/builder/spi-builder-workspace -Xcc -isysroot -Xcc /Applications/Xcode-15.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX14.4.sdk -Xcc -F -Xcc /Applications/Xcode-15.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks -Xcc -fPIC -Xcc -g -module-name Keybro -plugin-path /Library/Developer/Toolchains/swift-6.0-DEVELOPMENT-SNAPSHOT-2024-05-26-a.xctoolchain/usr/lib/swift/host/plugins -plugin-path /Library/Developer/Toolchains/swift-6.0-DEVELOPMENT-SNAPSHOT-2024-05-26-a.xctoolchain/usr/local/lib/swift/host/plugins -target-sdk-version 14.4 -target-sdk-name macosx14.4 -external-plugin-path /Applications/Xcode-15.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins#/Applications/Xcode-15.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server -external-plugin-path /Applications/Xcode-15.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/local/lib/swift/host/plugins#/Applications/Xcode-15.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server -parse-as-library -o /Users/admin/builder/spi-builder-workspace/.build/arm64-apple-macosx/debug/Keybro.build/Keybro.swift.o -index-store-path /Users/admin/builder/spi-builder-workspace/.build/arm64-apple-macosx/debug/index/store -index-system-modules
1.	Apple Swift version 6.0-dev (LLVM 4b0b1f9e1a69523, Swift 91a3abcf816bc36)
2.	Compiling with effective version 5.10
3.	While walking into 'Command' (at /Users/admin/builder/spi-builder-workspace/keybro/Keybro.swift:10:8)
4.	While evaluating request USRGenerationRequest(Keybro.(file).Command.custom(input:modifiers:action:).input@/Users/admin/builder/spi-builder-workspace/keybro/Keybro.swift:26:17)
Stack dump without symbol names (ensure you have llvm-symbolizer in your PATH or set the environment var `LLVM_SYMBOLIZER_PATH` to point to it):
0  swift-frontend           0x0000000107fd3bf0 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) + 56
1  swift-frontend           0x0000000107fd23bc llvm::sys::RunSignalHandlers() + 112
2  swift-frontend           0x0000000107fd4238 SignalHandler(int) + 304
3  libsystem_platform.dylib 0x000000018d189a24 _sigtramp + 56
4  libsystem_pthread.dylib  0x000000018d159cc0 pthread_kill + 288
5  libsystem_c.dylib        0x000000018d065a40 abort + 180
6  swift-frontend           0x000000010857be6c swift::Mangle::Mangler::verify(llvm::StringRef) (.cold.2) + 0
7  swift-frontend           0x000000010448f904 swift::Mangle::Mangler::verify(llvm::StringRef) + 744
8  swift-frontend           0x000000010414a0cc swift::Mangle::ASTMangler::mangleDeclAsUSR(swift::ValueDecl const*, llvm::StringRef) + 104
9  swift-frontend           0x00000001044809e8 swift::USRGenerationRequest::evaluate(swift::Evaluator&, swift::ValueDecl const*) const + 960
10 swift-frontend           0x0000000102cf9350 swift::USRGenerationRequest::OutputType swift::Evaluator::getResultUncached<swift::USRGenerationRequest, swift::USRGenerationRequest::OutputType swift::evaluateOrDefault<swift::USRGenerationRequest>(swift::Evaluator&, swift::USRGenerationRequest, swift::USRGenerationRequest::OutputType)::'lambda'()>(swift::USRGenerationRequest const&, swift::USRGenerationRequest::OutputType swift::evaluateOrDefault<swift::USRGenerationRequest>(swift::Evaluator&, swift::USRGenerationRequest, swift::USRGenerationRequest::OutputType)::'lambda'()) + 264
11 swift-frontend           0x0000000102cf9130 swift::USRGenerationRequest::OutputType swift::Evaluator::getResultCached<swift::USRGenerationRequest, swift::USRGenerationRequest::OutputType swift::evaluateOrDefault<swift::USRGenerationRequest>(swift::Evaluator&, swift::USRGenerationRequest, swift::USRGenerationRequest::OutputType)::'lambda'(), (void*)0>(swift::USRGenerationRequest const&, swift::USRGenerationRequest::OutputType swift::evaluateOrDefault<swift::USRGenerationRequest>(swift::Evaluator&, swift::USRGenerationRequest, swift::USRGenerationRequest::OutputType)::'lambda'()) + 412
12 swift-frontend           0x0000000104481390 swift::ide::printValueDeclUSR(swift::ValueDecl const*, llvm::raw_ostream&) + 144
13 swift-frontend           0x0000000102cd0464 (anonymous namespace)::IndexSwiftASTWalker::getNameAndUSR(swift::ValueDecl*, swift::ExtensionDecl*, llvm::StringRef&, llvm::StringRef&) + 336
14 swift-frontend           0x0000000102ccfb38 (anonymous namespace)::IndexSwiftASTWalker::initIndexSymbol(swift::ValueDecl*, swift::SourceLoc, bool, swift::index::IndexSymbol&) + 156
15 swift-frontend           0x0000000102cce060 (anonymous namespace)::IndexSwiftASTWalker::walkToDeclPre(swift::Decl*, swift::CharSourceRange) + 2968
16 swift-frontend           0x00000001037fa7f4 (anonymous namespace)::SemaAnnotator::walkToDeclPre(swift::Decl*) + 1904
17 swift-frontend           0x00000001041a1c18 (anonymous namespace)::Traversal::doIt(swift::Decl*) + 252
18 swift-frontend           0x00000001041a308c (anonymous namespace)::Traversal::visitParameterList(swift::ParameterList*) + 92
19 swift-frontend           0x00000001041a4e24 (anonymous namespace)::Traversal::visit(swift::Decl*) + 1900
20 swift-frontend           0x00000001041a1c3c (anonymous namespace)::Traversal::doIt(swift::Decl*) + 288
21 swift-frontend           0x00000001041a5560 (anonymous namespace)::Traversal::visitNominalTypeDecl(swift::NominalTypeDecl*) + 480
22 swift-frontend           0x00000001041a4744 (anonymous namespace)::Traversal::visit(swift::Decl*) + 140
23 swift-frontend           0x00000001041a1c3c (anonymous namespace)::Traversal::doIt(swift::Decl*) + 288
24 swift-frontend           0x00000001041a1b10 swift::Decl::walk(swift::ASTWalker&) + 32
25 swift-frontend           0x00000001043500d0 swift::SourceFile::walk(swift::ASTWalker&) + 196
26 swift-frontend           0x00000001037f8a1c swift::SourceEntityWalker::walk(swift::SourceFile&) + 200
27 swift-frontend           0x0000000102ccd264 (anonymous namespace)::IndexSwiftASTWalker::visitModule(swift::ModuleDecl&) + 196
28 swift-frontend           0x0000000102ccd14c swift::index::indexSourceFile(swift::SourceFile*, swift::index::IndexDataConsumer&) + 364
29 swift-frontend           0x0000000102cd4a68 recordSourceFileUnit(swift::SourceFile*, llvm::StringRef, llvm::StringRef, bool, bool, bool, bool, bool, bool, llvm::StringRef, llvm::ArrayRef<clang::FileEntry const*>, clang::CompilerInstance const&, swift::PathRemapper const&, swift::DiagnosticEngine&) + 1216
30 swift-frontend           0x0000000102cd4540 swift::index::indexAndRecord(swift::SourceFile*, llvm::StringRef, llvm::StringRef, bool, bool, bool, bool, bool, bool, llvm::StringRef, swift::DependencyTracker const&, swift::PathRemapper const&) + 420
31 swift-frontend           0x0000000102b557a8 emitIndexDataForSourceFile(swift::SourceFile*, swift::CompilerInstance const&) + 300
32 swift-frontend           0x0000000102b539f0 performEndOfPipelineActions(swift::CompilerInstance&) + 6344
33 swift-frontend           0x0000000102b4f5b0 performCompile(swift::CompilerInstance&, int&, swift::FrontendObserver*) + 740
34 swift-frontend           0x0000000102b4e4fc swift::performFrontend(llvm::ArrayRef<char const*>, char const*, void*, swift::FrontendObserver*) + 2388
35 swift-frontend           0x00000001029683b0 swift::mainEntry(int, char const**) + 3096
36 dyld                     0x000000018cdd90e0 start + 2360
BUILD FAILURE 6.0 macosSpm
This is a staging environment. For live and up-to-date package information, visit swiftpackageindex.com.