Swift Package Index

Build Information

Failed to build OneFingerRotation, reference main (3ac60f), with Swift 6.4 for macOS (SPM) on 21 Sep 2026 18:06:45 UTC.

Build Command

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

Build Log

========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/mttfntn/OneFingerRotation.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/mttfntn/OneFingerRotation
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 3ac60f3 Updated Old Elements Names to OFKnob and OFRotation Element, Organization and Code Commenting, Relative Adjustments
Cloned https://github.com/mttfntn/OneFingerRotation.git
Revision (git rev-parse @):
3ac60f3dac88b7e1219b184e9b449a7e3c495ea9
SUCCESS checkout https://github.com/mttfntn/OneFingerRotation.git at main
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/mttfntn/OneFingerRotation.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64
Building for debugging...
[Planning deferred tasks]
[19 / 28]
[20 / 29] OneFingerRotation
[30 / 98]
[33 / 98]
[41 / 98]
[43 / 98]
[44 / 98]
[49 / 98]
[52 / 98]
[55 / 98]
[61 / 98]
[63 / 98]
[66 / 98]
[67 / 98]
[77 / 98]
[79 / 98]
[80 / 98]
[83 / 98]
[85 / 98]
[89 / 98] OneFingerRotation
[95 / 98] OneFingerRotation
error: SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/OneFingerRotation/OFKnob.swift failed with a nonzero exit code. Command line:     cd /Users/admin/builder
    builtin-SwiftPerFileCompile OFKnob.swift
/Users/admin/builder/spi-builder-workspace/Sources/OneFingerRotation/OFKnob.swift:49:9: error: 'self' used before all stored properties are initialized
 24 |     @State private var isDragged: Bool = false
 25 |     let rotationThreshold: CGFloat = 12.0
 26 |     var onKnobValueChanged: (Double) -> Void
    |         `- note: 'self.onKnobValueChanged' not initialized
 27 |     @State var totalAngle: Double
    |     `- note: in expansion of macro 'State' on property 'totalAngle' here
    +--- macro expansion @State ----------------------------------------
    |1 | private var _totalAngle: SwiftUICore.State<Double>
    |  |             `- note: 'self._totalAngle' not initialized
    |2 |
    |3 | var $totalAngle: SwiftUICore.Binding<Double> {
    +-------------------------------------------------------------------
 28 |     @State private var previousAngle: Double = 0
 29 |     @State private var rotationDirection: Double = 1
    :
 47 |         self._friction = friction
 48 |         self._velocityMultiplier = velocityMultiplier
 49 |         self.rotationAngle = Angle(degrees: minAngle+(maxAngle-minAngle)*knobValue.wrappedValue)
    |         |- error: 'self' used before all stored properties are initialized
    |         `- note: 'self.stoppingAnimation' not initialized
 50 |         self.onKnobValueChanged = onKnobValueChanged
 51 |         self.animation = animation
Failed frontend command:
/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -frontend -c -primary-file /Users/admin/builder/spi-builder-workspace/Sources/OneFingerRotation/OFKnob.swift /Users/admin/builder/spi-builder-workspace/Sources/OneFingerRotation/OneFingerRotation.swift -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/OneFingerRotation.build/Debug/OneFingerRotation-t.build/Objects-normal/arm64/OFKnob.d -emit-const-values-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/OneFingerRotation.build/Debug/OneFingerRotation-t.build/Objects-normal/arm64/OFKnob.swiftconstvalues -emit-reference-dependencies-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/OneFingerRotation.build/Debug/OneFingerRotation-t.build/Objects-normal/arm64/OFKnob.swiftdeps -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/OneFingerRotation.build/Debug/OneFingerRotation-t.build/Objects-normal/arm64/OFKnob.dia -target arm64-apple-macos12.0 -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/libPreviewsMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server\#PreviewsMacros -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 -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins/libSwiftUIMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server\#SwiftUIMacros -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/OneFingerRotation.build/Debug/OneFingerRotation-t.build/Objects-normal/arm64/OneFingerRotation-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 -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 5 -Onone -D SWIFT_PACKAGE -D DEBUG -D SWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -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 -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/out/Products/Debug/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/OneFingerRotation.build/Debug/OneFingerRotation-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/OneFingerRotation.build/Debug/OneFingerRotation-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/OneFingerRotation.build/Debug/OneFingerRotation-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name OneFingerRotation -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/OneFingerRotation.build/Debug/OneFingerRotation-t.build/Objects-normal/arm64/OneFingerRotation_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/OneFingerRotation.build/Debug/OneFingerRotation-t.build/Objects-normal/arm64/OFKnob.o -debug-module-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/OneFingerRotation.build/Debug/OneFingerRotation-t.build/Objects-normal/arm64/OneFingerRotation.swiftmodule -index-unit-output-path /OneFingerRotation.build/Debug/OneFingerRotation-t.build/Objects-normal/arm64/OFKnob.o -index-store-path /Users/admin/builder/spi-builder-workspace/.build/out -index-system-modules
error: Build failed
BUILD FAILURE 6.4 macosSpm