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Build Information

Failed to build SwiftUIRingSlider, reference main (15fb9a), with Swift 6.4 for macOS (SPM) on 23 Sep 2026 13:06:14 UTC.

Build Command

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

Build Log

========================================
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/FluidGroup/swiftui-ring-slider.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/FluidGroup/swiftui-ring-slider
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 15fb9ab Remove coloring (#3)
Cloned https://github.com/FluidGroup/swiftui-ring-slider.git
Revision (git rev-parse @):
15fb9ab0a2ca7c6b3e58ca4c90433a8217dbfa98
SUCCESS checkout https://github.com/FluidGroup/swiftui-ring-slider.git at main
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Build
========================================
Selected platform:         macosSpm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/FluidGroup/swiftui-ring-slider.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64
Building for debugging...
[Pre-planning 1 / 96]
[Planning deferred tasks]
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[212 / 221] SwiftUIRingSlider
Fetching https://github.com/siteline/swiftui-introspect
[1/12890] Fetching swiftui-introspect
Fetched https://github.com/siteline/swiftui-introspect (1.69s)
Computing version for https://github.com/siteline/swiftui-introspect
Computed https://github.com/siteline/swiftui-introspect at 26.1.0 (2.39s)
Creating working copy for https://github.com/siteline/swiftui-introspect
Working copy of https://github.com/siteline/swiftui-introspect resolved at 26.1.0
error: SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/SwiftUIRingSlider/SwiftUIRingSlider.swift failed with a nonzero exit code. Command line:     cd /Users/admin/builder
    builtin-SwiftPerFileCompile SwiftUIRingSlider.swift
/Users/admin/builder/spi-builder-workspace/Sources/SwiftUIRingSlider/SwiftUIRingSlider.swift:138:66: error: cannot find type 'UIScrollView' in scope
136 |             .sensoryFeedback(.selection, trigger: value)
137 |             .scrollIndicators(.hidden)
138 |             .introspect(.scrollView, on: .iOS(.v15...)) { (view: UIScrollView) in
    |                                                                  `- error: cannot find type 'UIScrollView' in scope
139 |
140 |               view.decelerationRate = .fast
/Users/admin/builder/spi-builder-workspace/Sources/SwiftUIRingSlider/SwiftUIRingSlider.swift:138:51: error: cannot convert value of type '()' to expected argument type 'PartialRangeFrom<PlatformViewVersion<iOSVersion, ScrollViewType, _>>'
136 |             .sensoryFeedback(.selection, trigger: value)
137 |             .scrollIndicators(.hidden)
138 |             .introspect(.scrollView, on: .iOS(.v15...)) { (view: UIScrollView) in
    |                                                   `- error: cannot convert value of type '()' to expected argument type 'PartialRangeFrom<PlatformViewVersion<iOSVersion, ScrollViewType, _>>'
139 |
140 |               view.decelerationRate = .fast
/Users/admin/builder/spi-builder-workspace/Sources/SwiftUIRingSlider/SwiftUIRingSlider.swift:138:48: error: type 'UnboundedRange_' has no member 'v15'
136 |             .sensoryFeedback(.selection, trigger: value)
137 |             .scrollIndicators(.hidden)
138 |             .introspect(.scrollView, on: .iOS(.v15...)) { (view: UIScrollView) in
    |                                                `- error: type 'UnboundedRange_' has no member 'v15'
139 |
140 |               view.decelerationRate = .fast
/Users/admin/builder/spi-builder-workspace/Sources/SwiftUIRingSlider/SwiftUIRingSlider.swift:140:40: error: cannot infer contextual base in reference to member 'fast'
138 |             .introspect(.scrollView, on: .iOS(.v15...)) { (view: UIScrollView) in
139 |
140 |               view.decelerationRate = .fast
    |                                        `- error: cannot infer contextual base in reference to member 'fast'
141 |
142 |               uiProxy.contentOffsetObservation?.invalidate()
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/SwiftUIRingSlider/SwiftUIRingSlider.swift -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftUIRingSlider.build/Debug/SwiftUIRingSlider-t.build/Objects-normal/arm64/SwiftUIRingSlider.d -emit-const-values-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftUIRingSlider.build/Debug/SwiftUIRingSlider-t.build/Objects-normal/arm64/SwiftUIRingSlider.swiftconstvalues -emit-reference-dependencies-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftUIRingSlider.build/Debug/SwiftUIRingSlider-t.build/Objects-normal/arm64/SwiftUIRingSlider.swiftdeps -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftUIRingSlider.build/Debug/SwiftUIRingSlider-t.build/Objects-normal/arm64/SwiftUIRingSlider.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/SwiftUIRingSlider.build/Debug/SwiftUIRingSlider-t.build/Objects-normal/arm64/SwiftUIRingSlider-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 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/SwiftUIRingSlider.build/Debug/SwiftUIRingSlider-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftUIRingSlider.build/Debug/SwiftUIRingSlider-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftUIRingSlider.build/Debug/SwiftUIRingSlider-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name SwiftUIRingSlider -package-name spi_builder_workspace -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftUIRingSlider.build/Debug/SwiftUIRingSlider-t.build/Objects-normal/arm64/SwiftUIRingSlider_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/SwiftUIRingSlider.build/Debug/SwiftUIRingSlider-t.build/Objects-normal/arm64/SwiftUIRingSlider.o -debug-module-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftUIRingSlider.build/Debug/SwiftUIRingSlider-t.build/Objects-normal/arm64/SwiftUIRingSlider.swiftmodule -index-unit-output-path /SwiftUIRingSlider.build/Debug/SwiftUIRingSlider-t.build/Objects-normal/arm64/SwiftUIRingSlider.o -index-store-path /Users/admin/builder/spi-builder-workspace/.build/out -index-system-modules
error: Build failed
BUILD FAILURE 6.4 macosSpm