UIViewPreview – Build Information

Build Information

Failed to build UIViewPreview, reference master (c539cf), with Swift 6.4 for macOS (SPM) on 16 Sep 2026 15:39:22 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/bielikb/UIViewPreview.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/bielikb/UIViewPreview
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at c539cf2 badges
Cloned https://github.com/bielikb/UIViewPreview.git
Revision (git rev-parse @):
c539cf207b76c2903260e2c38afd7df01d64ac66
SUCCESS checkout https://github.com/bielikb/UIViewPreview.git at master
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/bielikb/UIViewPreview.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] UIViewPreview
[30 / 97]
[33 / 97]
[41 / 97]
[43 / 97]
[44 / 97]
[49 / 97]
[52 / 97]
[55 / 97]
[61 / 97]
[64 / 97]
[66 / 97]
[67 / 97]
[77 / 97]
[79 / 97]
[80 / 97]
[83 / 97]
[85 / 97]
error: SwiftCompile normal arm64 failed with a nonzero exit code. Command line:     cd /Users/admin/builder

/Users/admin/builder/spi-builder-workspace/Sources/UIViewPreview/UIViewPreview.swift:4:39: [1;31merror: [1;39mcannot find type 'UIView' in scope[0;0m
 [0;36m2 |[0;0m     import SwiftUI
 [0;36m3 |[0;0m
 [0;36m4 |[0;0m     public struct UIViewPreview<View: [4;39mUIView[0;0m>: UIViewRepresentable {
   [0;36m|[0;0m                                       `- [1;31merror: [1;39mcannot find type 'UIView' in scope[0;0m
 [0;36m5 |[0;0m         public let view: View
 [0;36m6 |[0;0m         public init(_ builder: @escaping () -> View) {
/Users/admin/builder/spi-builder-workspace/Sources/UIViewPreview/UIViewPreview.swift:10:53: [1;31merror: [1;39mcannot find type 'UIView' in scope[0;0m
 [0;36m8 |[0;0m         }
 [0;36m9 |[0;0m         // MARK: - UIViewRepresentable
[0;36m10 |[0;0m         public func makeUIView(context: Context) -> [4;39mUIView[0;0m {
   [0;36m|[0;0m                                                     `- [1;31merror: [1;39mcannot find type 'UIView' in scope[0;0m
[0;36m11 |[0;0m             return view
[0;36m12 |[0;0m         }
/Users/admin/builder/spi-builder-workspace/Sources/UIViewPreview/UIViewPreview.swift:10:41: [1;31merror: [1;39mcannot find type 'Context' in scope[0;0m
 [0;36m8 |[0;0m         }
 [0;36m9 |[0;0m         // MARK: - UIViewRepresentable
[0;36m10 |[0;0m         public func makeUIView(context: [4;39mContext[0;0m) -> UIView {
   [0;36m|[0;0m                                         `- [1;31merror: [1;39mcannot find type 'Context' in scope[0;0m
[0;36m11 |[0;0m             return view
[0;36m12 |[0;0m         }
/Users/admin/builder/spi-builder-workspace/Sources/UIViewPreview/UIViewPreview.swift:13:42: [1;31merror: [1;39mcannot find type 'UIView' in scope[0;0m
[0;36m11 |[0;0m             return view
[0;36m12 |[0;0m         }
[0;36m13 |[0;0m         public func updateUIView(_ view: [4;39mUIView[0;0m, context: Context) {
   [0;36m|[0;0m                                          `- [1;31merror: [1;39mcannot find type 'UIView' in scope[0;0m
[0;36m14 |[0;0m             view.setContentHuggingPriority(.defaultHigh, for: .horizontal)
[0;36m15 |[0;0m             view.setContentHuggingPriority(.defaultHigh, for: .vertical)
/Users/admin/builder/spi-builder-workspace/Sources/UIViewPreview/UIViewPreview.swift:13:59: [1;31merror: [1;39mcannot find type 'Context' in scope[0;0m
[0;36m11 |[0;0m             return view
[0;36m12 |[0;0m         }
[0;36m13 |[0;0m         public func updateUIView(_ view: UIView, context: [4;39mContext[0;0m) {
   [0;36m|[0;0m                                                           `- [1;31merror: [1;39mcannot find type 'Context' in scope[0;0m
[0;36m14 |[0;0m             view.setContentHuggingPriority(.defaultHigh, for: .horizontal)
[0;36m15 |[0;0m             view.setContentHuggingPriority(.defaultHigh, for: .vertical)
/Users/admin/builder/spi-builder-workspace/Sources/UIViewPreview/UIViewPreview.swift:4:48: [1;31merror: [1;39mcannot find type 'UIViewRepresentable' in scope[0;0m
 [0;36m2 |[0;0m     import SwiftUI
 [0;36m3 |[0;0m
 [0;36m4 |[0;0m     public struct UIViewPreview<View: UIView>: [4;39mUIViewRepresentable[0;0m {
   [0;36m|[0;0m                                                `- [1;31merror: [1;39mcannot find type 'UIViewRepresentable' in scope[0;0m
 [0;36m5 |[0;0m         public let view: View
 [0;36m6 |[0;0m         public init(_ builder: @escaping () -> View) {
/Users/admin/builder/spi-builder-workspace/Sources/UIViewPreview/UIViewPreview.swift:19:59: [1;31merror: [1;39mcannot find type 'UIViewController' in scope[0;0m
[0;36m17 |[0;0m     }
[0;36m18 |[0;0m
[0;36m19 |[0;0m     public struct UIViewControllerPreview<ViewController: [4;39mUIViewController[0;0m>: UIViewControllerRepresentable {
   [0;36m|[0;0m                                                           `- [1;31merror: [1;39mcannot find type 'UIViewController' in scope[0;0m
[0;36m20 |[0;0m         public let viewController: ViewController
[0;36m21 |[0;0m
/Users/admin/builder/spi-builder-workspace/Sources/UIViewPreview/UIViewPreview.swift:27:51: [1;31merror: [1;39mcannot find type 'Context' in scope[0;0m
[0;36m25 |[0;0m
[0;36m26 |[0;0m         // MARK: - UIViewControllerRepresentable
[0;36m27 |[0;0m         public func makeUIViewController(context: [4;39mContext[0;0m) -> ViewController {
   [0;36m|[0;0m                                                   `- [1;31merror: [1;39mcannot find type 'Context' in scope[0;0m
[0;36m28 |[0;0m             viewController
[0;36m29 |[0;0m         }
/Users/admin/builder/spi-builder-workspace/Sources/UIViewPreview/UIViewPreview.swift:34:89: [1;31merror: [1;39mcannot find type 'UIViewControllerRepresentableContext' in scope[0;0m
[0;36m32 |[0;0m         @available(OSX, unavailable)
[0;36m33 |[0;0m         @available(watchOS, unavailable)
[0;36m34 |[0;0m         public func updateUIViewController(_ uiViewController: ViewController, context: [4;39mUIViewControllerRepresentableContext[0;0m<UIViewControllerPreview<ViewController>>) {
   [0;36m|[0;0m                                                                                         `- [1;31merror: [1;39mcannot find type 'UIViewControllerRepresentableContext' in scope[0;0m
[0;36m35 |[0;0m             return
[0;36m36 |[0;0m         }
/Users/admin/builder/spi-builder-workspace/Sources/UIViewPreview/UIViewPreview.swift:19:78: [1;31merror: [1;39mcannot find type 'UIViewControllerRepresentable' in scope[0;0m
[0;36m17 |[0;0m     }
[0;36m18 |[0;0m
[0;36m19 |[0;0m     public struct UIViewControllerPreview<ViewController: UIViewController>: [4;39mUIViewControllerRepresentable[0;0m {
   [0;36m|[0;0m                                                                              `- [1;31merror: [1;39mcannot find type 'UIViewControllerRepresentable' in scope[0;0m
[0;36m20 |[0;0m         public let viewController: ViewController
[0;36m21 |[0;0m
Failed frontend command:
/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /Users/admin/builder/spi-builder-workspace/Sources/UIViewPreview/UIViewPreview.swift -target arm64-apple-macos12.0 -module-can-import-version SwiftUI 8.0.84.1 8.0.84 -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/UIViewPreview.build/Debug/UIViewPreview-t.build/Objects-normal/arm64/UIViewPreview-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/UIViewPreview.build/Debug/UIViewPreview-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/UIViewPreview.build/Debug/UIViewPreview-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/UIViewPreview.build/Debug/UIViewPreview-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name UIViewPreview -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/UIViewPreview.build/Debug/UIViewPreview-t.build/Objects-normal/arm64/UIViewPreview_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 -emit-module-doc-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/UIViewPreview.build/Debug/UIViewPreview-t.build/Objects-normal/arm64/UIViewPreview.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/UIViewPreview.build/Debug/UIViewPreview-t.build/Objects-normal/arm64/UIViewPreview.swiftsourceinfo -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/UIViewPreview.build/Debug/UIViewPreview-t.build/Objects-normal/arm64/UIViewPreview-Swift.h -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/UIViewPreview.build/Debug/UIViewPreview-t.build/Objects-normal/arm64/UIViewPreview-primary-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/UIViewPreview.build/Debug/UIViewPreview-t.build/Objects-normal/arm64/UIViewPreview-primary-emit-module.d -parse-as-library -o /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/UIViewPreview.build/Debug/UIViewPreview-t.build/Objects-normal/arm64/UIViewPreview.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/UIViewPreview.build/Debug/UIViewPreview-t.build/Objects-normal/arm64/UIViewPreview.abi.json
error: Build failed
BUILD FAILURE 6.4 macosSpm