Storybook – Build Information – Swift Package Index

Build Information

Failed to build Storybook, reference 2.1.1 (7cd99c), with Swift 6.4 for macOS (SPM) on 23 Sep 2026 23:09:59 UTC.

Build Command

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

Build 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/aj-bartocci/Storybook-SwiftUI.git
Reference: 2.1.1
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/aj-bartocci/Storybook-SwiftUI
 * tag               2.1.1      -> FETCH_HEAD
HEAD is now at 7cd99c8 make search bar accessible (#9)
Cloned https://github.com/aj-bartocci/Storybook-SwiftUI.git
Revision (git rev-parse @):
7cd99c800761170dfb67eb955465678ee261e04e
SUCCESS checkout https://github.com/aj-bartocci/Storybook-SwiftUI.git at 2.1.1
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Build
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Selected platform:         macosSpm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/aj-bartocci/Storybook-SwiftUI.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 / 95]
[Planning deferred tasks]
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error: SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Storybook/Views/StorybookCollectionMac.swift failed with a nonzero exit code. Command line:     cd /Users/admin/builder
    builtin-SwiftPerFileCompile StorybookCollectionMac.swift
/Users/admin/builder/spi-builder-workspace/Sources/Storybook/Views/StorybookCollectionMac.swift:71:10: [1;31merror: [1;39mfunction opaque return type was inferred as '_ConditionalContent<some View, NavigationLink<some View, some View>>', which defines the opaque type in terms of itself[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/opaque-type-inference\OpaqueTypeInference]8;;\]
 [0;36m69 |[0;0m
 [0;36m70 |[0;0m     @ViewBuilder
 [0;36m71 |[0;0m     func destinationContent(for destination: StorybookEntry.Destination) -> some View {
    [0;36m|[0;0m          `- [1;31merror: [1;39mfunction opaque return type was inferred as '_ConditionalContent<some View, NavigationLink<some View, some View>>', which defines the opaque type in terms of itself[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/opaque-type-inference\OpaqueTypeInference]8;;\]
 [0;36m72 |[0;0m         switch destination {
 [0;36m73 |[0;0m         case .entry(let nestedEntry):
/Users/admin/builder/spi-builder-workspace/Sources/Storybook/Views/StorybookCollectionMac.swift:85:10: [1;31merror: [1;39mfunction opaque return type was inferred as 'DisclosureGroup<some View, ForEach<[StorybookEntry.Destination], String, some View>>', which defines the opaque type in terms of itself[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/opaque-type-inference\OpaqueTypeInference]8;;\]
 [0;36m83 |[0;0m
 [0;36m84 |[0;0m     @ViewBuilder
 [0;36m85 |[0;0m     func navContent(for entry: StorybookEntry) -> some View {
    [0;36m|[0;0m          `- [1;31merror: [1;39mfunction opaque return type was inferred as 'DisclosureGroup<some View, ForEach<[StorybookEntry.Destination], String, some View>>', which defines the opaque type in terms of itself[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/opaque-type-inference\OpaqueTypeInference]8;;\]
 [0;36m86 |[0;0m         DisclosureGroup(content: {
 [0;36m87 |[0;0m             ForEach(entry.destinations) { destination in
[#OpaqueTypeInference]: <https://docs.swift.org/compiler/documentation/diagnostics/opaque-type-inference>
Failed frontend command:
/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -frontend -c /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Storybook.build/Debug/Storybook-t.build/DerivedSources/resource_bundle_accessor.swift /Users/admin/builder/spi-builder-workspace/Sources/Storybook/PreviewAdditions/ControlledPreview+Utils.swift /Users/admin/builder/spi-builder-workspace/Sources/Storybook/PreviewAdditions/ControlledPreview.swift /Users/admin/builder/spi-builder-workspace/Sources/Storybook/PreviewAdditions/Controls.swift /Users/admin/builder/spi-builder-workspace/Sources/Storybook/PreviewAdditions/Controls/ColorSchemeControl.swift /Users/admin/builder/spi-builder-workspace/Sources/Storybook/PreviewAdditions/Controls/ControlConstants.swift /Users/admin/builder/spi-builder-workspace/Sources/Storybook/PreviewAdditions/Controls/ControlHelpers.swift /Users/admin/builder/spi-builder-workspace/Sources/Storybook/PreviewAdditions/Controls/DocumentationControl.swift /Users/admin/builder/spi-builder-workspace/Sources/Storybook/PreviewAdditions/Controls/DynamicTypeControl.swift /Users/admin/builder/spi-builder-workspace/Sources/Storybook/PreviewAdditions/Controls/ScreenSizeControl.swift /Users/admin/builder/spi-builder-workspace/Sources/Storybook/PreviewAdditions/Controls/TextFieldControl.swift /Users/admin/builder/spi-builder-workspace/Sources/Storybook/PreviewAdditions/StorybookControlContext.swift /Users/admin/builder/spi-builder-workspace/Sources/Storybook/PreviewAdditions/Utilities/Image+Utils.swift /Users/admin/builder/spi-builder-workspace/Sources/Storybook/Storybook.swift /Users/admin/builder/spi-builder-workspace/Sources/Storybook/StorybookCollectionData.swift /Users/admin/builder/spi-builder-workspace/Sources/Storybook/Views/SearchBar.swift /Users/admin/builder/spi-builder-workspace/Sources/Storybook/Views/StorybookCollection.swift -primary-file /Users/admin/builder/spi-builder-workspace/Sources/Storybook/Views/StorybookCollectionMac.swift -primary-file /Users/admin/builder/spi-builder-workspace/Sources/Storybook/Views/StorybookCollectionViewModel.swift /Users/admin/builder/spi-builder-workspace/Sources/Storybook/Views/StorybookEntryView.swift /Users/admin/builder/spi-builder-workspace/Sources/Storybook/Views/StorybookFolder.swift /Users/admin/builder/spi-builder-workspace/Sources/Storybook/Views/StorybookPage.swift /Users/admin/builder/spi-builder-workspace/Sources/Storybook/Views/TagsView.swift -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Storybook.build/Debug/Storybook-t.build/Objects-normal/arm64/StorybookCollectionMac.d -emit-const-values-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Storybook.build/Debug/Storybook-t.build/Objects-normal/arm64/StorybookCollectionMac.swiftconstvalues -emit-reference-dependencies-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Storybook.build/Debug/Storybook-t.build/Objects-normal/arm64/StorybookCollectionMac.swiftdeps -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Storybook.build/Debug/Storybook-t.build/Objects-normal/arm64/StorybookCollectionMac.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Storybook.build/Debug/Storybook-t.build/Objects-normal/arm64/StorybookCollectionViewModel.d -emit-const-values-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Storybook.build/Debug/Storybook-t.build/Objects-normal/arm64/StorybookCollectionViewModel.swiftconstvalues -emit-reference-dependencies-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Storybook.build/Debug/Storybook-t.build/Objects-normal/arm64/StorybookCollectionViewModel.swiftdeps -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Storybook.build/Debug/Storybook-t.build/Objects-normal/arm64/StorybookCollectionViewModel.dia -target arm64-apple-macos12.0 -module-can-import-version AppKit 2775.10.103.1 2775.10.103 -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/Storybook.build/Debug/Storybook-t.build/Objects-normal/arm64/Storybook-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_AVAILABLE -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/Storybook.build/Debug/Storybook-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Storybook.build/Debug/Storybook-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Storybook.build/Debug/Storybook-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name Storybook -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Storybook.build/Debug/Storybook-t.build/Objects-normal/arm64/Storybook_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/Storybook.build/Debug/Storybook-t.build/Objects-normal/arm64/StorybookCollectionMac.o -o /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Storybook.build/Debug/Storybook-t.build/Objects-normal/arm64/StorybookCollectionViewModel.o -debug-module-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Storybook.build/Debug/Storybook-t.build/Objects-normal/arm64/Storybook.swiftmodule -index-unit-output-path /Storybook.build/Debug/Storybook-t.build/Objects-normal/arm64/StorybookCollectionMac.o -index-unit-output-path /Storybook.build/Debug/Storybook-t.build/Objects-normal/arm64/StorybookCollectionViewModel.o -index-store-path /Users/admin/builder/spi-builder-workspace/.build/out -index-system-modules
error: Build failed
BUILD FAILURE 6.4 macosSpm