Swift Package Index

Build Information

Failed to build Sankey, reference master (1440b4), with Swift 6.4 for macOS (SPM) on 21 Sep 2026 14:17:18 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/maxhumber/Sankey.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/maxhumber/Sankey
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 1440b44 minor readme corrections
Cloned https://github.com/maxhumber/Sankey.git
Revision (git rev-parse @):
1440b44c5f58fb006364fd260bed05b7d6ad67f9
SUCCESS checkout https://github.com/maxhumber/Sankey.git at master
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/maxhumber/Sankey.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64
Building for debugging...
[Planning 4 / 95]
[Planning deferred tasks]
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[34 / 43] Sankey
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[115 / 124] Sankey
error: SwiftCompile normal arm64 failed with a nonzero exit code. Command line:     cd /Users/admin/builder

/Users/admin/builder/spi-builder-workspace/Sources/SankeyDiagram.swift:4:30: error: cannot find type 'UIViewRepresentable' in scope
  2 | import WebKit
  3 |
  4 | public struct SankeyDiagram: UIViewRepresentable {
    |                              `- error: cannot find type 'UIViewRepresentable' in scope
  5 |     @Environment(\.colorScheme) private var colorScheme: ColorScheme
  6 |     public var data: SankeyData
/Users/admin/builder/spi-builder-workspace/Sources/SankeyDiagram.swift:13:37: error: cannot find type 'Context' in scope
 11 |     }
 12 |
 13 |     public func makeUIView(context: Context) -> WKWebView {
    |                                     `- error: cannot find type 'Context' in scope
 14 |         let webView = WKWebView()
 15 |         webView.isOpaque = false
/Users/admin/builder/spi-builder-workspace/Sources/SankeyDiagram.swift:21:61: error: cannot find type 'Context' in scope
 19 |     }
 20 |
 21 |     public func updateUIView(_ webView: WKWebView, context: Context) {
    |                                                             `- error: cannot find type 'Context' in scope
 22 |         loadHTML(webView)
 23 |     }
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/.build/out/Intermediates.noindex/Sankey.build/Debug/Sankey-t.build/DerivedSources/resource_bundle_accessor.swift /Users/admin/builder/spi-builder-workspace/Sources/Deprecated/SankeyDiagram+deprecated.swift /Users/admin/builder/spi-builder-workspace/Sources/Deprecated/SankeyLink+deprecated.swift /Users/admin/builder/spi-builder-workspace/Sources/Helpers/Color+.swift /Users/admin/builder/spi-builder-workspace/Sources/Helpers/HexColor.swift /Users/admin/builder/spi-builder-workspace/Sources/SankeyData.swift /Users/admin/builder/spi-builder-workspace/Sources/SankeyDiagram.swift /Users/admin/builder/spi-builder-workspace/Sources/SankeyLink.swift /Users/admin/builder/spi-builder-workspace/Sources/SankeyNode.swift /Users/admin/builder/spi-builder-workspace/Sources/SankeyOptions.swift /Users/admin/builder/spi-builder-workspace/Sources/SankeyResources.swift -target arm64-apple-macos12.0 -disable-cross-import-overlay-search -swift-module-cross-import WebKit /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/Cryptexes/OS/System/Library/Frameworks/WebKit.framework/Modules/WebKit.swiftcrossimport/SwiftUI.swiftoverlay -swift-module-cross-import WebKit /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk/System/Library/Frameworks/WebKit.framework/Modules/WebKit.swiftcrossimport/SwiftUI.swiftoverlay -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/Sankey.build/Debug/Sankey-t.build/Objects-normal/arm64/Sankey-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/Sankey.build/Debug/Sankey-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Sankey.build/Debug/Sankey-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Sankey.build/Debug/Sankey-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name Sankey -package-name spi_builder_workspace -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Sankey.build/Debug/Sankey-t.build/Objects-normal/arm64/Sankey_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/Sankey.build/Debug/Sankey-t.build/Objects-normal/arm64/Sankey.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Sankey.build/Debug/Sankey-t.build/Objects-normal/arm64/Sankey.swiftsourceinfo -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Sankey.build/Debug/Sankey-t.build/Objects-normal/arm64/Sankey-Swift.h -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Sankey.build/Debug/Sankey-t.build/Objects-normal/arm64/Sankey-primary-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Sankey.build/Debug/Sankey-t.build/Objects-normal/arm64/Sankey-primary-emit-module.d -parse-as-library -o /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Sankey.build/Debug/Sankey-t.build/Objects-normal/arm64/Sankey.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Sankey.build/Debug/Sankey-t.build/Objects-normal/arm64/Sankey.abi.json
error: Build failed
BUILD FAILURE 6.4 macosSpm