Swift Package Index

Build Information

Failed to build EquallySpacedStack, reference 0.1.0 (14c07d), with Swift 6.4 for macOS (SPM) on 16 Sep 2026 06:49:37 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/alexito4/equallyspacedstack.git
Reference: 0.1.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/alexito4/equallyspacedstack
 * tag               0.1.0      -> FETCH_HEAD
HEAD is now at 14c07d5 public inits
Cloned https://github.com/alexito4/equallyspacedstack.git
Revision (git rev-parse @):
14c07d58a7df0ed55ee533ac62784ab410c8f759
SUCCESS checkout https://github.com/alexito4/equallyspacedstack.git at 0.1.0
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/alexito4/equallyspacedstack.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] EquallySpacedStack
[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/EquallySpacedStack/EquallySpacedStack.swift:30:66: error: generic type 'ForEach' specialized with too few type parameters (got 2, but expected 3)
28 |     // MARK: ForEach support
29 |
30 |     public init<Data, Content: View>(@ViewBuilder content: () -> ForEach<Data, Content>) {
   |                                                                  `- error: generic type 'ForEach' specialized with too few type parameters (got 2, but expected 3)
31 |         let views = content()
32 |         self.items = views.data.map({ AnyView(views.content($0.identifiedValue)) })
SwiftUI.ForEach:2:15: note: generic struct 'ForEach' declared here
1 | @available(iOS 13.0, macOS 10.15, tvOS 13.0, watchOS 6.0, *)
2 | public struct ForEach<Data, ID, Content> : ~Sendable where Data : RandomAccessCollection, ID : Hashable {
  |               `- note: generic struct 'ForEach' declared here
3 |     public var data: Data
4 |     public var content: (Data.Element) -> Content
/Users/admin/builder/spi-builder-workspace/Sources/EquallySpacedStack/EquallySpacedStack.swift:30:38: error: result builder attribute 'ViewBuilder' can only be applied to a parameter of function type
28 |     // MARK: ForEach support
29 |
30 |     public init<Data, Content: View>(@ViewBuilder content: () -> ForEach<Data, Content>) {
   |                                      `- error: result builder attribute 'ViewBuilder' can only be applied to a parameter of function type
31 |         let views = content()
32 |         self.items = views.data.map({ AnyView(views.content($0.identifiedValue)) })
/Users/admin/builder/spi-builder-workspace/Sources/EquallySpacedStack/EquallySpacedStack.swift:72:66: error: generic type 'ForEach' specialized with too few type parameters (got 2, but expected 3)
70 |     // MARK: ForEach support
71 |
72 |     public init<Data, Content: View>(@ViewBuilder content: () -> ForEach<Data, Content>) {
   |                                                                  `- error: generic type 'ForEach' specialized with too few type parameters (got 2, but expected 3)
73 |         let views = content()
74 |         self.items = views.data.map({ AnyView(views.content($0.identifiedValue)) })
SwiftUI.ForEach:2:15: note: generic struct 'ForEach' declared here
1 | @available(iOS 13.0, macOS 10.15, tvOS 13.0, watchOS 6.0, *)
2 | public struct ForEach<Data, ID, Content> : ~Sendable where Data : RandomAccessCollection, ID : Hashable {
  |               `- note: generic struct 'ForEach' declared here
3 |     public var data: Data
4 |     public var content: (Data.Element) -> Content
/Users/admin/builder/spi-builder-workspace/Sources/EquallySpacedStack/EquallySpacedStack.swift:72:38: error: result builder attribute 'ViewBuilder' can only be applied to a parameter of function type
70 |     // MARK: ForEach support
71 |
72 |     public init<Data, Content: View>(@ViewBuilder content: () -> ForEach<Data, Content>) {
   |                                      `- error: result builder attribute 'ViewBuilder' can only be applied to a parameter of function type
73 |         let views = content()
74 |         self.items = views.data.map({ AnyView(views.content($0.identifiedValue)) })
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/EquallySpacedStack/EquallySpacedStack.swift -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/EquallySpacedStack.build/Debug/EquallySpacedStack-t.build/Objects-normal/arm64/EquallySpacedStack-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/EquallySpacedStack.build/Debug/EquallySpacedStack-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/EquallySpacedStack.build/Debug/EquallySpacedStack-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/EquallySpacedStack.build/Debug/EquallySpacedStack-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name EquallySpacedStack -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/EquallySpacedStack.build/Debug/EquallySpacedStack-t.build/Objects-normal/arm64/EquallySpacedStack_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/EquallySpacedStack.build/Debug/EquallySpacedStack-t.build/Objects-normal/arm64/EquallySpacedStack.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/EquallySpacedStack.build/Debug/EquallySpacedStack-t.build/Objects-normal/arm64/EquallySpacedStack.swiftsourceinfo -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/EquallySpacedStack.build/Debug/EquallySpacedStack-t.build/Objects-normal/arm64/EquallySpacedStack-Swift.h -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/EquallySpacedStack.build/Debug/EquallySpacedStack-t.build/Objects-normal/arm64/EquallySpacedStack-primary-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/EquallySpacedStack.build/Debug/EquallySpacedStack-t.build/Objects-normal/arm64/EquallySpacedStack-primary-emit-module.d -parse-as-library -o /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/EquallySpacedStack.build/Debug/EquallySpacedStack-t.build/Objects-normal/arm64/EquallySpacedStack.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/EquallySpacedStack.build/Debug/EquallySpacedStack-t.build/Objects-normal/arm64/EquallySpacedStack.abi.json
error: Build failed
BUILD FAILURE 6.4 macosSpm