Swift Package Index

Build Information

Failed to build SimpleCalendar, reference main (86793d), with Swift 6.4 for macOS (SPM) on 19 Sep 2026 16:46:39 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/ppeelen/SimpleCalendar.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/ppeelen/SimpleCalendar
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 86793d8 Corrected badge in readme
Cloned https://github.com/ppeelen/SimpleCalendar.git
Revision (git rev-parse @):
86793d8912607790b61b2737be060b09ecc1bd0e
SUCCESS checkout https://github.com/ppeelen/SimpleCalendar.git at main
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/ppeelen/SimpleCalendar.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]
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/Users/admin/builder/spi-builder-workspace/Sources/SimpleCalendar/Extensions/File.swift:43:1: warning: extension declares a conformance of imported type 'Color' to imported protocols 'Decodable', 'Encodable'; this will not behave correctly if the owners of 'SwiftUICore' introduce this conformance in the future
41 | }
42 |
43 | extension Color: Codable {
   | |- warning: extension declares a conformance of imported type 'Color' to imported protocols 'Decodable', 'Encodable'; this will not behave correctly if the owners of 'SwiftUICore' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
44 |     enum CodingKeys: String, CodingKey {
45 |         case red, green, blue
error: SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/SimpleCalendar/Views/EventDetailsView.swift failed with a nonzero exit code. Command line:     cd /Users/admin/builder
    builtin-SwiftPerFileCompile EventDetailsView.swift
/Users/admin/builder/spi-builder-workspace/Sources/SimpleCalendar/Views/EventDetailsView.swift:39:26: error: 'fontWeight' is only available in macOS 13.0 or newer
 7 | import SwiftUI
 8 |
 9 | struct EventDetailsView: View {
   |        `- note: add '@available' attribute to enclosing struct
10 |     let event: any CalendarEventRepresentable
11 |
12 |     var body: some View {
   |         `- note: add '@available' attribute to enclosing property
13 |         VStack(alignment: .leading) {
14 |             ZStack {
   :
37 |                         .padding(.vertical, 20)
38 |                         .font(.body)
39 |                         .fontWeight(.light)
   |                          |- error: 'fontWeight' is only available in macOS 13.0 or newer
   |                          `- note: add 'if #available' version check
40 |                         .dynamicTypeSize(DynamicTypeSize.small ... DynamicTypeSize.large)
41 |                     if !event.calendarActivity.mentors.isEmpty {
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/Sources/SimpleCalendar/Entities/CalendarActivity.swift /Users/admin/builder/spi-builder-workspace/Sources/SimpleCalendar/Entities/CalendarEvent.swift /Users/admin/builder/spi-builder-workspace/Sources/SimpleCalendar/Extensions/Date+Formatting.swift /Users/admin/builder/spi-builder-workspace/Sources/SimpleCalendar/Extensions/File.swift /Users/admin/builder/spi-builder-workspace/Sources/SimpleCalendar/SimpleCalendarView.swift /Users/admin/builder/spi-builder-workspace/Sources/SimpleCalendar/Views/CalendarContentView.swift /Users/admin/builder/spi-builder-workspace/Sources/SimpleCalendar/Views/CalendarPageView.swift /Users/admin/builder/spi-builder-workspace/Sources/SimpleCalendar/Views/CalendarTimelineView.swift -primary-file /Users/admin/builder/spi-builder-workspace/Sources/SimpleCalendar/Views/EventDetailsView.swift /Users/admin/builder/spi-builder-workspace/Sources/SimpleCalendar/Views/EventView.swift -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SimpleCalendar.build/Debug/SimpleCalendar-t.build/Objects-normal/arm64/EventDetailsView.d -emit-const-values-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SimpleCalendar.build/Debug/SimpleCalendar-t.build/Objects-normal/arm64/EventDetailsView.swiftconstvalues -emit-reference-dependencies-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SimpleCalendar.build/Debug/SimpleCalendar-t.build/Objects-normal/arm64/EventDetailsView.swiftdeps -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SimpleCalendar.build/Debug/SimpleCalendar-t.build/Objects-normal/arm64/EventDetailsView.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/SimpleCalendar.build/Debug/SimpleCalendar-t.build/Objects-normal/arm64/SimpleCalendar-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/SimpleCalendar.build/Debug/SimpleCalendar-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SimpleCalendar.build/Debug/SimpleCalendar-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SimpleCalendar.build/Debug/SimpleCalendar-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name SimpleCalendar -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SimpleCalendar.build/Debug/SimpleCalendar-t.build/Objects-normal/arm64/SimpleCalendar_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/SimpleCalendar.build/Debug/SimpleCalendar-t.build/Objects-normal/arm64/EventDetailsView.o -debug-module-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SimpleCalendar.build/Debug/SimpleCalendar-t.build/Objects-normal/arm64/SimpleCalendar.swiftmodule -index-unit-output-path /SimpleCalendar.build/Debug/SimpleCalendar-t.build/Objects-normal/arm64/EventDetailsView.o -index-store-path /Users/admin/builder/spi-builder-workspace/.build/out -index-system-modules
error: SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/SimpleCalendar/SimpleCalendarView.swift failed with a nonzero exit code. Command line:     cd /Users/admin/builder
    builtin-SwiftPerFileCompile SimpleCalendarView.swift
/Users/admin/builder/spi-builder-workspace/Sources/SimpleCalendar/SimpleCalendarView.swift:169:41: error: 'topBarTrailing' is unavailable in macOS
167 |             }
168 |             .toolbar {
169 |                 ToolbarItem(placement: .topBarTrailing) {
    |                                         `- error: 'topBarTrailing' is unavailable in macOS
170 |                     ZStack {
171 |                         switch dateSelectionStyle {
SwiftUI.ToolbarItemPlacement.topBarTrailing:5:21: note: 'topBarTrailing' has been explicitly marked unavailable here
3 |   @backDeployed(before: iOS 17.0, tvOS 17.0)
4 |   @available(macOS, unavailable)
5 |   public static var topBarTrailing: ToolbarItemPlacement { get }}
  |                     `- note: 'topBarTrailing' has been explicitly marked unavailable here
6 |
/Users/admin/builder/spi-builder-workspace/Sources/SimpleCalendar/SimpleCalendarView.swift:331:13: error: 'NavigationStack' is only available in macOS 13.0 or newer
256 | }
257 |
258 | struct ScheduleView_Previews: PreviewProvider {
    |        `- note: add '@available' attribute to enclosing struct
259 |     static var previews: some View {
    |                `- note: add '@available' attribute to enclosing static property
260 |         // swiftlint:disable force_unwrapping
261 |         let dateEvent1 = Calendar.current.date(bySettingHour: 9, minute: 0, second: 0, of: Date())!
    :
329 |
330 |         return Group {
331 |             NavigationStack {
    |             |- error: 'NavigationStack' is only available in macOS 13.0 or newer
    |             `- note: add 'if #available' version check
332 |                 SimpleCalendarView(
333 |                     events: .constant(events),
/Users/admin/builder/spi-builder-workspace/Sources/SimpleCalendar/SimpleCalendarView.swift:341:13: error: 'NavigationStack' is only available in macOS 13.0 or newer
256 | }
257 |
258 | struct ScheduleView_Previews: PreviewProvider {
    |        `- note: add '@available' attribute to enclosing struct
259 |     static var previews: some View {
    |                `- note: add '@available' attribute to enclosing static property
260 |         // swiftlint:disable force_unwrapping
261 |         let dateEvent1 = Calendar.current.date(bySettingHour: 9, minute: 0, second: 0, of: Date())!
    :
339 |             .preferredColorScheme(.light)
340 |
341 |             NavigationStack {
    |             |- error: 'NavigationStack' is only available in macOS 13.0 or newer
    |             `- note: add 'if #available' version check
342 |                 SimpleCalendarView(
343 |                     events: .constant(events),
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/Sources/SimpleCalendar/Entities/CalendarActivity.swift /Users/admin/builder/spi-builder-workspace/Sources/SimpleCalendar/Entities/CalendarEvent.swift /Users/admin/builder/spi-builder-workspace/Sources/SimpleCalendar/Extensions/Date+Formatting.swift /Users/admin/builder/spi-builder-workspace/Sources/SimpleCalendar/Extensions/File.swift -primary-file /Users/admin/builder/spi-builder-workspace/Sources/SimpleCalendar/SimpleCalendarView.swift /Users/admin/builder/spi-builder-workspace/Sources/SimpleCalendar/Views/CalendarContentView.swift /Users/admin/builder/spi-builder-workspace/Sources/SimpleCalendar/Views/CalendarPageView.swift /Users/admin/builder/spi-builder-workspace/Sources/SimpleCalendar/Views/CalendarTimelineView.swift /Users/admin/builder/spi-builder-workspace/Sources/SimpleCalendar/Views/EventDetailsView.swift /Users/admin/builder/spi-builder-workspace/Sources/SimpleCalendar/Views/EventView.swift -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SimpleCalendar.build/Debug/SimpleCalendar-t.build/Objects-normal/arm64/SimpleCalendarView.d -emit-const-values-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SimpleCalendar.build/Debug/SimpleCalendar-t.build/Objects-normal/arm64/SimpleCalendarView.swiftconstvalues -emit-reference-dependencies-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SimpleCalendar.build/Debug/SimpleCalendar-t.build/Objects-normal/arm64/SimpleCalendarView.swiftdeps -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SimpleCalendar.build/Debug/SimpleCalendar-t.build/Objects-normal/arm64/SimpleCalendarView.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/SimpleCalendar.build/Debug/SimpleCalendar-t.build/Objects-normal/arm64/SimpleCalendar-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/SimpleCalendar.build/Debug/SimpleCalendar-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SimpleCalendar.build/Debug/SimpleCalendar-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SimpleCalendar.build/Debug/SimpleCalendar-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name SimpleCalendar -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SimpleCalendar.build/Debug/SimpleCalendar-t.build/Objects-normal/arm64/SimpleCalendar_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/SimpleCalendar.build/Debug/SimpleCalendar-t.build/Objects-normal/arm64/SimpleCalendarView.o -debug-module-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SimpleCalendar.build/Debug/SimpleCalendar-t.build/Objects-normal/arm64/SimpleCalendar.swiftmodule -index-unit-output-path /SimpleCalendar.build/Debug/SimpleCalendar-t.build/Objects-normal/arm64/SimpleCalendarView.o -index-store-path /Users/admin/builder/spi-builder-workspace/.build/out -index-system-modules
error: SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/SimpleCalendar/Views/EventView.swift failed with a nonzero exit code. Command line:     cd /Users/admin/builder
    builtin-SwiftPerFileCompile EventView.swift
/Users/admin/builder/spi-builder-workspace/Sources/SimpleCalendar/Views/EventView.swift:45:26: error: 'presentationDetents' is only available in macOS 13.0 or newer
  8 | import SwiftUI
  9 |
 10 | struct EventView: View {
    |        `- note: add '@available' attribute to enclosing struct
 11 |     let event: any CalendarEventRepresentable
 12 |     let selectionAction: SelectionAction
    :
 15 |     @State private var showEventSheet = false
 16 |
 17 |     var body: some View {
    |         `- note: add '@available' attribute to enclosing property
 18 |         VStack {
 19 |             if case .destination(let customView) = selectionAction {
    :
 43 |                             }
 44 |                         }
 45 |                         .presentationDetents([.medium])
    |                          |- error: 'presentationDetents' is only available in macOS 13.0 or newer
    |                          `- note: add 'if #available' version check
 46 |                     }
 47 |             }
/Users/admin/builder/spi-builder-workspace/Sources/SimpleCalendar/Views/EventView.swift:64:34: error: 'fontWeight' is only available in macOS 13.0 or newer
  8 | import SwiftUI
  9 |
 10 | struct EventView: View {
    |        `- note: add '@available' attribute to enclosing struct
 11 |     let event: any CalendarEventRepresentable
 12 |     let selectionAction: SelectionAction
    :
 49 |     }
 50 |
 51 |     private var content: some View {
    |                 `- note: add '@available' attribute to enclosing property
 52 |         let mainColor = event.calendarActivity.activityType.color
 53 |         let endDate = event.startDate.addingTimeInterval(event.calendarActivity.duration)
    :
 62 |                                 .font(.caption)
 63 |                                 .padding(.top, 4)
 64 |                                 .fontWeight(.semibold)
    |                                  |- error: 'fontWeight' is only available in macOS 13.0 or newer
    |                                  `- note: add 'if #available' version check
 65 |                                 .dynamicTypeSize(.small ... .large)
 66 |                             Spacer()
/Users/admin/builder/spi-builder-workspace/Sources/SimpleCalendar/Views/EventView.swift:78:34: error: 'fontWeight' is only available in macOS 13.0 or newer
  8 | import SwiftUI
  9 |
 10 | struct EventView: View {
    |        `- note: add '@available' attribute to enclosing struct
 11 |     let event: any CalendarEventRepresentable
 12 |     let selectionAction: SelectionAction
    :
 49 |     }
 50 |
 51 |     private var content: some View {
    |                 `- note: add '@available' attribute to enclosing property
 52 |         let mainColor = event.calendarActivity.activityType.color
 53 |         let endDate = event.startDate.addingTimeInterval(event.calendarActivity.duration)
    :
 76 |                                 .font(.caption)
 77 |                                 .padding(.top, 4)
 78 |                                 .fontWeight(.semibold)
    |                                  |- error: 'fontWeight' is only available in macOS 13.0 or newer
    |                                  `- note: add 'if #available' version check
 79 |                                 .dynamicTypeSize(.small ... .large)
 80 |                             Spacer()
/Users/admin/builder/spi-builder-workspace/Sources/SimpleCalendar/Views/EventView.swift:92:26: error: 'fontWeight' is only available in macOS 13.0 or newer
  8 | import SwiftUI
  9 |
 10 | struct EventView: View {
    |        `- note: add '@available' attribute to enclosing struct
 11 |     let event: any CalendarEventRepresentable
 12 |     let selectionAction: SelectionAction
    :
 49 |     }
 50 |
 51 |     private var content: some View {
    |                 `- note: add '@available' attribute to enclosing property
 52 |         let mainColor = event.calendarActivity.activityType.color
 53 |         let endDate = event.startDate.addingTimeInterval(event.calendarActivity.duration)
    :
 90 |                         .font(.caption)
 91 |                         .padding(.top, 4)
 92 |                         .fontWeight(.semibold)
    |                          |- error: 'fontWeight' is only available in macOS 13.0 or newer
    |                          `- note: add 'if #available' version check
 93 |                         .dynamicTypeSize(.small ... .large)
 94 |                     if event.columnCount > 0 {
/Users/admin/builder/spi-builder-workspace/Sources/SimpleCalendar/Views/EventView.swift:110:26: error: 'fontWeight' is only available in macOS 13.0 or newer
  8 | import SwiftUI
  9 |
 10 | struct EventView: View {
    |        `- note: add '@available' attribute to enclosing struct
 11 |     let event: any CalendarEventRepresentable
 12 |     let selectionAction: SelectionAction
    :
 49 |     }
 50 |
 51 |     private var content: some View {
    |                 `- note: add '@available' attribute to enclosing property
 52 |         let mainColor = event.calendarActivity.activityType.color
 53 |         let endDate = event.startDate.addingTimeInterval(event.calendarActivity.duration)
    :
108 |                         .font(.caption)
109 |                         .padding(.top, 4)
110 |                         .fontWeight(.semibold)
    |                          |- error: 'fontWeight' is only available in macOS 13.0 or newer
    |                          `- note: add 'if #available' version check
111 |                         .dynamicTypeSize(.small ... .large)
112 |                     Text("\(event.startDate.formatted(date: .omitted, time: .shortened)) - \(endDate.formatted(date: .omitted, time: .shortened))")
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/Sources/SimpleCalendar/Entities/CalendarActivity.swift /Users/admin/builder/spi-builder-workspace/Sources/SimpleCalendar/Entities/CalendarEvent.swift /Users/admin/builder/spi-builder-workspace/Sources/SimpleCalendar/Extensions/Date+Formatting.swift /Users/admin/builder/spi-builder-workspace/Sources/SimpleCalendar/Extensions/File.swift /Users/admin/builder/spi-builder-workspace/Sources/SimpleCalendar/SimpleCalendarView.swift /Users/admin/builder/spi-builder-workspace/Sources/SimpleCalendar/Views/CalendarContentView.swift /Users/admin/builder/spi-builder-workspace/Sources/SimpleCalendar/Views/CalendarPageView.swift /Users/admin/builder/spi-builder-workspace/Sources/SimpleCalendar/Views/CalendarTimelineView.swift /Users/admin/builder/spi-builder-workspace/Sources/SimpleCalendar/Views/EventDetailsView.swift -primary-file /Users/admin/builder/spi-builder-workspace/Sources/SimpleCalendar/Views/EventView.swift -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SimpleCalendar.build/Debug/SimpleCalendar-t.build/Objects-normal/arm64/EventView.d -emit-const-values-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SimpleCalendar.build/Debug/SimpleCalendar-t.build/Objects-normal/arm64/EventView.swiftconstvalues -emit-reference-dependencies-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SimpleCalendar.build/Debug/SimpleCalendar-t.build/Objects-normal/arm64/EventView.swiftdeps -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SimpleCalendar.build/Debug/SimpleCalendar-t.build/Objects-normal/arm64/EventView.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/SimpleCalendar.build/Debug/SimpleCalendar-t.build/Objects-normal/arm64/SimpleCalendar-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/SimpleCalendar.build/Debug/SimpleCalendar-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SimpleCalendar.build/Debug/SimpleCalendar-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SimpleCalendar.build/Debug/SimpleCalendar-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name SimpleCalendar -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SimpleCalendar.build/Debug/SimpleCalendar-t.build/Objects-normal/arm64/SimpleCalendar_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/SimpleCalendar.build/Debug/SimpleCalendar-t.build/Objects-normal/arm64/EventView.o -debug-module-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SimpleCalendar.build/Debug/SimpleCalendar-t.build/Objects-normal/arm64/SimpleCalendar.swiftmodule -index-unit-output-path /SimpleCalendar.build/Debug/SimpleCalendar-t.build/Objects-normal/arm64/EventView.o -index-store-path /Users/admin/builder/spi-builder-workspace/.build/out -index-system-modules
error: Build failed
BUILD FAILURE 6.4 macosSpm