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Build Information

Failed to build HorizonCalendar with Swift 6.3 for watchOS using Xcode 26.4.

Build Command

Build command unavailable

Build Log

========================================
RunAll
========================================
Builder version: 5.0.2
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/airbnb/HorizonCalendar.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/airbnb/HorizonCalendar
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 2579274 Fix layout crash when the visible range changes (#348)
Cloned https://github.com/airbnb/HorizonCalendar.git
Revision (git rev-parse @):
257927434aecbc4a70163570b5ef40976f0428a2
SUCCESS checkout https://github.com/airbnb/HorizonCalendar.git at master
========================================
Build
========================================
Selected platform:         watchOS
Swift version:             6.3
Building package at path:  $PWD
https://github.com/airbnb/HorizonCalendar.git
Command line invocation:
    /Applications/Xcode-26.5.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
resolved source packages:
{
  "dependencies" : [
    {
      "identity" : "swift",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.2.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/airbnb/swift"
    }
  ],
  "manifest_display_name" : "HorizonCalendar",
  "name" : "HorizonCalendar",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "12.0"
    }
  ],
  "products" : [
    {
      "name" : "HorizonCalendar",
      "targets" : [
        "HorizonCalendar"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "swift_languages_versions" : [
    "5"
  ],
  "targets" : [
    {
      "c99name" : "HorizonCalendarTests",
      "module_type" : "SwiftTarget",
      "name" : "HorizonCalendarTests",
      "path" : "Tests",
      "sources" : [
        "CalendarContentTests.swift",
        "CalendarScrollViewTests.swift",
        "DayHelperTests.swift",
        "DayOfWeekPositionTests.swift",
        "FrameProviderTests.swift",
        "HorizontalMonthsLayoutOptionsTests.swift",
        "ItemViewReuseManagerTests.swift",
        "LayoutItemTypeEnumeratorTests.swift",
        "MonthHelperTests.swift",
        "MonthRowTests.swift",
        "MonthTests.swift",
        "PaginationHelpersTests.swift",
        "ScreenPixelAlignmentTests.swift",
        "ScrollMetricsMutatorTests.swift",
        "SubviewsManagerTests.swift",
        "VisibleItemsProviderTests.swift"
      ],
      "target_dependencies" : [
        "HorizonCalendar"
      ],
      "type" : "test"
    },
    {
      "c99name" : "HorizonCalendar",
      "module_type" : "SwiftTarget",
      "name" : "HorizonCalendar",
      "path" : "Sources",
      "product_memberships" : [
        "HorizonCalendar"
      ],
      "sources" : [
        "Internal/CGFloat+MaxLayoutValue.swift",
        "Internal/Calendar+Helpers.swift",
        "Internal/CalendarScrollView.swift",
        "Internal/ColorViewRepresentable.swift",
        "Internal/Dictionary+MutatingValueForKey.swift",
        "Internal/DoubleLayoutPassHelpers.swift",
        "Internal/FrameProvider.swift",
        "Internal/Hasher+CGRect.swift",
        "Internal/ItemView.swift",
        "Internal/ItemViewReuseManager.swift",
        "Internal/LayoutItem.swift",
        "Internal/LayoutItemTypeEnumerator.swift",
        "Internal/PaginationHelpers.swift",
        "Internal/ScreenPixelAlignment.swift",
        "Internal/ScrollMetricsMutator.swift",
        "Internal/ScrollToItemContext.swift",
        "Internal/SubviewInsertionIndexTracker.swift",
        "Internal/UIView+NoAnimation.swift",
        "Internal/VisibleItem.swift",
        "Internal/VisibleItemsProvider.swift",
        "Public/AnyCalendarItemModel.swift",
        "Public/CalendarItemModel.swift",
        "Public/CalendarItemViewRepresentable.swift",
        "Public/CalendarView.swift",
        "Public/CalendarViewContent.swift",
        "Public/CalendarViewProxy.swift",
        "Public/CalendarViewRepresentable.swift",
        "Public/CalendarViewScrollPosition.swift",
        "Public/Day.swift",
        "Public/DayOfWeekPosition.swift",
        "Public/DayRange.swift",
        "Public/DayRangeLayoutContext.swift",
        "Public/DaysOfTheWeekRowSeparatorOptions.swift",
        "Public/ItemViews/DayOfWeekView.swift",
        "Public/ItemViews/DayView.swift",
        "Public/ItemViews/DrawingConfig.swift",
        "Public/ItemViews/MonthGridBackgroundView.swift",
        "Public/ItemViews/MonthHeaderView.swift",
        "Public/ItemViews/Shape.swift",
        "Public/ItemViews/SwiftUIWrapperView.swift",
        "Public/Month.swift",
        "Public/MonthLayoutContext.swift",
        "Public/MonthRange.swift",
        "Public/MonthsLayout.swift",
        "Public/OverlaidItemLocation.swift",
        "Public/OverlayLayoutContext.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.8.1"
}
{
  "project" : {
    "configurations" : [
      "Debug",
      "Release"
    ],
    "name" : "HorizonCalendar",
    "schemes" : [
      "HorizonCalendar"
    ],
    "targets" : [
      "HorizonCalendar",
      "HorizonCalendarTests"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.5.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme HorizonCalendar -destination generic/platform=watchOS
Command line invocation:
    /Applications/Xcode-26.5.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath /Users/admin/builder/spi-builder-workspace/.derivedData build -scheme HorizonCalendar -destination generic/platform=watchOS
2026-09-04 06:55:28.657 xcodebuild[651:3909] Writing error result bundle to /var/folders/xq/y_g06wb113726d38xsyx71_h0000gn/T/ResultBundle_2026-04-09_06-55-0028.xcresult
xcodebuild: error: Unable to find a destination matching the provided destination specifier:
		{ generic:1, platform:watchOS }
	Available destinations for the "HorizonCalendar" scheme:
		{ platform:macOS, arch:arm64, variant:Mac Catalyst, id:fdb2c082d8fa68349354ce785e09139dc616a41e, name:My Mac }
		{ platform:macOS, arch:x86_64, variant:Mac Catalyst, id:fdb2c082d8fa68349354ce785e09139dc616a41e, name:My Mac }
		{ platform:macOS, arch:arm64, variant:Designed for [iPad,iPhone], id:fdb2c082d8fa68349354ce785e09139dc616a41e, name:My Mac }
		{ platform:iOS, id:dvtdevice-DVTiPhonePlaceholder-iphoneos:placeholder, name:Any iOS Device }
		{ platform:iOS Simulator, id:dvtdevice-DVTiOSDeviceSimulatorPlaceholder-iphonesimulator:placeholder, name:Any iOS Simulator Device }
		{ platform:macOS, variant:Mac Catalyst, name:Any Mac }
		{ platform:visionOS Simulator, arch:arm64, variant:Designed for [iPad,iPhone], id:C11ECEC2-17CF-4EEF-980C-A52A6C25BE4D, OS:26.4, name:Apple Vision Pro }
		{ platform:visionOS Simulator, arch:arm64, variant:Designed for [iPad,iPhone], id:0549357B-04FF-4851-96C3-17A10D69C533, OS:26.5, name:Apple Vision Pro }
		{ platform:iOS Simulator, arch:arm64, id:47CA58B5-0EFD-4378-8537-31F3D59C58D2, OS:26.4, name:iPad (A16) }
		{ platform:iOS Simulator, arch:arm64, id:C6D78A40-68A2-4D8E-A5C0-5138C59D1018, OS:26.5, name:iPad (A16) }
		{ platform:iOS Simulator, arch:arm64, id:FB2EDE92-F971-464D-996C-4CA2462E8BE2, OS:26.4, name:iPad Air 11-inch (M4) }
		{ platform:iOS Simulator, arch:arm64, id:83008AF1-0FE9-4227-864D-F843B211E83E, OS:26.5, name:iPad Air 11-inch (M4) }
		{ platform:iOS Simulator, arch:arm64, id:FCF08A7C-523E-46D8-83E2-6929D7D96734, OS:26.4, name:iPad Air 13-inch (M4) }
		{ platform:iOS Simulator, arch:arm64, id:E7374A0A-83AC-4184-89A6-C3CFA531FDF8, OS:26.5, name:iPad Air 13-inch (M4) }
		{ platform:iOS Simulator, arch:arm64, id:851A22B7-DBDA-48D7-A665-31AE388AE1D3, OS:26.4, name:iPad Pro 11-inch (M5) }
		{ platform:iOS Simulator, arch:arm64, id:3AE58432-F1C1-446C-B173-B401CC8BF1FF, OS:26.5, name:iPad Pro 11-inch (M5) }
		{ platform:iOS Simulator, arch:arm64, id:D6B07401-CC46-4C09-904D-A6A61409D880, OS:26.4, name:iPad Pro 13-inch (M5) }
		{ platform:iOS Simulator, arch:arm64, id:980BF92B-2940-43F8-BA08-F0266116484A, OS:26.5, name:iPad Pro 13-inch (M5) }
		{ platform:iOS Simulator, arch:arm64, id:D5478556-19FA-475E-B2CE-889A2D12F073, OS:26.4, name:iPad mini (A17 Pro) }
		{ platform:iOS Simulator, arch:arm64, id:C6C6015B-AABF-4630-9445-8C48096FDB56, OS:26.5, name:iPad mini (A17 Pro) }
		{ platform:iOS Simulator, arch:arm64, id:43346497-A367-425F-9CEF-C02A37E8F29E, OS:26.4, name:iPhone 17 }
		{ platform:iOS Simulator, arch:arm64, id:9268127F-43A8-4BA1-8705-70496A9EF409, OS:26.5, name:iPhone 17 }
		{ platform:iOS Simulator, arch:arm64, id:07043DBC-31CF-47ED-A6FE-F3E1F3C2688C, OS:26.4, name:iPhone 17 Pro }
		{ platform:iOS Simulator, arch:arm64, id:6EF97EAB-DC9F-4F5C-8A63-73EB5EA3ECD8, OS:26.5, name:iPhone 17 Pro }
		{ platform:iOS Simulator, arch:arm64, id:F94EB419-C1AD-4218-8AE7-90EE9C2A774A, OS:26.4, name:iPhone 17 Pro Max }
		{ platform:iOS Simulator, arch:arm64, id:FA9A0530-0C2E-4167-B569-E3A9B1184B23, OS:26.5, name:iPhone 17 Pro Max }
		{ platform:iOS Simulator, arch:arm64, id:6987624A-8D22-4688-99F4-90BA6666994A, OS:26.4, name:iPhone 17e }
		{ platform:iOS Simulator, arch:arm64, id:31AA1E49-BD6B-48D8-8D90-5BAB32BF569D, OS:26.5, name:iPhone 17e }
		{ platform:iOS Simulator, arch:arm64, id:322762B7-4B3B-412A-AF9A-32FB47DE46F3, OS:26.4, name:iPhone Air }
		{ platform:iOS Simulator, arch:arm64, id:35F5075D-302F-4A94-978C-40321500C495, OS:26.5, name:iPhone Air }
INFRASTRUCTURE ERROR (status: destinationUnavailable