Swift Package Index

Build Information

Failed to build Mapper with Swift 6.3 for macOS (Xcode) using Xcode 26.4.

Build Command

Build command unavailable

Build Log

========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/lyft/mapper.git
Reference: 10.0.1
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/lyft/mapper
 * tag               10.0.1     -> FETCH_HEAD
HEAD is now at c8f848c Bump version to 10.0.1
Cloned https://github.com/lyft/mapper.git
Revision (git rev-parse @):
c8f848c8a496e8dbfafa4fba5bb44723bacbe853
SUCCESS checkout https://github.com/lyft/mapper.git at 10.0.1
========================================
Build
========================================
Selected platform:         macosXcodebuild
Swift version:             6.3
Building package at path:  $PWD
https://github.com/lyft/mapper.git
Command line invocation:
    /Applications/Xcode-26.4.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
resolved source packages:
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Mapper",
  "name" : "Mapper",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Mapper",
      "targets" : [
        "Mapper"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "MapperTests",
      "module_type" : "SwiftTarget",
      "name" : "MapperTests",
      "path" : "Tests/MapperTests",
      "sources" : [
        "ConvertibleValueTests.swift",
        "CustomTransformationTests.swift",
        "ErrorTests.swift",
        "InitializerTests.swift",
        "JSONSerializationIntegrationTests.swift",
        "MappableValueTests.swift",
        "NormalValueTests.swift",
        "OptionalValueTests.swift",
        "RawRepresentibleValueTests.swift",
        "TransformTests.swift"
      ],
      "target_dependencies" : [
        "Mapper"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Mapper",
      "module_type" : "SwiftTarget",
      "name" : "Mapper",
      "path" : "Sources",
      "product_memberships" : [
        "Mapper"
      ],
      "sources" : [
        "Convertible.swift",
        "DefaultConvertible.swift",
        "Defaults+Convertible.swift",
        "Float+Convertible.swift",
        "Mappable.swift",
        "Mapper.swift",
        "MapperError.swift",
        "NSDictionary+Safety.swift",
        "Transform+Dictionary.swift",
        "Transform.swift",
        "URL+Convertible.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.0"
}
{
  "project" : {
    "configurations" : [
      "Debug",
      "Release"
    ],
    "name" : "Mapper",
    "schemes" : [
      "Mapper"
    ],
    "targets" : [
      "Mapper",
      "MapperTests"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme Mapper -destination platform=macOS,arch=arm64
Command line invocation:
    /Applications/Xcode-26.4.0.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 Mapper -destination platform=macOS,arch=arm64
2026-04-11 09:11:07.131 xcodebuild[624:3794] Writing error result bundle to /var/folders/xq/y_g06wb113726d38xsyx71_h0000gn/T/ResultBundle_2026-11-04_09-11-0007.xcresult
xcodebuild: error: Unable to find a destination matching the provided destination specifier:
		{ platform:macOS, arch:arm64 }
	Available destinations for the "Mapper" scheme:
		{ platform:macOS, arch:x86_64, id:91a027c4caa156f83d3dfb84f07de07ddbaa2217, 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, name:Any Mac }
		{ platform:tvOS, id:dvtdevice-DVTiOSDevicePlaceholder-appletvos:placeholder, name:Any tvOS Device }
		{ platform:tvOS Simulator, id:dvtdevice-DVTiOSDeviceSimulatorPlaceholder-appletvsimulator:placeholder, name:Any tvOS Simulator Device }
		{ platform:watchOS, id:dvtdevice-DVTiOSDevicePlaceholder-watchos:placeholder, name:Any watchOS Device }
		{ platform:watchOS Simulator, id:dvtdevice-DVTiOSDeviceSimulatorPlaceholder-watchsimulator:placeholder, name:Any watchOS Simulator Device }
INFRASTRUCTURE ERROR (status: destinationUnavailable