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Build Information

Failed to build LetterAvatarKit with Swift 6.1 for visionOS using Xcode 16.3.

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Build command unavailable

Build Log

========================================
RunAll
========================================
Builder version: undefined version: run 'make version' to update
Interrupt handler set up.
========================================
Checkout
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Clone URL: https://github.com/vpeschenkov/LetterAvatarKit.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/vpeschenkov/LetterAvatarKit
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 866f847 Update Jazzy documentation
Cloned https://github.com/vpeschenkov/LetterAvatarKit.git
Revision (git rev-parse @):
866f8476f5994bb7cbdac8a4d3d1480546ec75a5
SUCCESS checkout https://github.com/vpeschenkov/LetterAvatarKit.git at master
========================================
Build
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Selected platform:         visionOS
Swift version:             6.1
Building package at path:  $PWD
https://github.com/vpeschenkov/LetterAvatarKit.git
https://github.com/vpeschenkov/LetterAvatarKit.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "LetterAvatarKit",
  "name" : "LetterAvatarKit",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "12.0"
    },
    {
      "name" : "tvos",
      "version" : "12.0"
    }
  ],
  "products" : [
    {
      "name" : "LetterAvatarKit",
      "targets" : [
        "LetterAvatarKit"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "LetterAvatarKitTests",
      "module_type" : "SwiftTarget",
      "name" : "LetterAvatarKitTests",
      "path" : "LetterAvatarKitTests",
      "resources" : [
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/LetterAvatarKitTests/Resources/LetterAvatarEmptyTestImage@2x.png",
          "rule" : {
            "process" : {
            }
          }
        },
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/LetterAvatarKitTests/Resources/LetterAvatarEmptyTestImage@3x.png",
          "rule" : {
            "process" : {
            }
          }
        },
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/LetterAvatarKitTests/Resources/LetterAvatarOneWordTestImage@2x.png",
          "rule" : {
            "process" : {
            }
          }
        },
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/LetterAvatarKitTests/Resources/LetterAvatarOneWordTestImage@3x.png",
          "rule" : {
            "process" : {
            }
          }
        },
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/LetterAvatarKitTests/Resources/LetterAvatarSingleLetterTestImage@2x.png",
          "rule" : {
            "process" : {
            }
          }
        },
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/LetterAvatarKitTests/Resources/LetterAvatarSingleLetterTestImage@3x.png",
          "rule" : {
            "process" : {
            }
          }
        },
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/LetterAvatarKitTests/Resources/LetterAvatarTestImage@2x.png",
          "rule" : {
            "process" : {
            }
          }
        },
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/LetterAvatarKitTests/Resources/LetterAvatarTestImage@3x.png",
          "rule" : {
            "process" : {
            }
          }
        }
      ],
      "sources" : [
        "Extensions/Character+LetterAvatarKitTests.swift",
        "Extensions/UIColor+LetterAvatarKitTests.swift",
        "Extensions/UIImage+LetterAvatarKitTests.swift",
        "LetterAvatarBuilderTests.swift",
        "LetterAvatarMakerTests.swift",
        "Utilities/UIImage+Compare.swift"
      ],
      "target_dependencies" : [
        "LetterAvatarKit"
      ],
      "type" : "test"
    },
    {
      "c99name" : "LetterAvatarKit",
      "module_type" : "SwiftTarget",
      "name" : "LetterAvatarKit",
      "path" : "LetterAvatarKit",
      "product_memberships" : [
        "LetterAvatarKit"
      ],
      "sources" : [
        "Extensions/Character+LetterAvatarKit.swift",
        "Extensions/UIColor+LetterAvatarKit.swift",
        "Extensions/UIImage+LetterAvatarKit.swift",
        "LetterAvatarBuilder.swift",
        "LetterAvatarBuilderConfiguration.swift",
        "LetterAvatarMaker.swift",
        "LetterAvatarMakerExtendable.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.9"
}
Command line invocation:
    /Applications/Xcode-16.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
resolved source packages:
{
  "dependencies" : [
  ],
  "manifest_display_name" : "LetterAvatarKit",
  "name" : "LetterAvatarKit",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "12.0"
    },
    {
      "name" : "tvos",
      "version" : "12.0"
    }
  ],
  "products" : [
    {
      "name" : "LetterAvatarKit",
      "targets" : [
        "LetterAvatarKit"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "LetterAvatarKitTests",
      "module_type" : "SwiftTarget",
      "name" : "LetterAvatarKitTests",
      "path" : "LetterAvatarKitTests",
      "resources" : [
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/LetterAvatarKitTests/Resources/LetterAvatarEmptyTestImage@2x.png",
          "rule" : {
            "process" : {
            }
          }
        },
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/LetterAvatarKitTests/Resources/LetterAvatarEmptyTestImage@3x.png",
          "rule" : {
            "process" : {
            }
          }
        },
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/LetterAvatarKitTests/Resources/LetterAvatarOneWordTestImage@2x.png",
          "rule" : {
            "process" : {
            }
          }
        },
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/LetterAvatarKitTests/Resources/LetterAvatarOneWordTestImage@3x.png",
          "rule" : {
            "process" : {
            }
          }
        },
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/LetterAvatarKitTests/Resources/LetterAvatarSingleLetterTestImage@2x.png",
          "rule" : {
            "process" : {
            }
          }
        },
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/LetterAvatarKitTests/Resources/LetterAvatarSingleLetterTestImage@3x.png",
          "rule" : {
            "process" : {
            }
          }
        },
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/LetterAvatarKitTests/Resources/LetterAvatarTestImage@2x.png",
          "rule" : {
            "process" : {
            }
          }
        },
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/LetterAvatarKitTests/Resources/LetterAvatarTestImage@3x.png",
          "rule" : {
            "process" : {
            }
          }
        }
      ],
      "sources" : [
        "Extensions/Character+LetterAvatarKitTests.swift",
        "Extensions/UIColor+LetterAvatarKitTests.swift",
        "Extensions/UIImage+LetterAvatarKitTests.swift",
        "LetterAvatarBuilderTests.swift",
        "LetterAvatarMakerTests.swift",
        "Utilities/UIImage+Compare.swift"
      ],
      "target_dependencies" : [
        "LetterAvatarKit"
      ],
      "type" : "test"
    },
    {
      "c99name" : "LetterAvatarKit",
      "module_type" : "SwiftTarget",
      "name" : "LetterAvatarKit",
      "path" : "LetterAvatarKit",
      "product_memberships" : [
        "LetterAvatarKit"
      ],
      "sources" : [
        "Extensions/Character+LetterAvatarKit.swift",
        "Extensions/UIColor+LetterAvatarKit.swift",
        "Extensions/UIImage+LetterAvatarKit.swift",
        "LetterAvatarBuilder.swift",
        "LetterAvatarBuilderConfiguration.swift",
        "LetterAvatarMaker.swift",
        "LetterAvatarMakerExtendable.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.9"
}
{
  "project" : {
    "configurations" : [
      "Debug",
      "Release"
    ],
    "name" : "LetterAvatarKit",
    "schemes" : [
      "LetterAvatarKit"
    ],
    "targets" : [
      "LetterAvatarKit",
      "LetterAvatarKitTests"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme LetterAvatarKit -destination generic/platform=xrOS OTHER_SWIFT_FLAGS=-stats-output-dir .stats -strict-concurrency=complete -enable-upcoming-feature StrictConcurrency -enable-upcoming-feature DisableOutwardActorInference -enable-upcoming-feature GlobalActorIsolatedTypesUsability -enable-upcoming-feature InferSendableFromCaptures
Command line invocation:
    /Applications/Xcode-16.3.0.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 LetterAvatarKit -destination generic/platform=xrOS "OTHER_SWIFT_FLAGS=-stats-output-dir .stats -strict-concurrency=complete -enable-upcoming-feature StrictConcurrency -enable-upcoming-feature DisableOutwardActorInference -enable-upcoming-feature GlobalActorIsolatedTypesUsability -enable-upcoming-feature InferSendableFromCaptures"
Build settings from command line:
    OTHER_SWIFT_FLAGS = -stats-output-dir .stats -strict-concurrency=complete -enable-upcoming-feature StrictConcurrency -enable-upcoming-feature DisableOutwardActorInference -enable-upcoming-feature GlobalActorIsolatedTypesUsability -enable-upcoming-feature InferSendableFromCaptures
2026-07-12 23:57:41.198 xcodebuild[582:3326] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-12-07_23-57-0041.xcresult
xcodebuild: error: Unable to find a destination matching the provided destination specifier:
		{ generic:1, platform:xrOS }
	Available destinations for the "LetterAvatarKit" scheme:
		{ platform:macOS, arch:arm64, variant:Mac Catalyst, id:87174ce902a1f66f18565b1fc0e98d1991d63b0b, name:My Mac }
		{ platform:macOS, arch:x86_64, variant:Mac Catalyst, id:87174ce902a1f66f18565b1fc0e98d1991d63b0b, name:My Mac }
		{ platform:macOS, arch:arm64, variant:Designed for [iPad,iPhone], id:87174ce902a1f66f18565b1fc0e98d1991d63b0b, 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 }
INFRASTRUCTURE ERROR (status: destinationUnavailable