The Swift Package Index logo.Swift Package Index

Build Information

Failed to build LetterAvatarKit, reference 2.1.0 (242cb1), with Swift 6.4 for macOS (Xcode) using Xcode 27.0 on 26 Sep 2026 00:02:50 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme LetterAvatarKit -destination platform=macOS,arch=arm64

Build Log

========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/vpeschenkov/LetterAvatarKit.git
Reference: 2.1.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/vpeschenkov/LetterAvatarKit
 * tag               2.1.0      -> FETCH_HEAD
HEAD is now at 242cb13 chore: release 2.1.0
Cloned https://github.com/vpeschenkov/LetterAvatarKit.git
Revision (git rev-parse @):
242cb13bcf35154c85aad65b911ea0662d16c0a2
SUCCESS checkout https://github.com/vpeschenkov/LetterAvatarKit.git at 2.1.0
========================================
Build
========================================
Selected platform:         macosXcodebuild
Swift version:             6.4
Building package at path:  $PWD
https://github.com/vpeschenkov/LetterAvatarKit.git
Command line invocation:
    /Applications/Xcode-27.0.0-Release.Candidate.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-27.0.0-Release.Candidate.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme LetterAvatarKit -destination platform=macOS,arch=arm64
Command line invocation:
    /Applications/Xcode-27.0.0-Release.Candidate.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 platform=macOS,arch=arm64
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (1 target)
    Target 'LetterAvatarKit' in project 'LetterAvatarKit' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64 -isysroot /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: 1e1cf097056a240d0f5f381d97a88c0d
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/1e1cf097056a240d0f5f381d97a88c0d.xcbuilddata
/Users/admin/builder/spi-builder-workspace/LetterAvatarKit.xcodeproj: error: The macOS deployment target 'MACOSX_DEPLOYMENT_TARGET' is set to 10.15, but the range of supported deployment target versions is 12.0 to 27.0.x. (in target 'LetterAvatarKit' from project 'LetterAvatarKit')
warning: Run script build phase 'SwiftLint' will be run during every build because it does not specify any outputs. To address this issue, either add output dependencies to the script phase, or configure it to run in every build by unchecking "Based on dependency analysis" in the script phase. (in target 'LetterAvatarKit' from project 'LetterAvatarKit')
--- xcodebuild: WARNING: Using the first of multiple matching destinations:
{ platform:macOS, arch:arm64, variant:Mac Catalyst, id:4f4d9928e59b4e52b763f009bb9265c61aede9be, name:My Mac }
{ platform:macOS, arch:arm64, variant:Designed for [iPad,iPhone], id:4f4d9928e59b4e52b763f009bb9265c61aede9be, name:My Mac }
** BUILD FAILED **
The following build commands failed:
	Building project LetterAvatarKit with scheme LetterAvatarKit
(1 failure)
Command line invocation:
    /Applications/Xcode-27.0.0-Release.Candidate.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-27.0.0-Release.Candidate.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme LetterAvatarKit -destination platform=macOS,arch=arm64
Command line invocation:
    /Applications/Xcode-27.0.0-Release.Candidate.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 platform=macOS,arch=arm64
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (1 target)
    Target 'LetterAvatarKit' in project 'LetterAvatarKit' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
/Users/admin/builder/spi-builder-workspace/LetterAvatarKit.xcodeproj: error: The macOS deployment target 'MACOSX_DEPLOYMENT_TARGET' is set to 10.15, but the range of supported deployment target versions is 12.0 to 27.0.x. (in target 'LetterAvatarKit' from project 'LetterAvatarKit')
warning: Run script build phase 'SwiftLint' will be run during every build because it does not specify any outputs. To address this issue, either add output dependencies to the script phase, or configure it to run in every build by unchecking "Based on dependency analysis" in the script phase. (in target 'LetterAvatarKit' from project 'LetterAvatarKit')
--- xcodebuild: WARNING: Using the first of multiple matching destinations:
{ platform:macOS, arch:arm64, variant:Mac Catalyst, id:4f4d9928e59b4e52b763f009bb9265c61aede9be, name:My Mac }
{ platform:macOS, arch:arm64, variant:Designed for [iPad,iPhone], id:4f4d9928e59b4e52b763f009bb9265c61aede9be, name:My Mac }
** BUILD FAILED **
The following build commands failed:
	Building project LetterAvatarKit with scheme LetterAvatarKit
(1 failure)
BUILD FAILURE 6.4 macosXcodebuild