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Build Information

Failed to build xcdiff, reference main (8580d8), with Swift 6.2 for watchOS using Xcode 26.3 on 28 Sep 2026 23:30:37 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-26.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme xcdiff-Package -destination generic/platform=watchOS

Build Log

========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/bloomberg/xcdiff.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/bloomberg/xcdiff
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 8580d81 Flag duplicate targets in the diff (#156)
Cloned https://github.com/bloomberg/xcdiff.git
Revision (git rev-parse @):
8580d816f462d9512059b17f27d8281ad6ee3652
SUCCESS checkout https://github.com/bloomberg/xcdiff.git at main
========================================
Build
========================================
Selected platform:         watchOS
Swift version:             6.2
Building package at path:  $PWD
https://github.com/bloomberg/xcdiff.git
Command line invocation:
    /Applications/Xcode-26.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Fetching from https://github.com/tuist/xcodeproj.git
Fetching from https://github.com/apple/swift-argument-parser
Fetching from https://github.com/apple/swift-tools-support-core.git
Fetching from https://github.com/kylef/PathKit
Fetching from https://github.com/kylef/Spectre.git
Fetching from https://github.com/tadija/AEXML.git
Creating working copy of package ‘swift-tools-support-core’
Checking out 0.8.0 of package ‘swift-tools-support-core’
Creating working copy of package ‘Spectre’
Checking out 0.10.1 of package ‘Spectre’
Creating working copy of package ‘AEXML’
Checking out 4.7.0 of package ‘AEXML’
Creating working copy of package ‘PathKit’
Checking out 1.0.1 of package ‘PathKit’
Creating working copy of package ‘xcodeproj’
Checking out 8.27.7 of package ‘xcodeproj’
Creating working copy of package ‘swift-argument-parser’
Checking out 1.8.2 of package ‘swift-argument-parser’
Resolve Package Graph
Resolved source packages:
  swift-argument-parser: https://github.com/apple/swift-argument-parser @ 1.8.2
  PathKit: https://github.com/kylef/PathKit @ 1.0.1
  AEXML: https://github.com/tadija/AEXML.git @ 4.7.0
  xcdiff: /Users/admin/builder/spi-builder-workspace
  Spectre: https://github.com/kylef/Spectre.git @ 0.10.1
  XcodeProj: https://github.com/tuist/xcodeproj.git @ 8.27.7
  swift-tools-support-core: https://github.com/apple/swift-tools-support-core.git @ 0.8.0
resolved source packages: swift-argument-parser, PathKit, AEXML, xcdiff, Spectre, XcodeProj, swift-tools-support-core
2026-09-28 19:30:00.729 xcodebuild[538:3106] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
  "dependencies" : [
    {
      "identity" : "swift-tools-support-core",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.3.0",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-tools-support-core.git"
    },
    {
      "identity" : "pathkit",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.0.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/kylef/PathKit"
    },
    {
      "identity" : "xcodeproj",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "8.27.0",
            "upper_bound" : "9.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/tuist/xcodeproj.git"
    },
    {
      "identity" : "swift-argument-parser",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.5.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-argument-parser"
    }
  ],
  "manifest_display_name" : "xcdiff",
  "name" : "xcdiff",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.15"
    }
  ],
  "products" : [
    {
      "name" : "xcdiff",
      "targets" : [
        "XCDiff"
      ],
      "type" : {
        "executable" : null
      }
    },
    {
      "name" : "XCDiffCommand",
      "targets" : [
        "XCDiffCommand"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "XCDiffCore",
      "targets" : [
        "XCDiffCore"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "XCDiffCoreTests",
      "module_type" : "SwiftTarget",
      "name" : "XCDiffCoreTests",
      "path" : "Tests/XCDiffCoreTests",
      "product_dependencies" : [
        "PathKit",
        "XcodeProj"
      ],
      "sources" : [
        "Comparator/AttributesComparatorTests.swift",
        "Comparator/BuildPhasesComparatorTests.swift",
        "Comparator/ComparatorTypeTests.swift",
        "Comparator/ConfigurationsComparatorTests.swift",
        "Comparator/CopyFilesComparatorTests.swift",
        "Comparator/DependenciesComparatorTests.swift",
        "Comparator/FileReferencesComparatorTests.swift",
        "Comparator/FileSytemSynchronizedGroupsComparatorTests.swift",
        "Comparator/HeadersComparatorTests.swift",
        "Comparator/LinkedDependenciesComparatorTests.swift",
        "Comparator/PlistComparatorTests.swift",
        "Comparator/ResolvedSettingsComparatorTests.swift",
        "Comparator/ResoucesComparatorTests.swift",
        "Comparator/RunScriptComparatorTests.swift",
        "Comparator/SettingsComparatorTests.swift",
        "Comparator/SourceTreesComparatorTests.swift",
        "Comparator/SourcesComparatorTests.swift",
        "Comparator/SwiftPackagesComparatorTests.swift",
        "Comparator/TargetsComparatorTests.swift",
        "DefaultProjectComparatorTests.swift",
        "Helpers/ComparatorParameters+Extensions.swift",
        "Helpers/Fixtures.swift",
        "Helpers/PBXAggregateTargetBuilder.swift",
        "Helpers/PBXBuildConfigurationBuilder.swift",
        "Helpers/PBXBuildFileBuilder.swift",
        "Helpers/PBXBuildPhaseBuilder.swift",
        "Helpers/PBXHeaderAccessLevel.swift",
        "Helpers/PBXNativeTargetBuilder.swift",
        "Helpers/PBXProjBuilder.swift",
        "Helpers/XCConfigurationListBuilder.swift",
        "Library/ComparatorParametersTests.swift",
        "Library/CompareResultTests.swift",
        "Library/Descriptors/SwiftPackageDescriptorTests.swift",
        "Library/DiffTests.swift",
        "Library/PBX+ExtensionsTests.swift",
        "Library/ProjectCompareResultTests.swift",
        "Library/ProjectDescriptorTests.swift",
        "Library/String+ExtensionsTests.swift",
        "Library/URL+ExtensionsTests.swift",
        "Library/XcodeProjLoaderTests.swift",
        "Mocks/ComparatorMock.swift",
        "Mocks/SystemMock.swift",
        "Mocks/XcodeProjLoaderMock.swift",
        "ResultRenderer/Output/OutputTests.swift",
        "ResultRenderer/ProjectResultRenderer/HTMLSideBySideResultRendererTests.swift",
        "ResultRenderer/ProjectResultRenderer/JSONProjectCompareResultRendererTests.swift",
        "ResultRenderer/ProjectResultRenderer/TextProjectCompareResultRendererTests.swift",
        "ResultRenderer/Renderer/ConsoleRendererTests.swift",
        "ResultRenderer/Renderer/HTMLRendererTests.swift",
        "ResultRenderer/Renderer/MarkdownRendererTests.swift",
        "ResultRenderer/UniversalResultRendererTests.swift"
      ],
      "target_dependencies" : [
        "XCDiffCore"
      ],
      "type" : "test"
    },
    {
      "c99name" : "XCDiffCore",
      "module_type" : "SwiftTarget",
      "name" : "XCDiffCore",
      "path" : "Sources/XCDiffCore",
      "product_dependencies" : [
        "XcodeProj"
      ],
      "product_memberships" : [
        "xcdiff",
        "XCDiffCommand",
        "XCDiffCore"
      ],
      "sources" : [
        "Comparator/AttributesComparator.swift",
        "Comparator/BuildPhasesComparator.swift",
        "Comparator/ConfigurationsComparator.swift",
        "Comparator/CopyFilesComparator.swift",
        "Comparator/DependenciesComparator.swift",
        "Comparator/FileReferencesComparator.swift",
        "Comparator/FileSytemSynchronizedGroupsComparator.swift",
        "Comparator/HeadersComparator.swift",
        "Comparator/LinkedDependenciesComparator.swift",
        "Comparator/PlistComparator.swift",
        "Comparator/ResolvedSettingsComparator.swift",
        "Comparator/ResourcesComparator.swift",
        "Comparator/RunScriptComparator.swift",
        "Comparator/SettingsComparator.swift",
        "Comparator/SourceTreesComparator.swift",
        "Comparator/SourcesComparator.swift",
        "Comparator/SwiftPackagesComparator.swift",
        "Comparator/TargetsComparator.swift",
        "ComparatorType.swift",
        "Library/BuildFileComparatorHelper.swift",
        "Library/Collections+Extensions.swift",
        "Library/Comparator+Extensions.swift",
        "Library/Comparator.swift",
        "Library/ComparatorError.swift",
        "Library/ComparatorParameters.swift",
        "Library/CompareResult.swift",
        "Library/Descriptors/BuildFileDescriptor.swift",
        "Library/Descriptors/PlistDescriptor.swift",
        "Library/Descriptors/SwiftPackageDescriptor.swift",
        "Library/Diff.swift",
        "Library/GenericCompareResult.swift",
        "Library/Optional+Extensions.swift",
        "Library/PBX+Extensions.swift",
        "Library/PathHelper.swift",
        "Library/PlistValue.swift",
        "Library/ProjectCompareResult.swift",
        "Library/ProjectDescriptor.swift",
        "Library/SettingValueComparator.swift",
        "Library/SettingsHelper.swift",
        "Library/String+Extensions.swift",
        "Library/System.swift",
        "Library/TargetsHelper.swift",
        "Library/TargetsPlistHelper.swift",
        "Library/URL+Extensions.swift",
        "Library/ValueComparator.swift",
        "Library/XcodeProjLoader.swift",
        "ProjectComparator.swift",
        "ResultRenderer/Output/Output.swift",
        "ResultRenderer/ProjectResultRenderer/HTMLSideBySideResultRenderer.swift",
        "ResultRenderer/ProjectResultRenderer/JSONProjectCompareResultRenderer.swift",
        "ResultRenderer/ProjectResultRenderer/ProjectCompareResultRenderer.swift",
        "ResultRenderer/ProjectResultRenderer/TextProjectCompareResultRenderer.swift",
        "ResultRenderer/Renderer/ConsoleRenderer.swift",
        "ResultRenderer/Renderer/HTMLRenderer.swift",
        "ResultRenderer/Renderer/MarkdownRenderer.swift",
        "ResultRenderer/Renderer/Renderer.swift",
        "ResultRenderer/Renderer/String+HTMLUtils.swift",
        "ResultRenderer/ResultRenderer.swift",
        "ResultRenderer/UniversalResultRenderer.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "XCDiffCommandTests",
      "module_type" : "SwiftTarget",
      "name" : "XCDiffCommandTests",
      "path" : "Tests/XCDiffCommandTests",
      "product_dependencies" : [
        "PathKit",
        "ArgumentParser"
      ],
      "sources" : [
        "CommandBasedTests.swift",
        "CommandsRunnerTests.swift",
        "Helpers/Fixtures.swift",
        "Mocks/FileSystemMock.swift",
        "Mocks/PrinterMock.swift"
      ],
      "target_dependencies" : [
        "XCDiffCore",
        "XCDiffCommand"
      ],
      "type" : "test"
    },
    {
      "c99name" : "XCDiffCommand",
      "module_type" : "SwiftTarget",
      "name" : "XCDiffCommand",
      "path" : "Sources/XCDiffCommand",
      "product_dependencies" : [
        "PathKit",
        "SwiftToolsSupport-auto",
        "ArgumentParser"
      ],
      "product_memberships" : [
        "xcdiff",
        "XCDiffCommand"
      ],
      "sources" : [
        "CommandRunner.swift",
        "Constants.swift",
        "Utils.swift"
      ],
      "target_dependencies" : [
        "XCDiffCore"
      ],
      "type" : "library"
    },
    {
      "c99name" : "XCDiff",
      "module_type" : "SwiftTarget",
      "name" : "XCDiff",
      "path" : "Sources/XCDiff",
      "product_memberships" : [
        "xcdiff"
      ],
      "sources" : [
        "main.swift"
      ],
      "target_dependencies" : [
        "XCDiffCommand"
      ],
      "type" : "executable"
    }
  ],
  "tools_version" : "5.5"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "xcdiff",
      "xcdiff-Package",
      "XCDiffCommand",
      "XCDiffCore"
    ]
  }
}
2026-09-28 19:30:22.402 xcodebuild[926:5490] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme xcdiff-Package -destination generic/platform=watchOS
Command line invocation:
    /Applications/Xcode-26.3.0.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 xcdiff-Package -destination generic/platform=watchOS
Resolve Package Graph
Resolve Package Graph
Resolved source packages:
  Spectre: https://github.com/kylef/Spectre.git @ 0.10.1
  swift-tools-support-core: https://github.com/apple/swift-tools-support-core.git @ 0.8.0
  PathKit: https://github.com/kylef/PathKit @ 1.0.1
  AEXML: https://github.com/tadija/AEXML.git @ 4.7.0
  XcodeProj: https://github.com/tuist/xcodeproj.git @ 8.27.7
  xcdiff: /Users/admin/builder/spi-builder-workspace
  swift-argument-parser: https://github.com/apple/swift-argument-parser @ 1.8.2
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (19 targets)
    Target 'xcdiff' in project 'xcdiff'
        ➜ Explicit dependency on target 'XCDiffCore' in project 'xcdiff'
        ➜ Explicit dependency on target 'XCDiffCommand' in project 'xcdiff'
        ➜ Explicit dependency on target 'XcodeProj' in project 'XcodeProj'
        ➜ Explicit dependency on target 'PathKit' in project 'PathKit'
        ➜ Explicit dependency on target 'SwiftToolsSupport-auto' in project 'swift-tools-support-core'
        ➜ Explicit dependency on target 'ArgumentParser' in project 'swift-argument-parser'
    Target 'XCDiffCore' in project 'xcdiff'
        ➜ Explicit dependency on target 'XCDiffCore' in project 'xcdiff'
        ➜ Explicit dependency on target 'XcodeProj' in project 'XcodeProj'
    Target 'XCDiffCommand' in project 'xcdiff'
        ➜ Explicit dependency on target 'XCDiffCommand' in project 'xcdiff'
        ➜ Explicit dependency on target 'XCDiffCore' in project 'xcdiff'
        ➜ Explicit dependency on target 'XcodeProj' in project 'XcodeProj'
        ➜ Explicit dependency on target 'PathKit' in project 'PathKit'
        ➜ Explicit dependency on target 'SwiftToolsSupport-auto' in project 'swift-tools-support-core'
        ➜ Explicit dependency on target 'ArgumentParser' in project 'swift-argument-parser'
    Target 'XCDiffCommand' in project 'xcdiff'
        ➜ Explicit dependency on target 'XCDiffCore' in project 'xcdiff'
        ➜ Explicit dependency on target 'XcodeProj' in project 'XcodeProj'
        ➜ Explicit dependency on target 'PathKit' in project 'PathKit'
        ➜ Explicit dependency on target 'SwiftToolsSupport-auto' in project 'swift-tools-support-core'
        ➜ Explicit dependency on target 'ArgumentParser' in project 'swift-argument-parser'
    Target 'ArgumentParser' in project 'swift-argument-parser'
        ➜ Explicit dependency on target 'ArgumentParser' in project 'swift-argument-parser'
        ➜ Explicit dependency on target 'ArgumentParserToolInfo' in project 'swift-argument-parser'
    Target 'ArgumentParser' in project 'swift-argument-parser'
        ➜ Explicit dependency on target 'ArgumentParserToolInfo' in project 'swift-argument-parser'
    Target 'ArgumentParserToolInfo' in project 'swift-argument-parser' (no dependencies)
    Target 'SwiftToolsSupport-auto' in project 'swift-tools-support-core'
        ➜ Explicit dependency on target 'TSCBasic' in project 'swift-tools-support-core'
        ➜ Explicit dependency on target 'TSCUtility' in project 'swift-tools-support-core'
        ➜ Explicit dependency on target 'TSCLibc' in project 'swift-tools-support-core'
        ➜ Explicit dependency on target 'TSCclibc' in project 'swift-tools-support-core'
    Target 'TSCUtility' in project 'swift-tools-support-core'
        ➜ Explicit dependency on target 'TSCLibc' in project 'swift-tools-support-core'
        ➜ Explicit dependency on target 'TSCclibc' in project 'swift-tools-support-core'
        ➜ Explicit dependency on target 'TSCBasic' in project 'swift-tools-support-core'
    Target 'TSCBasic' in project 'swift-tools-support-core'
        ➜ Explicit dependency on target 'TSCLibc' in project 'swift-tools-support-core'
        ➜ Explicit dependency on target 'TSCclibc' in project 'swift-tools-support-core'
    Target 'TSCclibc' in project 'swift-tools-support-core' (no dependencies)
    Target 'TSCLibc' in project 'swift-tools-support-core' (no dependencies)
    Target 'XCDiffCore' in project 'xcdiff'
        ➜ Explicit dependency on target 'XcodeProj' in project 'XcodeProj'
    Target 'XcodeProj' in project 'XcodeProj'
        ➜ Explicit dependency on target 'XcodeProj' in project 'XcodeProj'
        ➜ Explicit dependency on target 'PathKit' in project 'PathKit'
        ➜ Explicit dependency on target 'AEXML' in project 'AEXML'
    Target 'XcodeProj' in project 'XcodeProj'
        ➜ Explicit dependency on target 'PathKit' in project 'PathKit'
        ➜ Explicit dependency on target 'AEXML' in project 'AEXML'
    Target 'AEXML' in project 'AEXML'
        ➜ Explicit dependency on target 'AEXML' in project 'AEXML'
    Target 'AEXML' in project 'AEXML' (no dependencies)
    Target 'PathKit' in project 'PathKit'
        ➜ Explicit dependency on target 'PathKit' in project 'PathKit'
    Target 'PathKit' in project 'PathKit' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-26.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-26.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64 -isysroot /Applications/Xcode-26.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.2.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-26.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.2.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
ExecuteExternalTool /Applications/Xcode-26.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch armv7k -isysroot /Applications/Xcode-26.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.2.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64_32 -isysroot /Applications/Xcode-26.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.2.sdk -x c -c /dev/null
ReadFileContents /Applications/Xcode-26.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/share/docc/features.json
Build description signature: f852d5676901e39734cf4e44ebcd2b82
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/f852d5676901e39734cf4e44ebcd2b82.xcbuilddata
error: The package product 'SwiftToolsSupport-auto' requires minimum platform version 6.0 for the watchOS platform, but this target supports 5.0 (in target 'XCDiffCommand' from project 'xcdiff')
error: The package product 'SwiftToolsSupport-auto' requires minimum platform version 6.0 for the watchOS platform, but this target supports 5.0 (in target 'xcdiff' from project 'xcdiff')
2026-09-28 19:30:26.823 xcodebuild[936:5587] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
** BUILD FAILED **
The following build commands failed:
	Building workspace spi-builder-workspace with scheme xcdiff-Package
(1 failure)
Command line invocation:
    /Applications/Xcode-26.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Resolved source packages:
  swift-argument-parser: https://github.com/apple/swift-argument-parser @ 1.8.2
  AEXML: https://github.com/tadija/AEXML.git @ 4.7.0
  xcdiff: /Users/admin/builder/spi-builder-workspace
  swift-tools-support-core: https://github.com/apple/swift-tools-support-core.git @ 0.8.0
  XcodeProj: https://github.com/tuist/xcodeproj.git @ 8.27.7
  Spectre: https://github.com/kylef/Spectre.git @ 0.10.1
  PathKit: https://github.com/kylef/PathKit @ 1.0.1
resolved source packages: swift-argument-parser, AEXML, xcdiff, swift-tools-support-core, XcodeProj, Spectre, PathKit
2026-09-28 19:30:32.044 xcodebuild[1021:6061] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
  "dependencies" : [
    {
      "identity" : "swift-tools-support-core",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.3.0",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-tools-support-core.git"
    },
    {
      "identity" : "pathkit",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.0.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/kylef/PathKit"
    },
    {
      "identity" : "xcodeproj",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "8.27.0",
            "upper_bound" : "9.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/tuist/xcodeproj.git"
    },
    {
      "identity" : "swift-argument-parser",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.5.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-argument-parser"
    }
  ],
  "manifest_display_name" : "xcdiff",
  "name" : "xcdiff",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.15"
    }
  ],
  "products" : [
    {
      "name" : "xcdiff",
      "targets" : [
        "XCDiff"
      ],
      "type" : {
        "executable" : null
      }
    },
    {
      "name" : "XCDiffCommand",
      "targets" : [
        "XCDiffCommand"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "XCDiffCore",
      "targets" : [
        "XCDiffCore"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "XCDiffCoreTests",
      "module_type" : "SwiftTarget",
      "name" : "XCDiffCoreTests",
      "path" : "Tests/XCDiffCoreTests",
      "product_dependencies" : [
        "PathKit",
        "XcodeProj"
      ],
      "sources" : [
        "Comparator/AttributesComparatorTests.swift",
        "Comparator/BuildPhasesComparatorTests.swift",
        "Comparator/ComparatorTypeTests.swift",
        "Comparator/ConfigurationsComparatorTests.swift",
        "Comparator/CopyFilesComparatorTests.swift",
        "Comparator/DependenciesComparatorTests.swift",
        "Comparator/FileReferencesComparatorTests.swift",
        "Comparator/FileSytemSynchronizedGroupsComparatorTests.swift",
        "Comparator/HeadersComparatorTests.swift",
        "Comparator/LinkedDependenciesComparatorTests.swift",
        "Comparator/PlistComparatorTests.swift",
        "Comparator/ResolvedSettingsComparatorTests.swift",
        "Comparator/ResoucesComparatorTests.swift",
        "Comparator/RunScriptComparatorTests.swift",
        "Comparator/SettingsComparatorTests.swift",
        "Comparator/SourceTreesComparatorTests.swift",
        "Comparator/SourcesComparatorTests.swift",
        "Comparator/SwiftPackagesComparatorTests.swift",
        "Comparator/TargetsComparatorTests.swift",
        "DefaultProjectComparatorTests.swift",
        "Helpers/ComparatorParameters+Extensions.swift",
        "Helpers/Fixtures.swift",
        "Helpers/PBXAggregateTargetBuilder.swift",
        "Helpers/PBXBuildConfigurationBuilder.swift",
        "Helpers/PBXBuildFileBuilder.swift",
        "Helpers/PBXBuildPhaseBuilder.swift",
        "Helpers/PBXHeaderAccessLevel.swift",
        "Helpers/PBXNativeTargetBuilder.swift",
        "Helpers/PBXProjBuilder.swift",
        "Helpers/XCConfigurationListBuilder.swift",
        "Library/ComparatorParametersTests.swift",
        "Library/CompareResultTests.swift",
        "Library/Descriptors/SwiftPackageDescriptorTests.swift",
        "Library/DiffTests.swift",
        "Library/PBX+ExtensionsTests.swift",
        "Library/ProjectCompareResultTests.swift",
        "Library/ProjectDescriptorTests.swift",
        "Library/String+ExtensionsTests.swift",
        "Library/URL+ExtensionsTests.swift",
        "Library/XcodeProjLoaderTests.swift",
        "Mocks/ComparatorMock.swift",
        "Mocks/SystemMock.swift",
        "Mocks/XcodeProjLoaderMock.swift",
        "ResultRenderer/Output/OutputTests.swift",
        "ResultRenderer/ProjectResultRenderer/HTMLSideBySideResultRendererTests.swift",
        "ResultRenderer/ProjectResultRenderer/JSONProjectCompareResultRendererTests.swift",
        "ResultRenderer/ProjectResultRenderer/TextProjectCompareResultRendererTests.swift",
        "ResultRenderer/Renderer/ConsoleRendererTests.swift",
        "ResultRenderer/Renderer/HTMLRendererTests.swift",
        "ResultRenderer/Renderer/MarkdownRendererTests.swift",
        "ResultRenderer/UniversalResultRendererTests.swift"
      ],
      "target_dependencies" : [
        "XCDiffCore"
      ],
      "type" : "test"
    },
    {
      "c99name" : "XCDiffCore",
      "module_type" : "SwiftTarget",
      "name" : "XCDiffCore",
      "path" : "Sources/XCDiffCore",
      "product_dependencies" : [
        "XcodeProj"
      ],
      "product_memberships" : [
        "xcdiff",
        "XCDiffCommand",
        "XCDiffCore"
      ],
      "sources" : [
        "Comparator/AttributesComparator.swift",
        "Comparator/BuildPhasesComparator.swift",
        "Comparator/ConfigurationsComparator.swift",
        "Comparator/CopyFilesComparator.swift",
        "Comparator/DependenciesComparator.swift",
        "Comparator/FileReferencesComparator.swift",
        "Comparator/FileSytemSynchronizedGroupsComparator.swift",
        "Comparator/HeadersComparator.swift",
        "Comparator/LinkedDependenciesComparator.swift",
        "Comparator/PlistComparator.swift",
        "Comparator/ResolvedSettingsComparator.swift",
        "Comparator/ResourcesComparator.swift",
        "Comparator/RunScriptComparator.swift",
        "Comparator/SettingsComparator.swift",
        "Comparator/SourceTreesComparator.swift",
        "Comparator/SourcesComparator.swift",
        "Comparator/SwiftPackagesComparator.swift",
        "Comparator/TargetsComparator.swift",
        "ComparatorType.swift",
        "Library/BuildFileComparatorHelper.swift",
        "Library/Collections+Extensions.swift",
        "Library/Comparator+Extensions.swift",
        "Library/Comparator.swift",
        "Library/ComparatorError.swift",
        "Library/ComparatorParameters.swift",
        "Library/CompareResult.swift",
        "Library/Descriptors/BuildFileDescriptor.swift",
        "Library/Descriptors/PlistDescriptor.swift",
        "Library/Descriptors/SwiftPackageDescriptor.swift",
        "Library/Diff.swift",
        "Library/GenericCompareResult.swift",
        "Library/Optional+Extensions.swift",
        "Library/PBX+Extensions.swift",
        "Library/PathHelper.swift",
        "Library/PlistValue.swift",
        "Library/ProjectCompareResult.swift",
        "Library/ProjectDescriptor.swift",
        "Library/SettingValueComparator.swift",
        "Library/SettingsHelper.swift",
        "Library/String+Extensions.swift",
        "Library/System.swift",
        "Library/TargetsHelper.swift",
        "Library/TargetsPlistHelper.swift",
        "Library/URL+Extensions.swift",
        "Library/ValueComparator.swift",
        "Library/XcodeProjLoader.swift",
        "ProjectComparator.swift",
        "ResultRenderer/Output/Output.swift",
        "ResultRenderer/ProjectResultRenderer/HTMLSideBySideResultRenderer.swift",
        "ResultRenderer/ProjectResultRenderer/JSONProjectCompareResultRenderer.swift",
        "ResultRenderer/ProjectResultRenderer/ProjectCompareResultRenderer.swift",
        "ResultRenderer/ProjectResultRenderer/TextProjectCompareResultRenderer.swift",
        "ResultRenderer/Renderer/ConsoleRenderer.swift",
        "ResultRenderer/Renderer/HTMLRenderer.swift",
        "ResultRenderer/Renderer/MarkdownRenderer.swift",
        "ResultRenderer/Renderer/Renderer.swift",
        "ResultRenderer/Renderer/String+HTMLUtils.swift",
        "ResultRenderer/ResultRenderer.swift",
        "ResultRenderer/UniversalResultRenderer.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "XCDiffCommandTests",
      "module_type" : "SwiftTarget",
      "name" : "XCDiffCommandTests",
      "path" : "Tests/XCDiffCommandTests",
      "product_dependencies" : [
        "PathKit",
        "ArgumentParser"
      ],
      "sources" : [
        "CommandBasedTests.swift",
        "CommandsRunnerTests.swift",
        "Helpers/Fixtures.swift",
        "Mocks/FileSystemMock.swift",
        "Mocks/PrinterMock.swift"
      ],
      "target_dependencies" : [
        "XCDiffCore",
        "XCDiffCommand"
      ],
      "type" : "test"
    },
    {
      "c99name" : "XCDiffCommand",
      "module_type" : "SwiftTarget",
      "name" : "XCDiffCommand",
      "path" : "Sources/XCDiffCommand",
      "product_dependencies" : [
        "PathKit",
        "SwiftToolsSupport-auto",
        "ArgumentParser"
      ],
      "product_memberships" : [
        "xcdiff",
        "XCDiffCommand"
      ],
      "sources" : [
        "CommandRunner.swift",
        "Constants.swift",
        "Utils.swift"
      ],
      "target_dependencies" : [
        "XCDiffCore"
      ],
      "type" : "library"
    },
    {
      "c99name" : "XCDiff",
      "module_type" : "SwiftTarget",
      "name" : "XCDiff",
      "path" : "Sources/XCDiff",
      "product_memberships" : [
        "xcdiff"
      ],
      "sources" : [
        "main.swift"
      ],
      "target_dependencies" : [
        "XCDiffCommand"
      ],
      "type" : "executable"
    }
  ],
  "tools_version" : "5.5"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "xcdiff",
      "xcdiff-Package",
      "XCDiffCommand",
      "XCDiffCore"
    ]
  }
}
2026-09-28 19:30:34.420 xcodebuild[1037:6177] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme xcdiff-Package -destination generic/platform=watchOS
Command line invocation:
    /Applications/Xcode-26.3.0.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 xcdiff-Package -destination generic/platform=watchOS
Resolve Package Graph
Resolved source packages:
  Spectre: https://github.com/kylef/Spectre.git @ 0.10.1
  swift-argument-parser: https://github.com/apple/swift-argument-parser @ 1.8.2
  PathKit: https://github.com/kylef/PathKit @ 1.0.1
  AEXML: https://github.com/tadija/AEXML.git @ 4.7.0
  swift-tools-support-core: https://github.com/apple/swift-tools-support-core.git @ 0.8.0
  xcdiff: /Users/admin/builder/spi-builder-workspace
  XcodeProj: https://github.com/tuist/xcodeproj.git @ 8.27.7
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (19 targets)
    Target 'xcdiff' in project 'xcdiff'
        ➜ Explicit dependency on target 'XCDiffCore' in project 'xcdiff'
        ➜ Explicit dependency on target 'XCDiffCommand' in project 'xcdiff'
        ➜ Explicit dependency on target 'XcodeProj' in project 'XcodeProj'
        ➜ Explicit dependency on target 'PathKit' in project 'PathKit'
        ➜ Explicit dependency on target 'SwiftToolsSupport-auto' in project 'swift-tools-support-core'
        ➜ Explicit dependency on target 'ArgumentParser' in project 'swift-argument-parser'
    Target 'XCDiffCore' in project 'xcdiff'
        ➜ Explicit dependency on target 'XCDiffCore' in project 'xcdiff'
        ➜ Explicit dependency on target 'XcodeProj' in project 'XcodeProj'
    Target 'XCDiffCommand' in project 'xcdiff'
        ➜ Explicit dependency on target 'XCDiffCommand' in project 'xcdiff'
        ➜ Explicit dependency on target 'XCDiffCore' in project 'xcdiff'
        ➜ Explicit dependency on target 'XcodeProj' in project 'XcodeProj'
        ➜ Explicit dependency on target 'PathKit' in project 'PathKit'
        ➜ Explicit dependency on target 'SwiftToolsSupport-auto' in project 'swift-tools-support-core'
        ➜ Explicit dependency on target 'ArgumentParser' in project 'swift-argument-parser'
    Target 'XCDiffCommand' in project 'xcdiff'
        ➜ Explicit dependency on target 'XCDiffCore' in project 'xcdiff'
        ➜ Explicit dependency on target 'XcodeProj' in project 'XcodeProj'
        ➜ Explicit dependency on target 'PathKit' in project 'PathKit'
        ➜ Explicit dependency on target 'SwiftToolsSupport-auto' in project 'swift-tools-support-core'
        ➜ Explicit dependency on target 'ArgumentParser' in project 'swift-argument-parser'
    Target 'ArgumentParser' in project 'swift-argument-parser'
        ➜ Explicit dependency on target 'ArgumentParser' in project 'swift-argument-parser'
        ➜ Explicit dependency on target 'ArgumentParserToolInfo' in project 'swift-argument-parser'
    Target 'ArgumentParser' in project 'swift-argument-parser'
        ➜ Explicit dependency on target 'ArgumentParserToolInfo' in project 'swift-argument-parser'
    Target 'ArgumentParserToolInfo' in project 'swift-argument-parser' (no dependencies)
    Target 'SwiftToolsSupport-auto' in project 'swift-tools-support-core'
        ➜ Explicit dependency on target 'TSCBasic' in project 'swift-tools-support-core'
        ➜ Explicit dependency on target 'TSCUtility' in project 'swift-tools-support-core'
        ➜ Explicit dependency on target 'TSCLibc' in project 'swift-tools-support-core'
        ➜ Explicit dependency on target 'TSCclibc' in project 'swift-tools-support-core'
    Target 'TSCUtility' in project 'swift-tools-support-core'
        ➜ Explicit dependency on target 'TSCLibc' in project 'swift-tools-support-core'
        ➜ Explicit dependency on target 'TSCclibc' in project 'swift-tools-support-core'
        ➜ Explicit dependency on target 'TSCBasic' in project 'swift-tools-support-core'
    Target 'TSCBasic' in project 'swift-tools-support-core'
        ➜ Explicit dependency on target 'TSCLibc' in project 'swift-tools-support-core'
        ➜ Explicit dependency on target 'TSCclibc' in project 'swift-tools-support-core'
    Target 'TSCclibc' in project 'swift-tools-support-core' (no dependencies)
    Target 'TSCLibc' in project 'swift-tools-support-core' (no dependencies)
    Target 'XCDiffCore' in project 'xcdiff'
        ➜ Explicit dependency on target 'XcodeProj' in project 'XcodeProj'
    Target 'XcodeProj' in project 'XcodeProj'
        ➜ Explicit dependency on target 'XcodeProj' in project 'XcodeProj'
        ➜ Explicit dependency on target 'PathKit' in project 'PathKit'
        ➜ Explicit dependency on target 'AEXML' in project 'AEXML'
    Target 'XcodeProj' in project 'XcodeProj'
        ➜ Explicit dependency on target 'PathKit' in project 'PathKit'
        ➜ Explicit dependency on target 'AEXML' in project 'AEXML'
    Target 'AEXML' in project 'AEXML'
        ➜ Explicit dependency on target 'AEXML' in project 'AEXML'
    Target 'AEXML' in project 'AEXML' (no dependencies)
    Target 'PathKit' in project 'PathKit'
        ➜ Explicit dependency on target 'PathKit' in project 'PathKit'
    Target 'PathKit' in project 'PathKit' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-26.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-26.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64 -isysroot /Applications/Xcode-26.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.2.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-26.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.2.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
ExecuteExternalTool /Applications/Xcode-26.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch armv7k -isysroot /Applications/Xcode-26.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.2.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64_32 -isysroot /Applications/Xcode-26.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.2.sdk -x c -c /dev/null
ReadFileContents /Applications/Xcode-26.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/share/docc/features.json
Build description signature: f852d5676901e39734cf4e44ebcd2b82
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/f852d5676901e39734cf4e44ebcd2b82.xcbuilddata
error: The package product 'SwiftToolsSupport-auto' requires minimum platform version 6.0 for the watchOS platform, but this target supports 5.0 (in target 'xcdiff' from project 'xcdiff')
error: The package product 'SwiftToolsSupport-auto' requires minimum platform version 6.0 for the watchOS platform, but this target supports 5.0 (in target 'XCDiffCommand' from project 'xcdiff')
2026-09-28 19:30:36.428 xcodebuild[1047:6260] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
** BUILD FAILED **
The following build commands failed:
	Building workspace spi-builder-workspace with scheme xcdiff-Package
(1 failure)
BUILD FAILURE 6.2 watchOS