Swift Package Index

Build Information

Failed to build DifferenceKit, reference master (02ca19), with Swift 6.4 for watchOS using Xcode 27.0 on 18 Sep 2026 11:15:01 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 DifferenceKit -destination generic/platform=watchOS

Build Log

========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/ra1028/DifferenceKit.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/ra1028/DifferenceKit
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 02ca196 Create FUNDING.yml
Cloned https://github.com/ra1028/DifferenceKit.git
Revision (git rev-parse @):
02ca1968b10305d4d6771f4005a7ce2c507a8539
SUCCESS checkout https://github.com/ra1028/DifferenceKit.git at master
========================================
Build
========================================
Selected platform:         watchOS
Swift version:             6.4
Building package at path:  $PWD
https://github.com/ra1028/DifferenceKit.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" : "DifferenceKit",
  "name" : "DifferenceKit",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "9.0"
    },
    {
      "name" : "macos",
      "version" : "10.10"
    },
    {
      "name" : "tvos",
      "version" : "9.0"
    },
    {
      "name" : "watchos",
      "version" : "2.0"
    }
  ],
  "products" : [
    {
      "name" : "DifferenceKit",
      "targets" : [
        "DifferenceKit"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "swift_languages_versions" : [
    "4.2",
    "5"
  ],
  "targets" : [
    {
      "c99name" : "DifferenceKitTests",
      "module_type" : "SwiftTarget",
      "name" : "DifferenceKitTests",
      "path" : "Tests",
      "sources" : [
        "AlgorithmTest.swift",
        "AnyDifferentiableTest.swift",
        "ArraySectionTest.swift",
        "ChangesetTest.swift",
        "ContentEquatableTest.swift",
        "ElementPathTest.swift",
        "MeasurementTest.swift",
        "StagedChangesetTest.swift",
        "TestTools.swift",
        "XCTestManifests.swift"
      ],
      "target_dependencies" : [
        "DifferenceKit"
      ],
      "type" : "test"
    },
    {
      "c99name" : "DifferenceKit",
      "module_type" : "SwiftTarget",
      "name" : "DifferenceKit",
      "path" : "Sources",
      "product_memberships" : [
        "DifferenceKit"
      ],
      "sources" : [
        "Algorithm.swift",
        "AnyDifferentiable.swift",
        "ArraySection.swift",
        "Changeset.swift",
        "ContentEquatable.swift",
        "ContentIdentifiable.swift",
        "Differentiable.swift",
        "DifferentiableSection.swift",
        "ElementPath.swift",
        "Extensions/AppKitExtension.swift",
        "Extensions/UIKitExtension.swift",
        "StagedChangeset.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.0"
}
{
  "project" : {
    "configurations" : [
      "Debug",
      "Release"
    ],
    "name" : "DifferenceKit",
    "schemes" : [
      "DifferenceKit"
    ],
    "targets" : [
      "DifferenceKit",
      "Tests"
    ]
  }
}
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 DifferenceKit -destination generic/platform=watchOS
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 DifferenceKit -destination generic/platform=watchOS
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (1 target)
    Target 'DifferenceKit' in project 'DifferenceKit' (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/WatchOS.platform/Developer/SDKs/WatchOS27.0.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
Build description signature: 63d606771c7f000e54063b103a9887ab
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/63d606771c7f000e54063b103a9887ab.xcbuilddata
/Users/admin/builder/spi-builder-workspace/DifferenceKit.xcodeproj: error: The watchOS deployment target 'WATCHOS_DEPLOYMENT_TARGET' is set to 2.0, but the range of supported deployment target versions is 9.0 to 27.0.x. (in target 'DifferenceKit' from project 'DifferenceKit')
error: The armv7k architecture is deprecated. You should update your ARCHS build setting to remove the armv7k architecture. (in target 'DifferenceKit' from project 'DifferenceKit')
warning: None of the architectures in ARCHS (arm64, armv7k, arm64_32) are valid. Consider setting ARCHS to $(ARCHS_STANDARD) or updating it to include at least one value from VALID_ARCHS (armv7k). (in target 'DifferenceKit' from project 'DifferenceKit')
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 'DifferenceKit' from project 'DifferenceKit')
** BUILD FAILED **
The following build commands failed:
	Building project DifferenceKit with scheme DifferenceKit
(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" : "DifferenceKit",
  "name" : "DifferenceKit",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "9.0"
    },
    {
      "name" : "macos",
      "version" : "10.10"
    },
    {
      "name" : "tvos",
      "version" : "9.0"
    },
    {
      "name" : "watchos",
      "version" : "2.0"
    }
  ],
  "products" : [
    {
      "name" : "DifferenceKit",
      "targets" : [
        "DifferenceKit"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "swift_languages_versions" : [
    "4.2",
    "5"
  ],
  "targets" : [
    {
      "c99name" : "DifferenceKitTests",
      "module_type" : "SwiftTarget",
      "name" : "DifferenceKitTests",
      "path" : "Tests",
      "sources" : [
        "AlgorithmTest.swift",
        "AnyDifferentiableTest.swift",
        "ArraySectionTest.swift",
        "ChangesetTest.swift",
        "ContentEquatableTest.swift",
        "ElementPathTest.swift",
        "MeasurementTest.swift",
        "StagedChangesetTest.swift",
        "TestTools.swift",
        "XCTestManifests.swift"
      ],
      "target_dependencies" : [
        "DifferenceKit"
      ],
      "type" : "test"
    },
    {
      "c99name" : "DifferenceKit",
      "module_type" : "SwiftTarget",
      "name" : "DifferenceKit",
      "path" : "Sources",
      "product_memberships" : [
        "DifferenceKit"
      ],
      "sources" : [
        "Algorithm.swift",
        "AnyDifferentiable.swift",
        "ArraySection.swift",
        "Changeset.swift",
        "ContentEquatable.swift",
        "ContentIdentifiable.swift",
        "Differentiable.swift",
        "DifferentiableSection.swift",
        "ElementPath.swift",
        "Extensions/AppKitExtension.swift",
        "Extensions/UIKitExtension.swift",
        "StagedChangeset.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.0"
}
{
  "project" : {
    "configurations" : [
      "Debug",
      "Release"
    ],
    "name" : "DifferenceKit",
    "schemes" : [
      "DifferenceKit"
    ],
    "targets" : [
      "DifferenceKit",
      "Tests"
    ]
  }
}
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 DifferenceKit -destination generic/platform=watchOS
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 DifferenceKit -destination generic/platform=watchOS
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (1 target)
    Target 'DifferenceKit' in project 'DifferenceKit' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
error: The armv7k architecture is deprecated. You should update your ARCHS build setting to remove the armv7k architecture. (in target 'DifferenceKit' from project 'DifferenceKit')
/Users/admin/builder/spi-builder-workspace/DifferenceKit.xcodeproj: error: The watchOS deployment target 'WATCHOS_DEPLOYMENT_TARGET' is set to 2.0, but the range of supported deployment target versions is 9.0 to 27.0.x. (in target 'DifferenceKit' from project 'DifferenceKit')
warning: None of the architectures in ARCHS (arm64, armv7k, arm64_32) are valid. Consider setting ARCHS to $(ARCHS_STANDARD) or updating it to include at least one value from VALID_ARCHS (armv7k). (in target 'DifferenceKit' from project 'DifferenceKit')
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 'DifferenceKit' from project 'DifferenceKit')
** BUILD FAILED **
The following build commands failed:
	Building project DifferenceKit with scheme DifferenceKit
(1 failure)
BUILD FAILURE 6.4 watchOS