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Build Information

Failed to build CellKit, reference main (80cdd7), with Swift 6.2 (beta) for macOS (Xcode) using Xcode 26.0 on 18 Jun 2025 17:33:08 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-26.0.0-Beta.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme CellKit-Package -destination platform=macOS,arch=arm64

Build Log

========================================
RunAll
========================================
Builder version: 4.64.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/futuredapp/CellKit.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/futuredapp/CellKit
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 80cdd77 Merge pull request #49 from futuredapp/housekeep/supplementary-kinds
Cloned https://github.com/futuredapp/CellKit.git
Revision (git rev-parse @):
80cdd77e999f0c4266c9fd1392b9bebaeb50e71a
SUCCESS checkout https://github.com/futuredapp/CellKit.git at main
========================================
Build
========================================
Selected platform:         macosXcodebuild
Swift version:             6.2
Building package at path:  $PWD
https://github.com/futuredapp/CellKit.git
Command line invocation:
    /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Fetching from https://github.com/ra1028/DifferenceKit.git
Creating working copy of package ‘DifferenceKit’
Checking out 1.3.0 of package ‘DifferenceKit’
Resolve Package Graph
Resolved source packages:
  DifferenceKit: https://github.com/ra1028/DifferenceKit.git @ 1.3.0
  CellKit: /Users/admin/builder/spi-builder-workspace
resolved source packages: DifferenceKit, CellKit
{
  "dependencies" : [
    {
      "identity" : "differencekit",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.0.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/ra1028/DifferenceKit.git"
    }
  ],
  "manifest_display_name" : "CellKit",
  "name" : "CellKit",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "9.0"
    },
    {
      "name" : "tvos",
      "version" : "9.0"
    }
  ],
  "products" : [
    {
      "name" : "CellKit",
      "targets" : [
        "CellKit"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "DiffableCellKit",
      "targets" : [
        "DiffableCellKit"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "DiffableCellKit",
      "module_type" : "SwiftTarget",
      "name" : "DiffableCellKit",
      "path" : "Sources/DiffableCellKit",
      "product_dependencies" : [
        "DifferenceKit"
      ],
      "product_memberships" : [
        "DiffableCellKit"
      ],
      "sources" : [
        "DifferentiableCellModel.swift",
        "DifferentiableCellModelDataSource.swift",
        "DifferentiableCellModelSection.swift"
      ],
      "target_dependencies" : [
        "CellKit"
      ],
      "type" : "library"
    },
    {
      "c99name" : "CellKit",
      "module_type" : "SwiftTarget",
      "name" : "CellKit",
      "path" : "Sources/CellKit",
      "product_memberships" : [
        "CellKit",
        "DiffableCellKit"
      ],
      "sources" : [
        "CellConfigurable.swift",
        "CellConvertible.swift",
        "CellModel.swift",
        "CellModelDataSource.swift",
        "CellModelSection.swift",
        "CellModelSelectable.swift",
        "CollectionReusableView.swift",
        "DataSource.swift",
        "DiffableDataSources/CollectionSupplementaryViewModel.swift",
        "DiffableDataSources/LazyCellProvider.swift",
        "DiffableDataSources/LazySupplementaryViewProvider.swift",
        "DiffableDataSources/SupplementaryElementKind.swift",
        "ReusableView.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.1"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "CellKit",
      "CellKit-Package",
      "DiffableCellKit"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.0.0-Beta.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme CellKit-Package -destination platform=macOS,arch=arm64
Command line invocation:
    /Applications/Xcode-26.0.0-Beta.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 CellKit-Package -destination platform=macOS,arch=arm64
Resolve Package Graph
Resolve Package Graph
Resolved source packages:
  CellKit: /Users/admin/builder/spi-builder-workspace
  DifferenceKit: https://github.com/ra1028/DifferenceKit.git @ 1.3.0
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (6 targets)
    Target 'DiffableCellKit' in project 'CellKit'
        ➜ Explicit dependency on target 'DiffableCellKit' in project 'CellKit'
        ➜ Explicit dependency on target 'CellKit' in project 'CellKit'
        ➜ Explicit dependency on target 'DifferenceKit' in project 'DifferenceKit'
    Target 'DiffableCellKit' in project 'CellKit'
        ➜ Explicit dependency on target 'CellKit' in project 'CellKit'
        ➜ Explicit dependency on target 'DifferenceKit' in project 'DifferenceKit'
    Target 'DifferenceKit' in project 'DifferenceKit'
        ➜ Explicit dependency on target 'DifferenceKit' in project 'DifferenceKit'
    Target 'DifferenceKit' in project 'DifferenceKit' (no dependencies)
    Target 'CellKit' in project 'CellKit'
        ➜ Explicit dependency on target 'CellKit' in project 'CellKit'
    Target 'CellKit' in project 'CellKit' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX26.0.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: b1f3b2b40e5fbf1727e83cbbe6aaaa39
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/b1f3b2b40e5fbf1727e83cbbe6aaaa39.xcbuilddata
ClangStatCache /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX26.0.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx26.0-25A5279m-f7c1d129d9d5414f2afbbad1fd6fd62e.sdkstatcache
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX26.0.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx26.0-25A5279m-f7c1d129d9d5414f2afbbad1fd6fd62e.sdkstatcache
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/EagerLinkingTBDs/Debug
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/EagerLinkingTBDs/Debug
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug/PackageFrameworks
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug/PackageFrameworks
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/DifferenceKit.build/Debug/DifferenceKit.build/DifferenceKit.DependencyMetadataFileList (in target 'DifferenceKit' from project 'DifferenceKit')
    cd /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/DifferenceKit
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/DifferenceKit.build/Debug/DifferenceKit.build/DifferenceKit.DependencyMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/DifferenceKit.build/Debug/DifferenceKit.build/Objects-normal/arm64/DifferenceKit.SwiftFileList (in target 'DifferenceKit' from project 'DifferenceKit')
    cd /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/DifferenceKit
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/DifferenceKit.build/Debug/DifferenceKit.build/Objects-normal/arm64/DifferenceKit.SwiftFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/DifferenceKit.build/Debug/DifferenceKit.build/Objects-normal/arm64/DifferenceKit.SwiftConstValuesFileList (in target 'DifferenceKit' from project 'DifferenceKit')
    cd /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/DifferenceKit
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/DifferenceKit.build/Debug/DifferenceKit.build/Objects-normal/arm64/DifferenceKit.SwiftConstValuesFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/DifferenceKit.build/Debug/DifferenceKit.build/DifferenceKit.DependencyStaticMetadataFileList (in target 'DifferenceKit' from project 'DifferenceKit')
    cd /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/DifferenceKit
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/DifferenceKit.build/Debug/DifferenceKit.build/DifferenceKit.DependencyStaticMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/DifferenceKit.build/Debug/DifferenceKit.build/Objects-normal/arm64/DifferenceKit_const_extract_protocols.json (in target 'DifferenceKit' from project 'DifferenceKit')
    cd /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/DifferenceKit
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/DifferenceKit.build/Debug/DifferenceKit.build/Objects-normal/arm64/DifferenceKit_const_extract_protocols.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/DifferenceKit.build/Debug/DifferenceKit.build/Objects-normal/arm64/DifferenceKit.LinkFileList (in target 'DifferenceKit' from project 'DifferenceKit')
    cd /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/DifferenceKit
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/DifferenceKit.build/Debug/DifferenceKit.build/Objects-normal/arm64/DifferenceKit.LinkFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/DifferenceKit.build/Debug/DifferenceKit.build/Objects-normal/arm64/DifferenceKit-OutputFileMap.json (in target 'DifferenceKit' from project 'DifferenceKit')
    cd /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/DifferenceKit
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/DifferenceKit.build/Debug/DifferenceKit.build/Objects-normal/arm64/DifferenceKit-OutputFileMap.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/DifferenceKit.build/Debug/DifferenceKit.build/DifferenceKit.modulemap (in target 'DifferenceKit' from project 'DifferenceKit')
    cd /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/DifferenceKit
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/DifferenceKit.build/Debug/DifferenceKit.build/DifferenceKit.modulemap
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CellKit.build/Debug/DiffableCellKit.build/Objects-normal/arm64/DiffableCellKit_const_extract_protocols.json (in target 'DiffableCellKit' from project 'CellKit')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CellKit.build/Debug/DiffableCellKit.build/Objects-normal/arm64/DiffableCellKit_const_extract_protocols.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CellKit.build/Debug/DiffableCellKit.build/Objects-normal/arm64/DiffableCellKit.SwiftFileList (in target 'DiffableCellKit' from project 'CellKit')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CellKit.build/Debug/DiffableCellKit.build/Objects-normal/arm64/DiffableCellKit.SwiftFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CellKit.build/Debug/DiffableCellKit.build/Objects-normal/arm64/DiffableCellKit.SwiftConstValuesFileList (in target 'DiffableCellKit' from project 'CellKit')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CellKit.build/Debug/DiffableCellKit.build/Objects-normal/arm64/DiffableCellKit.SwiftConstValuesFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CellKit.build/Debug/DiffableCellKit.build/Objects-normal/arm64/DiffableCellKit-OutputFileMap.json (in target 'DiffableCellKit' from project 'CellKit')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CellKit.build/Debug/DiffableCellKit.build/Objects-normal/arm64/DiffableCellKit-OutputFileMap.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CellKit.build/Debug/DiffableCellKit.build/Objects-normal/arm64/DiffableCellKit.LinkFileList (in target 'DiffableCellKit' from project 'CellKit')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CellKit.build/Debug/DiffableCellKit.build/Objects-normal/arm64/DiffableCellKit.LinkFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CellKit.build/Debug/DiffableCellKit.build/DiffableCellKit.modulemap (in target 'DiffableCellKit' from project 'CellKit')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CellKit.build/Debug/DiffableCellKit.build/DiffableCellKit.modulemap
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CellKit.build/Debug/DiffableCellKit.build/DiffableCellKit.DependencyStaticMetadataFileList (in target 'DiffableCellKit' from project 'CellKit')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CellKit.build/Debug/DiffableCellKit.build/DiffableCellKit.DependencyStaticMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CellKit.build/Debug/DiffableCellKit.build/DiffableCellKit.DependencyMetadataFileList (in target 'DiffableCellKit' from project 'CellKit')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CellKit.build/Debug/DiffableCellKit.build/DiffableCellKit.DependencyMetadataFileList
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps/DifferenceKit.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/DifferenceKit.build/Debug/DifferenceKit.build/DifferenceKit.modulemap (in target 'DifferenceKit' from project 'DifferenceKit')
    cd /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/DifferenceKit
    builtin-copy -exclude .DS_Store -exclude CVS -exclude .svn -exclude .git -exclude .hg -resolve-src-symlinks /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/DifferenceKit.build/Debug/DifferenceKit.build/DifferenceKit.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CellKit.build/Debug/CellKit.build/Objects-normal/arm64/CellKit_const_extract_protocols.json (in target 'CellKit' from project 'CellKit')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CellKit.build/Debug/CellKit.build/Objects-normal/arm64/CellKit_const_extract_protocols.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CellKit.build/Debug/CellKit.build/Objects-normal/arm64/CellKit.SwiftFileList (in target 'CellKit' from project 'CellKit')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CellKit.build/Debug/CellKit.build/Objects-normal/arm64/CellKit.SwiftFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CellKit.build/Debug/CellKit.build/Objects-normal/arm64/CellKit.SwiftConstValuesFileList (in target 'CellKit' from project 'CellKit')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CellKit.build/Debug/CellKit.build/Objects-normal/arm64/CellKit.SwiftConstValuesFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CellKit.build/Debug/CellKit.build/Objects-normal/arm64/CellKit.LinkFileList (in target 'CellKit' from project 'CellKit')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CellKit.build/Debug/CellKit.build/Objects-normal/arm64/CellKit.LinkFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CellKit.build/Debug/CellKit.build/Objects-normal/arm64/CellKit-OutputFileMap.json (in target 'CellKit' from project 'CellKit')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CellKit.build/Debug/CellKit.build/Objects-normal/arm64/CellKit-OutputFileMap.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CellKit.build/Debug/CellKit.build/CellKit.modulemap (in target 'CellKit' from project 'CellKit')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CellKit.build/Debug/CellKit.build/CellKit.modulemap
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps/DiffableCellKit.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CellKit.build/Debug/DiffableCellKit.build/DiffableCellKit.modulemap (in target 'DiffableCellKit' from project 'CellKit')
    cd /Users/admin/builder/spi-builder-workspace
    builtin-copy -exclude .DS_Store -exclude CVS -exclude .svn -exclude .git -exclude .hg -resolve-src-symlinks /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CellKit.build/Debug/DiffableCellKit.build/DiffableCellKit.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CellKit.build/Debug/CellKit.build/CellKit.DependencyStaticMetadataFileList (in target 'CellKit' from project 'CellKit')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CellKit.build/Debug/CellKit.build/CellKit.DependencyStaticMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CellKit.build/Debug/CellKit.build/CellKit.DependencyMetadataFileList (in target 'CellKit' from project 'CellKit')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CellKit.build/Debug/CellKit.build/CellKit.DependencyMetadataFileList
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps/CellKit.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CellKit.build/Debug/CellKit.build/CellKit.modulemap (in target 'CellKit' from project 'CellKit')
    cd /Users/admin/builder/spi-builder-workspace
    builtin-copy -exclude .DS_Store -exclude CVS -exclude .svn -exclude .git -exclude .hg -resolve-src-symlinks /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CellKit.build/Debug/CellKit.build/CellKit.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps
SwiftDriver DifferenceKit normal arm64 com.apple.xcode.tools.swift.compiler (in target 'DifferenceKit' from project 'DifferenceKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftDriver -- /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -module-name DifferenceKit -Onone -enforce-exclusivity\=checked @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/DifferenceKit.build/Debug/DifferenceKit.build/Objects-normal/arm64/DifferenceKit.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -DXcode -plugin-path /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX26.0.sdk -target arm64-apple-macos10.13 -g -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -Xfrontend -serialize-debugging-options -enable-testing -suppress-warnings -index-store-path /Users/admin/builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -swift-version 5 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -I /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -F /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx26.0-25A5279m-f7c1d129d9d5414f2afbbad1fd6fd62e.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/DifferenceKit.build/Debug/DifferenceKit.build/Objects-normal/arm64/DifferenceKit-OutputFileMap.json -use-frontend-parseable-output -save-temps -no-color-diagnostics -explicit-module-build -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules -clang-scanner-module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -sdk-module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -serialize-diagnostics -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/DifferenceKit.build/Debug/DifferenceKit.build/Objects-normal/arm64/DifferenceKit.swiftmodule -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/DifferenceKit.build/Debug/DifferenceKit.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/DifferenceKit.build/Debug/DifferenceKit.build/Objects-normal/arm64/DifferenceKit_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/DifferenceKit.build/Debug/DifferenceKit.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/DifferenceKit.build/Debug/DifferenceKit.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/DifferenceKit.build/Debug/DifferenceKit.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -emit-objc-header -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/DifferenceKit.build/Debug/DifferenceKit.build/Objects-normal/arm64/DifferenceKit-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftDriver CellKit normal arm64 com.apple.xcode.tools.swift.compiler (in target 'CellKit' from project 'CellKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftDriver -- /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -module-name CellKit -Onone -enforce-exclusivity\=checked @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CellKit.build/Debug/CellKit.build/Objects-normal/arm64/CellKit.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -DXcode -plugin-path /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX26.0.sdk -target arm64-apple-macos10.13 -g -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -Xfrontend -serialize-debugging-options -enable-testing -index-store-path /Users/admin/builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -swift-version 5 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -I /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -F /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx26.0-25A5279m-f7c1d129d9d5414f2afbbad1fd6fd62e.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CellKit.build/Debug/CellKit.build/Objects-normal/arm64/CellKit-OutputFileMap.json -use-frontend-parseable-output -save-temps -no-color-diagnostics -explicit-module-build -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules -clang-scanner-module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -sdk-module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -serialize-diagnostics -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CellKit.build/Debug/CellKit.build/Objects-normal/arm64/CellKit.swiftmodule -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CellKit.build/Debug/CellKit.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CellKit.build/Debug/CellKit.build/Objects-normal/arm64/CellKit_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CellKit.build/Debug/CellKit.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CellKit.build/Debug/CellKit.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CellKit.build/Debug/CellKit.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -emit-objc-header -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CellKit.build/Debug/CellKit.build/Objects-normal/arm64/CellKit-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
/Users/admin/builder/spi-builder-workspace/Sources/CellKit/CollectionReusableView.swift:1:8: error: Unable to find module dependency: 'UIKit'
import UIKit
       ^ (in target 'CellKit' from project 'CellKit')
/Users/admin/builder/spi-builder-workspace/Sources/CellKit/CollectionReusableView.swift:1:8: note: A dependency of main module 'CellKit'
import UIKit
       ^ (in target 'CellKit' from project 'CellKit')
/Users/admin/builder/spi-builder-workspace/Sources/CellKit/DataSource.swift:1:8: note: Also imported here
import UIKit
       ^ (in target 'CellKit' from project 'CellKit')
/Users/admin/builder/spi-builder-workspace/Sources/CellKit/DiffableDataSources/LazyCellProvider.swift:1:8: note: Also imported here
import UIKit
       ^ (in target 'CellKit' from project 'CellKit')
/Users/admin/builder/spi-builder-workspace/Sources/CellKit/DiffableDataSources/LazySupplementaryViewProvider.swift:1:8: note: Also imported here
import UIKit
       ^ (in target 'CellKit' from project 'CellKit')
/Users/admin/builder/spi-builder-workspace/Sources/CellKit/DiffableDataSources/SupplementaryElementKind.swift:1:8: note: Also imported here
import UIKit
       ^ (in target 'CellKit' from project 'CellKit')
/Users/admin/builder/spi-builder-workspace/Sources/CellKit/ReusableView.swift:2:14: note: Also imported here
import class UIKit.UINib
             ^ (in target 'CellKit' from project 'CellKit')
--- xcodebuild: WARNING: Using the first of multiple matching destinations:
{ platform:macOS, arch:arm64, id:76191a1135dd3d7f5715395bbed61f9da0418e99, name:My Mac }
{ platform:macOS, arch:arm64, variant:Mac Catalyst, id:76191a1135dd3d7f5715395bbed61f9da0418e99, name:My Mac }
{ platform:macOS, arch:arm64, variant:DriverKit, id:76191a1135dd3d7f5715395bbed61f9da0418e99, name:My Mac }
{ platform:macOS, arch:arm64, variant:Designed for [iPad,iPhone], id:76191a1135dd3d7f5715395bbed61f9da0418e99, name:My Mac }
/Users/admin/builder/spi-builder-workspace/Sources/CellKit/CollectionReusableView.swift:1:8: error: Unable to find module dependency: 'UIKit'
import UIKit
       ^
/Users/admin/builder/spi-builder-workspace/Sources/CellKit/CollectionReusableView.swift:1:8: note: a dependency of main module 'CellKit'
import UIKit
       ^
/Users/admin/builder/spi-builder-workspace/Sources/CellKit/DataSource.swift:1:8: note: also imported here
import UIKit
       ^
/Users/admin/builder/spi-builder-workspace/Sources/CellKit/DiffableDataSources/LazyCellProvider.swift:1:8: note: also imported here
import UIKit
       ^
/Users/admin/builder/spi-builder-workspace/Sources/CellKit/DiffableDataSources/LazySupplementaryViewProvider.swift:1:8: note: also imported here
import UIKit
       ^
/Users/admin/builder/spi-builder-workspace/Sources/CellKit/DiffableDataSources/SupplementaryElementKind.swift:1:8: note: also imported here
import UIKit
       ^
/Users/admin/builder/spi-builder-workspace/Sources/CellKit/ReusableView.swift:2:14: note: also imported here
import class UIKit.UINib
             ^
** BUILD FAILED **
The following build commands failed:
	SwiftDriver CellKit normal arm64 com.apple.xcode.tools.swift.compiler (in target 'CellKit' from project 'CellKit')
	Building workspace spi-builder-workspace with scheme CellKit-Package
(2 failures)
Command line invocation:
    /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Resolved source packages:
  DifferenceKit: https://github.com/ra1028/DifferenceKit.git @ 1.3.0
  CellKit: /Users/admin/builder/spi-builder-workspace
resolved source packages: DifferenceKit, CellKit
{
  "dependencies" : [
    {
      "identity" : "differencekit",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.0.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/ra1028/DifferenceKit.git"
    }
  ],
  "manifest_display_name" : "CellKit",
  "name" : "CellKit",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "9.0"
    },
    {
      "name" : "tvos",
      "version" : "9.0"
    }
  ],
  "products" : [
    {
      "name" : "CellKit",
      "targets" : [
        "CellKit"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "DiffableCellKit",
      "targets" : [
        "DiffableCellKit"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "DiffableCellKit",
      "module_type" : "SwiftTarget",
      "name" : "DiffableCellKit",
      "path" : "Sources/DiffableCellKit",
      "product_dependencies" : [
        "DifferenceKit"
      ],
      "product_memberships" : [
        "DiffableCellKit"
      ],
      "sources" : [
        "DifferentiableCellModel.swift",
        "DifferentiableCellModelDataSource.swift",
        "DifferentiableCellModelSection.swift"
      ],
      "target_dependencies" : [
        "CellKit"
      ],
      "type" : "library"
    },
    {
      "c99name" : "CellKit",
      "module_type" : "SwiftTarget",
      "name" : "CellKit",
      "path" : "Sources/CellKit",
      "product_memberships" : [
        "CellKit",
        "DiffableCellKit"
      ],
      "sources" : [
        "CellConfigurable.swift",
        "CellConvertible.swift",
        "CellModel.swift",
        "CellModelDataSource.swift",
        "CellModelSection.swift",
        "CellModelSelectable.swift",
        "CollectionReusableView.swift",
        "DataSource.swift",
        "DiffableDataSources/CollectionSupplementaryViewModel.swift",
        "DiffableDataSources/LazyCellProvider.swift",
        "DiffableDataSources/LazySupplementaryViewProvider.swift",
        "DiffableDataSources/SupplementaryElementKind.swift",
        "ReusableView.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.1"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "CellKit",
      "CellKit-Package",
      "DiffableCellKit"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.0.0-Beta.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme CellKit-Package -destination platform=macOS,arch=arm64
Command line invocation:
    /Applications/Xcode-26.0.0-Beta.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 CellKit-Package -destination platform=macOS,arch=arm64
Resolve Package Graph
Resolved source packages:
  CellKit: /Users/admin/builder/spi-builder-workspace
  DifferenceKit: https://github.com/ra1028/DifferenceKit.git @ 1.3.0
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (6 targets)
    Target 'DiffableCellKit' in project 'CellKit'
        ➜ Explicit dependency on target 'DiffableCellKit' in project 'CellKit'
        ➜ Explicit dependency on target 'CellKit' in project 'CellKit'
        ➜ Explicit dependency on target 'DifferenceKit' in project 'DifferenceKit'
    Target 'DiffableCellKit' in project 'CellKit'
        ➜ Explicit dependency on target 'CellKit' in project 'CellKit'
        ➜ Explicit dependency on target 'DifferenceKit' in project 'DifferenceKit'
    Target 'DifferenceKit' in project 'DifferenceKit'
        ➜ Explicit dependency on target 'DifferenceKit' in project 'DifferenceKit'
    Target 'DifferenceKit' in project 'DifferenceKit' (no dependencies)
    Target 'CellKit' in project 'CellKit'
        ➜ Explicit dependency on target 'CellKit' in project 'CellKit'
    Target 'CellKit' in project 'CellKit' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ClangStatCache /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX26.0.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx26.0-25A5279m-f7c1d129d9d5414f2afbbad1fd6fd62e.sdkstatcache
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX26.0.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx26.0-25A5279m-f7c1d129d9d5414f2afbbad1fd6fd62e.sdkstatcache
SwiftDriver DifferenceKit normal arm64 com.apple.xcode.tools.swift.compiler (in target 'DifferenceKit' from project 'DifferenceKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftDriver -- /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -module-name DifferenceKit -Onone -enforce-exclusivity\=checked @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/DifferenceKit.build/Debug/DifferenceKit.build/Objects-normal/arm64/DifferenceKit.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -DXcode -plugin-path /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX26.0.sdk -target arm64-apple-macos10.13 -g -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -Xfrontend -serialize-debugging-options -enable-testing -suppress-warnings -index-store-path /Users/admin/builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -swift-version 5 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -I /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -F /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx26.0-25A5279m-f7c1d129d9d5414f2afbbad1fd6fd62e.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/DifferenceKit.build/Debug/DifferenceKit.build/Objects-normal/arm64/DifferenceKit-OutputFileMap.json -use-frontend-parseable-output -save-temps -no-color-diagnostics -explicit-module-build -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules -clang-scanner-module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -sdk-module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -serialize-diagnostics -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/DifferenceKit.build/Debug/DifferenceKit.build/Objects-normal/arm64/DifferenceKit.swiftmodule -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/DifferenceKit.build/Debug/DifferenceKit.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/DifferenceKit.build/Debug/DifferenceKit.build/Objects-normal/arm64/DifferenceKit_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/DifferenceKit.build/Debug/DifferenceKit.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/DifferenceKit.build/Debug/DifferenceKit.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/DifferenceKit.build/Debug/DifferenceKit.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -emit-objc-header -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/DifferenceKit.build/Debug/DifferenceKit.build/Objects-normal/arm64/DifferenceKit-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftDriver CellKit normal arm64 com.apple.xcode.tools.swift.compiler (in target 'CellKit' from project 'CellKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftDriver -- /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -module-name CellKit -Onone -enforce-exclusivity\=checked @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CellKit.build/Debug/CellKit.build/Objects-normal/arm64/CellKit.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -DXcode -plugin-path /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX26.0.sdk -target arm64-apple-macos10.13 -g -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -Xfrontend -serialize-debugging-options -enable-testing -index-store-path /Users/admin/builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -swift-version 5 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -I /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -F /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx26.0-25A5279m-f7c1d129d9d5414f2afbbad1fd6fd62e.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CellKit.build/Debug/CellKit.build/Objects-normal/arm64/CellKit-OutputFileMap.json -use-frontend-parseable-output -save-temps -no-color-diagnostics -explicit-module-build -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules -clang-scanner-module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -sdk-module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -serialize-diagnostics -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CellKit.build/Debug/CellKit.build/Objects-normal/arm64/CellKit.swiftmodule -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CellKit.build/Debug/CellKit.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CellKit.build/Debug/CellKit.build/Objects-normal/arm64/CellKit_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CellKit.build/Debug/CellKit.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CellKit.build/Debug/CellKit.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CellKit.build/Debug/CellKit.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -emit-objc-header -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CellKit.build/Debug/CellKit.build/Objects-normal/arm64/CellKit-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
/Users/admin/builder/spi-builder-workspace/Sources/CellKit/CollectionReusableView.swift:1:8: error: Unable to find module dependency: 'UIKit'
import UIKit
       ^ (in target 'CellKit' from project 'CellKit')
/Users/admin/builder/spi-builder-workspace/Sources/CellKit/CollectionReusableView.swift:1:8: note: A dependency of main module 'CellKit'
import UIKit
       ^ (in target 'CellKit' from project 'CellKit')
/Users/admin/builder/spi-builder-workspace/Sources/CellKit/DataSource.swift:1:8: note: Also imported here
import UIKit
       ^ (in target 'CellKit' from project 'CellKit')
/Users/admin/builder/spi-builder-workspace/Sources/CellKit/DiffableDataSources/LazyCellProvider.swift:1:8: note: Also imported here
import UIKit
       ^ (in target 'CellKit' from project 'CellKit')
/Users/admin/builder/spi-builder-workspace/Sources/CellKit/DiffableDataSources/LazySupplementaryViewProvider.swift:1:8: note: Also imported here
import UIKit
       ^ (in target 'CellKit' from project 'CellKit')
/Users/admin/builder/spi-builder-workspace/Sources/CellKit/DiffableDataSources/SupplementaryElementKind.swift:1:8: note: Also imported here
import UIKit
       ^ (in target 'CellKit' from project 'CellKit')
/Users/admin/builder/spi-builder-workspace/Sources/CellKit/ReusableView.swift:2:14: note: Also imported here
import class UIKit.UINib
             ^ (in target 'CellKit' from project 'CellKit')
--- xcodebuild: WARNING: Using the first of multiple matching destinations:
{ platform:macOS, arch:arm64, id:76191a1135dd3d7f5715395bbed61f9da0418e99, name:My Mac }
{ platform:macOS, arch:arm64, variant:Mac Catalyst, id:76191a1135dd3d7f5715395bbed61f9da0418e99, name:My Mac }
{ platform:macOS, arch:arm64, variant:DriverKit, id:76191a1135dd3d7f5715395bbed61f9da0418e99, name:My Mac }
{ platform:macOS, arch:arm64, variant:Designed for [iPad,iPhone], id:76191a1135dd3d7f5715395bbed61f9da0418e99, name:My Mac }
/Users/admin/builder/spi-builder-workspace/Sources/CellKit/CollectionReusableView.swift:1:8: error: Unable to find module dependency: 'UIKit'
import UIKit
       ^
/Users/admin/builder/spi-builder-workspace/Sources/CellKit/CollectionReusableView.swift:1:8: note: a dependency of main module 'CellKit'
import UIKit
       ^
/Users/admin/builder/spi-builder-workspace/Sources/CellKit/DataSource.swift:1:8: note: also imported here
import UIKit
       ^
/Users/admin/builder/spi-builder-workspace/Sources/CellKit/DiffableDataSources/LazyCellProvider.swift:1:8: note: also imported here
import UIKit
       ^
/Users/admin/builder/spi-builder-workspace/Sources/CellKit/DiffableDataSources/LazySupplementaryViewProvider.swift:1:8: note: also imported here
import UIKit
       ^
/Users/admin/builder/spi-builder-workspace/Sources/CellKit/DiffableDataSources/SupplementaryElementKind.swift:1:8: note: also imported here
import UIKit
       ^
/Users/admin/builder/spi-builder-workspace/Sources/CellKit/ReusableView.swift:2:14: note: also imported here
import class UIKit.UINib
             ^
** BUILD FAILED **
The following build commands failed:
	SwiftDriver CellKit normal arm64 com.apple.xcode.tools.swift.compiler (in target 'CellKit' from project 'CellKit')
	Building workspace spi-builder-workspace with scheme CellKit-Package
(2 failures)
BUILD FAILURE 6.2 macosXcodebuild