StableCollectionViewLayout – Build Information

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Build Information

Failed to build StableCollectionViewLayout, reference main (b41508), with Swift 6.2 (beta) for macOS (Xcode) using Xcode 26.0 on 20 Jun 2025 02:29:40 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 StableCollectionViewLayout -destination platform=macOS,arch=arm64

Build Log

========================================
RunAll
========================================
Builder version: 4.64.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/aimalygin/StableCollectionViewLayout.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/aimalygin/StableCollectionViewLayout
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at b415081 Create swift.yml
Cloned https://github.com/aimalygin/StableCollectionViewLayout.git
Revision (git rev-parse @):
b415081baf959c00302243fa258d7784647411a0
SUCCESS checkout https://github.com/aimalygin/StableCollectionViewLayout.git at main
========================================
Build
========================================
Selected platform:         macosXcodebuild
Swift version:             6.2
Building package at path:  $PWD
https://github.com/aimalygin/StableCollectionViewLayout.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
resolved source packages:
{
  "dependencies" : [
  ],
  "manifest_display_name" : "StableCollectionViewLayout",
  "name" : "StableCollectionViewLayout",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "StableCollectionViewLayout",
      "targets" : [
        "StableCollectionViewLayout"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "StableCollectionViewLayoutTests",
      "module_type" : "SwiftTarget",
      "name" : "StableCollectionViewLayoutTests",
      "path" : "StableCollectionViewLayoutTests",
      "sources" : [
        "CollectionViewUpdateItemTests.swift",
        "DeleteAttributesFinderTests.swift",
        "InsertAttributesFinderTests.swift",
        "Mock/CollectionViewDataProviderMock.swift",
        "Mock/LayoutAttributesProviderMock.swift",
        "Mock/VisibleIndexesStateControllerMock.swift",
        "OffsetControllerTests.swift",
        "VisibleIndexesStateControllerTests.swift",
        "VisibleIndexesStateTests.swift"
      ],
      "target_dependencies" : [
        "StableCollectionViewLayout"
      ],
      "type" : "test"
    },
    {
      "c99name" : "StableCollectionViewLayout",
      "module_type" : "SwiftTarget",
      "name" : "StableCollectionViewLayout",
      "path" : "StableCollectionViewLayout",
      "product_memberships" : [
        "StableCollectionViewLayout"
      ],
      "sources" : [
        "Sources/CollectionViewDataProvider.swift",
        "Sources/CollectionViewUpdateItem.swift",
        "Sources/IndexPath+Extension.swift",
        "Sources/LayoutAttributesProvider.swift",
        "Sources/OffsetController/OffsetController+Extension.swift",
        "Sources/OffsetController/OffsetController.swift",
        "Sources/OffsetController/OffsetControllerImpl.swift",
        "Sources/StableCollectionViewFlowLayout.swift",
        "Sources/StableCollectionViewLayout.swift",
        "Sources/VisibleIndexesStateController/VisibleIndexesState.swift",
        "Sources/VisibleIndexesStateController/VisibleIndexesStateController.swift",
        "Sources/VisibleIndexesStateController/VisibleIndexesStateControllerImpl.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.5"
}
{
  "project" : {
    "configurations" : [
      "Debug",
      "Release"
    ],
    "name" : "StableCollectionViewLayout",
    "schemes" : [
      "Example",
      "StableCollectionViewLayout",
      "StableCollectionViewLayoutTests"
    ],
    "targets" : [
      "StableCollectionViewLayout",
      "StableCollectionViewLayoutTests",
      "Example"
    ]
  }
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "StableCollectionViewLayout"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.0.0-Beta.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme StableCollectionViewLayout -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 StableCollectionViewLayout -destination platform=macOS,arch=arm64
Resolve Package Graph
Resolved source packages:
  StableCollectionViewLayout: /Users/admin/builder/spi-builder-workspace
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (2 targets)
    Target 'StableCollectionViewLayout' in project 'StableCollectionViewLayout'
        ➜ Explicit dependency on target 'StableCollectionViewLayout' in project 'StableCollectionViewLayout'
    Target 'StableCollectionViewLayout' in project 'StableCollectionViewLayout' (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: 087c0fc30e13e042d74eec6c626d070b
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/087c0fc30e13e042d74eec6c626d070b.xcbuilddata
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
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/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/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/StableCollectionViewLayout.DependencyStaticMetadataFileList (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/StableCollectionViewLayout.DependencyStaticMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/StableCollectionViewLayout.DependencyMetadataFileList (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/StableCollectionViewLayout.DependencyMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/StableCollectionViewLayout.modulemap (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/StableCollectionViewLayout.modulemap
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/Objects-normal/arm64/StableCollectionViewLayout-OutputFileMap.json (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/Objects-normal/arm64/StableCollectionViewLayout-OutputFileMap.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/Objects-normal/arm64/StableCollectionViewLayout.LinkFileList (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/Objects-normal/arm64/StableCollectionViewLayout.LinkFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/Objects-normal/arm64/StableCollectionViewLayout.SwiftFileList (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/Objects-normal/arm64/StableCollectionViewLayout.SwiftFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/Objects-normal/arm64/StableCollectionViewLayout.SwiftConstValuesFileList (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/Objects-normal/arm64/StableCollectionViewLayout.SwiftConstValuesFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/Objects-normal/arm64/StableCollectionViewLayout_const_extract_protocols.json (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/Objects-normal/arm64/StableCollectionViewLayout_const_extract_protocols.json
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps/StableCollectionViewLayout.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/StableCollectionViewLayout.modulemap (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
    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/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/StableCollectionViewLayout.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps
SwiftDriver StableCollectionViewLayout normal arm64 com.apple.xcode.tools.swift.compiler (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
    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 StableCollectionViewLayout -Onone -enforce-exclusivity\=checked @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/Objects-normal/arm64/StableCollectionViewLayout.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 -profile-coverage-mapping -profile-generate -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/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/Objects-normal/arm64/StableCollectionViewLayout-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/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/Objects-normal/arm64/StableCollectionViewLayout.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/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/Objects-normal/arm64/StableCollectionViewLayout_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/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.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/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/Objects-normal/arm64/StableCollectionViewLayout-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
/Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/CollectionViewUpdateItem.swift:9:8: error: Unable to find module dependency: 'UIKit'
import UIKit
       ^ (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
/Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/CollectionViewUpdateItem.swift:9:8: note: A dependency of main module 'StableCollectionViewLayout'
import UIKit
       ^ (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
/Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/LayoutAttributesProvider.swift:9:8: note: Also imported here
import UIKit
       ^ (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
/Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/OffsetController/OffsetController+Extension.swift:8:8: note: Also imported here
import UIKit
       ^ (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
/Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/OffsetController/OffsetController.swift:9:8: note: Also imported here
import UIKit
       ^ (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
/Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/OffsetController/OffsetControllerImpl.swift:9:8: note: Also imported here
import UIKit
       ^ (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
/Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/StableCollectionViewFlowLayout.swift:9:8: note: Also imported here
import UIKit
       ^ (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
/Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/StableCollectionViewLayout.swift:9:8: note: Also imported here
import UIKit
       ^ (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
--- xcodebuild: WARNING: Using the first of multiple matching destinations:
{ platform:macOS, arch:arm64, id:47414885520cb66b142fbc322a1a525f8f4253ee, name:My Mac }
{ platform:macOS, arch:arm64, variant:Mac Catalyst, id:47414885520cb66b142fbc322a1a525f8f4253ee, name:My Mac }
{ platform:macOS, arch:arm64, variant:DriverKit, id:47414885520cb66b142fbc322a1a525f8f4253ee, name:My Mac }
{ platform:macOS, arch:arm64, variant:Designed for [iPad,iPhone], id:47414885520cb66b142fbc322a1a525f8f4253ee, name:My Mac }
/Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/CollectionViewUpdateItem.swift:9:8: error: Unable to find module dependency: 'UIKit'
import UIKit
       ^
/Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/CollectionViewUpdateItem.swift:9:8: note: a dependency of main module 'StableCollectionViewLayout'
import UIKit
       ^
/Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/LayoutAttributesProvider.swift:9:8: note: also imported here
import UIKit
       ^
/Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/OffsetController/OffsetController+Extension.swift:8:8: note: also imported here
import UIKit
       ^
/Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/OffsetController/OffsetController.swift:9:8: note: also imported here
import UIKit
       ^
/Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/OffsetController/OffsetControllerImpl.swift:9:8: note: also imported here
import UIKit
       ^
/Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/StableCollectionViewFlowLayout.swift:9:8: note: also imported here
import UIKit
       ^
/Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/StableCollectionViewLayout.swift:9:8: note: also imported here
import UIKit
       ^
** BUILD FAILED **
The following build commands failed:
	SwiftDriver StableCollectionViewLayout normal arm64 com.apple.xcode.tools.swift.compiler (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
	Building workspace spi-builder-workspace with scheme StableCollectionViewLayout
(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:
  StableCollectionViewLayout: /Users/admin/builder/spi-builder-workspace
resolved source packages: StableCollectionViewLayout
{
  "dependencies" : [
  ],
  "manifest_display_name" : "StableCollectionViewLayout",
  "name" : "StableCollectionViewLayout",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "StableCollectionViewLayout",
      "targets" : [
        "StableCollectionViewLayout"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "StableCollectionViewLayoutTests",
      "module_type" : "SwiftTarget",
      "name" : "StableCollectionViewLayoutTests",
      "path" : "StableCollectionViewLayoutTests",
      "sources" : [
        "CollectionViewUpdateItemTests.swift",
        "DeleteAttributesFinderTests.swift",
        "InsertAttributesFinderTests.swift",
        "Mock/CollectionViewDataProviderMock.swift",
        "Mock/LayoutAttributesProviderMock.swift",
        "Mock/VisibleIndexesStateControllerMock.swift",
        "OffsetControllerTests.swift",
        "VisibleIndexesStateControllerTests.swift",
        "VisibleIndexesStateTests.swift"
      ],
      "target_dependencies" : [
        "StableCollectionViewLayout"
      ],
      "type" : "test"
    },
    {
      "c99name" : "StableCollectionViewLayout",
      "module_type" : "SwiftTarget",
      "name" : "StableCollectionViewLayout",
      "path" : "StableCollectionViewLayout",
      "product_memberships" : [
        "StableCollectionViewLayout"
      ],
      "sources" : [
        "Sources/CollectionViewDataProvider.swift",
        "Sources/CollectionViewUpdateItem.swift",
        "Sources/IndexPath+Extension.swift",
        "Sources/LayoutAttributesProvider.swift",
        "Sources/OffsetController/OffsetController+Extension.swift",
        "Sources/OffsetController/OffsetController.swift",
        "Sources/OffsetController/OffsetControllerImpl.swift",
        "Sources/StableCollectionViewFlowLayout.swift",
        "Sources/StableCollectionViewLayout.swift",
        "Sources/VisibleIndexesStateController/VisibleIndexesState.swift",
        "Sources/VisibleIndexesStateController/VisibleIndexesStateController.swift",
        "Sources/VisibleIndexesStateController/VisibleIndexesStateControllerImpl.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.5"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "StableCollectionViewLayout"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.0.0-Beta.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme StableCollectionViewLayout -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 StableCollectionViewLayout -destination platform=macOS,arch=arm64
Resolve Package Graph
Resolved source packages:
  StableCollectionViewLayout: /Users/admin/builder/spi-builder-workspace
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (2 targets)
    Target 'StableCollectionViewLayout' in project 'StableCollectionViewLayout'
        ➜ Explicit dependency on target 'StableCollectionViewLayout' in project 'StableCollectionViewLayout'
    Target 'StableCollectionViewLayout' in project 'StableCollectionViewLayout' (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 StableCollectionViewLayout normal arm64 com.apple.xcode.tools.swift.compiler (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
    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 StableCollectionViewLayout -Onone -enforce-exclusivity\=checked @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/Objects-normal/arm64/StableCollectionViewLayout.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 -profile-coverage-mapping -profile-generate -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/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/Objects-normal/arm64/StableCollectionViewLayout-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/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/Objects-normal/arm64/StableCollectionViewLayout.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/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/Objects-normal/arm64/StableCollectionViewLayout_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/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.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/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/Objects-normal/arm64/StableCollectionViewLayout-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
/Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/CollectionViewUpdateItem.swift:9:8: error: Unable to find module dependency: 'UIKit'
import UIKit
       ^ (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
/Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/CollectionViewUpdateItem.swift:9:8: note: A dependency of main module 'StableCollectionViewLayout'
import UIKit
       ^ (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
/Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/LayoutAttributesProvider.swift:9:8: note: Also imported here
import UIKit
       ^ (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
/Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/OffsetController/OffsetController+Extension.swift:8:8: note: Also imported here
import UIKit
       ^ (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
/Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/OffsetController/OffsetController.swift:9:8: note: Also imported here
import UIKit
       ^ (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
/Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/OffsetController/OffsetControllerImpl.swift:9:8: note: Also imported here
import UIKit
       ^ (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
/Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/StableCollectionViewFlowLayout.swift:9:8: note: Also imported here
import UIKit
       ^ (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
/Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/StableCollectionViewLayout.swift:9:8: note: Also imported here
import UIKit
       ^ (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
--- xcodebuild: WARNING: Using the first of multiple matching destinations:
{ platform:macOS, arch:arm64, id:47414885520cb66b142fbc322a1a525f8f4253ee, name:My Mac }
{ platform:macOS, arch:arm64, variant:Mac Catalyst, id:47414885520cb66b142fbc322a1a525f8f4253ee, name:My Mac }
{ platform:macOS, arch:arm64, variant:DriverKit, id:47414885520cb66b142fbc322a1a525f8f4253ee, name:My Mac }
{ platform:macOS, arch:arm64, variant:Designed for [iPad,iPhone], id:47414885520cb66b142fbc322a1a525f8f4253ee, name:My Mac }
/Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/CollectionViewUpdateItem.swift:9:8: error: Unable to find module dependency: 'UIKit'
import UIKit
       ^
/Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/CollectionViewUpdateItem.swift:9:8: note: a dependency of main module 'StableCollectionViewLayout'
import UIKit
       ^
/Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/LayoutAttributesProvider.swift:9:8: note: also imported here
import UIKit
       ^
/Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/OffsetController/OffsetController+Extension.swift:8:8: note: also imported here
import UIKit
       ^
/Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/OffsetController/OffsetController.swift:9:8: note: also imported here
import UIKit
       ^
/Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/OffsetController/OffsetControllerImpl.swift:9:8: note: also imported here
import UIKit
       ^
/Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/StableCollectionViewFlowLayout.swift:9:8: note: also imported here
import UIKit
       ^
/Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/StableCollectionViewLayout.swift:9:8: note: also imported here
import UIKit
       ^
** BUILD FAILED **
The following build commands failed:
	SwiftDriver StableCollectionViewLayout normal arm64 com.apple.xcode.tools.swift.compiler (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
	Building workspace spi-builder-workspace with scheme StableCollectionViewLayout
(2 failures)
BUILD FAILURE 6.2 macosXcodebuild