The Swift Package Index logo.Swift Package Index

Has it really been five years since Swift Package Index launched? Read our anniversary blog post!

Build Information

Failed to build Subviews, reference 0.0.2 (e93045), with Swift 6.2 (beta) for macOS (Xcode) using Xcode 26.0 on 20 Jun 2025 07:56:15 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 Subviews -destination platform=macOS,arch=arm64

Build Log

========================================
RunAll
========================================
Builder version: 4.64.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/dreymonde/Subviews.git
Reference: 0.0.2
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/dreymonde/Subviews
 * tag               0.0.2      -> FETCH_HEAD
HEAD is now at e93045b update README
Cloned https://github.com/dreymonde/Subviews.git
Revision (git rev-parse @):
e93045be3e08ff47adc6bf12f86330cf2016f514
SUCCESS checkout https://github.com/dreymonde/Subviews.git at 0.0.2
========================================
Build
========================================
Selected platform:         macosXcodebuild
Swift version:             6.2
Building package at path:  $PWD
https://github.com/dreymonde/Subviews.git
Command line invocation:
    /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Resolve Package Graph
Resolved source packages:
  Subviews: /Users/admin/builder/spi-builder-workspace
resolved source packages: Subviews
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Subviews",
  "name" : "Subviews",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Subviews",
      "targets" : [
        "Subviews"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SubviewsTests",
      "module_type" : "SwiftTarget",
      "name" : "SubviewsTests",
      "path" : "Tests/SubviewsTests",
      "sources" : [
        "SubviewsTests.swift"
      ],
      "target_dependencies" : [
        "Subviews"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Subviews",
      "module_type" : "SwiftTarget",
      "name" : "Subviews",
      "path" : "Sources/Subviews",
      "product_memberships" : [
        "Subviews"
      ],
      "sources" : [
        "AutoParent.swift",
        "AutoSuperview.swift",
        "Child.swift",
        "Enclosed.swift",
        "Extensions.swift",
        "Internal/Align.swift",
        "Internal/Creatable.swift",
        "Stacks.swift",
        "Subview.swift",
        "ViewLayoutOption.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.7"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "Subviews"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.0.0-Beta.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme Subviews -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 Subviews -destination platform=macOS,arch=arm64
Resolve Package Graph
Resolved source packages:
  Subviews: /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 'Subviews' in project 'Subviews'
        ➜ Explicit dependency on target 'Subviews' in project 'Subviews'
    Target 'Subviews' in project 'Subviews' (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: 9abe64b972ef24c9df15afffd6cf9c7e
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/9abe64b972ef24c9df15afffd6cf9c7e.xcbuilddata
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
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/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/Subviews.build/Debug/Subviews.build/Subviews.modulemap (in target 'Subviews' from project 'Subviews')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Subviews.build/Debug/Subviews.build/Subviews.modulemap
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Subviews.build/Debug/Subviews.build/Subviews.DependencyStaticMetadataFileList (in target 'Subviews' from project 'Subviews')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Subviews.build/Debug/Subviews.build/Subviews.DependencyStaticMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Subviews.build/Debug/Subviews.build/Subviews.DependencyMetadataFileList (in target 'Subviews' from project 'Subviews')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Subviews.build/Debug/Subviews.build/Subviews.DependencyMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Subviews.build/Debug/Subviews.build/Objects-normal/arm64/Subviews_const_extract_protocols.json (in target 'Subviews' from project 'Subviews')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Subviews.build/Debug/Subviews.build/Objects-normal/arm64/Subviews_const_extract_protocols.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Subviews.build/Debug/Subviews.build/Objects-normal/arm64/Subviews.SwiftFileList (in target 'Subviews' from project 'Subviews')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Subviews.build/Debug/Subviews.build/Objects-normal/arm64/Subviews.SwiftFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Subviews.build/Debug/Subviews.build/Objects-normal/arm64/Subviews.SwiftConstValuesFileList (in target 'Subviews' from project 'Subviews')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Subviews.build/Debug/Subviews.build/Objects-normal/arm64/Subviews.SwiftConstValuesFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Subviews.build/Debug/Subviews.build/Objects-normal/arm64/Subviews-OutputFileMap.json (in target 'Subviews' from project 'Subviews')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Subviews.build/Debug/Subviews.build/Objects-normal/arm64/Subviews-OutputFileMap.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Subviews.build/Debug/Subviews.build/Objects-normal/arm64/Subviews.LinkFileList (in target 'Subviews' from project 'Subviews')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Subviews.build/Debug/Subviews.build/Objects-normal/arm64/Subviews.LinkFileList
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps/Subviews.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Subviews.build/Debug/Subviews.build/Subviews.modulemap (in target 'Subviews' from project 'Subviews')
    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/Subviews.build/Debug/Subviews.build/Subviews.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps
SwiftDriver Subviews normal arm64 com.apple.xcode.tools.swift.compiler (in target 'Subviews' from project 'Subviews')
    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 Subviews -Onone -enforce-exclusivity\=checked @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Subviews.build/Debug/Subviews.build/Objects-normal/arm64/Subviews.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/Subviews.build/Debug/Subviews.build/Objects-normal/arm64/Subviews-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/Subviews.build/Debug/Subviews.build/Objects-normal/arm64/Subviews.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/Subviews.build/Debug/Subviews.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Subviews.build/Debug/Subviews.build/Objects-normal/arm64/Subviews_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/Subviews.build/Debug/Subviews.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Subviews.build/Debug/Subviews.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Subviews.build/Debug/Subviews.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/Subviews.build/Debug/Subviews.build/Objects-normal/arm64/Subviews-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/Subviews/AutoParent.swift:1:8: error: Unable to find module dependency: 'UIKit'
import UIKit
       ^ (in target 'Subviews' from project 'Subviews')
/Users/admin/builder/spi-builder-workspace/Sources/Subviews/AutoParent.swift:1:8: note: A dependency of main module 'Subviews'
import UIKit
       ^ (in target 'Subviews' from project 'Subviews')
/Users/admin/builder/spi-builder-workspace/Sources/Subviews/AutoSuperview.swift:1:8: note: Also imported here
import UIKit
       ^ (in target 'Subviews' from project 'Subviews')
/Users/admin/builder/spi-builder-workspace/Sources/Subviews/Child.swift:1:8: note: Also imported here
import UIKit
       ^ (in target 'Subviews' from project 'Subviews')
/Users/admin/builder/spi-builder-workspace/Sources/Subviews/Extensions.swift:1:8: note: Also imported here
import UIKit
       ^ (in target 'Subviews' from project 'Subviews')
/Users/admin/builder/spi-builder-workspace/Sources/Subviews/Stacks.swift:1:8: note: Also imported here
import UIKit
       ^ (in target 'Subviews' from project 'Subviews')
/Users/admin/builder/spi-builder-workspace/Sources/Subviews/Subview.swift:1:8: note: Also imported here
import UIKit
       ^ (in target 'Subviews' from project 'Subviews')
/Users/admin/builder/spi-builder-workspace/Sources/Subviews/ViewLayoutOption.swift:1:8: note: Also imported here
import UIKit
       ^ (in target 'Subviews' from project 'Subviews')
--- xcodebuild: WARNING: Using the first of multiple matching destinations:
{ platform:macOS, arch:arm64, id:4d30ddabc8587e612ab7de1dbf4157eab2c4a612, name:My Mac }
{ platform:macOS, arch:arm64, variant:Mac Catalyst, id:4d30ddabc8587e612ab7de1dbf4157eab2c4a612, name:My Mac }
{ platform:macOS, arch:arm64, variant:DriverKit, id:4d30ddabc8587e612ab7de1dbf4157eab2c4a612, name:My Mac }
{ platform:macOS, arch:arm64, variant:Designed for [iPad,iPhone], id:4d30ddabc8587e612ab7de1dbf4157eab2c4a612, name:My Mac }
/Users/admin/builder/spi-builder-workspace/Sources/Subviews/AutoParent.swift:1:8: error: Unable to find module dependency: 'UIKit'
import UIKit
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Subviews/AutoParent.swift:1:8: note: a dependency of main module 'Subviews'
import UIKit
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Subviews/AutoSuperview.swift:1:8: note: also imported here
import UIKit
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Subviews/Child.swift:1:8: note: also imported here
import UIKit
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Subviews/Extensions.swift:1:8: note: also imported here
import UIKit
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Subviews/Stacks.swift:1:8: note: also imported here
import UIKit
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Subviews/Subview.swift:1:8: note: also imported here
import UIKit
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Subviews/ViewLayoutOption.swift:1:8: note: also imported here
import UIKit
       ^
** BUILD FAILED **
The following build commands failed:
	SwiftDriver Subviews normal arm64 com.apple.xcode.tools.swift.compiler (in target 'Subviews' from project 'Subviews')
	Building workspace spi-builder-workspace with scheme Subviews
(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:
  Subviews: /Users/admin/builder/spi-builder-workspace
resolved source packages: Subviews
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Subviews",
  "name" : "Subviews",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Subviews",
      "targets" : [
        "Subviews"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SubviewsTests",
      "module_type" : "SwiftTarget",
      "name" : "SubviewsTests",
      "path" : "Tests/SubviewsTests",
      "sources" : [
        "SubviewsTests.swift"
      ],
      "target_dependencies" : [
        "Subviews"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Subviews",
      "module_type" : "SwiftTarget",
      "name" : "Subviews",
      "path" : "Sources/Subviews",
      "product_memberships" : [
        "Subviews"
      ],
      "sources" : [
        "AutoParent.swift",
        "AutoSuperview.swift",
        "Child.swift",
        "Enclosed.swift",
        "Extensions.swift",
        "Internal/Align.swift",
        "Internal/Creatable.swift",
        "Stacks.swift",
        "Subview.swift",
        "ViewLayoutOption.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.7"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "Subviews"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.0.0-Beta.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme Subviews -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 Subviews -destination platform=macOS,arch=arm64
Resolve Package Graph
Resolved source packages:
  Subviews: /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 'Subviews' in project 'Subviews'
        ➜ Explicit dependency on target 'Subviews' in project 'Subviews'
    Target 'Subviews' in project 'Subviews' (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 Subviews normal arm64 com.apple.xcode.tools.swift.compiler (in target 'Subviews' from project 'Subviews')
    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 Subviews -Onone -enforce-exclusivity\=checked @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Subviews.build/Debug/Subviews.build/Objects-normal/arm64/Subviews.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/Subviews.build/Debug/Subviews.build/Objects-normal/arm64/Subviews-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/Subviews.build/Debug/Subviews.build/Objects-normal/arm64/Subviews.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/Subviews.build/Debug/Subviews.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Subviews.build/Debug/Subviews.build/Objects-normal/arm64/Subviews_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/Subviews.build/Debug/Subviews.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Subviews.build/Debug/Subviews.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Subviews.build/Debug/Subviews.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/Subviews.build/Debug/Subviews.build/Objects-normal/arm64/Subviews-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/Subviews/AutoParent.swift:1:8: error: Unable to find module dependency: 'UIKit'
import UIKit
       ^ (in target 'Subviews' from project 'Subviews')
/Users/admin/builder/spi-builder-workspace/Sources/Subviews/AutoParent.swift:1:8: note: A dependency of main module 'Subviews'
import UIKit
       ^ (in target 'Subviews' from project 'Subviews')
/Users/admin/builder/spi-builder-workspace/Sources/Subviews/AutoSuperview.swift:1:8: note: Also imported here
import UIKit
       ^ (in target 'Subviews' from project 'Subviews')
/Users/admin/builder/spi-builder-workspace/Sources/Subviews/Child.swift:1:8: note: Also imported here
import UIKit
       ^ (in target 'Subviews' from project 'Subviews')
/Users/admin/builder/spi-builder-workspace/Sources/Subviews/Extensions.swift:1:8: note: Also imported here
import UIKit
       ^ (in target 'Subviews' from project 'Subviews')
/Users/admin/builder/spi-builder-workspace/Sources/Subviews/Stacks.swift:1:8: note: Also imported here
import UIKit
       ^ (in target 'Subviews' from project 'Subviews')
/Users/admin/builder/spi-builder-workspace/Sources/Subviews/Subview.swift:1:8: note: Also imported here
import UIKit
       ^ (in target 'Subviews' from project 'Subviews')
/Users/admin/builder/spi-builder-workspace/Sources/Subviews/ViewLayoutOption.swift:1:8: note: Also imported here
import UIKit
       ^ (in target 'Subviews' from project 'Subviews')
--- xcodebuild: WARNING: Using the first of multiple matching destinations:
{ platform:macOS, arch:arm64, id:4d30ddabc8587e612ab7de1dbf4157eab2c4a612, name:My Mac }
{ platform:macOS, arch:arm64, variant:Mac Catalyst, id:4d30ddabc8587e612ab7de1dbf4157eab2c4a612, name:My Mac }
{ platform:macOS, arch:arm64, variant:DriverKit, id:4d30ddabc8587e612ab7de1dbf4157eab2c4a612, name:My Mac }
{ platform:macOS, arch:arm64, variant:Designed for [iPad,iPhone], id:4d30ddabc8587e612ab7de1dbf4157eab2c4a612, name:My Mac }
/Users/admin/builder/spi-builder-workspace/Sources/Subviews/AutoParent.swift:1:8: error: Unable to find module dependency: 'UIKit'
import UIKit
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Subviews/AutoParent.swift:1:8: note: a dependency of main module 'Subviews'
import UIKit
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Subviews/AutoSuperview.swift:1:8: note: also imported here
import UIKit
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Subviews/Child.swift:1:8: note: also imported here
import UIKit
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Subviews/Extensions.swift:1:8: note: also imported here
import UIKit
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Subviews/Stacks.swift:1:8: note: also imported here
import UIKit
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Subviews/Subview.swift:1:8: note: also imported here
import UIKit
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Subviews/ViewLayoutOption.swift:1:8: note: also imported here
import UIKit
       ^
** BUILD FAILED **
The following build commands failed:
	SwiftDriver Subviews normal arm64 com.apple.xcode.tools.swift.compiler (in target 'Subviews' from project 'Subviews')
	Building workspace spi-builder-workspace with scheme Subviews
(2 failures)
BUILD FAILURE 6.2 macosXcodebuild