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Build Information

Failed to build StructuredLayout, reference main (a29b34), with Swift 6.3 for macOS (Xcode) using Xcode 26.4 on 19 Jul 2026 01:42:55 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme StructuredLayout -destination platform=macOS,arch=arm64

Build Log

========================================
RunAll
========================================
Builder version: undefined version: run 'make version' to update
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/swifter09/StructuredLayout.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/swifter09/StructuredLayout
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at a29b34a docs: prepare StructuredLayout 0.1.5 launch
Cloned https://github.com/swifter09/StructuredLayout.git
Revision (git rev-parse @):
a29b34a36feafb7d0c451c6b5f6cb1c87af56fbe
SUCCESS checkout https://github.com/swifter09/StructuredLayout.git at main
========================================
Build
========================================
Selected platform:         macosXcodebuild
Swift version:             6.3
Building package at path:  $PWD
https://github.com/swifter09/StructuredLayout.git
Command line invocation:
    /Applications/Xcode-26.4.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Resolve Package Graph
Resolved source packages:
  StructuredLayout: /Users/admin/builder/spi-builder-workspace
resolved source packages: StructuredLayout
2026-07-18 21:42:25.732 xcodebuild[535:3069] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "StructuredLayout",
  "name" : "StructuredLayout",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "14.0"
    }
  ],
  "products" : [
    {
      "name" : "StructuredLayout",
      "targets" : [
        "StructuredLayout"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "StructuredLayoutTests",
      "module_type" : "SwiftTarget",
      "name" : "StructuredLayoutTests",
      "path" : "Tests/StructuredLayoutTests",
      "sources" : [
        "StructuredLayoutTests.swift"
      ],
      "target_dependencies" : [
        "StructuredLayout"
      ],
      "type" : "test"
    },
    {
      "c99name" : "StructuredLayout",
      "module_type" : "SwiftTarget",
      "name" : "StructuredLayout",
      "path" : "Sources/StructuredLayout",
      "product_memberships" : [
        "StructuredLayout"
      ],
      "sources" : [
        "LayoutDSL.swift",
        "LayoutInstaller.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.9"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "StructuredLayout"
    ]
  }
}
2026-07-18 21:42:46.066 xcodebuild[695:4311] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme StructuredLayout -destination platform=macOS,arch=arm64
Command line invocation:
    /Applications/Xcode-26.4.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath /Users/admin/builder/spi-builder-workspace/.derivedData build -scheme StructuredLayout -destination platform=macOS,arch=arm64
Resolve Package Graph
Resolved source packages:
  StructuredLayout: /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 'StructuredLayout' in project 'StructuredLayout'
        ➜ Explicit dependency on target 'StructuredLayout' in project 'StructuredLayout'
    Target 'StructuredLayout' in project 'StructuredLayout' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX26.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: 938ad2dbac46889ebd1ca364a3259158
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/938ad2dbac46889ebd1ca364a3259158.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
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-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX26.4.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx26.4-25E236-688ef53f1462e2c8f657fdc38a81448fdfce61f96a3a6fc38dcbb3b93e3bb2ee.sdkstatcache
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX26.4.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx26.4-25E236-688ef53f1462e2c8f657fdc38a81448fdfce61f96a3a6fc38dcbb3b93e3bb2ee.sdkstatcache
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ExplicitPrecompiledModules
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ExplicitPrecompiledModules
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
    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/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/StructuredLayout.build/Debug/StructuredLayout.build/StructuredLayout.DependencyMetadataFileList (in target 'StructuredLayout' from project 'StructuredLayout')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StructuredLayout.build/Debug/StructuredLayout.build/StructuredLayout.DependencyMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StructuredLayout.build/Debug/StructuredLayout.build/StructuredLayout.DependencyStaticMetadataFileList (in target 'StructuredLayout' from project 'StructuredLayout')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StructuredLayout.build/Debug/StructuredLayout.build/StructuredLayout.DependencyStaticMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StructuredLayout.build/Debug/StructuredLayout.build/StructuredLayout.modulemap (in target 'StructuredLayout' from project 'StructuredLayout')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StructuredLayout.build/Debug/StructuredLayout.build/StructuredLayout.modulemap
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StructuredLayout.build/Debug/StructuredLayout.build/Objects-normal/arm64/StructuredLayout-OutputFileMap.json (in target 'StructuredLayout' from project 'StructuredLayout')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StructuredLayout.build/Debug/StructuredLayout.build/Objects-normal/arm64/StructuredLayout-OutputFileMap.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StructuredLayout.build/Debug/StructuredLayout.build/Objects-normal/arm64/StructuredLayout.SwiftFileList (in target 'StructuredLayout' from project 'StructuredLayout')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StructuredLayout.build/Debug/StructuredLayout.build/Objects-normal/arm64/StructuredLayout.SwiftFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StructuredLayout.build/Debug/StructuredLayout.build/Objects-normal/arm64/StructuredLayout.SwiftConstValuesFileList (in target 'StructuredLayout' from project 'StructuredLayout')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StructuredLayout.build/Debug/StructuredLayout.build/Objects-normal/arm64/StructuredLayout.SwiftConstValuesFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StructuredLayout.build/Debug/StructuredLayout.build/Objects-normal/arm64/StructuredLayout_const_extract_protocols.json (in target 'StructuredLayout' from project 'StructuredLayout')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StructuredLayout.build/Debug/StructuredLayout.build/Objects-normal/arm64/StructuredLayout_const_extract_protocols.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StructuredLayout.build/Debug/StructuredLayout.build/Objects-normal/arm64/StructuredLayout.LinkFileList (in target 'StructuredLayout' from project 'StructuredLayout')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StructuredLayout.build/Debug/StructuredLayout.build/Objects-normal/arm64/StructuredLayout.LinkFileList
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps/StructuredLayout.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StructuredLayout.build/Debug/StructuredLayout.build/StructuredLayout.modulemap (in target 'StructuredLayout' from project 'StructuredLayout')
    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/StructuredLayout.build/Debug/StructuredLayout.build/StructuredLayout.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps
SwiftDriver StructuredLayout normal arm64 com.apple.xcode.tools.swift.compiler (in target 'StructuredLayout' from project 'StructuredLayout')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftDriver -- /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -module-name StructuredLayout -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StructuredLayout.build/Debug/StructuredLayout.build/Objects-normal/arm64/StructuredLayout.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -DXcode -plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX26.4.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 -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -swift-version 5 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -Isystem /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -F /Applications/Xcode-26.4.0.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/macosx26.4-25E236-688ef53f1462e2c8f657fdc38a81448fdfce61f96a3a6fc38dcbb3b93e3bb2ee.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StructuredLayout.build/Debug/StructuredLayout.build/Objects-normal/arm64/StructuredLayout-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/StructuredLayout.build/Debug/StructuredLayout.build/Objects-normal/arm64/StructuredLayout.swiftmodule -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -package-name spi_builder_workspace -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StructuredLayout.build/Debug/StructuredLayout.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StructuredLayout.build/Debug/StructuredLayout.build/Objects-normal/arm64/StructuredLayout_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/StructuredLayout.build/Debug/StructuredLayout.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StructuredLayout.build/Debug/StructuredLayout.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StructuredLayout.build/Debug/StructuredLayout.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/StructuredLayout.build/Debug/StructuredLayout.build/Objects-normal/arm64/StructuredLayout-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/StructuredLayout/LayoutDSL.swift:1:8: error: Unable to resolve module dependency: 'UIKit'
import UIKit
       ^ (in target 'StructuredLayout' from project 'StructuredLayout')
/Users/admin/builder/spi-builder-workspace/Sources/StructuredLayout/LayoutDSL.swift:1:8: note: A dependency of main module 'StructuredLayout'
import UIKit
       ^ (in target 'StructuredLayout' from project 'StructuredLayout')
/Users/admin/builder/spi-builder-workspace/Sources/StructuredLayout/LayoutInstaller.swift:1:8: note: Also imported here
import UIKit
       ^ (in target 'StructuredLayout' from project 'StructuredLayout')
2026-07-18 21:42:47.549 xcodebuild[703:4409] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
--- xcodebuild: WARNING: Using the first of multiple matching destinations:
{ platform:macOS, arch:arm64, id:b3bcec4b352eb093672102a1b785de9277470a35, name:My Mac }
{ platform:macOS, arch:arm64, variant:Mac Catalyst, id:b3bcec4b352eb093672102a1b785de9277470a35, name:My Mac }
{ platform:macOS, arch:arm64, variant:DriverKit, id:b3bcec4b352eb093672102a1b785de9277470a35, name:My Mac }
{ platform:macOS, arch:arm64, variant:Designed for [iPad,iPhone], id:b3bcec4b352eb093672102a1b785de9277470a35, name:My Mac }
/Users/admin/builder/spi-builder-workspace/Sources/StructuredLayout/LayoutDSL.swift:1:8: error: unable to resolve module dependency: 'UIKit'
import UIKit
       ^
/Users/admin/builder/spi-builder-workspace/Sources/StructuredLayout/LayoutDSL.swift:1:8: note: a dependency of main module 'StructuredLayout'
import UIKit
       ^
/Users/admin/builder/spi-builder-workspace/Sources/StructuredLayout/LayoutInstaller.swift:1:8: note: also imported here
import UIKit
       ^
** BUILD FAILED **
The following build commands failed:
	SwiftDriver StructuredLayout normal arm64 com.apple.xcode.tools.swift.compiler (in target 'StructuredLayout' from project 'StructuredLayout')
	Building workspace spi-builder-workspace with scheme StructuredLayout
(2 failures)
Command line invocation:
    /Applications/Xcode-26.4.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Resolved source packages:
  StructuredLayout: /Users/admin/builder/spi-builder-workspace
resolved source packages: StructuredLayout
2026-07-18 21:42:53.285 xcodebuild[720:4537] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "StructuredLayout",
  "name" : "StructuredLayout",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "14.0"
    }
  ],
  "products" : [
    {
      "name" : "StructuredLayout",
      "targets" : [
        "StructuredLayout"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "StructuredLayoutTests",
      "module_type" : "SwiftTarget",
      "name" : "StructuredLayoutTests",
      "path" : "Tests/StructuredLayoutTests",
      "sources" : [
        "StructuredLayoutTests.swift"
      ],
      "target_dependencies" : [
        "StructuredLayout"
      ],
      "type" : "test"
    },
    {
      "c99name" : "StructuredLayout",
      "module_type" : "SwiftTarget",
      "name" : "StructuredLayout",
      "path" : "Sources/StructuredLayout",
      "product_memberships" : [
        "StructuredLayout"
      ],
      "sources" : [
        "LayoutDSL.swift",
        "LayoutInstaller.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.9"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "StructuredLayout"
    ]
  }
}
2026-07-18 21:42:54.446 xcodebuild[730:4611] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme StructuredLayout -destination platform=macOS,arch=arm64
Command line invocation:
    /Applications/Xcode-26.4.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath /Users/admin/builder/spi-builder-workspace/.derivedData build -scheme StructuredLayout -destination platform=macOS,arch=arm64
Resolve Package Graph
Resolved source packages:
  StructuredLayout: /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 'StructuredLayout' in project 'StructuredLayout'
        ➜ Explicit dependency on target 'StructuredLayout' in project 'StructuredLayout'
    Target 'StructuredLayout' in project 'StructuredLayout' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ClangStatCache /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX26.4.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx26.4-25E236-688ef53f1462e2c8f657fdc38a81448fdfce61f96a3a6fc38dcbb3b93e3bb2ee.sdkstatcache
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX26.4.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx26.4-25E236-688ef53f1462e2c8f657fdc38a81448fdfce61f96a3a6fc38dcbb3b93e3bb2ee.sdkstatcache
SwiftDriver StructuredLayout normal arm64 com.apple.xcode.tools.swift.compiler (in target 'StructuredLayout' from project 'StructuredLayout')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftDriver -- /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -module-name StructuredLayout -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StructuredLayout.build/Debug/StructuredLayout.build/Objects-normal/arm64/StructuredLayout.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -DXcode -plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX26.4.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 -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -swift-version 5 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -Isystem /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -F /Applications/Xcode-26.4.0.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/macosx26.4-25E236-688ef53f1462e2c8f657fdc38a81448fdfce61f96a3a6fc38dcbb3b93e3bb2ee.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StructuredLayout.build/Debug/StructuredLayout.build/Objects-normal/arm64/StructuredLayout-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/StructuredLayout.build/Debug/StructuredLayout.build/Objects-normal/arm64/StructuredLayout.swiftmodule -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -package-name spi_builder_workspace -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StructuredLayout.build/Debug/StructuredLayout.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StructuredLayout.build/Debug/StructuredLayout.build/Objects-normal/arm64/StructuredLayout_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/StructuredLayout.build/Debug/StructuredLayout.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StructuredLayout.build/Debug/StructuredLayout.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StructuredLayout.build/Debug/StructuredLayout.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/StructuredLayout.build/Debug/StructuredLayout.build/Objects-normal/arm64/StructuredLayout-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/StructuredLayout/LayoutDSL.swift:1:8: error: Unable to resolve module dependency: 'UIKit'
import UIKit
       ^ (in target 'StructuredLayout' from project 'StructuredLayout')
/Users/admin/builder/spi-builder-workspace/Sources/StructuredLayout/LayoutDSL.swift:1:8: note: A dependency of main module 'StructuredLayout'
import UIKit
       ^ (in target 'StructuredLayout' from project 'StructuredLayout')
/Users/admin/builder/spi-builder-workspace/Sources/StructuredLayout/LayoutInstaller.swift:1:8: note: Also imported here
import UIKit
       ^ (in target 'StructuredLayout' from project 'StructuredLayout')
2026-07-18 21:42:55.277 xcodebuild[733:4648] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
--- xcodebuild: WARNING: Using the first of multiple matching destinations:
{ platform:macOS, arch:arm64, id:b3bcec4b352eb093672102a1b785de9277470a35, name:My Mac }
{ platform:macOS, arch:arm64, variant:Mac Catalyst, id:b3bcec4b352eb093672102a1b785de9277470a35, name:My Mac }
{ platform:macOS, arch:arm64, variant:DriverKit, id:b3bcec4b352eb093672102a1b785de9277470a35, name:My Mac }
{ platform:macOS, arch:arm64, variant:Designed for [iPad,iPhone], id:b3bcec4b352eb093672102a1b785de9277470a35, name:My Mac }
/Users/admin/builder/spi-builder-workspace/Sources/StructuredLayout/LayoutDSL.swift:1:8: error: unable to resolve module dependency: 'UIKit'
import UIKit
       ^
/Users/admin/builder/spi-builder-workspace/Sources/StructuredLayout/LayoutDSL.swift:1:8: note: a dependency of main module 'StructuredLayout'
import UIKit
       ^
/Users/admin/builder/spi-builder-workspace/Sources/StructuredLayout/LayoutInstaller.swift:1:8: note: also imported here
import UIKit
       ^
** BUILD FAILED **
The following build commands failed:
	SwiftDriver StructuredLayout normal arm64 com.apple.xcode.tools.swift.compiler (in target 'StructuredLayout' from project 'StructuredLayout')
	Building workspace spi-builder-workspace with scheme StructuredLayout
(2 failures)
BUILD FAILURE 6.3 macosXcodebuild