Swift Package Index

Build Information

Failed to build Arboreal, reference 0.4.0-alpha.0 (17eea7), with Swift 6.3 for macOS (Xcode) using Xcode 26.4 on 16 Apr 2026 10:43:21 UTC.

Build Command

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

Build Log

========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/KylianVermeulen/Arboreal.git
Reference: 0.4.0-alpha.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/KylianVermeulen/Arboreal
 * tag               0.4.0-alpha.0 -> FETCH_HEAD
HEAD is now at 17eea7f Release 0.4.0-alpha.0
Cloned https://github.com/KylianVermeulen/Arboreal.git
Revision (git rev-parse @):
17eea7fd4f525616f10bf4cb806c9619773cd496
SUCCESS checkout https://github.com/KylianVermeulen/Arboreal.git at 0.4.0-alpha.0
========================================
Build
========================================
Selected platform:         macosXcodebuild
Swift version:             6.3
Building package at path:  $PWD
https://github.com/KylianVermeulen/Arboreal.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:
  Arboreal: /Users/admin/builder/spi-builder-workspace
resolved source packages: Arboreal
2026-04-16 06:43:02.978 xcodebuild[529:3058] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Arboreal",
  "name" : "Arboreal",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "18.0"
    }
  ],
  "products" : [
    {
      "name" : "Arboreal",
      "targets" : [
        "Arboreal"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "ArborealTests",
      "module_type" : "SwiftTarget",
      "name" : "ArborealTests",
      "path" : "Tests/ArborealTests",
      "sources" : [
        "ExpansionStateTests.swift",
        "PreviewLayoutTests.swift",
        "TestHelpers.swift",
        "TreeContainerEmbeddedTests.swift",
        "TreeFlatteningTests.swift",
        "TreeMutationTests.swift",
        "TreeNodeTests.swift",
        "VisibleRowCountTests.swift"
      ],
      "target_dependencies" : [
        "Arboreal"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Arboreal",
      "module_type" : "SwiftTarget",
      "name" : "Arboreal",
      "path" : "Sources/Arboreal",
      "product_memberships" : [
        "Arboreal"
      ],
      "sources" : [
        "Configuration/DropPreviewTheme.swift",
        "Configuration/FloatingDragStyle.swift",
        "Configuration/HapticConfiguration.swift",
        "Configuration/TreeDragDropConfiguration.swift",
        "Data/DragPayload.swift",
        "Data/DropTarget.swift",
        "Data/ExpansionState.swift",
        "Data/FlatTreeEntry.swift",
        "Data/TreeFlattening.swift",
        "Data/TreeMutations.swift",
        "Data/TreeNode.swift",
        "Data/TreeNodeContent.swift",
        "Data/VisibleRowCount.swift",
        "SwiftUI/TreeDragDropCoordinator.swift",
        "SwiftUI/TreeDragDropView.swift",
        "UIKit/DragState.swift",
        "UIKit/DropIndicatorLayer.swift",
        "UIKit/HapticController.swift",
        "UIKit/MultiItemPreviewView.swift",
        "UIKit/TreeContainerView.swift",
        "UIKit/TreeNodeCell.swift",
        "UIKit/ViewReusePool.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.2"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "Arboreal"
    ]
  }
}
2026-04-16 06:43:10.739 xcodebuild[631:3823] [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 Arboreal -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 Arboreal -destination platform=macOS,arch=arm64
Resolve Package Graph
Resolved source packages:
  Arboreal: /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 'Arboreal' in project 'Arboreal'
        ➜ Explicit dependency on target 'Arboreal' in project 'Arboreal'
    Target 'Arboreal' in project 'Arboreal' (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: 69769bfdc3e561e2ad9121bbca5e969b
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/69769bfdc3e561e2ad9121bbca5e969b.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-26.4.0.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
    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/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/Arboreal.build/Debug/Arboreal.build/Arboreal.DependencyMetadataFileList (in target 'Arboreal' from project 'Arboreal')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Arboreal.build/Debug/Arboreal.build/Arboreal.DependencyMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Arboreal.build/Debug/Arboreal.build/Arboreal.DependencyStaticMetadataFileList (in target 'Arboreal' from project 'Arboreal')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Arboreal.build/Debug/Arboreal.build/Arboreal.DependencyStaticMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Arboreal.build/Debug/Arboreal.build/Arboreal.modulemap (in target 'Arboreal' from project 'Arboreal')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Arboreal.build/Debug/Arboreal.build/Arboreal.modulemap
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Arboreal.build/Debug/Arboreal.build/Objects-normal/arm64/Arboreal.SwiftConstValuesFileList (in target 'Arboreal' from project 'Arboreal')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Arboreal.build/Debug/Arboreal.build/Objects-normal/arm64/Arboreal.SwiftConstValuesFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Arboreal.build/Debug/Arboreal.build/Objects-normal/arm64/Arboreal_const_extract_protocols.json (in target 'Arboreal' from project 'Arboreal')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Arboreal.build/Debug/Arboreal.build/Objects-normal/arm64/Arboreal_const_extract_protocols.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Arboreal.build/Debug/Arboreal.build/Objects-normal/arm64/Arboreal.LinkFileList (in target 'Arboreal' from project 'Arboreal')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Arboreal.build/Debug/Arboreal.build/Objects-normal/arm64/Arboreal.LinkFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Arboreal.build/Debug/Arboreal.build/Objects-normal/arm64/Arboreal.SwiftFileList (in target 'Arboreal' from project 'Arboreal')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Arboreal.build/Debug/Arboreal.build/Objects-normal/arm64/Arboreal.SwiftFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Arboreal.build/Debug/Arboreal.build/Objects-normal/arm64/Arboreal-OutputFileMap.json (in target 'Arboreal' from project 'Arboreal')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Arboreal.build/Debug/Arboreal.build/Objects-normal/arm64/Arboreal-OutputFileMap.json
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps/Arboreal.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Arboreal.build/Debug/Arboreal.build/Arboreal.modulemap (in target 'Arboreal' from project 'Arboreal')
    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/Arboreal.build/Debug/Arboreal.build/Arboreal.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps
SwiftDriver Arboreal normal arm64 com.apple.xcode.tools.swift.compiler (in target 'Arboreal' from project 'Arboreal')
    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 Arboreal -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Arboreal.build/Debug/Arboreal.build/Objects-normal/arm64/Arboreal.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 6 -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/Arboreal.build/Debug/Arboreal.build/Objects-normal/arm64/Arboreal-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/Arboreal.build/Debug/Arboreal.build/Objects-normal/arm64/Arboreal.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/Arboreal.build/Debug/Arboreal.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Arboreal.build/Debug/Arboreal.build/Objects-normal/arm64/Arboreal_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/Arboreal.build/Debug/Arboreal.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Arboreal.build/Debug/Arboreal.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Arboreal.build/Debug/Arboreal.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/Arboreal.build/Debug/Arboreal.build/Objects-normal/arm64/Arboreal-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/Arboreal/SwiftUI/TreeDragDropCoordinator.swift:1:8: error: Unable to resolve module dependency: 'UIKit'
import UIKit
       ^ (in target 'Arboreal' from project 'Arboreal')
/Users/admin/builder/spi-builder-workspace/Sources/Arboreal/SwiftUI/TreeDragDropCoordinator.swift:1:8: note: A dependency of main module 'Arboreal'
import UIKit
       ^ (in target 'Arboreal' from project 'Arboreal')
/Users/admin/builder/spi-builder-workspace/Sources/Arboreal/UIKit/DropIndicatorLayer.swift:1:8: note: Also imported here
import UIKit
       ^ (in target 'Arboreal' from project 'Arboreal')
/Users/admin/builder/spi-builder-workspace/Sources/Arboreal/UIKit/HapticController.swift:1:8: note: Also imported here
import UIKit
       ^ (in target 'Arboreal' from project 'Arboreal')
/Users/admin/builder/spi-builder-workspace/Sources/Arboreal/UIKit/MultiItemPreviewView.swift:1:8: note: Also imported here
import UIKit
       ^ (in target 'Arboreal' from project 'Arboreal')
/Users/admin/builder/spi-builder-workspace/Sources/Arboreal/UIKit/TreeContainerView.swift:1:8: note: Also imported here
import UIKit
       ^ (in target 'Arboreal' from project 'Arboreal')
/Users/admin/builder/spi-builder-workspace/Sources/Arboreal/UIKit/TreeNodeCell.swift:1:8: note: Also imported here
import UIKit
       ^ (in target 'Arboreal' from project 'Arboreal')
/Users/admin/builder/spi-builder-workspace/Sources/Arboreal/UIKit/ViewReusePool.swift:1:8: note: Also imported here
import UIKit
       ^ (in target 'Arboreal' from project 'Arboreal')
2026-04-16 06:43:12.201 xcodebuild[638:3883] [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:bcee63917a10becfd774f55fd3c2f850c7c74513, name:My Mac }
{ platform:macOS, arch:arm64, variant:Mac Catalyst, id:bcee63917a10becfd774f55fd3c2f850c7c74513, name:My Mac }
{ platform:macOS, arch:arm64, variant:DriverKit, id:bcee63917a10becfd774f55fd3c2f850c7c74513, name:My Mac }
{ platform:macOS, arch:arm64, variant:Designed for [iPad,iPhone], id:bcee63917a10becfd774f55fd3c2f850c7c74513, name:My Mac }
/Users/admin/builder/spi-builder-workspace/Sources/Arboreal/SwiftUI/TreeDragDropCoordinator.swift:1:8: error: unable to resolve module dependency: 'UIKit'
import UIKit
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Arboreal/SwiftUI/TreeDragDropCoordinator.swift:1:8: note: a dependency of main module 'Arboreal'
import UIKit
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Arboreal/UIKit/DropIndicatorLayer.swift:1:8: note: also imported here
import UIKit
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Arboreal/UIKit/HapticController.swift:1:8: note: also imported here
import UIKit
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Arboreal/UIKit/MultiItemPreviewView.swift:1:8: note: also imported here
import UIKit
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Arboreal/UIKit/TreeContainerView.swift:1:8: note: also imported here
import UIKit
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Arboreal/UIKit/TreeNodeCell.swift:1:8: note: also imported here
import UIKit
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Arboreal/UIKit/ViewReusePool.swift:1:8: note: also imported here
import UIKit
       ^
** BUILD FAILED **
The following build commands failed:
	SwiftDriver Arboreal normal arm64 com.apple.xcode.tools.swift.compiler (in target 'Arboreal' from project 'Arboreal')
	Building workspace spi-builder-workspace with scheme Arboreal
(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:
  Arboreal: /Users/admin/builder/spi-builder-workspace
resolved source packages: Arboreal
2026-04-16 06:43:18.442 xcodebuild[655:4093] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Arboreal",
  "name" : "Arboreal",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "18.0"
    }
  ],
  "products" : [
    {
      "name" : "Arboreal",
      "targets" : [
        "Arboreal"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "ArborealTests",
      "module_type" : "SwiftTarget",
      "name" : "ArborealTests",
      "path" : "Tests/ArborealTests",
      "sources" : [
        "ExpansionStateTests.swift",
        "PreviewLayoutTests.swift",
        "TestHelpers.swift",
        "TreeContainerEmbeddedTests.swift",
        "TreeFlatteningTests.swift",
        "TreeMutationTests.swift",
        "TreeNodeTests.swift",
        "VisibleRowCountTests.swift"
      ],
      "target_dependencies" : [
        "Arboreal"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Arboreal",
      "module_type" : "SwiftTarget",
      "name" : "Arboreal",
      "path" : "Sources/Arboreal",
      "product_memberships" : [
        "Arboreal"
      ],
      "sources" : [
        "Configuration/DropPreviewTheme.swift",
        "Configuration/FloatingDragStyle.swift",
        "Configuration/HapticConfiguration.swift",
        "Configuration/TreeDragDropConfiguration.swift",
        "Data/DragPayload.swift",
        "Data/DropTarget.swift",
        "Data/ExpansionState.swift",
        "Data/FlatTreeEntry.swift",
        "Data/TreeFlattening.swift",
        "Data/TreeMutations.swift",
        "Data/TreeNode.swift",
        "Data/TreeNodeContent.swift",
        "Data/VisibleRowCount.swift",
        "SwiftUI/TreeDragDropCoordinator.swift",
        "SwiftUI/TreeDragDropView.swift",
        "UIKit/DragState.swift",
        "UIKit/DropIndicatorLayer.swift",
        "UIKit/HapticController.swift",
        "UIKit/MultiItemPreviewView.swift",
        "UIKit/TreeContainerView.swift",
        "UIKit/TreeNodeCell.swift",
        "UIKit/ViewReusePool.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.2"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "Arboreal"
    ]
  }
}
2026-04-16 06:43:19.674 xcodebuild[665:4181] [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 Arboreal -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 Arboreal -destination platform=macOS,arch=arm64
Resolve Package Graph
Resolved source packages:
  Arboreal: /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 'Arboreal' in project 'Arboreal'
        ➜ Explicit dependency on target 'Arboreal' in project 'Arboreal'
    Target 'Arboreal' in project 'Arboreal' (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 Arboreal normal arm64 com.apple.xcode.tools.swift.compiler (in target 'Arboreal' from project 'Arboreal')
    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 Arboreal -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Arboreal.build/Debug/Arboreal.build/Objects-normal/arm64/Arboreal.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 6 -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/Arboreal.build/Debug/Arboreal.build/Objects-normal/arm64/Arboreal-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/Arboreal.build/Debug/Arboreal.build/Objects-normal/arm64/Arboreal.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/Arboreal.build/Debug/Arboreal.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Arboreal.build/Debug/Arboreal.build/Objects-normal/arm64/Arboreal_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/Arboreal.build/Debug/Arboreal.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Arboreal.build/Debug/Arboreal.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Arboreal.build/Debug/Arboreal.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/Arboreal.build/Debug/Arboreal.build/Objects-normal/arm64/Arboreal-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/Arboreal/SwiftUI/TreeDragDropCoordinator.swift:1:8: error: Unable to resolve module dependency: 'UIKit'
import UIKit
       ^ (in target 'Arboreal' from project 'Arboreal')
/Users/admin/builder/spi-builder-workspace/Sources/Arboreal/SwiftUI/TreeDragDropCoordinator.swift:1:8: note: A dependency of main module 'Arboreal'
import UIKit
       ^ (in target 'Arboreal' from project 'Arboreal')
/Users/admin/builder/spi-builder-workspace/Sources/Arboreal/UIKit/DropIndicatorLayer.swift:1:8: note: Also imported here
import UIKit
       ^ (in target 'Arboreal' from project 'Arboreal')
/Users/admin/builder/spi-builder-workspace/Sources/Arboreal/UIKit/HapticController.swift:1:8: note: Also imported here
import UIKit
       ^ (in target 'Arboreal' from project 'Arboreal')
/Users/admin/builder/spi-builder-workspace/Sources/Arboreal/UIKit/MultiItemPreviewView.swift:1:8: note: Also imported here
import UIKit
       ^ (in target 'Arboreal' from project 'Arboreal')
/Users/admin/builder/spi-builder-workspace/Sources/Arboreal/UIKit/TreeContainerView.swift:1:8: note: Also imported here
import UIKit
       ^ (in target 'Arboreal' from project 'Arboreal')
/Users/admin/builder/spi-builder-workspace/Sources/Arboreal/UIKit/TreeNodeCell.swift:1:8: note: Also imported here
import UIKit
       ^ (in target 'Arboreal' from project 'Arboreal')
/Users/admin/builder/spi-builder-workspace/Sources/Arboreal/UIKit/ViewReusePool.swift:1:8: note: Also imported here
import UIKit
       ^ (in target 'Arboreal' from project 'Arboreal')
2026-04-16 06:43:20.541 xcodebuild[668:4214] [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:bcee63917a10becfd774f55fd3c2f850c7c74513, name:My Mac }
{ platform:macOS, arch:arm64, variant:Mac Catalyst, id:bcee63917a10becfd774f55fd3c2f850c7c74513, name:My Mac }
{ platform:macOS, arch:arm64, variant:DriverKit, id:bcee63917a10becfd774f55fd3c2f850c7c74513, name:My Mac }
{ platform:macOS, arch:arm64, variant:Designed for [iPad,iPhone], id:bcee63917a10becfd774f55fd3c2f850c7c74513, name:My Mac }
/Users/admin/builder/spi-builder-workspace/Sources/Arboreal/SwiftUI/TreeDragDropCoordinator.swift:1:8: error: unable to resolve module dependency: 'UIKit'
import UIKit
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Arboreal/SwiftUI/TreeDragDropCoordinator.swift:1:8: note: a dependency of main module 'Arboreal'
import UIKit
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Arboreal/UIKit/DropIndicatorLayer.swift:1:8: note: also imported here
import UIKit
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Arboreal/UIKit/HapticController.swift:1:8: note: also imported here
import UIKit
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Arboreal/UIKit/MultiItemPreviewView.swift:1:8: note: also imported here
import UIKit
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Arboreal/UIKit/TreeContainerView.swift:1:8: note: also imported here
import UIKit
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Arboreal/UIKit/TreeNodeCell.swift:1:8: note: also imported here
import UIKit
       ^
/Users/admin/builder/spi-builder-workspace/Sources/Arboreal/UIKit/ViewReusePool.swift:1:8: note: also imported here
import UIKit
       ^
** BUILD FAILED **
The following build commands failed:
	SwiftDriver Arboreal normal arm64 com.apple.xcode.tools.swift.compiler (in target 'Arboreal' from project 'Arboreal')
	Building workspace spi-builder-workspace with scheme Arboreal
(2 failures)
BUILD FAILURE 6.3 macosXcodebuild