Swift Package Index

Build Information

Failed to build RainbowUI, reference main (a07e1d), with Swift 6.2 for watchOS using Xcode 26.3 on 23 Jun 2025 03:46:13 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 RainbowUI -destination generic/platform=watchOS

Build Log

========================================
RunAll
========================================
Builder version: 4.64.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/sakrist/RainbowUI.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/sakrist/RainbowUI
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at a07e1de fix corners
Cloned https://github.com/sakrist/RainbowUI.git
Revision (git rev-parse @):
a07e1dee2c56f18b050d794c86bcf686fd28a51e
SUCCESS checkout https://github.com/sakrist/RainbowUI.git at main
========================================
Build
========================================
Selected platform:         watchOS
Swift version:             6.2
Building package at path:  $PWD
https://github.com/sakrist/RainbowUI.git
Command line invocation:
    /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Resolve Package Graph
Resolved source packages:
  RainbowUI: /Users/admin/builder/spi-builder-workspace
resolved source packages: RainbowUI
{
  "dependencies" : [
  ],
  "manifest_display_name" : "RainbowUI",
  "name" : "RainbowUI",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "17.0"
    },
    {
      "name" : "macos",
      "version" : "14.0"
    }
  ],
  "products" : [
    {
      "name" : "RainbowUI",
      "targets" : [
        "RainbowUI"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "RainbowUI",
      "module_type" : "SwiftTarget",
      "name" : "RainbowUI",
      "path" : "Sources/RainbowUI",
      "product_memberships" : [
        "RainbowUI"
      ],
      "resources" : [
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Sources/RainbowUI/Shaders/Shaders.metal",
          "rule" : {
            "process" : {
            }
          }
        }
      ],
      "sources" : [
        "Gradient.swift",
        "RainbowBorder.swift",
        "RainbowButtonStyle.swift",
        "RainbowHelper.swift",
        "RainbowView.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.0"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "RainbowUI"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.0.0-Beta.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme RainbowUI -destination generic/platform=watchOS
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 RainbowUI -destination generic/platform=watchOS
Resolve Package Graph
Resolved source packages:
  RainbowUI: /Users/admin/builder/spi-builder-workspace
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (3 targets)
    Target 'RainbowUI' in project 'RainbowUI'
        ➜ Explicit dependency on target 'RainbowUI' in project 'RainbowUI'
        ➜ Explicit dependency on target 'RainbowUI_RainbowUI' in project 'RainbowUI'
    Target 'RainbowUI' in project 'RainbowUI'
        ➜ Explicit dependency on target 'RainbowUI_RainbowUI' in project 'RainbowUI'
    Target 'RainbowUI_RainbowUI' in project 'RainbowUI' (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/WatchOS.platform/Developer/SDKs/WatchOS26.0.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: 286c267ea6b8576781c7a8291c93e6ff
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/286c267ea6b8576781c7a8291c93e6ff.xcbuilddata
ClangStatCache /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.0.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos26.0-23R5280j-041894b46d26f03ea1587ab1cb6ac97e.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/WatchOS.platform/Developer/SDKs/WatchOS26.0.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos26.0-23R5280j-041894b46d26f03ea1587ab1cb6ac97e.sdkstatcache
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/EagerLinkingTBDs/Debug-watchos
    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-watchos
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/PackageFrameworks
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/PackageFrameworks
MkDir /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/RainbowUI_RainbowUI.bundle (in target 'RainbowUI_RainbowUI' from project 'RainbowUI')
    cd /Users/admin/builder/spi-builder-workspace
    /bin/mkdir -p /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/RainbowUI_RainbowUI.bundle
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/RainbowUI.build/Debug-watchos/RainbowUI.build/RainbowUI.DependencyStaticMetadataFileList (in target 'RainbowUI' from project 'RainbowUI')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/RainbowUI.build/Debug-watchos/RainbowUI.build/RainbowUI.DependencyStaticMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/RainbowUI.build/Debug-watchos/RainbowUI.build/RainbowUI.DependencyMetadataFileList (in target 'RainbowUI' from project 'RainbowUI')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/RainbowUI.build/Debug-watchos/RainbowUI.build/RainbowUI.DependencyMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/RainbowUI.build/Debug-watchos/RainbowUI_RainbowUI.build/RainbowUI_RainbowUI.DependencyStaticMetadataFileList (in target 'RainbowUI_RainbowUI' from project 'RainbowUI')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/RainbowUI.build/Debug-watchos/RainbowUI_RainbowUI.build/RainbowUI_RainbowUI.DependencyStaticMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/RainbowUI.build/Debug-watchos/RainbowUI_RainbowUI.build/empty-RainbowUI_RainbowUI.plist (in target 'RainbowUI_RainbowUI' from project 'RainbowUI')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/RainbowUI.build/Debug-watchos/RainbowUI_RainbowUI.build/empty-RainbowUI_RainbowUI.plist
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/RainbowUI.build/Debug-watchos/RainbowUI.build/RainbowUI.modulemap (in target 'RainbowUI' from project 'RainbowUI')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/RainbowUI.build/Debug-watchos/RainbowUI.build/RainbowUI.modulemap
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/RainbowUI.build/Debug-watchos/RainbowUI_RainbowUI.build/RainbowUI_RainbowUI.DependencyMetadataFileList (in target 'RainbowUI_RainbowUI' from project 'RainbowUI')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/RainbowUI.build/Debug-watchos/RainbowUI_RainbowUI.build/RainbowUI_RainbowUI.DependencyMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/RainbowUI.build/Debug-watchos/RainbowUI.build/Objects-normal/arm64_32/RainbowUI.SwiftFileList (in target 'RainbowUI' from project 'RainbowUI')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/RainbowUI.build/Debug-watchos/RainbowUI.build/Objects-normal/arm64_32/RainbowUI.SwiftFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/RainbowUI.build/Debug-watchos/RainbowUI.build/Objects-normal/arm64_32/RainbowUI_const_extract_protocols.json (in target 'RainbowUI' from project 'RainbowUI')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/RainbowUI.build/Debug-watchos/RainbowUI.build/Objects-normal/arm64_32/RainbowUI_const_extract_protocols.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/RainbowUI.build/Debug-watchos/RainbowUI.build/Objects-normal/arm64_32/RainbowUI.SwiftConstValuesFileList (in target 'RainbowUI' from project 'RainbowUI')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/RainbowUI.build/Debug-watchos/RainbowUI.build/Objects-normal/arm64_32/RainbowUI.SwiftConstValuesFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/RainbowUI.build/Debug-watchos/RainbowUI.build/Objects-normal/arm64_32/RainbowUI.LinkFileList (in target 'RainbowUI' from project 'RainbowUI')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/RainbowUI.build/Debug-watchos/RainbowUI.build/Objects-normal/arm64_32/RainbowUI.LinkFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/RainbowUI.build/Debug-watchos/RainbowUI.build/Objects-normal/arm64_32/RainbowUI-OutputFileMap.json (in target 'RainbowUI' from project 'RainbowUI')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/RainbowUI.build/Debug-watchos/RainbowUI.build/Objects-normal/arm64_32/RainbowUI-OutputFileMap.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/RainbowUI.build/Debug-watchos/RainbowUI.build/Objects-normal/arm64/RainbowUI.SwiftConstValuesFileList (in target 'RainbowUI' from project 'RainbowUI')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/RainbowUI.build/Debug-watchos/RainbowUI.build/Objects-normal/arm64/RainbowUI.SwiftConstValuesFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/RainbowUI.build/Debug-watchos/RainbowUI.build/Objects-normal/arm64/RainbowUI.SwiftFileList (in target 'RainbowUI' from project 'RainbowUI')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/RainbowUI.build/Debug-watchos/RainbowUI.build/Objects-normal/arm64/RainbowUI.SwiftFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/RainbowUI.build/Debug-watchos/RainbowUI.build/Objects-normal/arm64/RainbowUI_const_extract_protocols.json (in target 'RainbowUI' from project 'RainbowUI')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/RainbowUI.build/Debug-watchos/RainbowUI.build/Objects-normal/arm64/RainbowUI_const_extract_protocols.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/RainbowUI.build/Debug-watchos/RainbowUI.build/Objects-normal/arm64/RainbowUI.LinkFileList (in target 'RainbowUI' from project 'RainbowUI')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/RainbowUI.build/Debug-watchos/RainbowUI.build/Objects-normal/arm64/RainbowUI.LinkFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/RainbowUI.build/Debug-watchos/RainbowUI.build/Objects-normal/arm64/RainbowUI-OutputFileMap.json (in target 'RainbowUI' from project 'RainbowUI')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/RainbowUI.build/Debug-watchos/RainbowUI.build/Objects-normal/arm64/RainbowUI-OutputFileMap.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/RainbowUI.build/Debug-watchos/RainbowUI.build/DerivedSources/resource_bundle_accessor.swift (in target 'RainbowUI' from project 'RainbowUI')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/RainbowUI.build/Debug-watchos/RainbowUI.build/DerivedSources/resource_bundle_accessor.swift
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-watchos/RainbowUI.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/RainbowUI.build/Debug-watchos/RainbowUI.build/RainbowUI.modulemap (in target 'RainbowUI' from project 'RainbowUI')
    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/RainbowUI.build/Debug-watchos/RainbowUI.build/RainbowUI.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-watchos
ProcessInfoPlistFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/RainbowUI_RainbowUI.bundle/Info.plist /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/RainbowUI.build/Debug-watchos/RainbowUI_RainbowUI.build/empty-RainbowUI_RainbowUI.plist (in target 'RainbowUI_RainbowUI' from project 'RainbowUI')
    cd /Users/admin/builder/spi-builder-workspace
    builtin-infoPlistUtility /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/RainbowUI.build/Debug-watchos/RainbowUI_RainbowUI.build/empty-RainbowUI_RainbowUI.plist -producttype com.apple.product-type.bundle -expandbuildsettings -format binary -platform watchos -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/RainbowUI_RainbowUI.bundle/Info.plist
CompileMetalFile /Users/admin/builder/spi-builder-workspace/Sources/RainbowUI/Shaders/Shaders.metal (in target 'RainbowUI_RainbowUI' from project 'RainbowUI')
    cd /Users/admin/builder/spi-builder-workspace
    /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/metal -c -target air64-apple-watchos10.0 -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/include -F/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -isysroot /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.0.sdk -fmetal-math-mode\=fast -fmetal-math-fp32-functions\=fast -serialize-diagnostics /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/RainbowUI.build/Debug-watchos/RainbowUI_RainbowUI.build/Metal/Shaders.dia -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/RainbowUI.build/Debug-watchos/RainbowUI_RainbowUI.build/Metal/Shaders.air -MMD -MT dependencies -MF /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/RainbowUI.build/Debug-watchos/RainbowUI_RainbowUI.build/Metal/Shaders.dat /Users/admin/builder/spi-builder-workspace/Sources/RainbowUI/Shaders/Shaders.metal
/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/RainbowUI.build/Debug-watchos/RainbowUI_RainbowUI.build/Metal/Shaders.dia:1:1: warning: Could not read serialized diagnostics file: error("Failed to open diagnostics file") (in target 'RainbowUI_RainbowUI' from project 'RainbowUI')
error: error: cannot execute tool 'metal' due to missing Metal Toolchain; use: xcodebuild -downloadComponent MetalToolchain
** BUILD FAILED **
The following build commands failed:
	CompileMetalFile /Users/admin/builder/spi-builder-workspace/Sources/RainbowUI/Shaders/Shaders.metal (in target 'RainbowUI_RainbowUI' from project 'RainbowUI')
	Building workspace spi-builder-workspace with scheme RainbowUI
(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:
  RainbowUI: /Users/admin/builder/spi-builder-workspace
resolved source packages: RainbowUI
{
  "dependencies" : [
  ],
  "manifest_display_name" : "RainbowUI",
  "name" : "RainbowUI",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "17.0"
    },
    {
      "name" : "macos",
      "version" : "14.0"
    }
  ],
  "products" : [
    {
      "name" : "RainbowUI",
      "targets" : [
        "RainbowUI"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "RainbowUI",
      "module_type" : "SwiftTarget",
      "name" : "RainbowUI",
      "path" : "Sources/RainbowUI",
      "product_memberships" : [
        "RainbowUI"
      ],
      "resources" : [
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Sources/RainbowUI/Shaders/Shaders.metal",
          "rule" : {
            "process" : {
            }
          }
        }
      ],
      "sources" : [
        "Gradient.swift",
        "RainbowBorder.swift",
        "RainbowButtonStyle.swift",
        "RainbowHelper.swift",
        "RainbowView.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.0"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "RainbowUI"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.0.0-Beta.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme RainbowUI -destination generic/platform=watchOS
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 RainbowUI -destination generic/platform=watchOS
Resolve Package Graph
Resolved source packages:
  RainbowUI: /Users/admin/builder/spi-builder-workspace
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (3 targets)
    Target 'RainbowUI' in project 'RainbowUI'
        ➜ Explicit dependency on target 'RainbowUI' in project 'RainbowUI'
        ➜ Explicit dependency on target 'RainbowUI_RainbowUI' in project 'RainbowUI'
    Target 'RainbowUI' in project 'RainbowUI'
        ➜ Explicit dependency on target 'RainbowUI_RainbowUI' in project 'RainbowUI'
    Target 'RainbowUI_RainbowUI' in project 'RainbowUI' (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/WatchOS.platform/Developer/SDKs/WatchOS26.0.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos26.0-23R5280j-041894b46d26f03ea1587ab1cb6ac97e.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/WatchOS.platform/Developer/SDKs/WatchOS26.0.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos26.0-23R5280j-041894b46d26f03ea1587ab1cb6ac97e.sdkstatcache
ProcessInfoPlistFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/RainbowUI_RainbowUI.bundle/Info.plist /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/RainbowUI.build/Debug-watchos/RainbowUI_RainbowUI.build/empty-RainbowUI_RainbowUI.plist (in target 'RainbowUI_RainbowUI' from project 'RainbowUI')
    cd /Users/admin/builder/spi-builder-workspace
    builtin-infoPlistUtility /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/RainbowUI.build/Debug-watchos/RainbowUI_RainbowUI.build/empty-RainbowUI_RainbowUI.plist -producttype com.apple.product-type.bundle -expandbuildsettings -format binary -platform watchos -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/RainbowUI_RainbowUI.bundle/Info.plist
CompileMetalFile /Users/admin/builder/spi-builder-workspace/Sources/RainbowUI/Shaders/Shaders.metal (in target 'RainbowUI_RainbowUI' from project 'RainbowUI')
    cd /Users/admin/builder/spi-builder-workspace
    /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/metal -c -target air64-apple-watchos10.0 -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/include -F/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -isysroot /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.0.sdk -fmetal-math-mode\=fast -fmetal-math-fp32-functions\=fast -serialize-diagnostics /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/RainbowUI.build/Debug-watchos/RainbowUI_RainbowUI.build/Metal/Shaders.dia -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/RainbowUI.build/Debug-watchos/RainbowUI_RainbowUI.build/Metal/Shaders.air -MMD -MT dependencies -MF /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/RainbowUI.build/Debug-watchos/RainbowUI_RainbowUI.build/Metal/Shaders.dat /Users/admin/builder/spi-builder-workspace/Sources/RainbowUI/Shaders/Shaders.metal
/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/RainbowUI.build/Debug-watchos/RainbowUI_RainbowUI.build/Metal/Shaders.dia:1:1: warning: Could not read serialized diagnostics file: error("Failed to open diagnostics file") (in target 'RainbowUI_RainbowUI' from project 'RainbowUI')
error: error: cannot execute tool 'metal' due to missing Metal Toolchain; use: xcodebuild -downloadComponent MetalToolchain
** BUILD FAILED **
The following build commands failed:
	CompileMetalFile /Users/admin/builder/spi-builder-workspace/Sources/RainbowUI/Shaders/Shaders.metal (in target 'RainbowUI_RainbowUI' from project 'RainbowUI')
	Building workspace spi-builder-workspace with scheme RainbowUI
(2 failures)
BUILD FAILURE 6.2 watchOS