Swift Package Index

Build Information

Failed to build SOS, reference main (de3ad9), with Swift 6.3 for iOS using Xcode 26.4 on 18 Apr 2026 16:47:44 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme SOS-Package -destination generic/platform=iOS

Build Log

========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/bastie/SOS.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/bastie/SOS
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at de3ad9b ASCON algorithm for arc4random_buf included
Cloned https://github.com/bastie/SOS.git
Revision (git rev-parse @):
de3ad9b2734fe51a40907e59e4d53951a797d48f
SUCCESS checkout https://github.com/bastie/SOS.git at main
========================================
Build
========================================
Selected platform:         iOS
Swift version:             6.3
Building package at path:  $PWD
https://github.com/bastie/SOS.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
Fetching from https://github.com/swiftlang/swift-docc-plugin
Fetching from https://github.com/swiftlang/swift-docc-symbolkit
Creating working copy of package ‘swift-docc-plugin’
Checking out 1.4.6 of package ‘swift-docc-plugin’
Creating working copy of package ‘swift-docc-symbolkit’
Checking out 1.0.0 of package ‘swift-docc-symbolkit’
Resolve Package Graph
Resolved source packages:
  SwiftDocCPlugin: https://github.com/swiftlang/swift-docc-plugin @ 1.4.6
  SymbolKit: https://github.com/swiftlang/swift-docc-symbolkit @ 1.0.0
  SOS: /Users/admin/builder/spi-builder-workspace
resolved source packages: SwiftDocCPlugin, SymbolKit, SOS
2026-04-18 12:46:44.880 xcodebuild[525:3004] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
  "default_localization" : "de",
  "dependencies" : [
    {
      "identity" : "swift-docc-plugin",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.1.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/swiftlang/swift-docc-plugin"
    }
  ],
  "manifest_display_name" : "SOS",
  "name" : "SOS",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "26.0"
    }
  ],
  "products" : [
  ],
  "targets" : [
    {
      "c99name" : "Kernel",
      "module_type" : "SwiftTarget",
      "name" : "Kernel",
      "path" : "Sources/Kernel",
      "sources" : [
        "4Swift/4Runtime+Ascon.swift",
        "4Swift/4Runtime.swift",
        "4Swift/4String.swift",
        "DeviceTree/DTBChosenInfo.swift",
        "DeviceTree/DTBEntry.swift",
        "DeviceTree/DTBEntryType.swift",
        "DeviceTree/DTBHead.swift",
        "DeviceTree/DTBInfo.swift",
        "DeviceTree/DTBParser.swift",
        "KernelImpl.swift",
        "Memory.swift",
        "PowerManagement.swift",
        "String.swift",
        "UART.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.2"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "SOS-Package"
    ]
  }
}
2026-04-18 12:47:06.026 xcodebuild[802:4739] [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 SOS-Package -destination generic/platform=iOS
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 SOS-Package -destination generic/platform=iOS
Resolve Package Graph
Resolve Package Graph
Resolved source packages:
  SwiftDocCPlugin: https://github.com/swiftlang/swift-docc-plugin @ 1.4.6
  SymbolKit: https://github.com/swiftlang/swift-docc-symbolkit @ 1.0.0
  SOS: /Users/admin/builder/spi-builder-workspace
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (1 target)
    Target 'Kernel' in project 'SOS' (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/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.4.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: cacf8c84499744a284676dd0ab41bdf1
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/cacf8c84499744a284676dd0ab41bdf1.xcbuilddata
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/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.4.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos26.4-23E237-688ef53f1462e2c8f657fdc38a81448fc1e9a37d8fcda5dee89abd67dc927a23.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/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.4.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos26.4-23E237-688ef53f1462e2c8f657fdc38a81448fc1e9a37d8fcda5dee89abd67dc927a23.sdkstatcache
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products
    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/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/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/EagerLinkingTBDs/Debug-iphoneos
    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-iphoneos
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/PackageFrameworks
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/PackageFrameworks
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SOS.build/Debug-iphoneos/Kernel.build/Kernel.modulemap (in target 'Kernel' from project 'SOS')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SOS.build/Debug-iphoneos/Kernel.build/Kernel.modulemap
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SOS.build/Debug-iphoneos/Kernel.build/Kernel.DependencyMetadataFileList (in target 'Kernel' from project 'SOS')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SOS.build/Debug-iphoneos/Kernel.build/Kernel.DependencyMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SOS.build/Debug-iphoneos/Kernel.build/Kernel.DependencyStaticMetadataFileList (in target 'Kernel' from project 'SOS')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SOS.build/Debug-iphoneos/Kernel.build/Kernel.DependencyStaticMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SOS.build/Debug-iphoneos/Kernel.build/Objects-normal/arm64/Kernel.SwiftFileList (in target 'Kernel' from project 'SOS')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SOS.build/Debug-iphoneos/Kernel.build/Objects-normal/arm64/Kernel.SwiftFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SOS.build/Debug-iphoneos/Kernel.build/Objects-normal/arm64/Kernel.SwiftConstValuesFileList (in target 'Kernel' from project 'SOS')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SOS.build/Debug-iphoneos/Kernel.build/Objects-normal/arm64/Kernel.SwiftConstValuesFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SOS.build/Debug-iphoneos/Kernel.build/Objects-normal/arm64/Kernel_const_extract_protocols.json (in target 'Kernel' from project 'SOS')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SOS.build/Debug-iphoneos/Kernel.build/Objects-normal/arm64/Kernel_const_extract_protocols.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SOS.build/Debug-iphoneos/Kernel.build/Objects-normal/arm64/Kernel.LinkFileList (in target 'Kernel' from project 'SOS')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SOS.build/Debug-iphoneos/Kernel.build/Objects-normal/arm64/Kernel.LinkFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SOS.build/Debug-iphoneos/Kernel.build/Objects-normal/arm64/Kernel-OutputFileMap.json (in target 'Kernel' from project 'SOS')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SOS.build/Debug-iphoneos/Kernel.build/Objects-normal/arm64/Kernel-OutputFileMap.json
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-iphoneos/Kernel.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SOS.build/Debug-iphoneos/Kernel.build/Kernel.modulemap (in target 'Kernel' from project 'SOS')
    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/SOS.build/Debug-iphoneos/Kernel.build/Kernel.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-iphoneos
SwiftDriver Kernel normal arm64 com.apple.xcode.tools.swift.compiler (in target 'Kernel' from project 'SOS')
    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 Kernel -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SOS.build/Debug-iphoneos/Kernel.build/Objects-normal/arm64/Kernel.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -DXcode -enable-experimental-feature Embedded -enable-experimental-feature Extern -enable-experimental-feature SymbolLinkageMarkers -target aarch64-none-none-elf -wmo -Xfrontend -disable-stack-protector -Xllvm -relocation-model\=pic -Xfrontend -disable-implicit-concurrency-module-import -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/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.4.sdk -target arm64-apple-ios12.0 -g -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -Xfrontend -serialize-debugging-options -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-iphoneos -Isystem /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.4.sdk/Developer/Library/Frameworks -emit-localized-strings -emit-localized-strings-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SOS.build/Debug-iphoneos/Kernel.build/Objects-normal/arm64 -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos26.4-23E237-688ef53f1462e2c8f657fdc38a81448fc1e9a37d8fcda5dee89abd67dc927a23.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SOS.build/Debug-iphoneos/Kernel.build/Objects-normal/arm64/Kernel-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/SOS.build/Debug-iphoneos/Kernel.build/Objects-normal/arm64/Kernel.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/SOS.build/Debug-iphoneos/Kernel.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SOS.build/Debug-iphoneos/Kernel.build/Objects-normal/arm64/Kernel_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SOS.build/Debug-iphoneos/Kernel.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SOS.build/Debug-iphoneos/Kernel.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SOS.build/Debug-iphoneos/Kernel.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/SOS.build/Debug-iphoneos/Kernel.build/Objects-normal/arm64/Kernel-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
warning: Ignoring '-enable-batch-mode' because '-whole-module-optimization' was also specified (in target 'Kernel' from project 'SOS')
note: Incremental compilation has been disabled: it is not compatible with whole module optimization (in target 'Kernel' from project 'SOS')
error: Unable to resolve module dependency: 'Swift' (in target 'Kernel' from project 'SOS')
note: A dependency of main module 'Kernel' (in target 'Kernel' from project 'SOS')
2026-04-18 12:47:14.620 xcodebuild[895:5399] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
warning: ignoring '-enable-batch-mode' because '-whole-module-optimization' was also specified
remark: Incremental compilation has been disabled: it is not compatible with whole module optimization
error: unable to resolve module dependency: 'Swift'
note: a dependency of main module 'Kernel'
** BUILD FAILED **
The following build commands failed:
	SwiftDriver Kernel normal arm64 com.apple.xcode.tools.swift.compiler (in target 'Kernel' from project 'SOS')
	Building workspace spi-builder-workspace with scheme SOS-Package
(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:
  SymbolKit: https://github.com/swiftlang/swift-docc-symbolkit @ 1.0.0
  SOS: /Users/admin/builder/spi-builder-workspace
  SwiftDocCPlugin: https://github.com/swiftlang/swift-docc-plugin @ 1.4.6
resolved source packages: SymbolKit, SOS, SwiftDocCPlugin
2026-04-18 12:47:29.714 xcodebuild[1040:6311] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
  "default_localization" : "de",
  "dependencies" : [
    {
      "identity" : "swift-docc-plugin",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.1.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/swiftlang/swift-docc-plugin"
    }
  ],
  "manifest_display_name" : "SOS",
  "name" : "SOS",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "26.0"
    }
  ],
  "products" : [
  ],
  "targets" : [
    {
      "c99name" : "Kernel",
      "module_type" : "SwiftTarget",
      "name" : "Kernel",
      "path" : "Sources/Kernel",
      "sources" : [
        "4Swift/4Runtime+Ascon.swift",
        "4Swift/4Runtime.swift",
        "4Swift/4String.swift",
        "DeviceTree/DTBChosenInfo.swift",
        "DeviceTree/DTBEntry.swift",
        "DeviceTree/DTBEntryType.swift",
        "DeviceTree/DTBHead.swift",
        "DeviceTree/DTBInfo.swift",
        "DeviceTree/DTBParser.swift",
        "KernelImpl.swift",
        "Memory.swift",
        "PowerManagement.swift",
        "String.swift",
        "UART.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.2"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "SOS-Package"
    ]
  }
}
2026-04-18 12:47:37.247 xcodebuild[1106:6741] [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 SOS-Package -destination generic/platform=iOS
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 SOS-Package -destination generic/platform=iOS
Resolve Package Graph
Resolved source packages:
  SwiftDocCPlugin: https://github.com/swiftlang/swift-docc-plugin @ 1.4.6
  SymbolKit: https://github.com/swiftlang/swift-docc-symbolkit @ 1.0.0
  SOS: /Users/admin/builder/spi-builder-workspace
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (1 target)
    Target 'Kernel' in project 'SOS' (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/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.4.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos26.4-23E237-688ef53f1462e2c8f657fdc38a81448fc1e9a37d8fcda5dee89abd67dc927a23.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/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.4.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos26.4-23E237-688ef53f1462e2c8f657fdc38a81448fc1e9a37d8fcda5dee89abd67dc927a23.sdkstatcache
SwiftDriver Kernel normal arm64 com.apple.xcode.tools.swift.compiler (in target 'Kernel' from project 'SOS')
    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 Kernel -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SOS.build/Debug-iphoneos/Kernel.build/Objects-normal/arm64/Kernel.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -DXcode -enable-experimental-feature Embedded -enable-experimental-feature Extern -enable-experimental-feature SymbolLinkageMarkers -target aarch64-none-none-elf -wmo -Xfrontend -disable-stack-protector -Xllvm -relocation-model\=pic -Xfrontend -disable-implicit-concurrency-module-import -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/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.4.sdk -target arm64-apple-ios12.0 -g -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -Xfrontend -serialize-debugging-options -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-iphoneos -Isystem /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.4.sdk/Developer/Library/Frameworks -emit-localized-strings -emit-localized-strings-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SOS.build/Debug-iphoneos/Kernel.build/Objects-normal/arm64 -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos26.4-23E237-688ef53f1462e2c8f657fdc38a81448fc1e9a37d8fcda5dee89abd67dc927a23.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SOS.build/Debug-iphoneos/Kernel.build/Objects-normal/arm64/Kernel-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/SOS.build/Debug-iphoneos/Kernel.build/Objects-normal/arm64/Kernel.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/SOS.build/Debug-iphoneos/Kernel.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SOS.build/Debug-iphoneos/Kernel.build/Objects-normal/arm64/Kernel_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SOS.build/Debug-iphoneos/Kernel.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SOS.build/Debug-iphoneos/Kernel.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SOS.build/Debug-iphoneos/Kernel.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/SOS.build/Debug-iphoneos/Kernel.build/Objects-normal/arm64/Kernel-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
warning: Ignoring '-enable-batch-mode' because '-whole-module-optimization' was also specified (in target 'Kernel' from project 'SOS')
note: Incremental compilation has been disabled: it is not compatible with whole module optimization (in target 'Kernel' from project 'SOS')
error: Unable to resolve module dependency: 'Swift' (in target 'Kernel' from project 'SOS')
note: A dependency of main module 'Kernel' (in target 'Kernel' from project 'SOS')
2026-04-18 12:47:44.115 xcodebuild[1165:7121] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
warning: ignoring '-enable-batch-mode' because '-whole-module-optimization' was also specified
remark: Incremental compilation has been disabled: it is not compatible with whole module optimization
error: unable to resolve module dependency: 'Swift'
note: a dependency of main module 'Kernel'
** BUILD FAILED **
The following build commands failed:
	SwiftDriver Kernel normal arm64 com.apple.xcode.tools.swift.compiler (in target 'Kernel' from project 'SOS')
	Building workspace spi-builder-workspace with scheme SOS-Package
(2 failures)
BUILD FAILURE 6.3 iOS