Swift Package Index

Build Information

Failed to build XCBuildKit, reference 0.2.0 (b00bf1), with Swift 6.3 for iOS using Xcode 26.4 on 21 Apr 2026 18:00:48 UTC.

Build Command

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

Build Log

========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/engali94/XCBuildKit.git
Reference: 0.2.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/engali94/XCBuildKit
 * tag               0.2.0      -> FETCH_HEAD
HEAD is now at b00bf1e More granular control over the build process
Cloned https://github.com/engali94/XCBuildKit.git
Revision (git rev-parse @):
b00bf1e051149afcf8a200d5c1c71b8056aae672
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/engali94/XCBuildKit.git at 0.2.0
========================================
Build
========================================
Selected platform:         iOS
Swift version:             6.3
Building package at path:  $PWD
https://github.com/engali94/XCBuildKit.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/apple/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:
  SymbolKit: https://github.com/swiftlang/swift-docc-symbolkit @ 1.0.0
  SwiftDocCPlugin: https://github.com/apple/swift-docc-plugin @ 1.4.6
  XCBuildKit: /Users/admin/builder/spi-builder-workspace
resolved source packages: SymbolKit, SwiftDocCPlugin, XCBuildKit
2026-04-21 13:59:47.594 xcodebuild[524:3040] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
  "dependencies" : [
    {
      "identity" : "swift-docc-plugin",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.0.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-docc-plugin"
    }
  ],
  "manifest_display_name" : "XCBuildKit",
  "name" : "XCBuildKit",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "13.0"
    }
  ],
  "products" : [
    {
      "name" : "XCBuildKit",
      "targets" : [
        "XCBuildKit"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "XCBuildKitTests",
      "module_type" : "SwiftTarget",
      "name" : "XCBuildKitTests",
      "path" : "Tests/XCBuildKitTests",
      "sources" : [
        "Shell/ShellCommandExecuterTests.swift",
        "XCBuild/XcodeBuildTests.swift"
      ],
      "target_dependencies" : [
        "XCBuildKit"
      ],
      "type" : "test"
    },
    {
      "c99name" : "XCBuildKit",
      "module_type" : "SwiftTarget",
      "name" : "XCBuildKit",
      "path" : "Sources/XCBuildKit",
      "product_memberships" : [
        "XCBuildKit"
      ],
      "sources" : [
        "Shell/ShellCommandExecuter.swift",
        "Shell/ShellCommandExecuting.swift",
        "Shell/ShellError.swift",
        "Shell/ShellOutput.swift",
        "XCBuild/BuildConfigurationValidator.swift",
        "XCBuild/BuildLogFormattable.swift",
        "XCBuild/BuildState.swift",
        "XCBuild/XcodeBuild.swift",
        "XCBuild/XcodeBuildAction.swift",
        "XCBuild/XcodeBuildOptions.swift",
        "XCBuild/XcodeBuilding.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.0"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "XCBuildKit"
    ]
  }
}
2026-04-21 14:00:09.038 xcodebuild[801:4764] [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 XCBuildKit -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 XCBuildKit -destination generic/platform=iOS
Resolve Package Graph
Resolve Package Graph
Resolved source packages:
  SymbolKit: https://github.com/swiftlang/swift-docc-symbolkit @ 1.0.0
  SwiftDocCPlugin: https://github.com/apple/swift-docc-plugin @ 1.4.6
  XCBuildKit: /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 'XCBuildKit' in project 'XCBuildKit'
        ➜ Explicit dependency on target 'XCBuildKit' in project 'XCBuildKit'
    Target 'XCBuildKit' in project 'XCBuildKit' (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
ReadFileContents /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/share/docc/features.json
Build description signature: 27b02cde0b99361d2e663a2ec1a0925d
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/27b02cde0b99361d2e663a2ec1a0925d.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/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/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-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/XCBuildKit.build/Debug-iphoneos/XCBuildKit.build/XCBuildKit.DependencyStaticMetadataFileList (in target 'XCBuildKit' from project 'XCBuildKit')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildKit.build/Debug-iphoneos/XCBuildKit.build/XCBuildKit.DependencyStaticMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildKit.build/Debug-iphoneos/XCBuildKit.build/XCBuildKit.modulemap (in target 'XCBuildKit' from project 'XCBuildKit')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildKit.build/Debug-iphoneos/XCBuildKit.build/XCBuildKit.modulemap
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildKit.build/Debug-iphoneos/XCBuildKit.build/XCBuildKit.DependencyMetadataFileList (in target 'XCBuildKit' from project 'XCBuildKit')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildKit.build/Debug-iphoneos/XCBuildKit.build/XCBuildKit.DependencyMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildKit.build/Debug-iphoneos/XCBuildKit.build/Objects-normal/arm64/XCBuildKit-OutputFileMap.json (in target 'XCBuildKit' from project 'XCBuildKit')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildKit.build/Debug-iphoneos/XCBuildKit.build/Objects-normal/arm64/XCBuildKit-OutputFileMap.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildKit.build/Debug-iphoneos/XCBuildKit.build/Objects-normal/arm64/XCBuildKit.SwiftFileList (in target 'XCBuildKit' from project 'XCBuildKit')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildKit.build/Debug-iphoneos/XCBuildKit.build/Objects-normal/arm64/XCBuildKit.SwiftFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildKit.build/Debug-iphoneos/XCBuildKit.build/Objects-normal/arm64/XCBuildKit_const_extract_protocols.json (in target 'XCBuildKit' from project 'XCBuildKit')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildKit.build/Debug-iphoneos/XCBuildKit.build/Objects-normal/arm64/XCBuildKit_const_extract_protocols.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildKit.build/Debug-iphoneos/XCBuildKit.build/Objects-normal/arm64/XCBuildKit.LinkFileList (in target 'XCBuildKit' from project 'XCBuildKit')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildKit.build/Debug-iphoneos/XCBuildKit.build/Objects-normal/arm64/XCBuildKit.LinkFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildKit.build/Debug-iphoneos/XCBuildKit.build/Objects-normal/arm64/XCBuildKit.SwiftConstValuesFileList (in target 'XCBuildKit' from project 'XCBuildKit')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildKit.build/Debug-iphoneos/XCBuildKit.build/Objects-normal/arm64/XCBuildKit.SwiftConstValuesFileList
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-iphoneos/XCBuildKit.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildKit.build/Debug-iphoneos/XCBuildKit.build/XCBuildKit.modulemap (in target 'XCBuildKit' from project 'XCBuildKit')
    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/XCBuildKit.build/Debug-iphoneos/XCBuildKit.build/XCBuildKit.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-iphoneos
SwiftDriver XCBuildKit normal arm64 com.apple.xcode.tools.swift.compiler (in target 'XCBuildKit' from project 'XCBuildKit')
    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 XCBuildKit -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildKit.build/Debug-iphoneos/XCBuildKit.build/Objects-normal/arm64/XCBuildKit.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/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 -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-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 -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/XCBuildKit.build/Debug-iphoneos/XCBuildKit.build/Objects-normal/arm64/XCBuildKit-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/XCBuildKit.build/Debug-iphoneos/XCBuildKit.build/Objects-normal/arm64/XCBuildKit.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/XCBuildKit.build/Debug-iphoneos/XCBuildKit.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildKit.build/Debug-iphoneos/XCBuildKit.build/Objects-normal/arm64/XCBuildKit_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/XCBuildKit.build/Debug-iphoneos/XCBuildKit.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildKit.build/Debug-iphoneos/XCBuildKit.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildKit.build/Debug-iphoneos/XCBuildKit.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/XCBuildKit.build/Debug-iphoneos/XCBuildKit.build/Objects-normal/arm64/XCBuildKit-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_AvailabilityInternal-DRBE05WTIQ7ACVT7Y6YGZODUY.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/ptrauth-EVM6GW9SZ6CRXTGUQQ124XEBO.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_Builtin_stdbool-5KEALQN5NJXC4X329C367A0K7.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_Builtin_float-HP5MXOZ7N6H08XBIIBU21W03.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_SwiftConcurrencyShims-3UUCPJBUHL3K534RCCBXSBB3X.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_Builtin_stddef-7L0REK52XTH8ZYP90P1N5CALM.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/SwiftShims-E7OWC3M09GZO0LY27ATGLKJI3.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_Builtin_stdarg-E39AVOP2SN8T25977T92RVOF7.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/ptrcheck-7WY9SV0NOI77B3HLQR3G6B2U2.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_DarwinFoundation1-4VODZL7MKDR6ATPLH7QG7ETMG.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_DarwinFoundation2-CVCBHX7ECRZPDFMFYEU6Z84GU.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_Builtin_limits-77EQYCUNCP8116AR94LE410HP.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_Builtin_stdint-BYP3LK8028GB2PN4VTCUURGS6.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/sys_types-2C2SAE12M5DP4RJYM2C939WHZ.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_DarwinFoundation3-4B5ECDFZNZ7LPBOQ1H7BC639V.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_Builtin_inttypes-D17V8P285CBEXMPVEYFY0G4SF.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Darwin-554UPS2QTSOY8ZV44D2FKES4B.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/ObjectiveC-9A7WXY9SHUS1KJQFQ7QQ6NA9M.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/os_object-BDX18O8NTWODGZLB2TEGYS5U8.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/os_workgroup-5XILUNO7UQ5NDLLKAGEIJPGEW.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Dispatch-6A7RGF69WB3M9RFKOB4YO3GWO.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/CoreFoundation-4AE3ZYZKEBKHBN9EB2825H9LL.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/XPC-F1GRQAGHTP0DXIENJF1IQKBZ7.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/CFNetwork-8J6WVMAV0LGZYGOH9ZG7ZGPT9.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Security-5UD51NC8JD5LMGXF67VUIQV.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Foundation-7BULF7RJC18K60D82L3PK0G3Q.pcm
SwiftCompile normal arm64 Compiling\ ShellOutput.swift /Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellOutput.swift (in target 'XCBuildKit' from project 'XCBuildKit')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellOutput.swift (in target 'XCBuildKit' from project 'XCBuildKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ XcodeBuildOptions.swift /Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/XcodeBuildOptions.swift (in target 'XCBuildKit' from project 'XCBuildKit')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/XcodeBuildOptions.swift (in target 'XCBuildKit' from project 'XCBuildKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ BuildConfigurationValidator.swift /Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/BuildConfigurationValidator.swift (in target 'XCBuildKit' from project 'XCBuildKit')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/BuildConfigurationValidator.swift (in target 'XCBuildKit' from project 'XCBuildKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ XcodeBuildAction.swift /Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/XcodeBuildAction.swift (in target 'XCBuildKit' from project 'XCBuildKit')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/XcodeBuildAction.swift (in target 'XCBuildKit' from project 'XCBuildKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ XcodeBuild.swift /Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/XcodeBuild.swift (in target 'XCBuildKit' from project 'XCBuildKit')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/XcodeBuild.swift (in target 'XCBuildKit' from project 'XCBuildKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ XcodeBuilding.swift /Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/XcodeBuilding.swift (in target 'XCBuildKit' from project 'XCBuildKit')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/XcodeBuilding.swift (in target 'XCBuildKit' from project 'XCBuildKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ BuildLogFormattable.swift /Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/BuildLogFormattable.swift (in target 'XCBuildKit' from project 'XCBuildKit')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/BuildLogFormattable.swift (in target 'XCBuildKit' from project 'XCBuildKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftEmitModule normal arm64 Emitting\ module\ for\ XCBuildKit (in target 'XCBuildKit' from project 'XCBuildKit')
Failed frontend command:
/Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuter.swift /Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuting.swift /Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellError.swift /Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellOutput.swift /Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/BuildConfigurationValidator.swift /Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/BuildLogFormattable.swift /Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/BuildState.swift /Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/XcodeBuild.swift /Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/XcodeBuildAction.swift /Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/XcodeBuildOptions.swift /Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/XcodeBuilding.swift -target arm64-apple-ios12.0 -load-resolved-plugin /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib/swift/host/plugins/libFoundationMacros.dylib\#/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/swift-plugin-server\#FoundationMacros -load-resolved-plugin /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib/swift/host/plugins/libObservationMacros.dylib\#/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/swift-plugin-server\#ObservationMacros -load-resolved-plugin /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib/swift/host/plugins/libSwiftMacros.dylib\#/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/swift-plugin-server\#SwiftMacros -disable-implicit-swift-modules -Xcc -fno-implicit-modules -Xcc -fno-implicit-module-maps -explicit-swift-module-map-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildKit.build/Debug-iphoneos/XCBuildKit.build/Objects-normal/arm64/XCBuildKit-dependencies-1.json -Xllvm -aarch64-use-tbi -enable-objc-interop -sdk /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.4.sdk -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 -no-color-diagnostics -Xcc -fno-color-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules -profile-generate -profile-coverage-mapping -swift-version 6 -Onone -D SWIFT_PACKAGE -D DEBUG -D SWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -D Xcode -serialize-debugging-options -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildKit.build/Debug-iphoneos/XCBuildKit.build/Objects-normal/arm64/XCBuildKit_const_extract_protocols.json -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -working-directory -Xcc /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -enable-anonymous-context-mangled-names -file-compilation-dir /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos26.4-23E237-688ef53f1462e2c8f657fdc38a81448fc1e9a37d8fcda5dee89abd67dc927a23.sdkstatcache -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildKit.build/Debug-iphoneos/XCBuildKit.build/swift-overrides.hmap -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/XCBuildKit.build/Debug-iphoneos/XCBuildKit.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildKit.build/Debug-iphoneos/XCBuildKit.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildKit.build/Debug-iphoneos/XCBuildKit.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name XCBuildKit -package-name spi_builder_workspace -frontend-parseable-output -disable-clang-spi -clang-target arm64-apple-ios26.4 -target-sdk-version 26.4 -target-sdk-name iphoneos26.4 -in-process-plugin-server-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -emit-module-doc-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildKit.build/Debug-iphoneos/XCBuildKit.build/Objects-normal/arm64/XCBuildKit.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildKit.build/Debug-iphoneos/XCBuildKit.build/Objects-normal/arm64/XCBuildKit.swiftsourceinfo -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildKit.build/Debug-iphoneos/XCBuildKit.build/Objects-normal/arm64/XCBuildKit-Swift.h -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildKit.build/Debug-iphoneos/XCBuildKit.build/Objects-normal/arm64/XCBuildKit-primary-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildKit.build/Debug-iphoneos/XCBuildKit.build/Objects-normal/arm64/XCBuildKit-primary-emit-module.d -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildKit.build/Debug-iphoneos/XCBuildKit.build/Objects-normal/arm64/XCBuildKit.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildKit.build/Debug-iphoneos/XCBuildKit.build/Objects-normal/arm64/XCBuildKit.abi.json
EmitSwiftModule normal arm64 (in target 'XCBuildKit' from project 'XCBuildKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuter.swift:67:10: error: 'AsyncThrowingStream' is only available in iOS 13.0 or newer
    ) -> AsyncThrowingStream<ShellOutput, Error> {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuter.swift:63:17: note: add '@available' attribute to enclosing instance method
    public func execute(
                ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuter.swift:41:20: note: add '@available' attribute to enclosing class
public final class ShellCommandExecuter: Sendable, ShellCommandExecuting {
                   ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuter.swift:171:55: error: concurrency is only available in iOS 13.0.0 or newer
    private func resolveExecutable(_ command: String) async throws -> URL {
                                                      ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuter.swift:171:18: note: add '@available' attribute to enclosing instance method
    private func resolveExecutable(_ command: String) async throws -> URL {
                 ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuter.swift:41:20: note: add '@available' attribute to enclosing class
public final class ShellCommandExecuter: Sendable, ShellCommandExecuting {
                   ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuter.swift:213:10: error: 'AsyncThrowingStream' is only available in iOS 13.0 or newer
    ) -> AsyncThrowingStream<ShellOutput, Error> {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuter.swift:209:17: note: add '@available' attribute to enclosing static method
    static func execute(
                ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuter.swift:197:8: note: add '@available' attribute to enclosing extension
public extension ShellCommandExecuter {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuter.swift:234:15: error: concurrency is only available in iOS 13.0.0 or newer
private actor ProcessController {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuter.swift:234:15: note: add '@available' attribute to enclosing actor
private actor ProcessController {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuter.swift:235:26: error: cannot find type 'Process' in scope
    private var process: Process?
                         ^~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuter.swift:243:10: error: cannot find type 'Process' in scope
    ) -> Process {
         ^~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuter.swift:255:37: error: concurrency is only available in iOS 13.0.0 or newer
    func appendStderr(_ data: Data) async {
                                    ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuter.swift:255:10: note: add '@available' attribute to enclosing instance method
    func appendStderr(_ data: Data) async {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuter.swift:234:15: note: add '@available' attribute to enclosing actor
private actor ProcessController {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuter.swift:259:22: error: concurrency is only available in iOS 13.0.0 or newer
    func getStderr() async -> Data {
                     ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuter.swift:259:10: note: add '@available' attribute to enclosing instance method
    func getStderr() async -> Data {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuter.swift:234:15: note: add '@available' attribute to enclosing actor
private actor ProcessController {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuter.swift:268:15: error: concurrency is only available in iOS 13.0.0 or newer
private actor OutputCollector {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuter.swift:268:15: note: add '@available' attribute to enclosing actor
private actor OutputCollector {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuter.swift:280:15: error: concurrency is only available in iOS 13.0.0 or newer
private actor SendableContinuation<T: Sendable> {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuter.swift:280:15: note: add '@available' attribute to enclosing generic actor
private actor SendableContinuation<T: Sendable> {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuter.swift:281:31: error: 'AsyncThrowingStream' is only available in iOS 13.0 or newer
    private let continuation: AsyncThrowingStream<T, Error>.Continuation
                              ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuter.swift:280:15: note: add '@available' attribute to enclosing generic actor
private actor SendableContinuation<T: Sendable> {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuter.swift:283:26: error: 'AsyncThrowingStream' is only available in iOS 13.0 or newer
    init(_ continuation: AsyncThrowingStream<T, Error>.Continuation) {
                         ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuter.swift:283:5: note: add '@available' attribute to enclosing initializer
    init(_ continuation: AsyncThrowingStream<T, Error>.Continuation) {
    ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuter.swift:280:15: note: add '@available' attribute to enclosing generic actor
private actor SendableContinuation<T: Sendable> {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuter.swift:327:53: error: concurrency is only available in iOS 13.0.0 or newer
    func collectOutput(includeStderr: Bool = false) async throws -> String {
                                                    ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuter.swift:327:10: note: add '@available' attribute to enclosing instance method
    func collectOutput(includeStderr: Bool = false) async throws -> String {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuter.swift:304:8: note: add '@available' attribute to enclosing extension
public extension AsyncThrowingStream where Element == ShellOutput {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuter.swift:304:18: error: 'AsyncThrowingStream' is only available in iOS 13.0 or newer
public extension AsyncThrowingStream where Element == ShellOutput {
                 ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuter.swift:304:8: note: add '@available' attribute to enclosing extension
public extension AsyncThrowingStream where Element == ShellOutput {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuting.swift:45:10: error: 'AsyncThrowingStream' is only available in iOS 13.0 or newer
    ) -> AsyncThrowingStream<ShellOutput, Error>
         ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuting.swift:41:10: note: add '@available' attribute to enclosing instance method
    func execute(
         ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuting.swift:25:17: note: add '@available' attribute to enclosing protocol
public protocol ShellCommandExecuting: Sendable {
                ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuting.swift:54:10: error: 'AsyncThrowingStream' is only available in iOS 13.0 or newer
    ) -> AsyncThrowingStream<ShellOutput, Error> {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuting.swift:50:10: note: add '@available' attribute to enclosing instance method
    func execute(
         ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuting.swift:49:8: note: add '@available' attribute to enclosing extension
public extension ShellCommandExecuting {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/XcodeBuild.swift:10:7: error: concurrency is only available in iOS 13.0.0 or newer
actor TaskController {
      ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/XcodeBuild.swift:10:7: note: add '@available' attribute to enclosing actor
actor TaskController {
      ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/XcodeBuild.swift:11:23: error: 'Task' is only available in iOS 13.0 or newer
    private var task: Task<Void, Error>?
                      ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/XcodeBuild.swift:10:7: note: add '@available' attribute to enclosing actor
actor TaskController {
      ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/XcodeBuild.swift:117:84: error: 'AsyncStream' is only available in iOS 13.0 or newer
    public func execute(_ action: XcodeBuildAction, options: XcodeBuildOptions) -> AsyncStream<BuildState> {
                                                                                   ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/XcodeBuild.swift:117:17: note: add '@available' attribute to enclosing instance method
    public func execute(_ action: XcodeBuildAction, options: XcodeBuildOptions) -> AsyncStream<BuildState> {
                ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/XcodeBuild.swift:50:20: note: add '@available' attribute to enclosing class
public final class XcodeBuild: Sendable, XcodeBuilding {
                   ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/XcodeBuild.swift:186:19: error: 'AsyncThrowingStream' is only available in iOS 13.0 or newer
        _ output: AsyncThrowingStream<ShellOutput, Error>,
                  ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/XcodeBuild.swift:185:18: note: add '@available' attribute to enclosing instance method
    private func processOutput(
                 ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/XcodeBuild.swift:50:20: note: add '@available' attribute to enclosing class
public final class XcodeBuild: Sendable, XcodeBuilding {
                   ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/XcodeBuild.swift:187:23: error: 'AsyncStream' is only available in iOS 13.0 or newer
        continuation: AsyncStream<BuildState>.Continuation
                      ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/XcodeBuild.swift:185:18: note: add '@available' attribute to enclosing instance method
    private func processOutput(
                 ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/XcodeBuild.swift:50:20: note: add '@available' attribute to enclosing class
public final class XcodeBuild: Sendable, XcodeBuilding {
                   ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/XcodeBuild.swift:188:7: error: concurrency is only available in iOS 13.0.0 or newer
    ) async throws {
      ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/XcodeBuild.swift:185:18: note: add '@available' attribute to enclosing instance method
    private func processOutput(
                 ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/XcodeBuild.swift:50:20: note: add '@available' attribute to enclosing class
public final class XcodeBuild: Sendable, XcodeBuilding {
                   ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/XcodeBuild.swift:217:60: error: 'AsyncStream' is only available in iOS 13.0 or newer
    private func handleError(_ error: Error, continuation: AsyncStream<BuildState>.Continuation) {
                                                           ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/XcodeBuild.swift:217:18: note: add '@available' attribute to enclosing instance method
    private func handleError(_ error: Error, continuation: AsyncStream<BuildState>.Continuation) {
                 ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/XcodeBuild.swift:50:20: note: add '@available' attribute to enclosing class
public final class XcodeBuild: Sendable, XcodeBuilding {
                   ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/XcodeBuilding.swift:48:77: error: 'AsyncStream' is only available in iOS 13.0 or newer
    func execute(_ action: XcodeBuildAction, options: XcodeBuildOptions) -> AsyncStream<BuildState>
                                                                            ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/XcodeBuilding.swift:48:10: note: add '@available' attribute to enclosing instance method
    func execute(_ action: XcodeBuildAction, options: XcodeBuildOptions) -> AsyncStream<BuildState>
         ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/XcodeBuilding.swift:33:17: note: add '@available' attribute to enclosing protocol
public protocol XcodeBuilding: Sendable {
                ^
SwiftCompile normal arm64 Compiling\ BuildState.swift /Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/BuildState.swift (in target 'XCBuildKit' from project 'XCBuildKit')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/BuildState.swift (in target 'XCBuildKit' from project 'XCBuildKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ ShellCommandExecuter.swift,\ ShellCommandExecuting.swift /Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuter.swift /Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuting.swift (in target 'XCBuildKit' from project 'XCBuildKit')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuter.swift (in target 'XCBuildKit' from project 'XCBuildKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuting.swift (in target 'XCBuildKit' from project 'XCBuildKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ ShellError.swift /Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellError.swift (in target 'XCBuildKit' from project 'XCBuildKit')
2026-04-21 14:00:17.596 xcodebuild[894:5425] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
** BUILD FAILED **
The following build commands failed:
	SwiftEmitModule normal arm64 Emitting\ module\ for\ XCBuildKit (in target 'XCBuildKit' from project 'XCBuildKit')
	EmitSwiftModule normal arm64 (in target 'XCBuildKit' from project 'XCBuildKit')
	Building workspace spi-builder-workspace with scheme XCBuildKit
(3 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:
  SwiftDocCPlugin: https://github.com/apple/swift-docc-plugin @ 1.4.6
  XCBuildKit: /Users/admin/builder/spi-builder-workspace
  SymbolKit: https://github.com/swiftlang/swift-docc-symbolkit @ 1.0.0
resolved source packages: SwiftDocCPlugin, XCBuildKit, SymbolKit
2026-04-21 14:00:34.256 xcodebuild[1075:6459] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
  "dependencies" : [
    {
      "identity" : "swift-docc-plugin",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.0.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-docc-plugin"
    }
  ],
  "manifest_display_name" : "XCBuildKit",
  "name" : "XCBuildKit",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "13.0"
    }
  ],
  "products" : [
    {
      "name" : "XCBuildKit",
      "targets" : [
        "XCBuildKit"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "XCBuildKitTests",
      "module_type" : "SwiftTarget",
      "name" : "XCBuildKitTests",
      "path" : "Tests/XCBuildKitTests",
      "sources" : [
        "Shell/ShellCommandExecuterTests.swift",
        "XCBuild/XcodeBuildTests.swift"
      ],
      "target_dependencies" : [
        "XCBuildKit"
      ],
      "type" : "test"
    },
    {
      "c99name" : "XCBuildKit",
      "module_type" : "SwiftTarget",
      "name" : "XCBuildKit",
      "path" : "Sources/XCBuildKit",
      "product_memberships" : [
        "XCBuildKit"
      ],
      "sources" : [
        "Shell/ShellCommandExecuter.swift",
        "Shell/ShellCommandExecuting.swift",
        "Shell/ShellError.swift",
        "Shell/ShellOutput.swift",
        "XCBuild/BuildConfigurationValidator.swift",
        "XCBuild/BuildLogFormattable.swift",
        "XCBuild/BuildState.swift",
        "XCBuild/XcodeBuild.swift",
        "XCBuild/XcodeBuildAction.swift",
        "XCBuild/XcodeBuildOptions.swift",
        "XCBuild/XcodeBuilding.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.0"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "XCBuildKit"
    ]
  }
}
2026-04-21 14:00:41.221 xcodebuild[1141:6889] [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 XCBuildKit -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 XCBuildKit -destination generic/platform=iOS
Resolve Package Graph
Resolved source packages:
  SwiftDocCPlugin: https://github.com/apple/swift-docc-plugin @ 1.4.6
  SymbolKit: https://github.com/swiftlang/swift-docc-symbolkit @ 1.0.0
  XCBuildKit: /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 'XCBuildKit' in project 'XCBuildKit'
        ➜ Explicit dependency on target 'XCBuildKit' in project 'XCBuildKit'
    Target 'XCBuildKit' in project 'XCBuildKit' (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 XCBuildKit normal arm64 com.apple.xcode.tools.swift.compiler (in target 'XCBuildKit' from project 'XCBuildKit')
    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 XCBuildKit -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildKit.build/Debug-iphoneos/XCBuildKit.build/Objects-normal/arm64/XCBuildKit.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/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 -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-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 -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/XCBuildKit.build/Debug-iphoneos/XCBuildKit.build/Objects-normal/arm64/XCBuildKit-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/XCBuildKit.build/Debug-iphoneos/XCBuildKit.build/Objects-normal/arm64/XCBuildKit.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/XCBuildKit.build/Debug-iphoneos/XCBuildKit.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildKit.build/Debug-iphoneos/XCBuildKit.build/Objects-normal/arm64/XCBuildKit_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/XCBuildKit.build/Debug-iphoneos/XCBuildKit.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildKit.build/Debug-iphoneos/XCBuildKit.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildKit.build/Debug-iphoneos/XCBuildKit.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/XCBuildKit.build/Debug-iphoneos/XCBuildKit.build/Objects-normal/arm64/XCBuildKit-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftCompile normal arm64 Compiling\ ShellOutput.swift /Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellOutput.swift (in target 'XCBuildKit' from project 'XCBuildKit')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellOutput.swift (in target 'XCBuildKit' from project 'XCBuildKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ BuildState.swift /Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/BuildState.swift (in target 'XCBuildKit' from project 'XCBuildKit')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/BuildState.swift (in target 'XCBuildKit' from project 'XCBuildKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ BuildLogFormattable.swift /Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/BuildLogFormattable.swift (in target 'XCBuildKit' from project 'XCBuildKit')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/BuildLogFormattable.swift (in target 'XCBuildKit' from project 'XCBuildKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ ShellError.swift /Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellError.swift (in target 'XCBuildKit' from project 'XCBuildKit')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellError.swift (in target 'XCBuildKit' from project 'XCBuildKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ ShellCommandExecuter.swift,\ ShellCommandExecuting.swift /Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuter.swift /Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuting.swift (in target 'XCBuildKit' from project 'XCBuildKit')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuter.swift (in target 'XCBuildKit' from project 'XCBuildKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuting.swift (in target 'XCBuildKit' from project 'XCBuildKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ BuildConfigurationValidator.swift /Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/BuildConfigurationValidator.swift (in target 'XCBuildKit' from project 'XCBuildKit')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/BuildConfigurationValidator.swift (in target 'XCBuildKit' from project 'XCBuildKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ XcodeBuild.swift /Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/XcodeBuild.swift (in target 'XCBuildKit' from project 'XCBuildKit')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/XcodeBuild.swift (in target 'XCBuildKit' from project 'XCBuildKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ XcodeBuildAction.swift /Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/XcodeBuildAction.swift (in target 'XCBuildKit' from project 'XCBuildKit')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/XcodeBuildAction.swift (in target 'XCBuildKit' from project 'XCBuildKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftEmitModule normal arm64 Emitting\ module\ for\ XCBuildKit (in target 'XCBuildKit' from project 'XCBuildKit')
Failed frontend command:
/Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuter.swift /Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuting.swift /Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellError.swift /Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellOutput.swift /Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/BuildConfigurationValidator.swift /Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/BuildLogFormattable.swift /Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/BuildState.swift /Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/XcodeBuild.swift /Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/XcodeBuildAction.swift /Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/XcodeBuildOptions.swift /Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/XcodeBuilding.swift -target arm64-apple-ios12.0 -load-resolved-plugin /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib/swift/host/plugins/libFoundationMacros.dylib\#/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/swift-plugin-server\#FoundationMacros -load-resolved-plugin /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib/swift/host/plugins/libObservationMacros.dylib\#/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/swift-plugin-server\#ObservationMacros -load-resolved-plugin /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib/swift/host/plugins/libSwiftMacros.dylib\#/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/swift-plugin-server\#SwiftMacros -disable-implicit-swift-modules -Xcc -fno-implicit-modules -Xcc -fno-implicit-module-maps -explicit-swift-module-map-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildKit.build/Debug-iphoneos/XCBuildKit.build/Objects-normal/arm64/XCBuildKit-dependencies-1.json -Xllvm -aarch64-use-tbi -enable-objc-interop -sdk /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.4.sdk -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 -no-color-diagnostics -Xcc -fno-color-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules -profile-generate -profile-coverage-mapping -swift-version 6 -Onone -D SWIFT_PACKAGE -D DEBUG -D SWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -D Xcode -serialize-debugging-options -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildKit.build/Debug-iphoneos/XCBuildKit.build/Objects-normal/arm64/XCBuildKit_const_extract_protocols.json -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -working-directory -Xcc /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -enable-anonymous-context-mangled-names -file-compilation-dir /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos26.4-23E237-688ef53f1462e2c8f657fdc38a81448fc1e9a37d8fcda5dee89abd67dc927a23.sdkstatcache -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildKit.build/Debug-iphoneos/XCBuildKit.build/swift-overrides.hmap -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/XCBuildKit.build/Debug-iphoneos/XCBuildKit.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildKit.build/Debug-iphoneos/XCBuildKit.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildKit.build/Debug-iphoneos/XCBuildKit.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name XCBuildKit -package-name spi_builder_workspace -frontend-parseable-output -disable-clang-spi -clang-target arm64-apple-ios26.4 -target-sdk-version 26.4 -target-sdk-name iphoneos26.4 -in-process-plugin-server-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -emit-module-doc-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildKit.build/Debug-iphoneos/XCBuildKit.build/Objects-normal/arm64/XCBuildKit.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildKit.build/Debug-iphoneos/XCBuildKit.build/Objects-normal/arm64/XCBuildKit.swiftsourceinfo -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildKit.build/Debug-iphoneos/XCBuildKit.build/Objects-normal/arm64/XCBuildKit-Swift.h -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildKit.build/Debug-iphoneos/XCBuildKit.build/Objects-normal/arm64/XCBuildKit-primary-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildKit.build/Debug-iphoneos/XCBuildKit.build/Objects-normal/arm64/XCBuildKit-primary-emit-module.d -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildKit.build/Debug-iphoneos/XCBuildKit.build/Objects-normal/arm64/XCBuildKit.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildKit.build/Debug-iphoneos/XCBuildKit.build/Objects-normal/arm64/XCBuildKit.abi.json
EmitSwiftModule normal arm64 (in target 'XCBuildKit' from project 'XCBuildKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuter.swift:67:10: error: 'AsyncThrowingStream' is only available in iOS 13.0 or newer
    ) -> AsyncThrowingStream<ShellOutput, Error> {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuter.swift:63:17: note: add '@available' attribute to enclosing instance method
    public func execute(
                ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuter.swift:41:20: note: add '@available' attribute to enclosing class
public final class ShellCommandExecuter: Sendable, ShellCommandExecuting {
                   ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuter.swift:171:55: error: concurrency is only available in iOS 13.0.0 or newer
    private func resolveExecutable(_ command: String) async throws -> URL {
                                                      ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuter.swift:171:18: note: add '@available' attribute to enclosing instance method
    private func resolveExecutable(_ command: String) async throws -> URL {
                 ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuter.swift:41:20: note: add '@available' attribute to enclosing class
public final class ShellCommandExecuter: Sendable, ShellCommandExecuting {
                   ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuter.swift:213:10: error: 'AsyncThrowingStream' is only available in iOS 13.0 or newer
    ) -> AsyncThrowingStream<ShellOutput, Error> {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuter.swift:209:17: note: add '@available' attribute to enclosing static method
    static func execute(
                ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuter.swift:197:8: note: add '@available' attribute to enclosing extension
public extension ShellCommandExecuter {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuter.swift:234:15: error: concurrency is only available in iOS 13.0.0 or newer
private actor ProcessController {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuter.swift:234:15: note: add '@available' attribute to enclosing actor
private actor ProcessController {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuter.swift:235:26: error: cannot find type 'Process' in scope
    private var process: Process?
                         ^~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuter.swift:243:10: error: cannot find type 'Process' in scope
    ) -> Process {
         ^~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuter.swift:255:37: error: concurrency is only available in iOS 13.0.0 or newer
    func appendStderr(_ data: Data) async {
                                    ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuter.swift:255:10: note: add '@available' attribute to enclosing instance method
    func appendStderr(_ data: Data) async {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuter.swift:234:15: note: add '@available' attribute to enclosing actor
private actor ProcessController {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuter.swift:259:22: error: concurrency is only available in iOS 13.0.0 or newer
    func getStderr() async -> Data {
                     ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuter.swift:259:10: note: add '@available' attribute to enclosing instance method
    func getStderr() async -> Data {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuter.swift:234:15: note: add '@available' attribute to enclosing actor
private actor ProcessController {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuter.swift:268:15: error: concurrency is only available in iOS 13.0.0 or newer
private actor OutputCollector {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuter.swift:268:15: note: add '@available' attribute to enclosing actor
private actor OutputCollector {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuter.swift:280:15: error: concurrency is only available in iOS 13.0.0 or newer
private actor SendableContinuation<T: Sendable> {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuter.swift:280:15: note: add '@available' attribute to enclosing generic actor
private actor SendableContinuation<T: Sendable> {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuter.swift:281:31: error: 'AsyncThrowingStream' is only available in iOS 13.0 or newer
    private let continuation: AsyncThrowingStream<T, Error>.Continuation
                              ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuter.swift:280:15: note: add '@available' attribute to enclosing generic actor
private actor SendableContinuation<T: Sendable> {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuter.swift:283:26: error: 'AsyncThrowingStream' is only available in iOS 13.0 or newer
    init(_ continuation: AsyncThrowingStream<T, Error>.Continuation) {
                         ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuter.swift:283:5: note: add '@available' attribute to enclosing initializer
    init(_ continuation: AsyncThrowingStream<T, Error>.Continuation) {
    ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuter.swift:280:15: note: add '@available' attribute to enclosing generic actor
private actor SendableContinuation<T: Sendable> {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuter.swift:327:53: error: concurrency is only available in iOS 13.0.0 or newer
    func collectOutput(includeStderr: Bool = false) async throws -> String {
                                                    ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuter.swift:327:10: note: add '@available' attribute to enclosing instance method
    func collectOutput(includeStderr: Bool = false) async throws -> String {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuter.swift:304:8: note: add '@available' attribute to enclosing extension
public extension AsyncThrowingStream where Element == ShellOutput {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuter.swift:304:18: error: 'AsyncThrowingStream' is only available in iOS 13.0 or newer
public extension AsyncThrowingStream where Element == ShellOutput {
                 ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuter.swift:304:8: note: add '@available' attribute to enclosing extension
public extension AsyncThrowingStream where Element == ShellOutput {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuting.swift:45:10: error: 'AsyncThrowingStream' is only available in iOS 13.0 or newer
    ) -> AsyncThrowingStream<ShellOutput, Error>
         ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuting.swift:41:10: note: add '@available' attribute to enclosing instance method
    func execute(
         ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuting.swift:25:17: note: add '@available' attribute to enclosing protocol
public protocol ShellCommandExecuting: Sendable {
                ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuting.swift:54:10: error: 'AsyncThrowingStream' is only available in iOS 13.0 or newer
    ) -> AsyncThrowingStream<ShellOutput, Error> {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuting.swift:50:10: note: add '@available' attribute to enclosing instance method
    func execute(
         ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuting.swift:49:8: note: add '@available' attribute to enclosing extension
public extension ShellCommandExecuting {
       ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/XcodeBuild.swift:10:7: error: concurrency is only available in iOS 13.0.0 or newer
actor TaskController {
      ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/XcodeBuild.swift:10:7: note: add '@available' attribute to enclosing actor
actor TaskController {
      ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/XcodeBuild.swift:11:23: error: 'Task' is only available in iOS 13.0 or newer
    private var task: Task<Void, Error>?
                      ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/XcodeBuild.swift:10:7: note: add '@available' attribute to enclosing actor
actor TaskController {
      ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/XcodeBuild.swift:117:84: error: 'AsyncStream' is only available in iOS 13.0 or newer
    public func execute(_ action: XcodeBuildAction, options: XcodeBuildOptions) -> AsyncStream<BuildState> {
                                                                                   ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/XcodeBuild.swift:117:17: note: add '@available' attribute to enclosing instance method
    public func execute(_ action: XcodeBuildAction, options: XcodeBuildOptions) -> AsyncStream<BuildState> {
                ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/XcodeBuild.swift:50:20: note: add '@available' attribute to enclosing class
public final class XcodeBuild: Sendable, XcodeBuilding {
                   ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/XcodeBuild.swift:186:19: error: 'AsyncThrowingStream' is only available in iOS 13.0 or newer
        _ output: AsyncThrowingStream<ShellOutput, Error>,
                  ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/XcodeBuild.swift:185:18: note: add '@available' attribute to enclosing instance method
    private func processOutput(
                 ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/XcodeBuild.swift:50:20: note: add '@available' attribute to enclosing class
public final class XcodeBuild: Sendable, XcodeBuilding {
                   ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/XcodeBuild.swift:187:23: error: 'AsyncStream' is only available in iOS 13.0 or newer
        continuation: AsyncStream<BuildState>.Continuation
                      ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/XcodeBuild.swift:185:18: note: add '@available' attribute to enclosing instance method
    private func processOutput(
                 ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/XcodeBuild.swift:50:20: note: add '@available' attribute to enclosing class
public final class XcodeBuild: Sendable, XcodeBuilding {
                   ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/XcodeBuild.swift:188:7: error: concurrency is only available in iOS 13.0.0 or newer
    ) async throws {
      ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/XcodeBuild.swift:185:18: note: add '@available' attribute to enclosing instance method
    private func processOutput(
                 ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/XcodeBuild.swift:50:20: note: add '@available' attribute to enclosing class
public final class XcodeBuild: Sendable, XcodeBuilding {
                   ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/XcodeBuild.swift:217:60: error: 'AsyncStream' is only available in iOS 13.0 or newer
    private func handleError(_ error: Error, continuation: AsyncStream<BuildState>.Continuation) {
                                                           ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/XcodeBuild.swift:217:18: note: add '@available' attribute to enclosing instance method
    private func handleError(_ error: Error, continuation: AsyncStream<BuildState>.Continuation) {
                 ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/XcodeBuild.swift:50:20: note: add '@available' attribute to enclosing class
public final class XcodeBuild: Sendable, XcodeBuilding {
                   ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/XcodeBuilding.swift:48:77: error: 'AsyncStream' is only available in iOS 13.0 or newer
    func execute(_ action: XcodeBuildAction, options: XcodeBuildOptions) -> AsyncStream<BuildState>
                                                                            ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/XcodeBuilding.swift:48:10: note: add '@available' attribute to enclosing instance method
    func execute(_ action: XcodeBuildAction, options: XcodeBuildOptions) -> AsyncStream<BuildState>
         ^
/Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/XcodeBuilding.swift:33:17: note: add '@available' attribute to enclosing protocol
public protocol XcodeBuilding: Sendable {
                ^
SwiftCompile normal arm64 Compiling\ XcodeBuilding.swift /Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/XcodeBuilding.swift (in target 'XCBuildKit' from project 'XCBuildKit')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/XcodeBuilding.swift (in target 'XCBuildKit' from project 'XCBuildKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ XcodeBuildOptions.swift /Users/admin/builder/spi-builder-workspace/Sources/XCBuildKit/XCBuild/XcodeBuildOptions.swift (in target 'XCBuildKit' from project 'XCBuildKit')
2026-04-21 14:00:48.073 xcodebuild[1200:7268] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
** BUILD FAILED **
The following build commands failed:
	SwiftEmitModule normal arm64 Emitting\ module\ for\ XCBuildKit (in target 'XCBuildKit' from project 'XCBuildKit')
	EmitSwiftModule normal arm64 (in target 'XCBuildKit' from project 'XCBuildKit')
	Building workspace spi-builder-workspace with scheme XCBuildKit
(3 failures)
BUILD FAILURE 6.3 iOS