ConcurrencyRecipes – Build Information

Build Information

Failed to build ConcurrencyRecipes, reference main (dd373e), with Swift 6.3 for tvOS using Xcode 26.4 on 4 Sep 2026 12:25:01 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-26.5.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme ConcurrencyRecipes-Package -destination generic/platform=tvOS

Build Log

========================================
RunAll
========================================
Builder version: 5.0.2
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/dimasusername/ConcurrencyRecipes.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/dimasusername/ConcurrencyRecipes
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at dd373eb Update links
Cloned https://github.com/dimasusername/ConcurrencyRecipes.git
Revision (git rev-parse @):
dd373eb786e35593fef2494e69646d6aeb133c7a
SUCCESS checkout https://github.com/dimasusername/ConcurrencyRecipes.git at main
========================================
Build
========================================
Selected platform:         tvOS
Swift version:             6.3
Building package at path:  $PWD
https://github.com/dimasusername/ConcurrencyRecipes.git
Command line invocation:
    /Applications/Xcode-26.5.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Resolve Package Graph
Resolved source packages:
  ConcurrencyRecipes: /Users/admin/builder/spi-builder-workspace
resolved source packages: ConcurrencyRecipes
2026-09-04 08:24:44.701 xcodebuild[541:3135] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "ConcurrencyRecipes",
  "name" : "ConcurrencyRecipes",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
  ],
  "targets" : [
    {
      "c99name" : "PreconcurrencyLib",
      "module_type" : "SwiftTarget",
      "name" : "PreconcurrencyLib",
      "path" : "Sources/PreconcurrencyLib",
      "sources" : [
        "PreconcurrencyStuff.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "ConcurrencyRecipesTests",
      "module_type" : "SwiftTarget",
      "name" : "ConcurrencyRecipesTests",
      "path" : "Tests/ConcurrencyRecipesTests",
      "sources" : [
        "PreconcurrencyLibTests.swift"
      ],
      "target_dependencies" : [
        "PreconcurrencyLib"
      ],
      "type" : "test"
    }
  ],
  "tools_version" : "5.10"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "ConcurrencyRecipes-Package"
    ]
  }
}
2026-09-04 08:24:52.319 xcodebuild[658:3995] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.5.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme ConcurrencyRecipes-Package -destination generic/platform=tvOS
Command line invocation:
    /Applications/Xcode-26.5.0.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 ConcurrencyRecipes-Package -destination generic/platform=tvOS
Resolve Package Graph
Resolved source packages:
  ConcurrencyRecipes: /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 'PreconcurrencyLib' in project 'ConcurrencyRecipes' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-26.5.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-26.5.0.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS26.5.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.5.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-26.5.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: 2c17c7d8b02412f5e37998c29c9f7296
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/2c17c7d8b02412f5e37998c29c9f7296.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
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
ClangStatCache /Applications/Xcode-26.5.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-26.5.0.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS26.5.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/appletvos26.5-23L470-688ef53f1462e2c8f657fdc38a81448fa2efe9286588b677106490127979b81c.sdkstatcache
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    /Applications/Xcode-26.5.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-26.5.0.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS26.5.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/appletvos26.5-23L470-688ef53f1462e2c8f657fdc38a81448fa2efe9286588b677106490127979b81c.sdkstatcache
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ExplicitPrecompiledModules
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ExplicitPrecompiledModules
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-appletvos
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-appletvos
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/EagerLinkingTBDs/Debug-appletvos
    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-appletvos
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-appletvos/PackageFrameworks
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-appletvos/PackageFrameworks
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ConcurrencyRecipes.build/Debug-appletvos/PreconcurrencyLib.build/PreconcurrencyLib.DependencyMetadataFileList (in target 'PreconcurrencyLib' from project 'ConcurrencyRecipes')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ConcurrencyRecipes.build/Debug-appletvos/PreconcurrencyLib.build/PreconcurrencyLib.DependencyMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ConcurrencyRecipes.build/Debug-appletvos/PreconcurrencyLib.build/PreconcurrencyLib.DependencyStaticMetadataFileList (in target 'PreconcurrencyLib' from project 'ConcurrencyRecipes')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ConcurrencyRecipes.build/Debug-appletvos/PreconcurrencyLib.build/PreconcurrencyLib.DependencyStaticMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ConcurrencyRecipes.build/Debug-appletvos/PreconcurrencyLib.build/PreconcurrencyLib.modulemap (in target 'PreconcurrencyLib' from project 'ConcurrencyRecipes')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ConcurrencyRecipes.build/Debug-appletvos/PreconcurrencyLib.build/PreconcurrencyLib.modulemap
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ConcurrencyRecipes.build/Debug-appletvos/PreconcurrencyLib.build/Objects-normal/arm64/PreconcurrencyLib.SwiftFileList (in target 'PreconcurrencyLib' from project 'ConcurrencyRecipes')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ConcurrencyRecipes.build/Debug-appletvos/PreconcurrencyLib.build/Objects-normal/arm64/PreconcurrencyLib.SwiftFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ConcurrencyRecipes.build/Debug-appletvos/PreconcurrencyLib.build/Objects-normal/arm64/PreconcurrencyLib.SwiftConstValuesFileList (in target 'PreconcurrencyLib' from project 'ConcurrencyRecipes')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ConcurrencyRecipes.build/Debug-appletvos/PreconcurrencyLib.build/Objects-normal/arm64/PreconcurrencyLib.SwiftConstValuesFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ConcurrencyRecipes.build/Debug-appletvos/PreconcurrencyLib.build/Objects-normal/arm64/PreconcurrencyLib-OutputFileMap.json (in target 'PreconcurrencyLib' from project 'ConcurrencyRecipes')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ConcurrencyRecipes.build/Debug-appletvos/PreconcurrencyLib.build/Objects-normal/arm64/PreconcurrencyLib-OutputFileMap.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ConcurrencyRecipes.build/Debug-appletvos/PreconcurrencyLib.build/Objects-normal/arm64/PreconcurrencyLib.LinkFileList (in target 'PreconcurrencyLib' from project 'ConcurrencyRecipes')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ConcurrencyRecipes.build/Debug-appletvos/PreconcurrencyLib.build/Objects-normal/arm64/PreconcurrencyLib.LinkFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ConcurrencyRecipes.build/Debug-appletvos/PreconcurrencyLib.build/Objects-normal/arm64/PreconcurrencyLib_const_extract_protocols.json (in target 'PreconcurrencyLib' from project 'ConcurrencyRecipes')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ConcurrencyRecipes.build/Debug-appletvos/PreconcurrencyLib.build/Objects-normal/arm64/PreconcurrencyLib_const_extract_protocols.json
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-appletvos/PreconcurrencyLib.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ConcurrencyRecipes.build/Debug-appletvos/PreconcurrencyLib.build/PreconcurrencyLib.modulemap (in target 'PreconcurrencyLib' from project 'ConcurrencyRecipes')
    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/ConcurrencyRecipes.build/Debug-appletvos/PreconcurrencyLib.build/PreconcurrencyLib.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-appletvos
SwiftDriver PreconcurrencyLib normal arm64 com.apple.xcode.tools.swift.compiler (in target 'PreconcurrencyLib' from project 'ConcurrencyRecipes')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftDriver -- /Applications/Xcode-26.5.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -module-name PreconcurrencyLib -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ConcurrencyRecipes.build/Debug-appletvos/PreconcurrencyLib.build/Objects-normal/arm64/PreconcurrencyLib.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -DXcode -plugin-path /Applications/Xcode-26.5.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-26.5.0.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS26.5.sdk -target arm64-apple-tvos12.0 -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 5 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-appletvos -Isystem /Applications/Xcode-26.5.0.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-appletvos -F /Applications/Xcode-26.5.0.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-26.5.0.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS26.5.sdk/Developer/Library/Frameworks -parse-as-library -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/appletvos26.5-23L470-688ef53f1462e2c8f657fdc38a81448fa2efe9286588b677106490127979b81c.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ConcurrencyRecipes.build/Debug-appletvos/PreconcurrencyLib.build/Objects-normal/arm64/PreconcurrencyLib-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/ConcurrencyRecipes.build/Debug-appletvos/PreconcurrencyLib.build/Objects-normal/arm64/PreconcurrencyLib.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/ConcurrencyRecipes.build/Debug-appletvos/PreconcurrencyLib.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ConcurrencyRecipes.build/Debug-appletvos/PreconcurrencyLib.build/Objects-normal/arm64/PreconcurrencyLib_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-appletvos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ConcurrencyRecipes.build/Debug-appletvos/PreconcurrencyLib.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ConcurrencyRecipes.build/Debug-appletvos/PreconcurrencyLib.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ConcurrencyRecipes.build/Debug-appletvos/PreconcurrencyLib.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/ConcurrencyRecipes.build/Debug-appletvos/PreconcurrencyLib.build/Objects-normal/arm64/PreconcurrencyLib-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-8UZFTWHVL2TGDGYLBJFWVYPOH.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_Builtin_stdbool-DWVRPTAIFI1CX6WNWY5BZE2FT.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/SwiftShims-18STCYL12F4JB5RVTGQO6ETOJ.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_Builtin_stddef-B4UEX6SEJJEND8DHEYSO0CUGX.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_SwiftConcurrencyShims-9JS6RM1I6A9W6N9EYFBXIXKLK.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_Builtin_stdarg-6067YQZN6C5I13WT07LZMJGVP.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/ptrauth-5YNAJYKCCJ926FE9JXUCMCAQC.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_Builtin_float-1EIEN66CDM8GDSVAEA6YT8HDH.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/ptrcheck-1VM7U4PF9UAS0NK31VOXKNA7I.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_DarwinFoundation1-7GPDWQ9S27B2IEDUN6YNV38W.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_DarwinFoundation2-3I13SN2QGSIO9PSGO9NVPAK2D.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_Builtin_limits-1HW405S42ISP0YEGVP14SJXD1.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_Builtin_stdint-2R3LZSR94RG6HL58RC52GREKO.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/sys_types-8PR2Z8SQRBNJ6D5H8N2PI8HWZ.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_DarwinFoundation3-10LRE0HIVAXXK3H8Z6TXW4XIP.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_Builtin_inttypes-7WH45DL0F6K83P0RNKE1ZNT50.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Darwin-E66HBQM81PO0AY6RPKOJDNR89.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/ObjectiveC-BEMACA9TCY24RS01LYRRAITZS.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/os_object-EJ03GGUEF6WMZ0QABXHW8QXVY.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/os_workgroup-3DGJCGO7Z9QCSBYGONW6Q5WXC.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Dispatch-2XFE4JZM2U2NIPPAND2Z9IMC6.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/XPC-7V5PBQZBV5WRC01MLLEBL94O3.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/CoreFoundation-B8NKE4FX5M0AYMU2WTJMXFPQQ.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Security-9T8D669PZRRJ7KUDSK1C9C3BD.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/CFNetwork-6BOSGM9SQ6N0GVFN53XZOXLXA.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Foundation-9NAGWTO1VYO4EX87A5VG00PX4.pcm
SwiftEmitModule normal arm64 Emitting\ module\ for\ PreconcurrencyLib (in target 'PreconcurrencyLib' from project 'ConcurrencyRecipes')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/PreconcurrencyLib/PreconcurrencyStuff.swift (in target 'PreconcurrencyLib' from project 'ConcurrencyRecipes')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

/Users/admin/builder/spi-builder-workspace/Sources/PreconcurrencyLib/PreconcurrencyStuff.swift:32:30: error: concurrency is only available in tvOS 13.0.0 or newer
        public func asyncFunction() async {
                                    ^
/Users/admin/builder/spi-builder-workspace/Sources/PreconcurrencyLib/PreconcurrencyStuff.swift:32:14: note: add '@available' attribute to enclosing instance method
        public func asyncFunction() async {
                    ^
/Users/admin/builder/spi-builder-workspace/Sources/PreconcurrencyLib/PreconcurrencyStuff.swift:22:14: note: add '@available' attribute to enclosing class
public class NonSendableClass {
             ^
Failed frontend command:
/Applications/Xcode-26.5.0.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/PreconcurrencyLib/PreconcurrencyStuff.swift -target arm64-apple-tvos12.0 -load-resolved-plugin /Applications/Xcode-26.5.0.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/usr/lib/swift/host/plugins/libFoundationMacros.dylib\#/Applications/Xcode-26.5.0.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/usr/bin/swift-plugin-server\#FoundationMacros -load-resolved-plugin /Applications/Xcode-26.5.0.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/usr/lib/swift/host/plugins/libObservationMacros.dylib\#/Applications/Xcode-26.5.0.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/usr/bin/swift-plugin-server\#ObservationMacros -load-resolved-plugin /Applications/Xcode-26.5.0.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/usr/lib/swift/host/plugins/libSwiftMacros.dylib\#/Applications/Xcode-26.5.0.app/Contents/Developer/Platforms/AppleTVOS.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/ConcurrencyRecipes.build/Debug-appletvos/PreconcurrencyLib.build/Objects-normal/arm64/PreconcurrencyLib-dependencies-1.json -Xllvm -aarch64-use-tbi -enable-objc-interop -sdk /Applications/Xcode-26.5.0.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS26.5.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-appletvos -Isystem /Applications/Xcode-26.5.0.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-appletvos -F /Applications/Xcode-26.5.0.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-26.5.0.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS26.5.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 5 -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/ConcurrencyRecipes.build/Debug-appletvos/PreconcurrencyLib.build/Objects-normal/arm64/PreconcurrencyLib_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/appletvos26.5-23L470-688ef53f1462e2c8f657fdc38a81448fa2efe9286588b677106490127979b81c.sdkstatcache -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ConcurrencyRecipes.build/Debug-appletvos/PreconcurrencyLib.build/swift-overrides.hmap -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-appletvos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ConcurrencyRecipes.build/Debug-appletvos/PreconcurrencyLib.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ConcurrencyRecipes.build/Debug-appletvos/PreconcurrencyLib.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ConcurrencyRecipes.build/Debug-appletvos/PreconcurrencyLib.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name PreconcurrencyLib -package-name spi_builder_workspace -frontend-parseable-output -disable-clang-spi -clang-target arm64-apple-tvos26.5 -target-sdk-version 26.5 -target-sdk-name appletvos26.5 -in-process-plugin-server-path /Applications/Xcode-26.5.0.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/ConcurrencyRecipes.build/Debug-appletvos/PreconcurrencyLib.build/Objects-normal/arm64/PreconcurrencyLib.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ConcurrencyRecipes.build/Debug-appletvos/PreconcurrencyLib.build/Objects-normal/arm64/PreconcurrencyLib.swiftsourceinfo -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ConcurrencyRecipes.build/Debug-appletvos/PreconcurrencyLib.build/Objects-normal/arm64/PreconcurrencyLib-Swift.h -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ConcurrencyRecipes.build/Debug-appletvos/PreconcurrencyLib.build/Objects-normal/arm64/PreconcurrencyLib-primary-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ConcurrencyRecipes.build/Debug-appletvos/PreconcurrencyLib.build/Objects-normal/arm64/PreconcurrencyLib-primary-emit-module.d -parse-as-library -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ConcurrencyRecipes.build/Debug-appletvos/PreconcurrencyLib.build/Objects-normal/arm64/PreconcurrencyLib.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ConcurrencyRecipes.build/Debug-appletvos/PreconcurrencyLib.build/Objects-normal/arm64/PreconcurrencyLib.abi.json
SwiftCompile normal arm64 Compiling\ PreconcurrencyStuff.swift /Users/admin/builder/spi-builder-workspace/Sources/PreconcurrencyLib/PreconcurrencyStuff.swift (in target 'PreconcurrencyLib' from project 'ConcurrencyRecipes')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/PreconcurrencyLib/PreconcurrencyStuff.swift (in target 'PreconcurrencyLib' from project 'ConcurrencyRecipes')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

2026-09-04 08:24:53.711 xcodebuild[665:4059] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
** BUILD FAILED **
The following build commands failed:
	SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/PreconcurrencyLib/PreconcurrencyStuff.swift (in target 'PreconcurrencyLib' from project 'ConcurrencyRecipes')
	SwiftEmitModule normal arm64 Emitting\ module\ for\ PreconcurrencyLib (in target 'PreconcurrencyLib' from project 'ConcurrencyRecipes')
	Building workspace spi-builder-workspace with scheme ConcurrencyRecipes-Package
(3 failures)
Command line invocation:
    /Applications/Xcode-26.5.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Resolved source packages:
  ConcurrencyRecipes: /Users/admin/builder/spi-builder-workspace
resolved source packages: ConcurrencyRecipes
2026-09-04 08:24:58.455 xcodebuild[710:4273] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "ConcurrencyRecipes",
  "name" : "ConcurrencyRecipes",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
  ],
  "targets" : [
    {
      "c99name" : "PreconcurrencyLib",
      "module_type" : "SwiftTarget",
      "name" : "PreconcurrencyLib",
      "path" : "Sources/PreconcurrencyLib",
      "sources" : [
        "PreconcurrencyStuff.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "ConcurrencyRecipesTests",
      "module_type" : "SwiftTarget",
      "name" : "ConcurrencyRecipesTests",
      "path" : "Tests/ConcurrencyRecipesTests",
      "sources" : [
        "PreconcurrencyLibTests.swift"
      ],
      "target_dependencies" : [
        "PreconcurrencyLib"
      ],
      "type" : "test"
    }
  ],
  "tools_version" : "5.10"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "ConcurrencyRecipes-Package"
    ]
  }
}
2026-09-04 08:24:59.559 xcodebuild[720:4345] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.5.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme ConcurrencyRecipes-Package -destination generic/platform=tvOS
Command line invocation:
    /Applications/Xcode-26.5.0.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 ConcurrencyRecipes-Package -destination generic/platform=tvOS
Resolve Package Graph
Resolved source packages:
  ConcurrencyRecipes: /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 'PreconcurrencyLib' in project 'ConcurrencyRecipes' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ClangStatCache /Applications/Xcode-26.5.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-26.5.0.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS26.5.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/appletvos26.5-23L470-688ef53f1462e2c8f657fdc38a81448fa2efe9286588b677106490127979b81c.sdkstatcache
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    /Applications/Xcode-26.5.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-26.5.0.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS26.5.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/appletvos26.5-23L470-688ef53f1462e2c8f657fdc38a81448fa2efe9286588b677106490127979b81c.sdkstatcache
SwiftDriver PreconcurrencyLib normal arm64 com.apple.xcode.tools.swift.compiler (in target 'PreconcurrencyLib' from project 'ConcurrencyRecipes')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftDriver -- /Applications/Xcode-26.5.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -module-name PreconcurrencyLib -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ConcurrencyRecipes.build/Debug-appletvos/PreconcurrencyLib.build/Objects-normal/arm64/PreconcurrencyLib.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -DXcode -plugin-path /Applications/Xcode-26.5.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-26.5.0.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS26.5.sdk -target arm64-apple-tvos12.0 -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 5 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-appletvos -Isystem /Applications/Xcode-26.5.0.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-appletvos -F /Applications/Xcode-26.5.0.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-26.5.0.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS26.5.sdk/Developer/Library/Frameworks -parse-as-library -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/appletvos26.5-23L470-688ef53f1462e2c8f657fdc38a81448fa2efe9286588b677106490127979b81c.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ConcurrencyRecipes.build/Debug-appletvos/PreconcurrencyLib.build/Objects-normal/arm64/PreconcurrencyLib-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/ConcurrencyRecipes.build/Debug-appletvos/PreconcurrencyLib.build/Objects-normal/arm64/PreconcurrencyLib.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/ConcurrencyRecipes.build/Debug-appletvos/PreconcurrencyLib.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ConcurrencyRecipes.build/Debug-appletvos/PreconcurrencyLib.build/Objects-normal/arm64/PreconcurrencyLib_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-appletvos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ConcurrencyRecipes.build/Debug-appletvos/PreconcurrencyLib.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ConcurrencyRecipes.build/Debug-appletvos/PreconcurrencyLib.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ConcurrencyRecipes.build/Debug-appletvos/PreconcurrencyLib.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/ConcurrencyRecipes.build/Debug-appletvos/PreconcurrencyLib.build/Objects-normal/arm64/PreconcurrencyLib-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftEmitModule normal arm64 Emitting\ module\ for\ PreconcurrencyLib (in target 'PreconcurrencyLib' from project 'ConcurrencyRecipes')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/PreconcurrencyLib/PreconcurrencyStuff.swift (in target 'PreconcurrencyLib' from project 'ConcurrencyRecipes')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

/Users/admin/builder/spi-builder-workspace/Sources/PreconcurrencyLib/PreconcurrencyStuff.swift:32:30: error: concurrency is only available in tvOS 13.0.0 or newer
        public func asyncFunction() async {
                                    ^
/Users/admin/builder/spi-builder-workspace/Sources/PreconcurrencyLib/PreconcurrencyStuff.swift:32:14: note: add '@available' attribute to enclosing instance method
        public func asyncFunction() async {
                    ^
/Users/admin/builder/spi-builder-workspace/Sources/PreconcurrencyLib/PreconcurrencyStuff.swift:22:14: note: add '@available' attribute to enclosing class
public class NonSendableClass {
             ^
Failed frontend command:
/Applications/Xcode-26.5.0.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/PreconcurrencyLib/PreconcurrencyStuff.swift -target arm64-apple-tvos12.0 -load-resolved-plugin /Applications/Xcode-26.5.0.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/usr/lib/swift/host/plugins/libFoundationMacros.dylib\#/Applications/Xcode-26.5.0.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/usr/bin/swift-plugin-server\#FoundationMacros -load-resolved-plugin /Applications/Xcode-26.5.0.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/usr/lib/swift/host/plugins/libObservationMacros.dylib\#/Applications/Xcode-26.5.0.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/usr/bin/swift-plugin-server\#ObservationMacros -load-resolved-plugin /Applications/Xcode-26.5.0.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/usr/lib/swift/host/plugins/libSwiftMacros.dylib\#/Applications/Xcode-26.5.0.app/Contents/Developer/Platforms/AppleTVOS.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/ConcurrencyRecipes.build/Debug-appletvos/PreconcurrencyLib.build/Objects-normal/arm64/PreconcurrencyLib-dependencies-1.json -Xllvm -aarch64-use-tbi -enable-objc-interop -sdk /Applications/Xcode-26.5.0.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS26.5.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-appletvos -Isystem /Applications/Xcode-26.5.0.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-appletvos -F /Applications/Xcode-26.5.0.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-26.5.0.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS26.5.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 5 -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/ConcurrencyRecipes.build/Debug-appletvos/PreconcurrencyLib.build/Objects-normal/arm64/PreconcurrencyLib_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/appletvos26.5-23L470-688ef53f1462e2c8f657fdc38a81448fa2efe9286588b677106490127979b81c.sdkstatcache -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ConcurrencyRecipes.build/Debug-appletvos/PreconcurrencyLib.build/swift-overrides.hmap -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-appletvos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ConcurrencyRecipes.build/Debug-appletvos/PreconcurrencyLib.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ConcurrencyRecipes.build/Debug-appletvos/PreconcurrencyLib.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ConcurrencyRecipes.build/Debug-appletvos/PreconcurrencyLib.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name PreconcurrencyLib -package-name spi_builder_workspace -frontend-parseable-output -disable-clang-spi -clang-target arm64-apple-tvos26.5 -target-sdk-version 26.5 -target-sdk-name appletvos26.5 -in-process-plugin-server-path /Applications/Xcode-26.5.0.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/ConcurrencyRecipes.build/Debug-appletvos/PreconcurrencyLib.build/Objects-normal/arm64/PreconcurrencyLib.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ConcurrencyRecipes.build/Debug-appletvos/PreconcurrencyLib.build/Objects-normal/arm64/PreconcurrencyLib.swiftsourceinfo -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ConcurrencyRecipes.build/Debug-appletvos/PreconcurrencyLib.build/Objects-normal/arm64/PreconcurrencyLib-Swift.h -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ConcurrencyRecipes.build/Debug-appletvos/PreconcurrencyLib.build/Objects-normal/arm64/PreconcurrencyLib-primary-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ConcurrencyRecipes.build/Debug-appletvos/PreconcurrencyLib.build/Objects-normal/arm64/PreconcurrencyLib-primary-emit-module.d -parse-as-library -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ConcurrencyRecipes.build/Debug-appletvos/PreconcurrencyLib.build/Objects-normal/arm64/PreconcurrencyLib.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ConcurrencyRecipes.build/Debug-appletvos/PreconcurrencyLib.build/Objects-normal/arm64/PreconcurrencyLib.abi.json
SwiftCompile normal arm64 Compiling\ PreconcurrencyStuff.swift /Users/admin/builder/spi-builder-workspace/Sources/PreconcurrencyLib/PreconcurrencyStuff.swift (in target 'PreconcurrencyLib' from project 'ConcurrencyRecipes')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/PreconcurrencyLib/PreconcurrencyStuff.swift (in target 'PreconcurrencyLib' from project 'ConcurrencyRecipes')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

2026-09-04 08:25:00.453 xcodebuild[724:4394] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
** BUILD FAILED **
The following build commands failed:
	SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/PreconcurrencyLib/PreconcurrencyStuff.swift (in target 'PreconcurrencyLib' from project 'ConcurrencyRecipes')
	SwiftEmitModule normal arm64 Emitting\ module\ for\ PreconcurrencyLib (in target 'PreconcurrencyLib' from project 'ConcurrencyRecipes')
	Building workspace spi-builder-workspace with scheme ConcurrencyRecipes-Package
(3 failures)
BUILD FAILURE 6.3 tvOS