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Build Information

Failed to build AsyncGuardKit, reference master (5cb33a), with Swift 6.1 for iOS using Xcode 16.3 on 30 Oct 2026 07:39:30 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme AsyncGuardKit -destination generic/platform=iOS

Build Log

========================================
RunAll
========================================
Builder version: 5.1.4
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/ANSCoder/AsyncGuardKit.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/ANSCoder/AsyncGuardKit
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 5cb33ab Modernize concurrency: Swift 6 mode, safety fixes, README rewrite (#1)
Cloned https://github.com/ANSCoder/AsyncGuardKit.git
Revision (git rev-parse @):
5cb33ab9c8b08c16eec460731200cc5a102853e0
SUCCESS checkout https://github.com/ANSCoder/AsyncGuardKit.git at master
========================================
Build
========================================
Selected platform:         iOS
Swift version:             6.1
Building package at path:  $PWD
https://github.com/ANSCoder/AsyncGuardKit.git
https://github.com/ANSCoder/AsyncGuardKit.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "AsyncGuardKit",
  "name" : "AsyncGuardKit",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "16.0"
    },
    {
      "name" : "macos",
      "version" : "13.0"
    },
    {
      "name" : "tvos",
      "version" : "16.0"
    },
    {
      "name" : "watchos",
      "version" : "9.0"
    }
  ],
  "products" : [
    {
      "name" : "AsyncGuardKit",
      "targets" : [
        "AsyncGuardKit"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "swift_languages_versions" : [
    "6"
  ],
  "targets" : [
    {
      "c99name" : "AsyncGuardKitTests",
      "module_type" : "SwiftTarget",
      "name" : "AsyncGuardKitTests",
      "path" : "Tests/AsyncGuardKitTests",
      "sources" : [
        "BenchmarkTests.swift",
        "DelayTests.swift",
        "ExecutionTests.swift",
        "IntegrationTests.swift",
        "RegressionTests.swift",
        "RetryTests.swift",
        "ScopeTests.swift",
        "SingleFlightTests.swift",
        "TestHelpers.swift"
      ],
      "target_dependencies" : [
        "AsyncGuardKit"
      ],
      "type" : "test"
    },
    {
      "c99name" : "AsyncGuardKit",
      "module_type" : "SwiftTarget",
      "name" : "AsyncGuardKit",
      "path" : "Sources/AsyncGuardKit",
      "product_memberships" : [
        "AsyncGuardKit"
      ],
      "sources" : [
        "Configuration/AsyncGuardConfiguration.swift",
        "Core/AsyncCancellable.swift",
        "Core/AsyncGuard.swift",
        "Core/AsyncTask.swift",
        "Diagnostics/Diagnostics.swift",
        "Execution/SingleFlightRegistry.swift",
        "Policies/Retry.swift",
        "Policies/SingleFlight.swift",
        "Scope/AsyncLifetime.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.0"
}
Command line invocation:
    /Applications/Xcode-16.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Resolve Package Graph
Resolved source packages:
  AsyncGuardKit: /Users/admin/builder/spi-builder-workspace
resolved source packages: AsyncGuardKit
{
  "dependencies" : [
  ],
  "manifest_display_name" : "AsyncGuardKit",
  "name" : "AsyncGuardKit",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "16.0"
    },
    {
      "name" : "macos",
      "version" : "13.0"
    },
    {
      "name" : "tvos",
      "version" : "16.0"
    },
    {
      "name" : "watchos",
      "version" : "9.0"
    }
  ],
  "products" : [
    {
      "name" : "AsyncGuardKit",
      "targets" : [
        "AsyncGuardKit"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "swift_languages_versions" : [
    "6"
  ],
  "targets" : [
    {
      "c99name" : "AsyncGuardKitTests",
      "module_type" : "SwiftTarget",
      "name" : "AsyncGuardKitTests",
      "path" : "Tests/AsyncGuardKitTests",
      "sources" : [
        "BenchmarkTests.swift",
        "DelayTests.swift",
        "ExecutionTests.swift",
        "IntegrationTests.swift",
        "RegressionTests.swift",
        "RetryTests.swift",
        "ScopeTests.swift",
        "SingleFlightTests.swift",
        "TestHelpers.swift"
      ],
      "target_dependencies" : [
        "AsyncGuardKit"
      ],
      "type" : "test"
    },
    {
      "c99name" : "AsyncGuardKit",
      "module_type" : "SwiftTarget",
      "name" : "AsyncGuardKit",
      "path" : "Sources/AsyncGuardKit",
      "product_memberships" : [
        "AsyncGuardKit"
      ],
      "sources" : [
        "Configuration/AsyncGuardConfiguration.swift",
        "Core/AsyncCancellable.swift",
        "Core/AsyncGuard.swift",
        "Core/AsyncTask.swift",
        "Diagnostics/Diagnostics.swift",
        "Execution/SingleFlightRegistry.swift",
        "Policies/Retry.swift",
        "Policies/SingleFlight.swift",
        "Scope/AsyncLifetime.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.0"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "AsyncGuardKit"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme AsyncGuardKit -destination generic/platform=iOS OTHER_SWIFT_FLAGS=-stats-output-dir .stats
Command line invocation:
    /Applications/Xcode-16.3.0.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 AsyncGuardKit -destination generic/platform=iOS "OTHER_SWIFT_FLAGS=-stats-output-dir .stats"
Build settings from command line:
    OTHER_SWIFT_FLAGS = -stats-output-dir .stats
Resolve Package Graph
Resolved source packages:
  AsyncGuardKit: /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 'AsyncGuardKit' in project 'AsyncGuardKit'
        ➜ Explicit dependency on target 'AsyncGuardKit' in project 'AsyncGuardKit'
    Target 'AsyncGuardKit' in project 'AsyncGuardKit' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS18.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: 31d8a6b81d646d9895e8cde4f413b961
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/31d8a6b81d646d9895e8cde4f413b961.xcbuilddata
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products
ClangStatCache /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS18.4.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos18.4-22E235-339d34bc69d7fc736c3220795c36f340.sdkstatcache
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS18.4.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos18.4-22E235-339d34bc69d7fc736c3220795c36f340.sdkstatcache
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/AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.build/Objects-normal/arm64/AsyncGuardKit.LinkFileList (in target 'AsyncGuardKit' from project 'AsyncGuardKit')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.build/Objects-normal/arm64/AsyncGuardKit.LinkFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.build/Objects-normal/arm64/AsyncGuardKit.SwiftConstValuesFileList (in target 'AsyncGuardKit' from project 'AsyncGuardKit')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.build/Objects-normal/arm64/AsyncGuardKit.SwiftConstValuesFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.build/Objects-normal/arm64/AsyncGuardKit.SwiftFileList (in target 'AsyncGuardKit' from project 'AsyncGuardKit')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.build/Objects-normal/arm64/AsyncGuardKit.SwiftFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.build/Objects-normal/arm64/AsyncGuardKit_const_extract_protocols.json (in target 'AsyncGuardKit' from project 'AsyncGuardKit')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.build/Objects-normal/arm64/AsyncGuardKit_const_extract_protocols.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.build/AsyncGuardKit.DependencyStaticMetadataFileList (in target 'AsyncGuardKit' from project 'AsyncGuardKit')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.build/AsyncGuardKit.DependencyStaticMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.build/AsyncGuardKit.DependencyMetadataFileList (in target 'AsyncGuardKit' from project 'AsyncGuardKit')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.build/AsyncGuardKit.DependencyMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.build/AsyncGuardKit.modulemap (in target 'AsyncGuardKit' from project 'AsyncGuardKit')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.build/AsyncGuardKit.modulemap
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.build/Objects-normal/arm64/AsyncGuardKit-OutputFileMap.json (in target 'AsyncGuardKit' from project 'AsyncGuardKit')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.build/Objects-normal/arm64/AsyncGuardKit-OutputFileMap.json
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-iphoneos/AsyncGuardKit.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.build/AsyncGuardKit.modulemap (in target 'AsyncGuardKit' from project 'AsyncGuardKit')
    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/AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.build/AsyncGuardKit.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-iphoneos
SwiftDriver AsyncGuardKit normal arm64 com.apple.xcode.tools.swift.compiler (in target 'AsyncGuardKit' from project 'AsyncGuardKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftDriver -- /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -module-name AsyncGuardKit -Onone -enforce-exclusivity\=checked @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.build/Objects-normal/arm64/AsyncGuardKit.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -stats-output-dir .stats -plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS18.4.sdk -target arm64-apple-ios16.0 -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 -swift-version 6 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -I /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS18.4.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos18.4-22E235-339d34bc69d7fc736c3220795c36f340.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.build/Objects-normal/arm64/AsyncGuardKit-OutputFileMap.json -use-frontend-parseable-output -save-temps -no-color-diagnostics -serialize-diagnostics -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.build/Objects-normal/arm64/AsyncGuardKit.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/AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.build/Objects-normal/arm64/AsyncGuardKit_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/AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.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/AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.build/Objects-normal/arm64/AsyncGuardKit-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftCompile normal arm64 Compiling\ AsyncGuard.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncGuardKit/Core/AsyncGuard.swift (in target 'AsyncGuardKit' from project 'AsyncGuardKit')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/AsyncGuardKit/Core/AsyncGuard.swift (in target 'AsyncGuardKit' from project 'AsyncGuardKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

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

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

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

SwiftEmitModule normal arm64 Emitting\ module\ for\ AsyncGuardKit (in target 'AsyncGuardKit' from project 'AsyncGuardKit')
EmitSwiftModule normal arm64 (in target 'AsyncGuardKit' from project 'AsyncGuardKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ Retry.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncGuardKit/Policies/Retry.swift (in target 'AsyncGuardKit' from project 'AsyncGuardKit')
Failed frontend command:
/Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -frontend -c /Users/admin/builder/spi-builder-workspace/Sources/AsyncGuardKit/Configuration/AsyncGuardConfiguration.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncGuardKit/Core/AsyncCancellable.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncGuardKit/Core/AsyncGuard.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncGuardKit/Core/AsyncTask.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncGuardKit/Diagnostics/Diagnostics.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncGuardKit/Execution/SingleFlightRegistry.swift -primary-file /Users/admin/builder/spi-builder-workspace/Sources/AsyncGuardKit/Policies/Retry.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncGuardKit/Policies/SingleFlight.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncGuardKit/Scope/AsyncLifetime.swift -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.build/Objects-normal/arm64/Retry.d -emit-const-values-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.build/Objects-normal/arm64/Retry.swiftconstvalues -emit-reference-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.build/Objects-normal/arm64/Retry.swiftdeps -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.build/Objects-normal/arm64/Retry.dia -target arm64-apple-ios16.0 -Xllvm -aarch64-use-tbi -enable-objc-interop -stack-check -sdk /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS18.4.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -I /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS18.4.sdk/Developer/Library/Frameworks -no-color-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -profile-generate -profile-coverage-mapping -swift-version 6 -enforce-exclusivity\=checked -stats-output-dir /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode/.stats -Onone -D SWIFT_PACKAGE -D DEBUG -serialize-debugging-options -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.build/Objects-normal/arm64/AsyncGuardKit_const_extract_protocols.json -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -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 -resource-dir /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift -enable-anonymous-context-mangled-names -file-compilation-dir /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos18.4-22E235-339d34bc69d7fc736c3220795c36f340.sdkstatcache -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.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/AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -module-name AsyncGuardKit -package-name spi_builder_workspace -frontend-parseable-output -disable-clang-spi -target-sdk-version 18.4 -target-sdk-name iphoneos18.4 -external-plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib/swift/host/plugins\#/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/swift-plugin-server -external-plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/local/lib/swift/host/plugins\#/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/swift-plugin-server -in-process-plugin-server-path /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins -plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/local/lib/swift/host/plugins -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.build/Objects-normal/arm64/Retry.o -index-unit-output-path /AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.build/Objects-normal/arm64/Retry.o -index-store-path /Users/admin/builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -index-system-modules
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/AsyncGuardKit/Policies/Retry.swift (in target 'AsyncGuardKit' from project 'AsyncGuardKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

/Users/admin/builder/spi-builder-workspace/Sources/AsyncGuardKit/Policies/Retry.swift:79:36: error: non-sendable result type 'T' cannot be sent from nonisolated context in call to parameter 'operation'
            let result = try await operation()
                                   ^
/Users/admin/builder/spi-builder-workspace/Sources/AsyncGuardKit/Policies/Retry.swift:64:19: note: consider making generic parameter 'T' conform to the 'Sendable' protocol
public func retry<T>(
                  ^
                   : Sendable
SwiftCompile normal arm64 Compiling\ AsyncTask.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncGuardKit/Core/AsyncTask.swift (in target 'AsyncGuardKit' from project 'AsyncGuardKit')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/AsyncGuardKit/Core/AsyncTask.swift (in target 'AsyncGuardKit' from project 'AsyncGuardKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

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

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

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

SwiftDriverJobDiscovery normal arm64 Emitting module for AsyncGuardKit (in target 'AsyncGuardKit' from project 'AsyncGuardKit')
SwiftDriver\ Compilation\ Requirements AsyncGuardKit normal arm64 com.apple.xcode.tools.swift.compiler (in target 'AsyncGuardKit' from project 'AsyncGuardKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-Swift-Compilation-Requirements -- /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -module-name AsyncGuardKit -Onone -enforce-exclusivity\=checked @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.build/Objects-normal/arm64/AsyncGuardKit.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -stats-output-dir .stats -plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS18.4.sdk -target arm64-apple-ios16.0 -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 -swift-version 6 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -I /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS18.4.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos18.4-22E235-339d34bc69d7fc736c3220795c36f340.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.build/Objects-normal/arm64/AsyncGuardKit-OutputFileMap.json -use-frontend-parseable-output -save-temps -no-color-diagnostics -serialize-diagnostics -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.build/Objects-normal/arm64/AsyncGuardKit.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/AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.build/Objects-normal/arm64/AsyncGuardKit_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/AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.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/AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.build/Objects-normal/arm64/AsyncGuardKit-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftMergeGeneratedHeaders /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-iphoneos/AsyncGuardKit-Swift.h /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.build/Objects-normal/arm64/AsyncGuardKit-Swift.h (in target 'AsyncGuardKit' from project 'AsyncGuardKit')
    cd /Users/admin/builder/spi-builder-workspace
    builtin-swiftHeaderTool -arch arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.build/Objects-normal/arm64/AsyncGuardKit-Swift.h -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-iphoneos/AsyncGuardKit-Swift.h
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/AsyncGuardKit.swiftmodule/arm64-apple-ios.swiftmodule /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.build/Objects-normal/arm64/AsyncGuardKit.swiftmodule (in target 'AsyncGuardKit' from project 'AsyncGuardKit')
    cd /Users/admin/builder/spi-builder-workspace
    builtin-copy -exclude .DS_Store -exclude CVS -exclude .svn -exclude .git -exclude .hg -resolve-src-symlinks -rename /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.build/Objects-normal/arm64/AsyncGuardKit.swiftmodule /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/AsyncGuardKit.swiftmodule/arm64-apple-ios.swiftmodule
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/AsyncGuardKit.swiftmodule/arm64-apple-ios.swiftdoc /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.build/Objects-normal/arm64/AsyncGuardKit.swiftdoc (in target 'AsyncGuardKit' from project 'AsyncGuardKit')
    cd /Users/admin/builder/spi-builder-workspace
    builtin-copy -exclude .DS_Store -exclude CVS -exclude .svn -exclude .git -exclude .hg -resolve-src-symlinks -rename /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.build/Objects-normal/arm64/AsyncGuardKit.swiftdoc /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/AsyncGuardKit.swiftmodule/arm64-apple-ios.swiftdoc
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/AsyncGuardKit.swiftmodule/arm64-apple-ios.abi.json /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.build/Objects-normal/arm64/AsyncGuardKit.abi.json (in target 'AsyncGuardKit' from project 'AsyncGuardKit')
    cd /Users/admin/builder/spi-builder-workspace
    builtin-copy -exclude .DS_Store -exclude CVS -exclude .svn -exclude .git -exclude .hg -resolve-src-symlinks -rename /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.build/Objects-normal/arm64/AsyncGuardKit.abi.json /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/AsyncGuardKit.swiftmodule/arm64-apple-ios.abi.json
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/AsyncGuardKit.swiftmodule/Project/arm64-apple-ios.swiftsourceinfo /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.build/Objects-normal/arm64/AsyncGuardKit.swiftsourceinfo (in target 'AsyncGuardKit' from project 'AsyncGuardKit')
    cd /Users/admin/builder/spi-builder-workspace
    builtin-copy -exclude .DS_Store -exclude CVS -exclude .svn -exclude .git -exclude .hg -resolve-src-symlinks -rename /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.build/Objects-normal/arm64/AsyncGuardKit.swiftsourceinfo /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/AsyncGuardKit.swiftmodule/Project/arm64-apple-ios.swiftsourceinfo
SwiftDriverJobDiscovery normal arm64 Compiling SingleFlight.swift (in target 'AsyncGuardKit' from project 'AsyncGuardKit')
SwiftDriverJobDiscovery normal arm64 Compiling AsyncGuard.swift (in target 'AsyncGuardKit' from project 'AsyncGuardKit')
SwiftDriverJobDiscovery normal arm64 Compiling AsyncGuardConfiguration.swift (in target 'AsyncGuardKit' from project 'AsyncGuardKit')
SwiftDriverJobDiscovery normal arm64 Compiling AsyncCancellable.swift (in target 'AsyncGuardKit' from project 'AsyncGuardKit')
SwiftDriverJobDiscovery normal arm64 Compiling AsyncLifetime.swift (in target 'AsyncGuardKit' from project 'AsyncGuardKit')
** BUILD FAILED **
The following build commands failed:
	SwiftCompile normal arm64 Compiling\ Retry.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncGuardKit/Policies/Retry.swift (in target 'AsyncGuardKit' from project 'AsyncGuardKit')
	SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/AsyncGuardKit/Policies/Retry.swift (in target 'AsyncGuardKit' from project 'AsyncGuardKit')
	Building workspace spi-builder-workspace with scheme AsyncGuardKit
(3 failures)
Command line invocation:
    /Applications/Xcode-16.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Resolved source packages:
  AsyncGuardKit: /Users/admin/builder/spi-builder-workspace
resolved source packages: AsyncGuardKit
{
  "dependencies" : [
  ],
  "manifest_display_name" : "AsyncGuardKit",
  "name" : "AsyncGuardKit",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "16.0"
    },
    {
      "name" : "macos",
      "version" : "13.0"
    },
    {
      "name" : "tvos",
      "version" : "16.0"
    },
    {
      "name" : "watchos",
      "version" : "9.0"
    }
  ],
  "products" : [
    {
      "name" : "AsyncGuardKit",
      "targets" : [
        "AsyncGuardKit"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "swift_languages_versions" : [
    "6"
  ],
  "targets" : [
    {
      "c99name" : "AsyncGuardKitTests",
      "module_type" : "SwiftTarget",
      "name" : "AsyncGuardKitTests",
      "path" : "Tests/AsyncGuardKitTests",
      "sources" : [
        "BenchmarkTests.swift",
        "DelayTests.swift",
        "ExecutionTests.swift",
        "IntegrationTests.swift",
        "RegressionTests.swift",
        "RetryTests.swift",
        "ScopeTests.swift",
        "SingleFlightTests.swift",
        "TestHelpers.swift"
      ],
      "target_dependencies" : [
        "AsyncGuardKit"
      ],
      "type" : "test"
    },
    {
      "c99name" : "AsyncGuardKit",
      "module_type" : "SwiftTarget",
      "name" : "AsyncGuardKit",
      "path" : "Sources/AsyncGuardKit",
      "product_memberships" : [
        "AsyncGuardKit"
      ],
      "sources" : [
        "Configuration/AsyncGuardConfiguration.swift",
        "Core/AsyncCancellable.swift",
        "Core/AsyncGuard.swift",
        "Core/AsyncTask.swift",
        "Diagnostics/Diagnostics.swift",
        "Execution/SingleFlightRegistry.swift",
        "Policies/Retry.swift",
        "Policies/SingleFlight.swift",
        "Scope/AsyncLifetime.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.0"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "AsyncGuardKit"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme AsyncGuardKit -destination generic/platform=iOS
Command line invocation:
    /Applications/Xcode-16.3.0.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 AsyncGuardKit -destination generic/platform=iOS
Resolve Package Graph
Resolved source packages:
  AsyncGuardKit: /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 'AsyncGuardKit' in project 'AsyncGuardKit'
        ➜ Explicit dependency on target 'AsyncGuardKit' in project 'AsyncGuardKit'
    Target 'AsyncGuardKit' in project 'AsyncGuardKit' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS18.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: b79b5dad3c394d78e7252d1483e51e10
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/b79b5dad3c394d78e7252d1483e51e10.xcbuilddata
ClangStatCache /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS18.4.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos18.4-22E235-339d34bc69d7fc736c3220795c36f340.sdkstatcache
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS18.4.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos18.4-22E235-339d34bc69d7fc736c3220795c36f340.sdkstatcache
SwiftDriver AsyncGuardKit normal arm64 com.apple.xcode.tools.swift.compiler (in target 'AsyncGuardKit' from project 'AsyncGuardKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftDriver -- /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -module-name AsyncGuardKit -Onone -enforce-exclusivity\=checked @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.build/Objects-normal/arm64/AsyncGuardKit.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DXcode -plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS18.4.sdk -target arm64-apple-ios16.0 -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 -swift-version 6 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -I /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS18.4.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos18.4-22E235-339d34bc69d7fc736c3220795c36f340.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.build/Objects-normal/arm64/AsyncGuardKit-OutputFileMap.json -use-frontend-parseable-output -save-temps -no-color-diagnostics -serialize-diagnostics -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.build/Objects-normal/arm64/AsyncGuardKit.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/AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.build/Objects-normal/arm64/AsyncGuardKit_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/AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.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/AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.build/Objects-normal/arm64/AsyncGuardKit-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftCompile normal arm64 Compiling\ AsyncCancellable.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncGuardKit/Core/AsyncCancellable.swift (in target 'AsyncGuardKit' from project 'AsyncGuardKit')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/AsyncGuardKit/Core/AsyncCancellable.swift (in target 'AsyncGuardKit' from project 'AsyncGuardKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

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

SwiftCompile normal arm64 Compiling\ Retry.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncGuardKit/Policies/Retry.swift (in target 'AsyncGuardKit' from project 'AsyncGuardKit')
Failed frontend command:
/Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -frontend -c /Users/admin/builder/spi-builder-workspace/Sources/AsyncGuardKit/Configuration/AsyncGuardConfiguration.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncGuardKit/Core/AsyncCancellable.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncGuardKit/Core/AsyncGuard.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncGuardKit/Core/AsyncTask.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncGuardKit/Diagnostics/Diagnostics.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncGuardKit/Execution/SingleFlightRegistry.swift -primary-file /Users/admin/builder/spi-builder-workspace/Sources/AsyncGuardKit/Policies/Retry.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncGuardKit/Policies/SingleFlight.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncGuardKit/Scope/AsyncLifetime.swift -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.build/Objects-normal/arm64/Retry.d -emit-const-values-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.build/Objects-normal/arm64/Retry.swiftconstvalues -emit-reference-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.build/Objects-normal/arm64/Retry.swiftdeps -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.build/Objects-normal/arm64/Retry.dia -target arm64-apple-ios16.0 -Xllvm -aarch64-use-tbi -enable-objc-interop -stack-check -sdk /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS18.4.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -I /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS18.4.sdk/Developer/Library/Frameworks -no-color-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -profile-generate -profile-coverage-mapping -swift-version 6 -enforce-exclusivity\=checked -Onone -D SWIFT_PACKAGE -D DEBUG -D Xcode -serialize-debugging-options -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.build/Objects-normal/arm64/AsyncGuardKit_const_extract_protocols.json -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -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 -resource-dir /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift -enable-anonymous-context-mangled-names -file-compilation-dir /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos18.4-22E235-339d34bc69d7fc736c3220795c36f340.sdkstatcache -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.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/AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -module-name AsyncGuardKit -package-name spi_builder_workspace -frontend-parseable-output -disable-clang-spi -target-sdk-version 18.4 -target-sdk-name iphoneos18.4 -external-plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib/swift/host/plugins\#/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/swift-plugin-server -external-plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/local/lib/swift/host/plugins\#/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/swift-plugin-server -in-process-plugin-server-path /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins -plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/local/lib/swift/host/plugins -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.build/Objects-normal/arm64/Retry.o -index-unit-output-path /AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.build/Objects-normal/arm64/Retry.o -index-store-path /Users/admin/builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -index-system-modules
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/AsyncGuardKit/Policies/Retry.swift (in target 'AsyncGuardKit' from project 'AsyncGuardKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

/Users/admin/builder/spi-builder-workspace/Sources/AsyncGuardKit/Policies/Retry.swift:79:36: error: non-sendable result type 'T' cannot be sent from nonisolated context in call to parameter 'operation'
            let result = try await operation()
                                   ^
/Users/admin/builder/spi-builder-workspace/Sources/AsyncGuardKit/Policies/Retry.swift:64:19: note: consider making generic parameter 'T' conform to the 'Sendable' protocol
public func retry<T>(
                  ^
                   : Sendable
SwiftCompile normal arm64 Compiling\ AsyncGuard.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncGuardKit/Core/AsyncGuard.swift (in target 'AsyncGuardKit' from project 'AsyncGuardKit')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/AsyncGuardKit/Core/AsyncGuard.swift (in target 'AsyncGuardKit' from project 'AsyncGuardKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

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

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

SwiftEmitModule normal arm64 Emitting\ module\ for\ AsyncGuardKit (in target 'AsyncGuardKit' from project 'AsyncGuardKit')
EmitSwiftModule normal arm64 (in target 'AsyncGuardKit' from project 'AsyncGuardKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

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

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

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

SwiftDriverJobDiscovery normal arm64 Compiling AsyncGuardConfiguration.swift (in target 'AsyncGuardKit' from project 'AsyncGuardKit')
SwiftDriverJobDiscovery normal arm64 Compiling AsyncGuard.swift (in target 'AsyncGuardKit' from project 'AsyncGuardKit')
SwiftDriverJobDiscovery normal arm64 Compiling AsyncCancellable.swift (in target 'AsyncGuardKit' from project 'AsyncGuardKit')
SwiftDriverJobDiscovery normal arm64 Compiling SingleFlight.swift (in target 'AsyncGuardKit' from project 'AsyncGuardKit')
SwiftDriverJobDiscovery normal arm64 Emitting module for AsyncGuardKit (in target 'AsyncGuardKit' from project 'AsyncGuardKit')
SwiftDriver\ Compilation\ Requirements AsyncGuardKit normal arm64 com.apple.xcode.tools.swift.compiler (in target 'AsyncGuardKit' from project 'AsyncGuardKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-Swift-Compilation-Requirements -- /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -module-name AsyncGuardKit -Onone -enforce-exclusivity\=checked @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.build/Objects-normal/arm64/AsyncGuardKit.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DXcode -plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS18.4.sdk -target arm64-apple-ios16.0 -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 -swift-version 6 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -I /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS18.4.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos18.4-22E235-339d34bc69d7fc736c3220795c36f340.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.build/Objects-normal/arm64/AsyncGuardKit-OutputFileMap.json -use-frontend-parseable-output -save-temps -no-color-diagnostics -serialize-diagnostics -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.build/Objects-normal/arm64/AsyncGuardKit.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/AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.build/Objects-normal/arm64/AsyncGuardKit_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/AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.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/AsyncGuardKit.build/Debug-iphoneos/AsyncGuardKit.build/Objects-normal/arm64/AsyncGuardKit-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
** BUILD FAILED **
The following build commands failed:
	SwiftCompile normal arm64 Compiling\ Retry.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncGuardKit/Policies/Retry.swift (in target 'AsyncGuardKit' from project 'AsyncGuardKit')
	SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/AsyncGuardKit/Policies/Retry.swift (in target 'AsyncGuardKit' from project 'AsyncGuardKit')
	Building workspace spi-builder-workspace with scheme AsyncGuardKit
(3 failures)
BUILD FAILURE 6.1 iOS