Swift Package Index

Build Information

Failed to build AsyncSequenceReader, reference 0.5.0 (e2f0c0), with Swift 6.1 for watchOS using Xcode 16.3 on 23 Jul 2026 16:12:07 UTC.

Build Command

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

Build Log

========================================
RunAll
========================================
Builder version: undefined version: run 'make version' to update
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/mochidev/AsyncSequenceReader.git
Reference: 0.5.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/mochidev/AsyncSequenceReader
 * tag               0.5.0      -> FETCH_HEAD
HEAD is now at e2f0c00 Updated README for Version 0.5.0
Cloned https://github.com/mochidev/AsyncSequenceReader.git
Revision (git rev-parse @):
e2f0c00ce9a3f89e76c9b08d73101e0d42493990
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/mochidev/AsyncSequenceReader.git at 0.5.0
========================================
Build
========================================
Selected platform:         watchOS
Swift version:             6.1
Building package at path:  $PWD
https://github.com/mochidev/AsyncSequenceReader.git
https://github.com/mochidev/AsyncSequenceReader.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "AsyncSequenceReader",
  "name" : "AsyncSequenceReader",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.15"
    },
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "tvos",
      "version" : "13.0"
    },
    {
      "name" : "watchos",
      "version" : "6.0"
    }
  ],
  "products" : [
    {
      "name" : "AsyncSequenceReader",
      "targets" : [
        "AsyncSequenceReader"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "AsyncSequenceReaderTests",
      "module_type" : "SwiftTarget",
      "name" : "AsyncSequenceReaderTests",
      "path" : "Tests/AsyncSequenceReaderTests",
      "sources" : [
        "AnyReadableSequenceTests.swift",
        "AsyncBufferedIteratorTests.swift",
        "AsyncIteratorMapSequenceTests.swift",
        "AsyncIteratorProtocol+NonIsolated.swift",
        "AsyncReadUpToCountSequenceTests.swift",
        "AsyncReadUpToElementsSequenceTests.swift",
        "AsyncSequenceReaderErrorTests.swift",
        "AsyncSequenceReaderTests.swift",
        "ExitTest.Result+Lines.swift",
        "TestSequence.swift"
      ],
      "target_dependencies" : [
        "AsyncSequenceReader"
      ],
      "type" : "test"
    },
    {
      "c99name" : "AsyncSequenceReader",
      "module_type" : "SwiftTarget",
      "name" : "AsyncSequenceReader",
      "path" : "Sources/AsyncSequenceReader",
      "product_memberships" : [
        "AsyncSequenceReader"
      ],
      "sources" : [
        "AnyReadableSequence.swift",
        "AsyncBufferedIterator.swift",
        "AsyncIteratorMapSequence.swift",
        "AsyncIteratorProtocol+Isolated.swift",
        "AsyncReadSequence.swift",
        "AsyncReadUpToCountSequence.swift",
        "AsyncReadUpToElementsSequence.swift",
        "AsyncSequenceReader.swift",
        "AsyncSequenceReaderError.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:
  AsyncSequenceReader: /Users/admin/builder/spi-builder-workspace
resolved source packages: AsyncSequenceReader
{
  "dependencies" : [
  ],
  "manifest_display_name" : "AsyncSequenceReader",
  "name" : "AsyncSequenceReader",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.15"
    },
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "tvos",
      "version" : "13.0"
    },
    {
      "name" : "watchos",
      "version" : "6.0"
    }
  ],
  "products" : [
    {
      "name" : "AsyncSequenceReader",
      "targets" : [
        "AsyncSequenceReader"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "AsyncSequenceReaderTests",
      "module_type" : "SwiftTarget",
      "name" : "AsyncSequenceReaderTests",
      "path" : "Tests/AsyncSequenceReaderTests",
      "sources" : [
        "AnyReadableSequenceTests.swift",
        "AsyncBufferedIteratorTests.swift",
        "AsyncIteratorMapSequenceTests.swift",
        "AsyncIteratorProtocol+NonIsolated.swift",
        "AsyncReadUpToCountSequenceTests.swift",
        "AsyncReadUpToElementsSequenceTests.swift",
        "AsyncSequenceReaderErrorTests.swift",
        "AsyncSequenceReaderTests.swift",
        "ExitTest.Result+Lines.swift",
        "TestSequence.swift"
      ],
      "target_dependencies" : [
        "AsyncSequenceReader"
      ],
      "type" : "test"
    },
    {
      "c99name" : "AsyncSequenceReader",
      "module_type" : "SwiftTarget",
      "name" : "AsyncSequenceReader",
      "path" : "Sources/AsyncSequenceReader",
      "product_memberships" : [
        "AsyncSequenceReader"
      ],
      "sources" : [
        "AnyReadableSequence.swift",
        "AsyncBufferedIterator.swift",
        "AsyncIteratorMapSequence.swift",
        "AsyncIteratorProtocol+Isolated.swift",
        "AsyncReadSequence.swift",
        "AsyncReadUpToCountSequence.swift",
        "AsyncReadUpToElementsSequence.swift",
        "AsyncSequenceReader.swift",
        "AsyncSequenceReaderError.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.0"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "AsyncSequenceReader"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme AsyncSequenceReader -destination generic/platform=watchOS 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 AsyncSequenceReader -destination generic/platform=watchOS "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:
  AsyncSequenceReader: /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 'AsyncSequenceReader' in project 'AsyncSequenceReader'
        ➜ Explicit dependency on target 'AsyncSequenceReader' in project 'AsyncSequenceReader'
    Target 'AsyncSequenceReader' in project 'AsyncSequenceReader' (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/WatchOS.platform/Developer/SDKs/WatchOS11.4.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
ReadFileContents /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/share/docc/features.json
Build description signature: 5c4bc9d582b56dabc622f0204aab6ada
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/5c4bc9d582b56dabc622f0204aab6ada.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/WatchOS.platform/Developer/SDKs/WatchOS11.4.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos11.4-22T246-43efb940ff07ba2497b70ec94253f576.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/WatchOS.platform/Developer/SDKs/WatchOS11.4.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos11.4-22T246-43efb940ff07ba2497b70ec94253f576.sdkstatcache
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/EagerLinkingTBDs/Debug-watchos
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/EagerLinkingTBDs/Debug-watchos
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/PackageFrameworks
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/PackageFrameworks
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/AsyncSequenceReader.modulemap (in target 'AsyncSequenceReader' from project 'AsyncSequenceReader')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/AsyncSequenceReader.modulemap
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/armv7k/AsyncSequenceReader.SwiftFileList (in target 'AsyncSequenceReader' from project 'AsyncSequenceReader')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/armv7k/AsyncSequenceReader.SwiftFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/armv7k/AsyncSequenceReader.SwiftConstValuesFileList (in target 'AsyncSequenceReader' from project 'AsyncSequenceReader')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/armv7k/AsyncSequenceReader.SwiftConstValuesFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/armv7k/AsyncSequenceReader.LinkFileList (in target 'AsyncSequenceReader' from project 'AsyncSequenceReader')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/armv7k/AsyncSequenceReader.LinkFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/arm64_32/AsyncSequenceReader_const_extract_protocols.json (in target 'AsyncSequenceReader' from project 'AsyncSequenceReader')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/arm64_32/AsyncSequenceReader_const_extract_protocols.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/armv7k/AsyncSequenceReader_const_extract_protocols.json (in target 'AsyncSequenceReader' from project 'AsyncSequenceReader')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/armv7k/AsyncSequenceReader_const_extract_protocols.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/armv7k/AsyncSequenceReader-OutputFileMap.json (in target 'AsyncSequenceReader' from project 'AsyncSequenceReader')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/armv7k/AsyncSequenceReader-OutputFileMap.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/arm64_32/AsyncSequenceReader.SwiftConstValuesFileList (in target 'AsyncSequenceReader' from project 'AsyncSequenceReader')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/arm64_32/AsyncSequenceReader.SwiftConstValuesFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/arm64_32/AsyncSequenceReader.SwiftFileList (in target 'AsyncSequenceReader' from project 'AsyncSequenceReader')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/arm64_32/AsyncSequenceReader.SwiftFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/arm64_32/AsyncSequenceReader.LinkFileList (in target 'AsyncSequenceReader' from project 'AsyncSequenceReader')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/arm64_32/AsyncSequenceReader.LinkFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/arm64_32/AsyncSequenceReader-OutputFileMap.json (in target 'AsyncSequenceReader' from project 'AsyncSequenceReader')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/arm64_32/AsyncSequenceReader-OutputFileMap.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/arm64/AsyncSequenceReader.SwiftConstValuesFileList (in target 'AsyncSequenceReader' from project 'AsyncSequenceReader')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/arm64/AsyncSequenceReader.SwiftConstValuesFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/arm64/AsyncSequenceReader_const_extract_protocols.json (in target 'AsyncSequenceReader' from project 'AsyncSequenceReader')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/arm64/AsyncSequenceReader_const_extract_protocols.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/arm64/AsyncSequenceReader.LinkFileList (in target 'AsyncSequenceReader' from project 'AsyncSequenceReader')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/arm64/AsyncSequenceReader.LinkFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/arm64/AsyncSequenceReader.SwiftFileList (in target 'AsyncSequenceReader' from project 'AsyncSequenceReader')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/arm64/AsyncSequenceReader.SwiftFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/arm64/AsyncSequenceReader-OutputFileMap.json (in target 'AsyncSequenceReader' from project 'AsyncSequenceReader')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/arm64/AsyncSequenceReader-OutputFileMap.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/AsyncSequenceReader.DependencyStaticMetadataFileList (in target 'AsyncSequenceReader' from project 'AsyncSequenceReader')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/AsyncSequenceReader.DependencyStaticMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/AsyncSequenceReader.DependencyMetadataFileList (in target 'AsyncSequenceReader' from project 'AsyncSequenceReader')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/AsyncSequenceReader.DependencyMetadataFileList
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-watchos/AsyncSequenceReader.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/AsyncSequenceReader.modulemap (in target 'AsyncSequenceReader' from project 'AsyncSequenceReader')
    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/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/AsyncSequenceReader.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-watchos
SwiftDriver AsyncSequenceReader normal armv7k com.apple.xcode.tools.swift.compiler (in target 'AsyncSequenceReader' from project 'AsyncSequenceReader')
    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 AsyncSequenceReader -Onone -enforce-exclusivity\=checked @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/armv7k/AsyncSequenceReader.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/WatchOS.platform/Developer/SDKs/WatchOS11.4.sdk -target armv7k-apple-watchos6.0 -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-watchos -I /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS11.4.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos11.4-22T246-43efb940ff07ba2497b70ec94253f576.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/armv7k/AsyncSequenceReader-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/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/armv7k/AsyncSequenceReader.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/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/armv7k/AsyncSequenceReader_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/DerivedSources-normal/armv7k -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/DerivedSources/armv7k -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.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/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/armv7k/AsyncSequenceReader-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftDriver AsyncSequenceReader normal arm64_32 com.apple.xcode.tools.swift.compiler (in target 'AsyncSequenceReader' from project 'AsyncSequenceReader')
    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 AsyncSequenceReader -Onone -enforce-exclusivity\=checked @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/arm64_32/AsyncSequenceReader.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/WatchOS.platform/Developer/SDKs/WatchOS11.4.sdk -target arm64_32-apple-watchos6.0 -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-watchos -I /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS11.4.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos11.4-22T246-43efb940ff07ba2497b70ec94253f576.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/arm64_32/AsyncSequenceReader-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/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/arm64_32/AsyncSequenceReader.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/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/arm64_32/AsyncSequenceReader_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/DerivedSources-normal/arm64_32 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/DerivedSources/arm64_32 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.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/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/arm64_32/AsyncSequenceReader-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftDriver AsyncSequenceReader normal arm64 com.apple.xcode.tools.swift.compiler (in target 'AsyncSequenceReader' from project 'AsyncSequenceReader')
    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 AsyncSequenceReader -Onone -enforce-exclusivity\=checked @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/arm64/AsyncSequenceReader.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/WatchOS.platform/Developer/SDKs/WatchOS11.4.sdk -target arm64-apple-watchos6.0 -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-watchos -I /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS11.4.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos11.4-22T246-43efb940ff07ba2497b70ec94253f576.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/arm64/AsyncSequenceReader-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/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/arm64/AsyncSequenceReader.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/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/arm64/AsyncSequenceReader_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.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/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/arm64/AsyncSequenceReader-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftCompile normal arm64 Compiling\ AsyncReadSequence.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncSequenceReader/AsyncReadSequence.swift (in target 'AsyncSequenceReader' from project 'AsyncSequenceReader')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/AsyncSequenceReader/AsyncReadSequence.swift (in target 'AsyncSequenceReader' from project 'AsyncSequenceReader')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

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

SwiftCompile normal arm64 Compiling\ AsyncReadUpToCountSequence.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncSequenceReader/AsyncReadUpToCountSequence.swift (in target 'AsyncSequenceReader' from project 'AsyncSequenceReader')
Please submit a bug report (https://swift.org/contributing/#reporting-bugs) and include the crash backtrace.
Stack dump:
0.	Program arguments: /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -frontend -c /Users/admin/builder/spi-builder-workspace/Sources/AsyncSequenceReader/AnyReadableSequence.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncSequenceReader/AsyncBufferedIterator.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncSequenceReader/AsyncIteratorMapSequence.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncSequenceReader/AsyncIteratorProtocol+Isolated.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncSequenceReader/AsyncReadSequence.swift -primary-file /Users/admin/builder/spi-builder-workspace/Sources/AsyncSequenceReader/AsyncReadUpToCountSequence.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncSequenceReader/AsyncReadUpToElementsSequence.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncSequenceReader/AsyncSequenceReader.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncSequenceReader/AsyncSequenceReaderError.swift -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/arm64/AsyncReadUpToCountSequence.d -emit-const-values-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/arm64/AsyncReadUpToCountSequence.swiftconstvalues -emit-reference-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/arm64/AsyncReadUpToCountSequence.swiftdeps -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/arm64/AsyncReadUpToCountSequence.dia -target arm64-apple-watchos6.0 -Xllvm -aarch64-use-tbi -enable-objc-interop -stack-check -sdk /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS11.4.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -I /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS11.4.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/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/arm64/AsyncSequenceReader_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/watchos11.4-22T246-43efb940ff07ba2497b70ec94253f576.sdkstatcache -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/swift-overrides.hmap -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG=1 -module-name AsyncSequenceReader -package-name spi_builder_workspace -frontend-parseable-output -disable-clang-spi -target-sdk-version 11.4 -target-sdk-name watchos11.4 -external-plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib/swift/host/plugins#/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/bin/swift-plugin-server -external-plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/local/lib/swift/host/plugins#/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.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/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/arm64/AsyncReadUpToCountSequence.o -index-unit-output-path /AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/arm64/AsyncReadUpToCountSequence.o -index-store-path /Users/admin/builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -index-system-modules
1.	Apple Swift version 6.1 (swiftlang-6.1.0.110.21 clang-1700.0.13.3)
2.	Compiling with the current language version
3.	While evaluating request IRGenRequest(IR Generation for file "/Users/admin/builder/spi-builder-workspace/Sources/AsyncSequenceReader/AsyncReadUpToCountSequence.swift")
4.	While emitting IR SIL function "@$sScI19AsyncSequenceReaders5NeverO7FailureRtzrlE7collect9isolation_Say7ElementQzGSgScA_pSgYi_SitYaAA0abC5ErrorVYKF".
 for 'collect(isolation:_:)' (at /Users/admin/builder/spi-builder-workspace/Sources/AsyncSequenceReader/AsyncReadUpToCountSequence.swift:79:21)
Stack dump without symbol names (ensure you have llvm-symbolizer in your PATH or set the environment var `LLVM_SYMBOLIZER_PATH` to point to it):
0  swift-frontend           0x0000000108eaec28 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) + 56
1  swift-frontend           0x0000000108eaca60 llvm::sys::RunSignalHandlers() + 112
2  swift-frontend           0x0000000108eaf264 SignalHandler(int) + 360
3  libsystem_platform.dylib 0x0000000191323624 _sigtramp + 56
4  swift-frontend           0x000000010313b9d0 (anonymous namespace)::AsyncCallEmission::setFromCallee() + 728
5  swift-frontend           0x000000010313b9d0 (anonymous namespace)::AsyncCallEmission::setFromCallee() + 728
6  swift-frontend           0x00000001031213c0 swift::irgen::getCallEmission(swift::irgen::IRGenFunction&, llvm::Value*, swift::irgen::Callee&&) + 888
7  swift-frontend           0x000000010339b888 (anonymous namespace)::IRGenSILFunction::visitFullApplySite(swift::FullApplySite) + 3268
8  swift-frontend           0x000000010336c4e4 (anonymous namespace)::IRGenSILFunction::visitSILBasicBlock(swift::SILBasicBlock*) + 2636
9  swift-frontend           0x000000010336a38c (anonymous namespace)::IRGenSILFunction::emitSILFunction() + 15860
10 swift-frontend           0x00000001033660e0 swift::irgen::IRGenModule::emitSILFunction(swift::SILFunction*) + 2788
11 swift-frontend           0x0000000103189560 swift::irgen::IRGenerator::emitGlobalTopLevel(std::__1::vector<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char>>, std::__1::allocator<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char>>>> const&) + 2044
12 swift-frontend           0x00000001033179fc swift::IRGenRequest::evaluate(swift::Evaluator&, swift::IRGenDescriptor) const + 4296
13 swift-frontend           0x000000010336533c swift::SimpleRequest<swift::IRGenRequest, swift::GeneratedModule (swift::IRGenDescriptor), (swift::RequestFlags)17>::evaluateRequest(swift::IRGenRequest const&, swift::Evaluator&) + 180
14 swift-frontend           0x0000000103320f28 swift::IRGenRequest::OutputType swift::Evaluator::getResultUncached<swift::IRGenRequest, swift::IRGenRequest::OutputType swift::evaluateOrFatal<swift::IRGenRequest>(swift::Evaluator&, swift::IRGenRequest)::'lambda'()>(swift::IRGenRequest const&, swift::IRGenRequest::OutputType swift::evaluateOrFatal<swift::IRGenRequest>(swift::Evaluator&, swift::IRGenRequest)::'lambda'()) + 812
15 swift-frontend           0x000000010331a688 swift::performIRGeneration(swift::FileUnit*, swift::IRGenOptions const&, swift::TBDGenOptions const&, std::__1::unique_ptr<swift::SILModule, std::__1::default_delete<swift::SILModule>>, llvm::StringRef, swift::PrimarySpecificPaths const&, llvm::StringRef, llvm::GlobalVariable**) + 176
16 swift-frontend           0x0000000102d05af0 generateIR(swift::IRGenOptions const&, swift::TBDGenOptions const&, std::__1::unique_ptr<swift::SILModule, std::__1::default_delete<swift::SILModule>>, swift::PrimarySpecificPaths const&, llvm::StringRef, llvm::PointerUnion<swift::ModuleDecl*, swift::SourceFile*>, llvm::GlobalVariable*&, llvm::ArrayRef<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char>>>) + 156
17 swift-frontend           0x0000000102d0107c performCompileStepsPostSILGen(swift::CompilerInstance&, std::__1::unique_ptr<swift::SILModule, std::__1::default_delete<swift::SILModule>>, llvm::PointerUnion<swift::ModuleDecl*, swift::SourceFile*>, swift::PrimarySpecificPaths const&, int&, swift::FrontendObserver*) + 2108
18 swift-frontend           0x0000000102d000a8 swift::performCompileStepsPostSema(swift::CompilerInstance&, int&, swift::FrontendObserver*) + 1036
19 swift-frontend           0x0000000102d03654 performCompile(swift::CompilerInstance&, int&, swift::FrontendObserver*) + 1764
20 swift-frontend           0x0000000102d01fd8 swift::performFrontend(llvm::ArrayRef<char const*>, char const*, void*, swift::FrontendObserver*) + 3716
21 swift-frontend           0x0000000102c860bc swift::mainEntry(int, char const**) + 5428
22 dyld                     0x0000000190f4ab4c start + 6000
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/AsyncSequenceReader/AnyReadableSequence.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncSequenceReader/AsyncBufferedIterator.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncSequenceReader/AsyncIteratorMapSequence.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncSequenceReader/AsyncIteratorProtocol+Isolated.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncSequenceReader/AsyncReadSequence.swift -primary-file /Users/admin/builder/spi-builder-workspace/Sources/AsyncSequenceReader/AsyncReadUpToCountSequence.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncSequenceReader/AsyncReadUpToElementsSequence.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncSequenceReader/AsyncSequenceReader.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncSequenceReader/AsyncSequenceReaderError.swift -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/arm64/AsyncReadUpToCountSequence.d -emit-const-values-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/arm64/AsyncReadUpToCountSequence.swiftconstvalues -emit-reference-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/arm64/AsyncReadUpToCountSequence.swiftdeps -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/arm64/AsyncReadUpToCountSequence.dia -target arm64-apple-watchos6.0 -Xllvm -aarch64-use-tbi -enable-objc-interop -stack-check -sdk /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS11.4.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -I /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS11.4.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/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/arm64/AsyncSequenceReader_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/watchos11.4-22T246-43efb940ff07ba2497b70ec94253f576.sdkstatcache -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/swift-overrides.hmap -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -module-name AsyncSequenceReader -package-name spi_builder_workspace -frontend-parseable-output -disable-clang-spi -target-sdk-version 11.4 -target-sdk-name watchos11.4 -external-plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib/swift/host/plugins\#/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/bin/swift-plugin-server -external-plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/local/lib/swift/host/plugins\#/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.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/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/arm64/AsyncReadUpToCountSequence.o -index-unit-output-path /AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/arm64/AsyncReadUpToCountSequence.o -index-store-path /Users/admin/builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -index-system-modules
Command SwiftCompile failed with a nonzero exit code
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/AsyncSequenceReader/AsyncReadUpToCountSequence.swift (in target 'AsyncSequenceReader' from project 'AsyncSequenceReader')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

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

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

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

SwiftEmitModule normal arm64_32 Emitting\ module\ for\ AsyncSequenceReader (in target 'AsyncSequenceReader' from project 'AsyncSequenceReader')
EmitSwiftModule normal arm64_32 (in target 'AsyncSequenceReader' from project 'AsyncSequenceReader')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

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

SwiftEmitModule normal armv7k Emitting\ module\ for\ AsyncSequenceReader (in target 'AsyncSequenceReader' from project 'AsyncSequenceReader')
EmitSwiftModule normal armv7k (in target 'AsyncSequenceReader' from project 'AsyncSequenceReader')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal armv7k Compiling\ AsyncIteratorProtocol+Isolated.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncSequenceReader/AsyncIteratorProtocol+Isolated.swift (in target 'AsyncSequenceReader' from project 'AsyncSequenceReader')
SwiftCompile normal armv7k /Users/admin/builder/spi-builder-workspace/Sources/AsyncSequenceReader/AsyncIteratorProtocol+Isolated.swift (in target 'AsyncSequenceReader' from project 'AsyncSequenceReader')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal armv7k Compiling\ AnyReadableSequence.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncSequenceReader/AnyReadableSequence.swift (in target 'AsyncSequenceReader' from project 'AsyncSequenceReader')
Command SwiftCompile failed with a nonzero exit code
** BUILD FAILED **
The following build commands failed:
	SwiftCompile normal arm64 Compiling\ AsyncReadUpToCountSequence.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncSequenceReader/AsyncReadUpToCountSequence.swift (in target 'AsyncSequenceReader' from project 'AsyncSequenceReader')
	SwiftCompile normal armv7k Compiling\ AnyReadableSequence.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncSequenceReader/AnyReadableSequence.swift (in target 'AsyncSequenceReader' from project 'AsyncSequenceReader')
	Building workspace spi-builder-workspace with scheme AsyncSequenceReader
(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:
  AsyncSequenceReader: /Users/admin/builder/spi-builder-workspace
resolved source packages: AsyncSequenceReader
{
  "dependencies" : [
  ],
  "manifest_display_name" : "AsyncSequenceReader",
  "name" : "AsyncSequenceReader",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.15"
    },
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "tvos",
      "version" : "13.0"
    },
    {
      "name" : "watchos",
      "version" : "6.0"
    }
  ],
  "products" : [
    {
      "name" : "AsyncSequenceReader",
      "targets" : [
        "AsyncSequenceReader"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "AsyncSequenceReaderTests",
      "module_type" : "SwiftTarget",
      "name" : "AsyncSequenceReaderTests",
      "path" : "Tests/AsyncSequenceReaderTests",
      "sources" : [
        "AnyReadableSequenceTests.swift",
        "AsyncBufferedIteratorTests.swift",
        "AsyncIteratorMapSequenceTests.swift",
        "AsyncIteratorProtocol+NonIsolated.swift",
        "AsyncReadUpToCountSequenceTests.swift",
        "AsyncReadUpToElementsSequenceTests.swift",
        "AsyncSequenceReaderErrorTests.swift",
        "AsyncSequenceReaderTests.swift",
        "ExitTest.Result+Lines.swift",
        "TestSequence.swift"
      ],
      "target_dependencies" : [
        "AsyncSequenceReader"
      ],
      "type" : "test"
    },
    {
      "c99name" : "AsyncSequenceReader",
      "module_type" : "SwiftTarget",
      "name" : "AsyncSequenceReader",
      "path" : "Sources/AsyncSequenceReader",
      "product_memberships" : [
        "AsyncSequenceReader"
      ],
      "sources" : [
        "AnyReadableSequence.swift",
        "AsyncBufferedIterator.swift",
        "AsyncIteratorMapSequence.swift",
        "AsyncIteratorProtocol+Isolated.swift",
        "AsyncReadSequence.swift",
        "AsyncReadUpToCountSequence.swift",
        "AsyncReadUpToElementsSequence.swift",
        "AsyncSequenceReader.swift",
        "AsyncSequenceReaderError.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.0"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "AsyncSequenceReader"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme AsyncSequenceReader -destination generic/platform=watchOS
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 AsyncSequenceReader -destination generic/platform=watchOS
Resolve Package Graph
Resolved source packages:
  AsyncSequenceReader: /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 'AsyncSequenceReader' in project 'AsyncSequenceReader'
        ➜ Explicit dependency on target 'AsyncSequenceReader' in project 'AsyncSequenceReader'
    Target 'AsyncSequenceReader' in project 'AsyncSequenceReader' (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/WatchOS.platform/Developer/SDKs/WatchOS11.4.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
ReadFileContents /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/share/docc/features.json
Build description signature: e687093dae81dabc2c183c798a2efab1
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/e687093dae81dabc2c183c798a2efab1.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/WatchOS.platform/Developer/SDKs/WatchOS11.4.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos11.4-22T246-43efb940ff07ba2497b70ec94253f576.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/WatchOS.platform/Developer/SDKs/WatchOS11.4.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos11.4-22T246-43efb940ff07ba2497b70ec94253f576.sdkstatcache
SwiftDriver AsyncSequenceReader normal arm64_32 com.apple.xcode.tools.swift.compiler (in target 'AsyncSequenceReader' from project 'AsyncSequenceReader')
    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 AsyncSequenceReader -Onone -enforce-exclusivity\=checked @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/arm64_32/AsyncSequenceReader.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DXcode -enable-upcoming-feature ExistentialAny -enable-upcoming-feature InternalImportsByDefault -enable-upcoming-feature MemberImportVisibility -enable-upcoming-feature InferIsolatedConformances -enable-upcoming-feature NonisolatedNonsendingByDefault -enable-upcoming-feature ImmutableWeakCaptures -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/WatchOS.platform/Developer/SDKs/WatchOS11.4.sdk -target arm64_32-apple-watchos6.0 -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-watchos -I /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS11.4.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos11.4-22T246-43efb940ff07ba2497b70ec94253f576.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/arm64_32/AsyncSequenceReader-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/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/arm64_32/AsyncSequenceReader.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/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/arm64_32/AsyncSequenceReader_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/DerivedSources-normal/arm64_32 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/DerivedSources/arm64_32 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.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/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/arm64_32/AsyncSequenceReader-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftDriver AsyncSequenceReader normal arm64 com.apple.xcode.tools.swift.compiler (in target 'AsyncSequenceReader' from project 'AsyncSequenceReader')
    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 AsyncSequenceReader -Onone -enforce-exclusivity\=checked @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/arm64/AsyncSequenceReader.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DXcode -enable-upcoming-feature ExistentialAny -enable-upcoming-feature InternalImportsByDefault -enable-upcoming-feature MemberImportVisibility -enable-upcoming-feature InferIsolatedConformances -enable-upcoming-feature NonisolatedNonsendingByDefault -enable-upcoming-feature ImmutableWeakCaptures -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/WatchOS.platform/Developer/SDKs/WatchOS11.4.sdk -target arm64-apple-watchos6.0 -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-watchos -I /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS11.4.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos11.4-22T246-43efb940ff07ba2497b70ec94253f576.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/arm64/AsyncSequenceReader-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/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/arm64/AsyncSequenceReader.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/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/arm64/AsyncSequenceReader_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.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/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/arm64/AsyncSequenceReader-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftDriver AsyncSequenceReader normal armv7k com.apple.xcode.tools.swift.compiler (in target 'AsyncSequenceReader' from project 'AsyncSequenceReader')
    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 AsyncSequenceReader -Onone -enforce-exclusivity\=checked @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/armv7k/AsyncSequenceReader.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DXcode -enable-upcoming-feature ExistentialAny -enable-upcoming-feature InternalImportsByDefault -enable-upcoming-feature MemberImportVisibility -enable-upcoming-feature InferIsolatedConformances -enable-upcoming-feature NonisolatedNonsendingByDefault -enable-upcoming-feature ImmutableWeakCaptures -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/WatchOS.platform/Developer/SDKs/WatchOS11.4.sdk -target armv7k-apple-watchos6.0 -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-watchos -I /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS11.4.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos11.4-22T246-43efb940ff07ba2497b70ec94253f576.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/armv7k/AsyncSequenceReader-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/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/armv7k/AsyncSequenceReader.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/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/armv7k/AsyncSequenceReader_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/DerivedSources-normal/armv7k -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/DerivedSources/armv7k -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.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/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/armv7k/AsyncSequenceReader-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftEmitModule normal arm64_32 Emitting\ module\ for\ AsyncSequenceReader (in target 'AsyncSequenceReader' from project 'AsyncSequenceReader')
EmitSwiftModule normal arm64_32 (in target 'AsyncSequenceReader' from project 'AsyncSequenceReader')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64_32 Compiling\ AsyncIteratorMapSequence.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncSequenceReader/AsyncIteratorMapSequence.swift (in target 'AsyncSequenceReader' from project 'AsyncSequenceReader')
SwiftCompile normal arm64_32 /Users/admin/builder/spi-builder-workspace/Sources/AsyncSequenceReader/AsyncIteratorMapSequence.swift (in target 'AsyncSequenceReader' from project 'AsyncSequenceReader')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64_32 Compiling\ AsyncBufferedIterator.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncSequenceReader/AsyncBufferedIterator.swift (in target 'AsyncSequenceReader' from project 'AsyncSequenceReader')
SwiftCompile normal arm64_32 /Users/admin/builder/spi-builder-workspace/Sources/AsyncSequenceReader/AsyncBufferedIterator.swift (in target 'AsyncSequenceReader' from project 'AsyncSequenceReader')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64_32 Compiling\ AsyncReadUpToCountSequence.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncSequenceReader/AsyncReadUpToCountSequence.swift (in target 'AsyncSequenceReader' from project 'AsyncSequenceReader')
Please submit a bug report (https://swift.org/contributing/#reporting-bugs) and include the crash backtrace.
Stack dump:
0.	Program arguments: /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -frontend -c /Users/admin/builder/spi-builder-workspace/Sources/AsyncSequenceReader/AnyReadableSequence.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncSequenceReader/AsyncBufferedIterator.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncSequenceReader/AsyncIteratorMapSequence.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncSequenceReader/AsyncIteratorProtocol+Isolated.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncSequenceReader/AsyncReadSequence.swift -primary-file /Users/admin/builder/spi-builder-workspace/Sources/AsyncSequenceReader/AsyncReadUpToCountSequence.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncSequenceReader/AsyncReadUpToElementsSequence.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncSequenceReader/AsyncSequenceReader.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncSequenceReader/AsyncSequenceReaderError.swift -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/arm64_32/AsyncReadUpToCountSequence.d -emit-const-values-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/arm64_32/AsyncReadUpToCountSequence.swiftconstvalues -emit-reference-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/arm64_32/AsyncReadUpToCountSequence.swiftdeps -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/arm64_32/AsyncReadUpToCountSequence.dia -target arm64_32-apple-watchos6.0 -enable-objc-interop -sdk /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS11.4.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -I /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS11.4.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/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/arm64_32/AsyncSequenceReader_const_extract_protocols.json -enable-upcoming-feature ExistentialAny -enable-upcoming-feature InternalImportsByDefault -enable-upcoming-feature MemberImportVisibility -enable-upcoming-feature InferIsolatedConformances -enable-upcoming-feature NonisolatedNonsendingByDefault -enable-upcoming-feature ImmutableWeakCaptures -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/watchos11.4-22T246-43efb940ff07ba2497b70ec94253f576.sdkstatcache -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/swift-overrides.hmap -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/DerivedSources-normal/arm64_32 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/DerivedSources/arm64_32 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG=1 -module-name AsyncSequenceReader -package-name spi_builder_workspace -frontend-parseable-output -disable-clang-spi -target-sdk-version 11.4 -target-sdk-name watchos11.4 -external-plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib/swift/host/plugins#/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/bin/swift-plugin-server -external-plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/local/lib/swift/host/plugins#/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.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/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/arm64_32/AsyncReadUpToCountSequence.o -index-unit-output-path /AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/arm64_32/AsyncReadUpToCountSequence.o -index-store-path /Users/admin/builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -index-system-modules
1.	Apple Swift version 6.1 (swiftlang-6.1.0.110.21 clang-1700.0.13.3)
2.	Compiling with the current language version
3.	While evaluating request IRGenRequest(IR Generation for file "/Users/admin/builder/spi-builder-workspace/Sources/AsyncSequenceReader/AsyncReadUpToCountSequence.swift")
4.	While emitting IR SIL function "@$sScI19AsyncSequenceReaders5NeverO7FailureRtzrlE7collect9isolation_Say7ElementQzGSgScA_pSgYi_SitYaAA0abC5ErrorVYKF".
 for 'collect(isolation:_:)' (at /Users/admin/builder/spi-builder-workspace/Sources/AsyncSequenceReader/AsyncReadUpToCountSequence.swift:79:21)
Stack dump without symbol names (ensure you have llvm-symbolizer in your PATH or set the environment var `LLVM_SYMBOLIZER_PATH` to point to it):
0  swift-frontend           0x0000000106e6ac28 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) + 56
1  swift-frontend           0x0000000106e68a60 llvm::sys::RunSignalHandlers() + 112
2  swift-frontend           0x0000000106e6b264 SignalHandler(int) + 360
3  libsystem_platform.dylib 0x0000000191323624 _sigtramp + 56
4  swift-frontend           0x00000001010f79d0 (anonymous namespace)::AsyncCallEmission::setFromCallee() + 728
5  swift-frontend           0x00000001010f79d0 (anonymous namespace)::AsyncCallEmission::setFromCallee() + 728
6  swift-frontend           0x00000001010dd3c0 swift::irgen::getCallEmission(swift::irgen::IRGenFunction&, llvm::Value*, swift::irgen::Callee&&) + 888
7  swift-frontend           0x0000000101357888 (anonymous namespace)::IRGenSILFunction::visitFullApplySite(swift::FullApplySite) + 3268
8  swift-frontend           0x00000001013284e4 (anonymous namespace)::IRGenSILFunction::visitSILBasicBlock(swift::SILBasicBlock*) + 2636
9  swift-frontend           0x000000010132638c (anonymous namespace)::IRGenSILFunction::emitSILFunction() + 15860
10 swift-frontend           0x00000001013220e0 swift::irgen::IRGenModule::emitSILFunction(swift::SILFunction*) + 2788
11 swift-frontend           0x0000000101145560 swift::irgen::IRGenerator::emitGlobalTopLevel(std::__1::vector<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char>>, std::__1::allocator<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char>>>> const&) + 2044
12 swift-frontend           0x00000001012d39fc swift::IRGenRequest::evaluate(swift::Evaluator&, swift::IRGenDescriptor) const + 4296
13 swift-frontend           0x000000010132133c swift::SimpleRequest<swift::IRGenRequest, swift::GeneratedModule (swift::IRGenDescriptor), (swift::RequestFlags)17>::evaluateRequest(swift::IRGenRequest const&, swift::Evaluator&) + 180
14 swift-frontend           0x00000001012dcf28 swift::IRGenRequest::OutputType swift::Evaluator::getResultUncached<swift::IRGenRequest, swift::IRGenRequest::OutputType swift::evaluateOrFatal<swift::IRGenRequest>(swift::Evaluator&, swift::IRGenRequest)::'lambda'()>(swift::IRGenRequest const&, swift::IRGenRequest::OutputType swift::evaluateOrFatal<swift::IRGenRequest>(swift::Evaluator&, swift::IRGenRequest)::'lambda'()) + 812
15 swift-frontend           0x00000001012d6688 swift::performIRGeneration(swift::FileUnit*, swift::IRGenOptions const&, swift::TBDGenOptions const&, std::__1::unique_ptr<swift::SILModule, std::__1::default_delete<swift::SILModule>>, llvm::StringRef, swift::PrimarySpecificPaths const&, llvm::StringRef, llvm::GlobalVariable**) + 176
16 swift-frontend           0x0000000100cc1af0 generateIR(swift::IRGenOptions const&, swift::TBDGenOptions const&, std::__1::unique_ptr<swift::SILModule, std::__1::default_delete<swift::SILModule>>, swift::PrimarySpecificPaths const&, llvm::StringRef, llvm::PointerUnion<swift::ModuleDecl*, swift::SourceFile*>, llvm::GlobalVariable*&, llvm::ArrayRef<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char>>>) + 156
17 swift-frontend           0x0000000100cbd07c performCompileStepsPostSILGen(swift::CompilerInstance&, std::__1::unique_ptr<swift::SILModule, std::__1::default_delete<swift::SILModule>>, llvm::PointerUnion<swift::ModuleDecl*, swift::SourceFile*>, swift::PrimarySpecificPaths const&, int&, swift::FrontendObserver*) + 2108
18 swift-frontend           0x0000000100cbc0a8 swift::performCompileStepsPostSema(swift::CompilerInstance&, int&, swift::FrontendObserver*) + 1036
19 swift-frontend           0x0000000100cbf654 performCompile(swift::CompilerInstance&, int&, swift::FrontendObserver*) + 1764
20 swift-frontend           0x0000000100cbdfd8 swift::performFrontend(llvm::ArrayRef<char const*>, char const*, void*, swift::FrontendObserver*) + 3716
21 swift-frontend           0x0000000100c420bc swift::mainEntry(int, char const**) + 5428
22 dyld                     0x0000000190f4ab4c start + 6000
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/AsyncSequenceReader/AnyReadableSequence.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncSequenceReader/AsyncBufferedIterator.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncSequenceReader/AsyncIteratorMapSequence.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncSequenceReader/AsyncIteratorProtocol+Isolated.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncSequenceReader/AsyncReadSequence.swift -primary-file /Users/admin/builder/spi-builder-workspace/Sources/AsyncSequenceReader/AsyncReadUpToCountSequence.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncSequenceReader/AsyncReadUpToElementsSequence.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncSequenceReader/AsyncSequenceReader.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncSequenceReader/AsyncSequenceReaderError.swift -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/arm64_32/AsyncReadUpToCountSequence.d -emit-const-values-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/arm64_32/AsyncReadUpToCountSequence.swiftconstvalues -emit-reference-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/arm64_32/AsyncReadUpToCountSequence.swiftdeps -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/arm64_32/AsyncReadUpToCountSequence.dia -target arm64_32-apple-watchos6.0 -enable-objc-interop -sdk /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS11.4.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -I /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS11.4.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/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/arm64_32/AsyncSequenceReader_const_extract_protocols.json -enable-upcoming-feature ExistentialAny -enable-upcoming-feature InternalImportsByDefault -enable-upcoming-feature MemberImportVisibility -enable-upcoming-feature InferIsolatedConformances -enable-upcoming-feature NonisolatedNonsendingByDefault -enable-upcoming-feature ImmutableWeakCaptures -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/watchos11.4-22T246-43efb940ff07ba2497b70ec94253f576.sdkstatcache -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/swift-overrides.hmap -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/DerivedSources-normal/arm64_32 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/DerivedSources/arm64_32 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -module-name AsyncSequenceReader -package-name spi_builder_workspace -frontend-parseable-output -disable-clang-spi -target-sdk-version 11.4 -target-sdk-name watchos11.4 -external-plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib/swift/host/plugins\#/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/bin/swift-plugin-server -external-plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/local/lib/swift/host/plugins\#/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.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/AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/arm64_32/AsyncReadUpToCountSequence.o -index-unit-output-path /AsyncSequenceReader.build/Debug-watchos/AsyncSequenceReader.build/Objects-normal/arm64_32/AsyncReadUpToCountSequence.o -index-store-path /Users/admin/builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -index-system-modules
Command SwiftCompile failed with a nonzero exit code
SwiftCompile normal arm64_32 /Users/admin/builder/spi-builder-workspace/Sources/AsyncSequenceReader/AsyncReadUpToCountSequence.swift (in target 'AsyncSequenceReader' from project 'AsyncSequenceReader')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64_32 Compiling\ AsyncReadSequence.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncSequenceReader/AsyncReadSequence.swift (in target 'AsyncSequenceReader' from project 'AsyncSequenceReader')
SwiftCompile normal arm64_32 /Users/admin/builder/spi-builder-workspace/Sources/AsyncSequenceReader/AsyncReadSequence.swift (in target 'AsyncSequenceReader' from project 'AsyncSequenceReader')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftEmitModule normal armv7k Emitting\ module\ for\ AsyncSequenceReader (in target 'AsyncSequenceReader' from project 'AsyncSequenceReader')
EmitSwiftModule normal armv7k (in target 'AsyncSequenceReader' from project 'AsyncSequenceReader')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64_32 Compiling\ AsyncSequenceReaderError.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncSequenceReader/AsyncSequenceReaderError.swift (in target 'AsyncSequenceReader' from project 'AsyncSequenceReader')
SwiftCompile normal arm64_32 /Users/admin/builder/spi-builder-workspace/Sources/AsyncSequenceReader/AsyncSequenceReaderError.swift (in target 'AsyncSequenceReader' from project 'AsyncSequenceReader')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal armv7k Compiling\ AnyReadableSequence.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncSequenceReader/AnyReadableSequence.swift (in target 'AsyncSequenceReader' from project 'AsyncSequenceReader')
SwiftCompile normal armv7k /Users/admin/builder/spi-builder-workspace/Sources/AsyncSequenceReader/AnyReadableSequence.swift (in target 'AsyncSequenceReader' from project 'AsyncSequenceReader')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64_32 Compiling\ AsyncSequenceReader.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncSequenceReader/AsyncSequenceReader.swift (in target 'AsyncSequenceReader' from project 'AsyncSequenceReader')
SwiftCompile normal arm64_32 /Users/admin/builder/spi-builder-workspace/Sources/AsyncSequenceReader/AsyncSequenceReader.swift (in target 'AsyncSequenceReader' from project 'AsyncSequenceReader')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64_32 Compiling\ AnyReadableSequence.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncSequenceReader/AnyReadableSequence.swift (in target 'AsyncSequenceReader' from project 'AsyncSequenceReader')
SwiftCompile normal arm64_32 /Users/admin/builder/spi-builder-workspace/Sources/AsyncSequenceReader/AnyReadableSequence.swift (in target 'AsyncSequenceReader' from project 'AsyncSequenceReader')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftEmitModule normal arm64 Emitting\ module\ for\ AsyncSequenceReader (in target 'AsyncSequenceReader' from project 'AsyncSequenceReader')
Command SwiftEmitModule failed with a nonzero exit code
** BUILD FAILED **
The following build commands failed:
	SwiftCompile normal arm64_32 Compiling\ AsyncReadUpToCountSequence.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncSequenceReader/AsyncReadUpToCountSequence.swift (in target 'AsyncSequenceReader' from project 'AsyncSequenceReader')
	SwiftEmitModule normal arm64 Emitting\ module\ for\ AsyncSequenceReader (in target 'AsyncSequenceReader' from project 'AsyncSequenceReader')
	Building workspace spi-builder-workspace with scheme AsyncSequenceReader
(3 failures)
BUILD FAILURE 6.1 watchOS