Swift Package Index

Build Information

Failed to build AsyncLineReader, reference main (8db134), with Swift 6.4 for visionOS using Xcode 27.0 on 27 Sep 2026 17:07:54 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme AsyncLineReader-Package -destination generic/platform=xrOS

Build Log

========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/PADL/AsyncLineReader.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/PADL/AsyncLineReader
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 8db134e Stop the POSIX source the way setSource now expects
Cloned https://github.com/PADL/AsyncLineReader.git
Revision (git rev-parse @):
8db134e05a1ed5e000604e21b65476f60d89df35
SUCCESS checkout https://github.com/PADL/AsyncLineReader.git at main
========================================
Build
========================================
Selected platform:         visionOS
Swift version:             6.4
Building package at path:  $PWD
https://github.com/PADL/AsyncLineReader.git
Command line invocation:
    /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Resolve Package Graph
Resolved source packages:
  AsyncLineReader: /Users/admin/builder/spi-builder-workspace
resolved source packages: AsyncLineReader
2026-09-27 13:07:09.991 xcodebuild[529:3035] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "AsyncLineReader",
  "name" : "AsyncLineReader",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "15.0"
    }
  ],
  "products" : [
    {
      "name" : "AsyncLineReader",
      "targets" : [
        "AsyncLineReader"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "line-reader-demo",
      "targets" : [
        "line-reader-demo"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "line_reader_demo",
      "module_type" : "SwiftTarget",
      "name" : "line-reader-demo",
      "path" : "Sources/line-reader-demo",
      "product_memberships" : [
        "line-reader-demo"
      ],
      "sources" : [
        "Demo.swift"
      ],
      "target_dependencies" : [
        "AsyncLineReader"
      ],
      "type" : "executable"
    },
    {
      "c99name" : "AsyncLineReaderTests",
      "module_type" : "SwiftTarget",
      "name" : "AsyncLineReaderTests",
      "path" : "Tests/AsyncLineReaderTests",
      "sources" : [
        "AsyncLineReaderTests.swift"
      ],
      "target_dependencies" : [
        "AsyncLineReader"
      ],
      "type" : "test"
    },
    {
      "c99name" : "AsyncLineReader",
      "module_type" : "SwiftTarget",
      "name" : "AsyncLineReader",
      "path" : "Sources/AsyncLineReader",
      "product_memberships" : [
        "AsyncLineReader",
        "line-reader-demo"
      ],
      "sources" : [
        "ByteStream.swift",
        "History.swift",
        "HistoryFile.swift",
        "Key.swift",
        "LineBuffer.swift",
        "LineReader.swift",
        "Style.swift",
        "Terminal.swift",
        "WindowsConsole.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.0"
}
{
  "workspace" : {
    "name" : "AsyncLineReader",
    "schemes" : [
      "AsyncLineReader",
      "AsyncLineReader-Package",
      "line-reader-demo"
    ]
  }
}
2026-09-27 13:07:41.807 xcodebuild[626:3830] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
  "workspace" : {
    "name" : "AsyncLineReader",
    "schemes" : [
      "AsyncLineReader",
      "AsyncLineReader-Package",
      "line-reader-demo"
    ]
  }
}
2026-09-27 13:07:42.814 xcodebuild[628:3886] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme AsyncLineReader-Package -destination generic/platform=xrOS
Command line invocation:
    /Applications/Xcode-27.0.0-Release.Candidate.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 AsyncLineReader-Package -destination generic/platform=xrOS
Resolve Package Graph
Resolved source packages:
  AsyncLineReader: /Users/admin/builder/spi-builder-workspace
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (3 targets)
    Target 'line-reader-demo-product' in project 'AsyncLineReader'
        ➜ Explicit dependency on target 'AsyncLineReader' in project 'AsyncLineReader'
    Target 'AsyncLineReader-product' in project 'AsyncLineReader'
        ➜ Explicit dependency on target 'AsyncLineReader' in project 'AsyncLineReader'
    Target 'AsyncLineReader' in project 'AsyncLineReader' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS27.0.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: 9858401baaf07f169873fdd09f54e59a
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/9858401baaf07f169873fdd09f54e59a.xcbuilddata
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/CompilationCache.noindex
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/CompilationCache.noindex
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-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS27.0.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/xros27.0-24M361-e829b21a6f8c9b70876ba0858053c044735bd543db762f57723cac368afd1ce4.sdkstatcache
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS27.0.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/xros27.0-24M361-e829b21a6f8c9b70876ba0858053c044735bd543db762f57723cac368afd1ce4.sdkstatcache
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ExplicitPrecompiledModules
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ExplicitPrecompiledModules
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PrecompiledHeaders
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PrecompiledHeaders
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/EagerLinkingTBDs/Debug-xros
    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-xros
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros/PackageFrameworks
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros/PackageFrameworks
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncLineReader.build/Debug-xros/line-reader-demo-p.build/line-reader-demo.DependencyMetadataFileList (in target 'line-reader-demo-product' from project 'AsyncLineReader')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncLineReader.build/Debug-xros/line-reader-demo-p.build/line-reader-demo.DependencyMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncLineReader.build/Debug-xros/line-reader-demo-p.build/line-reader-demo.DependencyStaticMetadataFileList (in target 'line-reader-demo-product' from project 'AsyncLineReader')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncLineReader.build/Debug-xros/line-reader-demo-p.build/line-reader-demo.DependencyStaticMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncLineReader.build/Debug-xros/line-reader-demo-p.build/Objects-normal/arm64/line-reader-demo-OutputFileMap.json (in target 'line-reader-demo-product' from project 'AsyncLineReader')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncLineReader.build/Debug-xros/line-reader-demo-p.build/Objects-normal/arm64/line-reader-demo-OutputFileMap.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncLineReader.build/Debug-xros/line-reader-demo-p.build/Objects-normal/arm64/line-reader-demo.LinkFileList (in target 'line-reader-demo-product' from project 'AsyncLineReader')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncLineReader.build/Debug-xros/line-reader-demo-p.build/Objects-normal/arm64/line-reader-demo.LinkFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncLineReader.build/Debug-xros/line-reader-demo-p.build/Objects-normal/arm64/line-reader-demo.SwiftFileList (in target 'line-reader-demo-product' from project 'AsyncLineReader')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncLineReader.build/Debug-xros/line-reader-demo-p.build/Objects-normal/arm64/line-reader-demo.SwiftFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncLineReader.build/Debug-xros/line-reader-demo-p.build/Objects-normal/arm64/line-reader-demo_const_extract_protocols.json (in target 'line-reader-demo-product' from project 'AsyncLineReader')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncLineReader.build/Debug-xros/line-reader-demo-p.build/Objects-normal/arm64/line-reader-demo_const_extract_protocols.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncLineReader.build/Debug-xros/AsyncLineReader-t.build/Objects-normal/arm64/AsyncLineReader_const_extract_protocols.json (in target 'AsyncLineReader' from project 'AsyncLineReader')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncLineReader.build/Debug-xros/AsyncLineReader-t.build/Objects-normal/arm64/AsyncLineReader_const_extract_protocols.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncLineReader.build/Debug-xros/AsyncLineReader-t.build/Objects-normal/arm64/AsyncLineReader.SwiftFileList (in target 'AsyncLineReader' from project 'AsyncLineReader')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncLineReader.build/Debug-xros/AsyncLineReader-t.build/Objects-normal/arm64/AsyncLineReader.SwiftFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncLineReader.build/Debug-xros/AsyncLineReader-t.build/Objects-normal/arm64/AsyncLineReader.SwiftConstValuesFileList (in target 'AsyncLineReader' from project 'AsyncLineReader')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncLineReader.build/Debug-xros/AsyncLineReader-t.build/Objects-normal/arm64/AsyncLineReader.SwiftConstValuesFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncLineReader.build/Debug-xros/AsyncLineReader-t.build/Objects-normal/arm64/AsyncLineReader.LinkFileList (in target 'AsyncLineReader' from project 'AsyncLineReader')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncLineReader.build/Debug-xros/AsyncLineReader-t.build/Objects-normal/arm64/AsyncLineReader.LinkFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncLineReader.build/Debug-xros/AsyncLineReader-t.build/Objects-normal/arm64/AsyncLineReader-OutputFileMap.json (in target 'AsyncLineReader' from project 'AsyncLineReader')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncLineReader.build/Debug-xros/AsyncLineReader-t.build/Objects-normal/arm64/AsyncLineReader-OutputFileMap.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncLineReader.build/Debug-xros/AsyncLineReader-t.build/AsyncLineReader.modulemap (in target 'AsyncLineReader' from project 'AsyncLineReader')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncLineReader.build/Debug-xros/AsyncLineReader-t.build/AsyncLineReader.modulemap
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncLineReader.build/Debug-xros/AsyncLineReader-t.build/AsyncLineReader.DependencyMetadataFileList (in target 'AsyncLineReader' from project 'AsyncLineReader')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncLineReader.build/Debug-xros/AsyncLineReader-t.build/AsyncLineReader.DependencyMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncLineReader.build/Debug-xros/AsyncLineReader-t.build/AsyncLineReader.DependencyStaticMetadataFileList (in target 'AsyncLineReader' from project 'AsyncLineReader')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncLineReader.build/Debug-xros/AsyncLineReader-t.build/AsyncLineReader.DependencyStaticMetadataFileList
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-xros/AsyncLineReader.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncLineReader.build/Debug-xros/AsyncLineReader-t.build/AsyncLineReader.modulemap (in target 'AsyncLineReader' from project 'AsyncLineReader')
    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/AsyncLineReader.build/Debug-xros/AsyncLineReader-t.build/AsyncLineReader.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-xros
SwiftDriver AsyncLineReader normal arm64 com.apple.xcode.tools.swift.compiler (in target 'AsyncLineReader' from project 'AsyncLineReader')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftDriver -- /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -parse-as-library -module-name AsyncLineReader -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncLineReader.build/Debug-xros/AsyncLineReader-t.build/Objects-normal/arm64/AsyncLineReader.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -DXcode -enable-upcoming-feature NonisolatedNonsendingByDefault -plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS27.0.sdk -target arm64-apple-xros1.0 -g -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -Xfrontend -serialize-debugging-options -profile-coverage-mapping -profile-generate -enable-testing -index-store-path /Users/admin/builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -swift-version 6 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros -Isystem /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/Library/Frameworks -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS27.0.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/xros27.0-24M361-e829b21a6f8c9b70876ba0858053c044735bd543db762f57723cac368afd1ce4.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncLineReader.build/Debug-xros/AsyncLineReader-t.build/Objects-normal/arm64/AsyncLineReader-OutputFileMap.json -save-temps -no-color-diagnostics -explicit-module-build -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules -clang-scanner-module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -sdk-module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncLineReader.build/Debug-xros/AsyncLineReader-t.build/Objects-normal/arm64/AsyncLineReader.swiftmodule -serialize-diagnostics -dependency-scan-serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncLineReader.build/Debug-xros/AsyncLineReader-t.build/Objects-normal/arm64/AsyncLineReader-dependency-scan.dia -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -package-name spi_builder_workspace -emit-const-values -const-gather-protocols-list /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncLineReader.build/Debug-xros/AsyncLineReader-t.build/Objects-normal/arm64/AsyncLineReader_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncLineReader.build/Debug-xros/AsyncLineReader-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncLineReader.build/Debug-xros/AsyncLineReader-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncLineReader.build/Debug-xros/AsyncLineReader-t.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/AsyncLineReader.build/Debug-xros/AsyncLineReader-t.build/Objects-normal/arm64/AsyncLineReader-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_Builtin_stdbool-1Q6BTYNEVHC9M74WL5O5GJ1ZM.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/ptrauth-9Q1PN7OTQZN7B0Z9D7V7Q8UB1.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/SwiftShims-2HAZ94YF1BA79JLFTAIV7APMW.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_Builtin_float-1J8SO31WACP82RKV0LOTRKG39.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_Builtin_stddef-2IE0R9M96I5XG0WY72N2UIQ8V.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_Builtin_stdarg-62NPPE4D8O3BNLU35D74TGLVQ.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/ptrcheck-98Y8DWD0HPCMRMDFKAEZCA81O.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_SwiftConcurrencyShims-9H7TQT237JM0VTD7TXCR6CNM9.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_AvailabilityInternal-6BH9T8OE123ARKKFOJFR111NS.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_DarwinFoundation1-AVZIQZ8HOAUXTT5CXVE5TNG7E.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_Builtin_limits-599EXAY0E7DPK78D1JASUXYCQ.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_DarwinFoundation2-E0NXA4K8N3W3XTJG0EDH15WR2.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_Builtin_stdint-F1DLW8WMMSOC414RWOQWK8OS8.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/sys_types-A3BBS6FJZK4C974FRQ5ZCTND7.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/string_h-BGPLTZ4H9HACR813QKF6VS72D.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_DarwinFoundation3-C1P0SZMW1CBYZ1956G2WPAGVQ.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_Builtin_inttypes-9DU9NJC5HKVLIXJ97CZROETBU.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/Darwin-ET1KOXI5QIB2QZ81K0LJ5SCNP.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/ObjectiveC-7UYOWV2RO2CMEGURP3Y7WLPAT.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/os_object-A49MUZWNB60JKCX0NMFXESEZD.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/os_workgroup-1J3Q9ELSMX5271913GPIT75QV.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/Dispatch-7TDXDXPVVCZ0IQLPT2W4Z1AW3.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/CoreFoundation-5D49BF05JAG3T79HLXZS0QOEB.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/XPC-1U8J3QOEPI1JREQTBJYCK4Z2Z.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/CFNetwork-8XNJAT23SK5D0OET9NV9X387I.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/Security-4BDO3J0PXFNR7ZRKSDSXCO6IM.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/Foundation-48S9SVOOX01R4NP8KF0LJG57Z.pcm
SwiftCompile normal arm64 Compiling\ Terminal.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncLineReader/Terminal.swift (in target 'AsyncLineReader' from project 'AsyncLineReader')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/AsyncLineReader/Terminal.swift (in target 'AsyncLineReader' from project 'AsyncLineReader')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile Terminal.swift
SwiftEmitModule normal arm64 Emitting\ module\ for\ AsyncLineReader (in target 'AsyncLineReader' from project 'AsyncLineReader')
/Users/admin/builder/spi-builder-workspace/Sources/AsyncLineReader/ByteStream.swift:43:23: error: 'Mutex' is only available in visionOS 2.0 or newer
 32 | /// where the order would be decided by whichever hop ran first, and holding on to it here lets it
 33 | /// be stopped when the stream goes away.
 34 | final class Input: Sendable {
    |             `- note: add '@available' attribute to enclosing class
 35 |   private struct State {
 36 |     var bytes = [UInt8]()
    :
 41 |   }
 42 |
 43 |   private let state = Mutex(State())
    |                       `- error: 'Mutex' is only available in visionOS 2.0 or newer
 44 |
 45 |   func append(_ newBytes: [UInt8], isAtEnd: Bool) {
/Users/admin/builder/spi-builder-workspace/Sources/AsyncLineReader/ByteStream.swift:43:23: error: 'init(_:)' is only available in visionOS 2.0 or newer
 32 | /// where the order would be decided by whichever hop ran first, and holding on to it here lets it
 33 | /// be stopped when the stream goes away.
 34 | final class Input: Sendable {
    |             `- note: add '@available' attribute to enclosing class
 35 |   private struct State {
 36 |     var bytes = [UInt8]()
    :
 41 |   }
 42 |
 43 |   private let state = Mutex(State())
    |                       `- error: 'init(_:)' is only available in visionOS 2.0 or newer
 44 |
 45 |   func append(_ newBytes: [UInt8], isAtEnd: Bool) {
Failed frontend command:
/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /Users/admin/builder/spi-builder-workspace/Sources/AsyncLineReader/ByteStream.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncLineReader/History.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncLineReader/HistoryFile.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncLineReader/Key.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncLineReader/LineBuffer.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncLineReader/LineReader.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncLineReader/Style.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncLineReader/Terminal.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncLineReader/WindowsConsole.swift -target arm64-apple-xros1.0 -module-can-import-version Darwin 428.0.10 0 -disable-cross-import-overlay-search -swift-module-cross-import Darwin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS.sdk/usr/include/Darwin.swiftcrossimport/xlocale.swiftoverlay -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/lib/swift/host/plugins/libFoundationMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/bin/swift-plugin-server\#FoundationMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/lib/swift/host/plugins/libObservationMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/bin/swift-plugin-server\#ObservationMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/lib/swift/host/plugins/libSwiftMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/bin/swift-plugin-server\#SwiftMacros -disable-implicit-swift-modules -Xcc -fno-implicit-modules -Xcc -fno-implicit-module-maps -explicit-swift-module-map-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncLineReader.build/Debug-xros/AsyncLineReader-t.build/Objects-normal/arm64/AsyncLineReader-dependencies-1.json -Xllvm -aarch64-use-tbi -enable-objc-interop -stack-check -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS27.0.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros -Isystem /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/Library/Frameworks -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS27.0.sdk/Developer/Library/Frameworks -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules -no-color-diagnostics -Xcc -fno-color-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -profile-generate -profile-coverage-mapping -swift-version 6 -Onone -D SWIFT_PACKAGE -D DEBUG -D SWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -D Xcode -serialize-debugging-options -enable-upcoming-feature NonisolatedNonsendingByDefault -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -working-directory -Xcc /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -enable-anonymous-context-mangled-names -file-compilation-dir /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/xros27.0-24M361-e829b21a6f8c9b70876ba0858053c044735bd543db762f57723cac368afd1ce4.sdkstatcache -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncLineReader.build/Debug-xros/AsyncLineReader-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncLineReader.build/Debug-xros/AsyncLineReader-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncLineReader.build/Debug-xros/AsyncLineReader-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name AsyncLineReader -package-name spi_builder_workspace -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncLineReader.build/Debug-xros/AsyncLineReader-t.build/Objects-normal/arm64/AsyncLineReader_const_extract_protocols.json -disable-clang-spi -clang-target arm64-apple-xros27.0 -target-sdk-version 27.0 -target-sdk-name xros27.0 -in-process-plugin-server-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -emit-module-doc-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncLineReader.build/Debug-xros/AsyncLineReader-t.build/Objects-normal/arm64/AsyncLineReader.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncLineReader.build/Debug-xros/AsyncLineReader-t.build/Objects-normal/arm64/AsyncLineReader.swiftsourceinfo -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncLineReader.build/Debug-xros/AsyncLineReader-t.build/Objects-normal/arm64/AsyncLineReader-Swift.h -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncLineReader.build/Debug-xros/AsyncLineReader-t.build/Objects-normal/arm64/AsyncLineReader-primary-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncLineReader.build/Debug-xros/AsyncLineReader-t.build/Objects-normal/arm64/AsyncLineReader-primary-emit-module.d -parse-as-library -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncLineReader.build/Debug-xros/AsyncLineReader-t.build/Objects-normal/arm64/AsyncLineReader.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncLineReader.build/Debug-xros/AsyncLineReader-t.build/Objects-normal/arm64/AsyncLineReader.abi.json
SwiftCompile normal arm64 (in target 'AsyncLineReader' from project 'AsyncLineReader')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ WindowsConsole.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncLineReader/WindowsConsole.swift (in target 'AsyncLineReader' from project 'AsyncLineReader')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/AsyncLineReader/WindowsConsole.swift (in target 'AsyncLineReader' from project 'AsyncLineReader')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile WindowsConsole.swift
SwiftCompile normal arm64 Compiling\ LineReader.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncLineReader/LineReader.swift (in target 'AsyncLineReader' from project 'AsyncLineReader')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/AsyncLineReader/LineReader.swift (in target 'AsyncLineReader' from project 'AsyncLineReader')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile LineReader.swift
SwiftCompile normal arm64 Compiling\ Style.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncLineReader/Style.swift (in target 'AsyncLineReader' from project 'AsyncLineReader')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/AsyncLineReader/Style.swift (in target 'AsyncLineReader' from project 'AsyncLineReader')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile Style.swift
SwiftCompile normal arm64 Compiling\ HistoryFile.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncLineReader/HistoryFile.swift (in target 'AsyncLineReader' from project 'AsyncLineReader')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/AsyncLineReader/HistoryFile.swift (in target 'AsyncLineReader' from project 'AsyncLineReader')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile HistoryFile.swift
SwiftCompile normal arm64 Compiling\ Key.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncLineReader/Key.swift (in target 'AsyncLineReader' from project 'AsyncLineReader')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/AsyncLineReader/Key.swift (in target 'AsyncLineReader' from project 'AsyncLineReader')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile Key.swift
SwiftCompile normal arm64 Compiling\ LineBuffer.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncLineReader/LineBuffer.swift (in target 'AsyncLineReader' from project 'AsyncLineReader')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/AsyncLineReader/LineBuffer.swift (in target 'AsyncLineReader' from project 'AsyncLineReader')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile LineBuffer.swift
SwiftCompile normal arm64 Compiling\ History.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncLineReader/History.swift (in target 'AsyncLineReader' from project 'AsyncLineReader')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/AsyncLineReader/History.swift (in target 'AsyncLineReader' from project 'AsyncLineReader')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile History.swift
SwiftCompile normal arm64 Compiling\ ByteStream.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncLineReader/ByteStream.swift (in target 'AsyncLineReader' from project 'AsyncLineReader')
/Users/admin/builder/spi-builder-workspace/Sources/AsyncLineReader/ByteStream.swift:43:23: error: 'Mutex' is only available in visionOS 2.0 or newer
 32 | /// where the order would be decided by whichever hop ran first, and holding on to it here lets it
 33 | /// be stopped when the stream goes away.
 34 | final class Input: Sendable {
    |             `- note: add '@available' attribute to enclosing class
 35 |   private struct State {
 36 |     var bytes = [UInt8]()
    :
 41 |   }
 42 |
 43 |   private let state = Mutex(State())
    |                       `- error: 'Mutex' is only available in visionOS 2.0 or newer
 44 |
 45 |   func append(_ newBytes: [UInt8], isAtEnd: Bool) {
/Users/admin/builder/spi-builder-workspace/Sources/AsyncLineReader/ByteStream.swift:43:23: error: 'init(_:)' is only available in visionOS 2.0 or newer
 32 | /// where the order would be decided by whichever hop ran first, and holding on to it here lets it
 33 | /// be stopped when the stream goes away.
 34 | final class Input: Sendable {
    |             `- note: add '@available' attribute to enclosing class
 35 |   private struct State {
 36 |     var bytes = [UInt8]()
    :
 41 |   }
 42 |
 43 |   private let state = Mutex(State())
    |                       `- error: 'init(_:)' is only available in visionOS 2.0 or newer
 44 |
 45 |   func append(_ newBytes: [UInt8], isAtEnd: Bool) {
/Users/admin/builder/spi-builder-workspace/Sources/AsyncLineReader/ByteStream.swift:46:11: error: 'withLock' is only available in visionOS 2.0 or newer
 32 | /// where the order would be decided by whichever hop ran first, and holding on to it here lets it
 33 | /// be stopped when the stream goes away.
 34 | final class Input: Sendable {
    |             `- note: add '@available' attribute to enclosing class
 35 |   private struct State {
 36 |     var bytes = [UInt8]()
    :
 43 |   private let state = Mutex(State())
 44 |
 45 |   func append(_ newBytes: [UInt8], isAtEnd: Bool) {
    |        `- note: add '@available' attribute to enclosing instance method
 46 |     state.withLock {
    |           |- error: 'withLock' is only available in visionOS 2.0 or newer
    |           `- note: add 'if #available' version check
 47 |       $0.bytes.append(contentsOf: newBytes)
 48 |       $0.isAtEnd = $0.isAtEnd || isAtEnd
/Users/admin/builder/spi-builder-workspace/Sources/AsyncLineReader/ByteStream.swift:54:11: error: 'withLock' is only available in visionOS 2.0 or newer
 32 | /// where the order would be decided by whichever hop ran first, and holding on to it here lets it
 33 | /// be stopped when the stream goes away.
 34 | final class Input: Sendable {
    |             `- note: add '@available' attribute to enclosing class
 35 |   private struct State {
 36 |     var bytes = [UInt8]()
    :
 51 |
 52 |   /// Takes everything read so far. End of file is reported once, like the bytes are.
 53 |   func take() -> (bytes: [UInt8], isAtEnd: Bool) {
    |        `- note: add '@available' attribute to enclosing instance method
 54 |     state.withLock { state in
    |           |- error: 'withLock' is only available in visionOS 2.0 or newer
    |           `- note: add 'if #available' version check
 55 |       let taken = (state.bytes, state.isAtEnd)
 56 |       state.bytes = []
/Users/admin/builder/spi-builder-workspace/Sources/AsyncLineReader/ByteStream.swift:63:11: error: 'withLock' is only available in visionOS 2.0 or newer
 32 | /// where the order would be decided by whichever hop ran first, and holding on to it here lets it
 33 | /// be stopped when the stream goes away.
 34 | final class Input: Sendable {
    |             `- note: add '@available' attribute to enclosing class
 35 |   private struct State {
 36 |     var bytes = [UInt8]()
    :
 60 |   }
 61 |
 62 |   func discard() {
    |        `- note: add '@available' attribute to enclosing instance method
 63 |     state.withLock { $0.bytes = [] }
    |           |- error: 'withLock' is only available in visionOS 2.0 or newer
    |           `- note: add 'if #available' version check
 64 |   }
 65 |
/Users/admin/builder/spi-builder-workspace/Sources/AsyncLineReader/ByteStream.swift:68:11: error: 'withLock' is only available in visionOS 2.0 or newer
 32 | /// where the order would be decided by whichever hop ran first, and holding on to it here lets it
 33 | /// be stopped when the stream goes away.
 34 | final class Input: Sendable {
    |             `- note: add '@available' attribute to enclosing class
 35 |   private struct State {
 36 |     var bytes = [UInt8]()
    :
 65 |
 66 |   /// Holds on to the reader, by way of what stops it.
 67 |   func setSource(_ stop: (@Sendable () -> Void)?) {
    |        `- note: add '@available' attribute to enclosing instance method
 68 |     state.withLock { $0.stop = stop }
    |           |- error: 'withLock' is only available in visionOS 2.0 or newer
    |           `- note: add 'if #available' version check
 69 |   }
 70 |
/Users/admin/builder/spi-builder-workspace/Sources/AsyncLineReader/ByteStream.swift:72:27: error: 'withLock' is only available in visionOS 2.0 or newer
 32 | /// where the order would be decided by whichever hop ran first, and holding on to it here lets it
 33 | /// be stopped when the stream goes away.
 34 | final class Input: Sendable {
    |             `- note: add '@available' attribute to enclosing class
 35 |   private struct State {
 36 |     var bytes = [UInt8]()
    :
 69 |   }
 70 |
 71 |   func cancelSource() {
    |        `- note: add '@available' attribute to enclosing instance method
 72 |     let hadSource = state.withLock { state -> Bool in
    |                           |- error: 'withLock' is only available in visionOS 2.0 or newer
    |                           `- note: add 'if #available' version check
 73 |       let stop = state.stop
 74 |       state.stop = nil
/Users/admin/builder/spi-builder-workspace/Sources/AsyncLineReader/ByteStream.swift:86:24: error: 'withLock' is only available in visionOS 2.0 or newer
 32 | /// where the order would be decided by whichever hop ran first, and holding on to it here lets it
 33 | /// be stopped when the stream goes away.
 34 | final class Input: Sendable {
    |             `- note: add '@available' attribute to enclosing class
 35 |   private struct State {
 36 |     var bytes = [UInt8]()
    :
 83 |   /// Called when the dispatch source has stopped for good and the descriptor is nobody's but
 84 |   /// ours again.
 85 |   func sourceDidStop() {
    |        `- note: add '@available' attribute to enclosing instance method
 86 |     let waiter = state.withLock { state -> CheckedContinuation<(), Never>? in
    |                        |- error: 'withLock' is only available in visionOS 2.0 or newer
    |                        `- note: add 'if #available' version check
 87 |       state.hasStopped = true
 88 |       let waiter = state.stopWaiter
/Users/admin/builder/spi-builder-workspace/Sources/AsyncLineReader/ByteStream.swift:98:29: error: 'withLock' is only available in visionOS 2.0 or newer
 32 | /// where the order would be decided by whichever hop ran first, and holding on to it here lets it
 33 | /// be stopped when the stream goes away.
 34 | final class Input: Sendable {
    |             `- note: add '@available' attribute to enclosing class
 35 |   private struct State {
 36 |     var bytes = [UInt8]()
    :
 94 |
 95 |   /// Waits for that to have happened.
 96 |   func waitUntilStopped() async {
    |        `- note: add '@available' attribute to enclosing instance method
 97 |     await withCheckedContinuation { continuation in
 98 |       let resumeNow = state.withLock { state -> Bool in
    |                             |- error: 'withLock' is only available in visionOS 2.0 or newer
    |                             `- note: add 'if #available' version check
 99 |         guard !state.hasStopped else { return true }
100 |         state.stopWaiter = continuation
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/AsyncLineReader/ByteStream.swift (in target 'AsyncLineReader' from project 'AsyncLineReader')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile ByteStream.swift
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ExplicitPrecompiledModules
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules
2026-09-27 13:07:44.406 xcodebuild[629:3911] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
** BUILD FAILED **
The following build commands failed:
	SwiftEmitModule normal arm64 Emitting\ module\ for\ AsyncLineReader (in target 'AsyncLineReader' from project 'AsyncLineReader')
	SwiftCompile normal arm64 (in target 'AsyncLineReader' from project 'AsyncLineReader')
	Building workspace AsyncLineReader with scheme AsyncLineReader-Package
(3 failures)
Command line invocation:
    /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Resolved source packages:
  AsyncLineReader: /Users/admin/builder/spi-builder-workspace
resolved source packages: AsyncLineReader
2026-09-27 13:07:50.465 xcodebuild[711:4345] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "AsyncLineReader",
  "name" : "AsyncLineReader",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "15.0"
    }
  ],
  "products" : [
    {
      "name" : "AsyncLineReader",
      "targets" : [
        "AsyncLineReader"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "line-reader-demo",
      "targets" : [
        "line-reader-demo"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "line_reader_demo",
      "module_type" : "SwiftTarget",
      "name" : "line-reader-demo",
      "path" : "Sources/line-reader-demo",
      "product_memberships" : [
        "line-reader-demo"
      ],
      "sources" : [
        "Demo.swift"
      ],
      "target_dependencies" : [
        "AsyncLineReader"
      ],
      "type" : "executable"
    },
    {
      "c99name" : "AsyncLineReaderTests",
      "module_type" : "SwiftTarget",
      "name" : "AsyncLineReaderTests",
      "path" : "Tests/AsyncLineReaderTests",
      "sources" : [
        "AsyncLineReaderTests.swift"
      ],
      "target_dependencies" : [
        "AsyncLineReader"
      ],
      "type" : "test"
    },
    {
      "c99name" : "AsyncLineReader",
      "module_type" : "SwiftTarget",
      "name" : "AsyncLineReader",
      "path" : "Sources/AsyncLineReader",
      "product_memberships" : [
        "AsyncLineReader",
        "line-reader-demo"
      ],
      "sources" : [
        "ByteStream.swift",
        "History.swift",
        "HistoryFile.swift",
        "Key.swift",
        "LineBuffer.swift",
        "LineReader.swift",
        "Style.swift",
        "Terminal.swift",
        "WindowsConsole.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.0"
}
{
  "workspace" : {
    "name" : "AsyncLineReader",
    "schemes" : [
      "AsyncLineReader",
      "AsyncLineReader-Package",
      "line-reader-demo"
    ]
  }
}
2026-09-27 13:07:51.777 xcodebuild[719:4409] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
  "workspace" : {
    "name" : "AsyncLineReader",
    "schemes" : [
      "AsyncLineReader",
      "AsyncLineReader-Package",
      "line-reader-demo"
    ]
  }
}
2026-09-27 13:07:52.779 xcodebuild[721:4441] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme AsyncLineReader-Package -destination generic/platform=xrOS
Command line invocation:
    /Applications/Xcode-27.0.0-Release.Candidate.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 AsyncLineReader-Package -destination generic/platform=xrOS
Resolve Package Graph
Resolved source packages:
  AsyncLineReader: /Users/admin/builder/spi-builder-workspace
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (3 targets)
    Target 'line-reader-demo-product' in project 'AsyncLineReader'
        ➜ Explicit dependency on target 'AsyncLineReader' in project 'AsyncLineReader'
    Target 'AsyncLineReader-product' in project 'AsyncLineReader'
        ➜ Explicit dependency on target 'AsyncLineReader' in project 'AsyncLineReader'
    Target 'AsyncLineReader' in project 'AsyncLineReader' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ClangStatCache /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS27.0.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/xros27.0-24M361-e829b21a6f8c9b70876ba0858053c044735bd543db762f57723cac368afd1ce4.sdkstatcache
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS27.0.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/xros27.0-24M361-e829b21a6f8c9b70876ba0858053c044735bd543db762f57723cac368afd1ce4.sdkstatcache
SwiftDriver AsyncLineReader normal arm64 com.apple.xcode.tools.swift.compiler (in target 'AsyncLineReader' from project 'AsyncLineReader')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftDriver -- /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -parse-as-library -module-name AsyncLineReader -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncLineReader.build/Debug-xros/AsyncLineReader-t.build/Objects-normal/arm64/AsyncLineReader.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -DXcode -enable-upcoming-feature NonisolatedNonsendingByDefault -plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS27.0.sdk -target arm64-apple-xros1.0 -g -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -Xfrontend -serialize-debugging-options -profile-coverage-mapping -profile-generate -enable-testing -index-store-path /Users/admin/builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -swift-version 6 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros -Isystem /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/Library/Frameworks -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS27.0.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/xros27.0-24M361-e829b21a6f8c9b70876ba0858053c044735bd543db762f57723cac368afd1ce4.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncLineReader.build/Debug-xros/AsyncLineReader-t.build/Objects-normal/arm64/AsyncLineReader-OutputFileMap.json -save-temps -no-color-diagnostics -explicit-module-build -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules -clang-scanner-module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -sdk-module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncLineReader.build/Debug-xros/AsyncLineReader-t.build/Objects-normal/arm64/AsyncLineReader.swiftmodule -serialize-diagnostics -dependency-scan-serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncLineReader.build/Debug-xros/AsyncLineReader-t.build/Objects-normal/arm64/AsyncLineReader-dependency-scan.dia -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -package-name spi_builder_workspace -emit-const-values -const-gather-protocols-list /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncLineReader.build/Debug-xros/AsyncLineReader-t.build/Objects-normal/arm64/AsyncLineReader_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncLineReader.build/Debug-xros/AsyncLineReader-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncLineReader.build/Debug-xros/AsyncLineReader-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncLineReader.build/Debug-xros/AsyncLineReader-t.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/AsyncLineReader.build/Debug-xros/AsyncLineReader-t.build/Objects-normal/arm64/AsyncLineReader-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftCompile normal arm64 Compiling\ History.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncLineReader/History.swift (in target 'AsyncLineReader' from project 'AsyncLineReader')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/AsyncLineReader/History.swift (in target 'AsyncLineReader' from project 'AsyncLineReader')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile History.swift
SwiftCompile normal arm64 Compiling\ LineReader.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncLineReader/LineReader.swift (in target 'AsyncLineReader' from project 'AsyncLineReader')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/AsyncLineReader/LineReader.swift (in target 'AsyncLineReader' from project 'AsyncLineReader')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile LineReader.swift
SwiftCompile normal arm64 Compiling\ Style.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncLineReader/Style.swift (in target 'AsyncLineReader' from project 'AsyncLineReader')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/AsyncLineReader/Style.swift (in target 'AsyncLineReader' from project 'AsyncLineReader')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile Style.swift
SwiftEmitModule normal arm64 Emitting\ module\ for\ AsyncLineReader (in target 'AsyncLineReader' from project 'AsyncLineReader')
/Users/admin/builder/spi-builder-workspace/Sources/AsyncLineReader/ByteStream.swift:43:23: error: 'Mutex' is only available in visionOS 2.0 or newer
 32 | /// where the order would be decided by whichever hop ran first, and holding on to it here lets it
 33 | /// be stopped when the stream goes away.
 34 | final class Input: Sendable {
    |             `- note: add '@available' attribute to enclosing class
 35 |   private struct State {
 36 |     var bytes = [UInt8]()
    :
 41 |   }
 42 |
 43 |   private let state = Mutex(State())
    |                       `- error: 'Mutex' is only available in visionOS 2.0 or newer
 44 |
 45 |   func append(_ newBytes: [UInt8], isAtEnd: Bool) {
/Users/admin/builder/spi-builder-workspace/Sources/AsyncLineReader/ByteStream.swift:43:23: error: 'init(_:)' is only available in visionOS 2.0 or newer
 32 | /// where the order would be decided by whichever hop ran first, and holding on to it here lets it
 33 | /// be stopped when the stream goes away.
 34 | final class Input: Sendable {
    |             `- note: add '@available' attribute to enclosing class
 35 |   private struct State {
 36 |     var bytes = [UInt8]()
    :
 41 |   }
 42 |
 43 |   private let state = Mutex(State())
    |                       `- error: 'init(_:)' is only available in visionOS 2.0 or newer
 44 |
 45 |   func append(_ newBytes: [UInt8], isAtEnd: Bool) {
Failed frontend command:
/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /Users/admin/builder/spi-builder-workspace/Sources/AsyncLineReader/ByteStream.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncLineReader/History.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncLineReader/HistoryFile.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncLineReader/Key.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncLineReader/LineBuffer.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncLineReader/LineReader.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncLineReader/Style.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncLineReader/Terminal.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncLineReader/WindowsConsole.swift -target arm64-apple-xros1.0 -module-can-import-version Darwin 428.0.10 0 -disable-cross-import-overlay-search -swift-module-cross-import Darwin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS.sdk/usr/include/Darwin.swiftcrossimport/xlocale.swiftoverlay -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/lib/swift/host/plugins/libFoundationMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/bin/swift-plugin-server\#FoundationMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/lib/swift/host/plugins/libObservationMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/bin/swift-plugin-server\#ObservationMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/lib/swift/host/plugins/libSwiftMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/bin/swift-plugin-server\#SwiftMacros -disable-implicit-swift-modules -Xcc -fno-implicit-modules -Xcc -fno-implicit-module-maps -explicit-swift-module-map-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncLineReader.build/Debug-xros/AsyncLineReader-t.build/Objects-normal/arm64/AsyncLineReader-dependencies-1.json -Xllvm -aarch64-use-tbi -enable-objc-interop -stack-check -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS27.0.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros -Isystem /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/Library/Frameworks -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS27.0.sdk/Developer/Library/Frameworks -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules -no-color-diagnostics -Xcc -fno-color-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -profile-generate -profile-coverage-mapping -swift-version 6 -Onone -D SWIFT_PACKAGE -D DEBUG -D SWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -D Xcode -serialize-debugging-options -enable-upcoming-feature NonisolatedNonsendingByDefault -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -working-directory -Xcc /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -enable-anonymous-context-mangled-names -file-compilation-dir /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/xros27.0-24M361-e829b21a6f8c9b70876ba0858053c044735bd543db762f57723cac368afd1ce4.sdkstatcache -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncLineReader.build/Debug-xros/AsyncLineReader-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncLineReader.build/Debug-xros/AsyncLineReader-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncLineReader.build/Debug-xros/AsyncLineReader-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name AsyncLineReader -package-name spi_builder_workspace -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncLineReader.build/Debug-xros/AsyncLineReader-t.build/Objects-normal/arm64/AsyncLineReader_const_extract_protocols.json -disable-clang-spi -clang-target arm64-apple-xros27.0 -target-sdk-version 27.0 -target-sdk-name xros27.0 -in-process-plugin-server-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -emit-module-doc-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncLineReader.build/Debug-xros/AsyncLineReader-t.build/Objects-normal/arm64/AsyncLineReader.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncLineReader.build/Debug-xros/AsyncLineReader-t.build/Objects-normal/arm64/AsyncLineReader.swiftsourceinfo -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncLineReader.build/Debug-xros/AsyncLineReader-t.build/Objects-normal/arm64/AsyncLineReader-Swift.h -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncLineReader.build/Debug-xros/AsyncLineReader-t.build/Objects-normal/arm64/AsyncLineReader-primary-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncLineReader.build/Debug-xros/AsyncLineReader-t.build/Objects-normal/arm64/AsyncLineReader-primary-emit-module.d -parse-as-library -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncLineReader.build/Debug-xros/AsyncLineReader-t.build/Objects-normal/arm64/AsyncLineReader.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/AsyncLineReader.build/Debug-xros/AsyncLineReader-t.build/Objects-normal/arm64/AsyncLineReader.abi.json
SwiftCompile normal arm64 (in target 'AsyncLineReader' from project 'AsyncLineReader')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ LineBuffer.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncLineReader/LineBuffer.swift (in target 'AsyncLineReader' from project 'AsyncLineReader')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/AsyncLineReader/LineBuffer.swift (in target 'AsyncLineReader' from project 'AsyncLineReader')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile LineBuffer.swift
SwiftCompile normal arm64 Compiling\ ByteStream.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncLineReader/ByteStream.swift (in target 'AsyncLineReader' from project 'AsyncLineReader')
/Users/admin/builder/spi-builder-workspace/Sources/AsyncLineReader/ByteStream.swift:43:23: error: 'Mutex' is only available in visionOS 2.0 or newer
 32 | /// where the order would be decided by whichever hop ran first, and holding on to it here lets it
 33 | /// be stopped when the stream goes away.
 34 | final class Input: Sendable {
    |             `- note: add '@available' attribute to enclosing class
 35 |   private struct State {
 36 |     var bytes = [UInt8]()
    :
 41 |   }
 42 |
 43 |   private let state = Mutex(State())
    |                       `- error: 'Mutex' is only available in visionOS 2.0 or newer
 44 |
 45 |   func append(_ newBytes: [UInt8], isAtEnd: Bool) {
/Users/admin/builder/spi-builder-workspace/Sources/AsyncLineReader/ByteStream.swift:43:23: error: 'init(_:)' is only available in visionOS 2.0 or newer
 32 | /// where the order would be decided by whichever hop ran first, and holding on to it here lets it
 33 | /// be stopped when the stream goes away.
 34 | final class Input: Sendable {
    |             `- note: add '@available' attribute to enclosing class
 35 |   private struct State {
 36 |     var bytes = [UInt8]()
    :
 41 |   }
 42 |
 43 |   private let state = Mutex(State())
    |                       `- error: 'init(_:)' is only available in visionOS 2.0 or newer
 44 |
 45 |   func append(_ newBytes: [UInt8], isAtEnd: Bool) {
/Users/admin/builder/spi-builder-workspace/Sources/AsyncLineReader/ByteStream.swift:46:11: error: 'withLock' is only available in visionOS 2.0 or newer
 32 | /// where the order would be decided by whichever hop ran first, and holding on to it here lets it
 33 | /// be stopped when the stream goes away.
 34 | final class Input: Sendable {
    |             `- note: add '@available' attribute to enclosing class
 35 |   private struct State {
 36 |     var bytes = [UInt8]()
    :
 43 |   private let state = Mutex(State())
 44 |
 45 |   func append(_ newBytes: [UInt8], isAtEnd: Bool) {
    |        `- note: add '@available' attribute to enclosing instance method
 46 |     state.withLock {
    |           |- error: 'withLock' is only available in visionOS 2.0 or newer
    |           `- note: add 'if #available' version check
 47 |       $0.bytes.append(contentsOf: newBytes)
 48 |       $0.isAtEnd = $0.isAtEnd || isAtEnd
/Users/admin/builder/spi-builder-workspace/Sources/AsyncLineReader/ByteStream.swift:54:11: error: 'withLock' is only available in visionOS 2.0 or newer
 32 | /// where the order would be decided by whichever hop ran first, and holding on to it here lets it
 33 | /// be stopped when the stream goes away.
 34 | final class Input: Sendable {
    |             `- note: add '@available' attribute to enclosing class
 35 |   private struct State {
 36 |     var bytes = [UInt8]()
    :
 51 |
 52 |   /// Takes everything read so far. End of file is reported once, like the bytes are.
 53 |   func take() -> (bytes: [UInt8], isAtEnd: Bool) {
    |        `- note: add '@available' attribute to enclosing instance method
 54 |     state.withLock { state in
    |           |- error: 'withLock' is only available in visionOS 2.0 or newer
    |           `- note: add 'if #available' version check
 55 |       let taken = (state.bytes, state.isAtEnd)
 56 |       state.bytes = []
/Users/admin/builder/spi-builder-workspace/Sources/AsyncLineReader/ByteStream.swift:63:11: error: 'withLock' is only available in visionOS 2.0 or newer
 32 | /// where the order would be decided by whichever hop ran first, and holding on to it here lets it
 33 | /// be stopped when the stream goes away.
 34 | final class Input: Sendable {
    |             `- note: add '@available' attribute to enclosing class
 35 |   private struct State {
 36 |     var bytes = [UInt8]()
    :
 60 |   }
 61 |
 62 |   func discard() {
    |        `- note: add '@available' attribute to enclosing instance method
 63 |     state.withLock { $0.bytes = [] }
    |           |- error: 'withLock' is only available in visionOS 2.0 or newer
    |           `- note: add 'if #available' version check
 64 |   }
 65 |
/Users/admin/builder/spi-builder-workspace/Sources/AsyncLineReader/ByteStream.swift:68:11: error: 'withLock' is only available in visionOS 2.0 or newer
 32 | /// where the order would be decided by whichever hop ran first, and holding on to it here lets it
 33 | /// be stopped when the stream goes away.
 34 | final class Input: Sendable {
    |             `- note: add '@available' attribute to enclosing class
 35 |   private struct State {
 36 |     var bytes = [UInt8]()
    :
 65 |
 66 |   /// Holds on to the reader, by way of what stops it.
 67 |   func setSource(_ stop: (@Sendable () -> Void)?) {
    |        `- note: add '@available' attribute to enclosing instance method
 68 |     state.withLock { $0.stop = stop }
    |           |- error: 'withLock' is only available in visionOS 2.0 or newer
    |           `- note: add 'if #available' version check
 69 |   }
 70 |
/Users/admin/builder/spi-builder-workspace/Sources/AsyncLineReader/ByteStream.swift:72:27: error: 'withLock' is only available in visionOS 2.0 or newer
 32 | /// where the order would be decided by whichever hop ran first, and holding on to it here lets it
 33 | /// be stopped when the stream goes away.
 34 | final class Input: Sendable {
    |             `- note: add '@available' attribute to enclosing class
 35 |   private struct State {
 36 |     var bytes = [UInt8]()
    :
 69 |   }
 70 |
 71 |   func cancelSource() {
    |        `- note: add '@available' attribute to enclosing instance method
 72 |     let hadSource = state.withLock { state -> Bool in
    |                           |- error: 'withLock' is only available in visionOS 2.0 or newer
    |                           `- note: add 'if #available' version check
 73 |       let stop = state.stop
 74 |       state.stop = nil
/Users/admin/builder/spi-builder-workspace/Sources/AsyncLineReader/ByteStream.swift:86:24: error: 'withLock' is only available in visionOS 2.0 or newer
 32 | /// where the order would be decided by whichever hop ran first, and holding on to it here lets it
 33 | /// be stopped when the stream goes away.
 34 | final class Input: Sendable {
    |             `- note: add '@available' attribute to enclosing class
 35 |   private struct State {
 36 |     var bytes = [UInt8]()
    :
 83 |   /// Called when the dispatch source has stopped for good and the descriptor is nobody's but
 84 |   /// ours again.
 85 |   func sourceDidStop() {
    |        `- note: add '@available' attribute to enclosing instance method
 86 |     let waiter = state.withLock { state -> CheckedContinuation<(), Never>? in
    |                        |- error: 'withLock' is only available in visionOS 2.0 or newer
    |                        `- note: add 'if #available' version check
 87 |       state.hasStopped = true
 88 |       let waiter = state.stopWaiter
/Users/admin/builder/spi-builder-workspace/Sources/AsyncLineReader/ByteStream.swift:98:29: error: 'withLock' is only available in visionOS 2.0 or newer
 32 | /// where the order would be decided by whichever hop ran first, and holding on to it here lets it
 33 | /// be stopped when the stream goes away.
 34 | final class Input: Sendable {
    |             `- note: add '@available' attribute to enclosing class
 35 |   private struct State {
 36 |     var bytes = [UInt8]()
    :
 94 |
 95 |   /// Waits for that to have happened.
 96 |   func waitUntilStopped() async {
    |        `- note: add '@available' attribute to enclosing instance method
 97 |     await withCheckedContinuation { continuation in
 98 |       let resumeNow = state.withLock { state -> Bool in
    |                             |- error: 'withLock' is only available in visionOS 2.0 or newer
    |                             `- note: add 'if #available' version check
 99 |         guard !state.hasStopped else { return true }
100 |         state.stopWaiter = continuation
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/AsyncLineReader/ByteStream.swift (in target 'AsyncLineReader' from project 'AsyncLineReader')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile ByteStream.swift
SwiftCompile normal arm64 Compiling\ Terminal.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncLineReader/Terminal.swift (in target 'AsyncLineReader' from project 'AsyncLineReader')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/AsyncLineReader/Terminal.swift (in target 'AsyncLineReader' from project 'AsyncLineReader')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile Terminal.swift
SwiftCompile normal arm64 Compiling\ HistoryFile.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncLineReader/HistoryFile.swift (in target 'AsyncLineReader' from project 'AsyncLineReader')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/AsyncLineReader/HistoryFile.swift (in target 'AsyncLineReader' from project 'AsyncLineReader')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile HistoryFile.swift
SwiftCompile normal arm64 Compiling\ Key.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncLineReader/Key.swift (in target 'AsyncLineReader' from project 'AsyncLineReader')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/AsyncLineReader/Key.swift (in target 'AsyncLineReader' from project 'AsyncLineReader')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile Key.swift
SwiftCompile normal arm64 Compiling\ WindowsConsole.swift /Users/admin/builder/spi-builder-workspace/Sources/AsyncLineReader/WindowsConsole.swift (in target 'AsyncLineReader' from project 'AsyncLineReader')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/AsyncLineReader/WindowsConsole.swift (in target 'AsyncLineReader' from project 'AsyncLineReader')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile WindowsConsole.swift
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ExplicitPrecompiledModules
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules
2026-09-27 13:07:53.745 xcodebuild[722:4472] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
** BUILD FAILED **
The following build commands failed:
	SwiftEmitModule normal arm64 Emitting\ module\ for\ AsyncLineReader (in target 'AsyncLineReader' from project 'AsyncLineReader')
	SwiftCompile normal arm64 (in target 'AsyncLineReader' from project 'AsyncLineReader')
	Building workspace AsyncLineReader with scheme AsyncLineReader-Package
(3 failures)
BUILD FAILURE 6.4 visionOS