Swift Package Index

Build Information

Failed to build SwiftWebSocket, reference main (7a75ef), with Swift 6.4 for iOS using Xcode 27.0 on 23 Sep 2026 06:54:53 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 SwiftWebSocket -destination generic/platform=iOS

Build Log

========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/wvteijlingen/swift-websocket.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/wvteijlingen/swift-websocket
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 7a75ef3 Enhance README
Cloned https://github.com/wvteijlingen/swift-websocket.git
Revision (git rev-parse @):
7a75ef3cf8425b00c0a7a8d14335cb73c140e905
SUCCESS checkout https://github.com/wvteijlingen/swift-websocket.git at main
========================================
Build
========================================
Selected platform:         iOS
Swift version:             6.4
Building package at path:  $PWD
https://github.com/wvteijlingen/swift-websocket.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:
  SwiftWebSocket: /Users/admin/builder/spi-builder-workspace
resolved source packages: SwiftWebSocket
2026-09-23 02:54:13.044 xcodebuild[524:2993] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "SwiftWebSocket",
  "name" : "SwiftWebSocket",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "13.0"
    },
    {
      "name" : "ios",
      "version" : "15.0"
    }
  ],
  "products" : [
    {
      "name" : "SwiftWebSocket",
      "targets" : [
        "SwiftWebSocket"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SwiftWebSocketTests",
      "module_type" : "SwiftTarget",
      "name" : "SwiftWebSocketTests",
      "path" : "Tests/SwiftWebSocketTests",
      "sources" : [
        "ReconnectableWebSocketTests.swift",
        "WebSocketTests.swift"
      ],
      "target_dependencies" : [
        "SwiftWebSocket"
      ],
      "type" : "test"
    },
    {
      "c99name" : "SwiftWebSocket",
      "module_type" : "SwiftTarget",
      "name" : "SwiftWebSocket",
      "path" : "Sources/SwiftWebSocket",
      "product_memberships" : [
        "SwiftWebSocket"
      ],
      "sources" : [
        "Models.swift",
        "ReconnectableWebSocket.swift",
        "WebSocket.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.0"
}
{
  "workspace" : {
    "name" : "SwiftWebSocket",
    "schemes" : [
      "SwiftWebSocket"
    ]
  }
}
2026-09-23 02:54:44.735 xcodebuild[622:3785] [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 SwiftWebSocket -destination generic/platform=iOS
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 SwiftWebSocket -destination generic/platform=iOS
Resolve Package Graph
Resolved source packages:
  SwiftWebSocket: /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 'SwiftWebSocket-product' in project 'SwiftWebSocket'
        ➜ Explicit dependency on target 'SwiftWebSocket' in project 'SwiftWebSocket'
    Target 'SwiftWebSocket' in project 'SwiftWebSocket' (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/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.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: e558fc9773a698c14178ae8054f62567
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/e558fc9773a698c14178ae8054f62567.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/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos27.0-24A430-e829b21a6f8c9b70876ba0858053c04440ceaa042ed91876912b2eeea4e3aa14.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/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos27.0-24A430-e829b21a6f8c9b70876ba0858053c04440ceaa042ed91876912b2eeea4e3aa14.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/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/Intermediates.noindex/ExplicitPrecompiledModules
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ExplicitPrecompiledModules
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/EagerLinkingTBDs/Debug-iphoneos
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/EagerLinkingTBDs/Debug-iphoneos
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/PackageFrameworks
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/PackageFrameworks
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftWebSocket.build/Debug-iphoneos/SwiftWebSocket-t.build/SwiftWebSocket.DependencyMetadataFileList (in target 'SwiftWebSocket' from project 'SwiftWebSocket')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftWebSocket.build/Debug-iphoneos/SwiftWebSocket-t.build/SwiftWebSocket.DependencyMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftWebSocket.build/Debug-iphoneos/SwiftWebSocket-t.build/SwiftWebSocket.DependencyStaticMetadataFileList (in target 'SwiftWebSocket' from project 'SwiftWebSocket')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftWebSocket.build/Debug-iphoneos/SwiftWebSocket-t.build/SwiftWebSocket.DependencyStaticMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftWebSocket.build/Debug-iphoneos/SwiftWebSocket-t.build/SwiftWebSocket.modulemap (in target 'SwiftWebSocket' from project 'SwiftWebSocket')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftWebSocket.build/Debug-iphoneos/SwiftWebSocket-t.build/SwiftWebSocket.modulemap
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftWebSocket.build/Debug-iphoneos/SwiftWebSocket-t.build/Objects-normal/arm64/SwiftWebSocket.SwiftFileList (in target 'SwiftWebSocket' from project 'SwiftWebSocket')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftWebSocket.build/Debug-iphoneos/SwiftWebSocket-t.build/Objects-normal/arm64/SwiftWebSocket.SwiftFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftWebSocket.build/Debug-iphoneos/SwiftWebSocket-t.build/Objects-normal/arm64/SwiftWebSocket-OutputFileMap.json (in target 'SwiftWebSocket' from project 'SwiftWebSocket')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftWebSocket.build/Debug-iphoneos/SwiftWebSocket-t.build/Objects-normal/arm64/SwiftWebSocket-OutputFileMap.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftWebSocket.build/Debug-iphoneos/SwiftWebSocket-t.build/Objects-normal/arm64/SwiftWebSocket.SwiftConstValuesFileList (in target 'SwiftWebSocket' from project 'SwiftWebSocket')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftWebSocket.build/Debug-iphoneos/SwiftWebSocket-t.build/Objects-normal/arm64/SwiftWebSocket.SwiftConstValuesFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftWebSocket.build/Debug-iphoneos/SwiftWebSocket-t.build/Objects-normal/arm64/SwiftWebSocket_const_extract_protocols.json (in target 'SwiftWebSocket' from project 'SwiftWebSocket')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftWebSocket.build/Debug-iphoneos/SwiftWebSocket-t.build/Objects-normal/arm64/SwiftWebSocket_const_extract_protocols.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftWebSocket.build/Debug-iphoneos/SwiftWebSocket-t.build/Objects-normal/arm64/SwiftWebSocket.LinkFileList (in target 'SwiftWebSocket' from project 'SwiftWebSocket')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftWebSocket.build/Debug-iphoneos/SwiftWebSocket-t.build/Objects-normal/arm64/SwiftWebSocket.LinkFileList
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-iphoneos/SwiftWebSocket.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftWebSocket.build/Debug-iphoneos/SwiftWebSocket-t.build/SwiftWebSocket.modulemap (in target 'SwiftWebSocket' from project 'SwiftWebSocket')
    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/SwiftWebSocket.build/Debug-iphoneos/SwiftWebSocket-t.build/SwiftWebSocket.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-iphoneos
SwiftDriver SwiftWebSocket normal arm64 com.apple.xcode.tools.swift.compiler (in target 'SwiftWebSocket' from project 'SwiftWebSocket')
    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 SwiftWebSocket -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftWebSocket.build/Debug-iphoneos/SwiftWebSocket-t.build/Objects-normal/arm64/SwiftWebSocket.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -DXcode -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/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk -target arm64-apple-ios15.0 -g -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -Xfrontend -serialize-debugging-options -profile-coverage-mapping -profile-generate -enable-testing -index-store-path /Users/admin/builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -swift-version 6 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -Isystem /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos27.0-24A430-e829b21a6f8c9b70876ba0858053c04440ceaa042ed91876912b2eeea4e3aa14.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftWebSocket.build/Debug-iphoneos/SwiftWebSocket-t.build/Objects-normal/arm64/SwiftWebSocket-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/SwiftWebSocket.build/Debug-iphoneos/SwiftWebSocket-t.build/Objects-normal/arm64/SwiftWebSocket.swiftmodule -serialize-diagnostics -dependency-scan-serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftWebSocket.build/Debug-iphoneos/SwiftWebSocket-t.build/Objects-normal/arm64/SwiftWebSocket-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/SwiftWebSocket.build/Debug-iphoneos/SwiftWebSocket-t.build/Objects-normal/arm64/SwiftWebSocket_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftWebSocket.build/Debug-iphoneos/SwiftWebSocket-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftWebSocket.build/Debug-iphoneos/SwiftWebSocket-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftWebSocket.build/Debug-iphoneos/SwiftWebSocket-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/SwiftWebSocket.build/Debug-iphoneos/SwiftWebSocket-t.build/Objects-normal/arm64/SwiftWebSocket-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_float-C9YPEHM4CFZRZANG7FZUAXNEM.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_Builtin_stddef-497PWUKWYPOGQHRSPKM0T1465.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/SwiftShims-2T1JKJY1CNAX17AUPWM2I7WV9.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_SwiftConcurrencyShims-1YQ444MGGYMS6A2AOV77GJGQW.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_AvailabilityInternal-3RI5Y5TKNUVCSZS0AWA4QTVBL.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/ptrauth-AW885YIGD3C9FM93EVUVX6RSX.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/ptrcheck-7IAJ7MPM56KRQ7DVR098RZHZ.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_Builtin_stdarg-68742DYUXT1W2MV2M7VLNH88N.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_Builtin_stdbool-8O3N4J6YVKHLL0V45IVQS8NH2.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_DarwinFoundation1-CM7XFNS1BWR7TJ77APPPZNEYV.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_Builtin_limits-DZCNUPSJE8VFID4WNCB288197.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_DarwinFoundation2-B59V6W3XU16CLURAS03HJS6YW.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/string_h-1Q2U6QG8BMVR0IC2U25873FPM.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/sys_types-362M33UJYX5FN4RCNSGM7NM1D.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_Builtin_stdint-6SFA8FHKKN84TABC4YGTRQP9K.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_DarwinFoundation3-DYY938WDNPDWGPOGH1M1QUITA.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_Builtin_inttypes-65FJ2B2J1AEG8S0QD4ORVM8AF.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/Darwin-7BRJ35O6AB5WG6M0QJKB4XRFG.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/ObjectiveC-2XPQ6U9PP7GEYPPG4LGBZBUCL.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/os_object-CN4Y7T89Q3YQ2MKXLFROZXLDT.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/os_workgroup-5UBI4P9YBOBEVSY2WVPGNJBP0.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/Dispatch-BO6SVQF0IH8VODEHY7FQBERTL.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/CoreFoundation-3BXWUG13YYK3VV3PI7VYJJI74.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/XPC-8RGSM7SGRDPX6RCK48IA80D7H.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/Security-8HI917VU3DURPJQDVV46744EJ.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/CFNetwork-6ICAZ6DACHUVURN640VOBA1EC.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/Foundation-ECOO1J2N4MYJUH0P49Q2U9DM8.pcm
SwiftCompile normal arm64 Compiling\ ReconnectableWebSocket.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftWebSocket/ReconnectableWebSocket.swift (in target 'SwiftWebSocket' from project 'SwiftWebSocket')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/SwiftWebSocket/ReconnectableWebSocket.swift (in target 'SwiftWebSocket' from project 'SwiftWebSocket')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile ReconnectableWebSocket.swift
SwiftEmitModule normal arm64 Emitting\ module\ for\ SwiftWebSocket (in target 'SwiftWebSocket' from project 'SwiftWebSocket')
/Users/admin/builder/spi-builder-workspace/Sources/SwiftWebSocket/Models.swift:34:29: error: 'Duration' is only available in iOS 16.0 or newer
30 |     }
31 |
32 |     public enum Heartbeats: Sendable {
   |                 `- note: add '@available' attribute to enclosing enum
33 |         case disabled
34 |         case enabled(every: Duration, data: Data)
   |                             `- error: 'Duration' is only available in iOS 16.0 or newer
35 |     }
36 |
/Users/admin/builder/spi-builder-workspace/Sources/SwiftWebSocket/WebSocket.swift:174:75: error: 'Duration' is only available in iOS 16.0 or newer
  2 | import Foundation
  3 |
  4 | public actor WebSocket {
    |              `- note: add '@available' attribute to enclosing actor
  5 |     private(set) var state: State = .notConnected
  6 |
    :
172 |     ///   - heartbeat: The heartbeat data to send.
173 |     ///   - interval: The interval between heartbeats.
174 |     private func startHeartbeats(sending heartbeat: Data, every interval: Duration) {
    |                  |                                                        `- error: 'Duration' is only available in iOS 16.0 or newer
    |                  `- note: add '@available' attribute to enclosing instance method
175 |         heartbeatTask?.cancel()
176 |
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/SwiftWebSocket/Models.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftWebSocket/ReconnectableWebSocket.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftWebSocket/WebSocket.swift -target arm64-apple-ios15.0 -disable-cross-import-overlay-search -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib/swift/host/plugins/libFoundationMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/swift-plugin-server\#FoundationMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib/swift/host/plugins/libObservationMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/swift-plugin-server\#ObservationMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib/swift/host/plugins/libSwiftMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/swift-plugin-server\#SwiftMacros -disable-implicit-swift-modules -Xcc -fno-implicit-modules -Xcc -fno-implicit-module-maps -explicit-swift-module-map-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftWebSocket.build/Debug-iphoneos/SwiftWebSocket-t.build/Objects-normal/arm64/SwiftWebSocket-dependencies-1.json -Xllvm -aarch64-use-tbi -enable-objc-interop -stack-check -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -Isystem /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.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-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/iphoneos27.0-24A430-e829b21a6f8c9b70876ba0858053c04440ceaa042ed91876912b2eeea4e3aa14.sdkstatcache -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftWebSocket.build/Debug-iphoneos/SwiftWebSocket-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftWebSocket.build/Debug-iphoneos/SwiftWebSocket-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftWebSocket.build/Debug-iphoneos/SwiftWebSocket-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name SwiftWebSocket -package-name spi_builder_workspace -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftWebSocket.build/Debug-iphoneos/SwiftWebSocket-t.build/Objects-normal/arm64/SwiftWebSocket_const_extract_protocols.json -disable-clang-spi -clang-target arm64-apple-ios27.0 -target-sdk-version 27.0 -target-sdk-name iphoneos27.0 -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/SwiftWebSocket.build/Debug-iphoneos/SwiftWebSocket-t.build/Objects-normal/arm64/SwiftWebSocket.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftWebSocket.build/Debug-iphoneos/SwiftWebSocket-t.build/Objects-normal/arm64/SwiftWebSocket.swiftsourceinfo -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftWebSocket.build/Debug-iphoneos/SwiftWebSocket-t.build/Objects-normal/arm64/SwiftWebSocket-Swift.h -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftWebSocket.build/Debug-iphoneos/SwiftWebSocket-t.build/Objects-normal/arm64/SwiftWebSocket-primary-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftWebSocket.build/Debug-iphoneos/SwiftWebSocket-t.build/Objects-normal/arm64/SwiftWebSocket-primary-emit-module.d -parse-as-library -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftWebSocket.build/Debug-iphoneos/SwiftWebSocket-t.build/Objects-normal/arm64/SwiftWebSocket.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftWebSocket.build/Debug-iphoneos/SwiftWebSocket-t.build/Objects-normal/arm64/SwiftWebSocket.abi.json
SwiftCompile normal arm64 (in target 'SwiftWebSocket' from project 'SwiftWebSocket')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ Models.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftWebSocket/Models.swift (in target 'SwiftWebSocket' from project 'SwiftWebSocket')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/SwiftWebSocket/Models.swift (in target 'SwiftWebSocket' from project 'SwiftWebSocket')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile Models.swift
SwiftCompile normal arm64 Compiling\ WebSocket.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftWebSocket/WebSocket.swift (in target 'SwiftWebSocket' from project 'SwiftWebSocket')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/SwiftWebSocket/WebSocket.swift (in target 'SwiftWebSocket' from project 'SwiftWebSocket')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile WebSocket.swift
/Users/admin/builder/spi-builder-workspace/Sources/SwiftWebSocket/WebSocket.swift:174:75: error: 'Duration' is only available in iOS 16.0 or newer
  2 | import Foundation
  3 |
  4 | public actor WebSocket {
    |              `- note: add '@available' attribute to enclosing actor
  5 |     private(set) var state: State = .notConnected
  6 |
    :
172 |     ///   - heartbeat: The heartbeat data to send.
173 |     ///   - interval: The interval between heartbeats.
174 |     private func startHeartbeats(sending heartbeat: Data, every interval: Duration) {
    |                  |                                                        `- error: 'Duration' is only available in iOS 16.0 or newer
    |                  `- note: add '@available' attribute to enclosing instance method
175 |         heartbeatTask?.cancel()
176 |
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ExplicitPrecompiledModules
2026-09-23 02:54:46.259 xcodebuild[623:3829] [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\ SwiftWebSocket (in target 'SwiftWebSocket' from project 'SwiftWebSocket')
	SwiftCompile normal arm64 (in target 'SwiftWebSocket' from project 'SwiftWebSocket')
	Building workspace SwiftWebSocket with scheme SwiftWebSocket
(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:
  SwiftWebSocket: /Users/admin/builder/spi-builder-workspace
resolved source packages: SwiftWebSocket
2026-09-23 02:54:50.644 xcodebuild[669:4047] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "SwiftWebSocket",
  "name" : "SwiftWebSocket",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "13.0"
    },
    {
      "name" : "ios",
      "version" : "15.0"
    }
  ],
  "products" : [
    {
      "name" : "SwiftWebSocket",
      "targets" : [
        "SwiftWebSocket"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SwiftWebSocketTests",
      "module_type" : "SwiftTarget",
      "name" : "SwiftWebSocketTests",
      "path" : "Tests/SwiftWebSocketTests",
      "sources" : [
        "ReconnectableWebSocketTests.swift",
        "WebSocketTests.swift"
      ],
      "target_dependencies" : [
        "SwiftWebSocket"
      ],
      "type" : "test"
    },
    {
      "c99name" : "SwiftWebSocket",
      "module_type" : "SwiftTarget",
      "name" : "SwiftWebSocket",
      "path" : "Sources/SwiftWebSocket",
      "product_memberships" : [
        "SwiftWebSocket"
      ],
      "sources" : [
        "Models.swift",
        "ReconnectableWebSocket.swift",
        "WebSocket.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.0"
}
{
  "workspace" : {
    "name" : "SwiftWebSocket",
    "schemes" : [
      "SwiftWebSocket"
    ]
  }
}
2026-09-23 02:54:51.827 xcodebuild[677:4109] [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 SwiftWebSocket -destination generic/platform=iOS
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 SwiftWebSocket -destination generic/platform=iOS
Resolve Package Graph
Resolved source packages:
  SwiftWebSocket: /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 'SwiftWebSocket-product' in project 'SwiftWebSocket'
        ➜ Explicit dependency on target 'SwiftWebSocket' in project 'SwiftWebSocket'
    Target 'SwiftWebSocket' in project 'SwiftWebSocket' (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/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos27.0-24A430-e829b21a6f8c9b70876ba0858053c04440ceaa042ed91876912b2eeea4e3aa14.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/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos27.0-24A430-e829b21a6f8c9b70876ba0858053c04440ceaa042ed91876912b2eeea4e3aa14.sdkstatcache
SwiftDriver SwiftWebSocket normal arm64 com.apple.xcode.tools.swift.compiler (in target 'SwiftWebSocket' from project 'SwiftWebSocket')
    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 SwiftWebSocket -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftWebSocket.build/Debug-iphoneos/SwiftWebSocket-t.build/Objects-normal/arm64/SwiftWebSocket.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -DXcode -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/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk -target arm64-apple-ios15.0 -g -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -Xfrontend -serialize-debugging-options -profile-coverage-mapping -profile-generate -enable-testing -index-store-path /Users/admin/builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -swift-version 6 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -Isystem /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos27.0-24A430-e829b21a6f8c9b70876ba0858053c04440ceaa042ed91876912b2eeea4e3aa14.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftWebSocket.build/Debug-iphoneos/SwiftWebSocket-t.build/Objects-normal/arm64/SwiftWebSocket-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/SwiftWebSocket.build/Debug-iphoneos/SwiftWebSocket-t.build/Objects-normal/arm64/SwiftWebSocket.swiftmodule -serialize-diagnostics -dependency-scan-serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftWebSocket.build/Debug-iphoneos/SwiftWebSocket-t.build/Objects-normal/arm64/SwiftWebSocket-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/SwiftWebSocket.build/Debug-iphoneos/SwiftWebSocket-t.build/Objects-normal/arm64/SwiftWebSocket_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftWebSocket.build/Debug-iphoneos/SwiftWebSocket-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftWebSocket.build/Debug-iphoneos/SwiftWebSocket-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftWebSocket.build/Debug-iphoneos/SwiftWebSocket-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/SwiftWebSocket.build/Debug-iphoneos/SwiftWebSocket-t.build/Objects-normal/arm64/SwiftWebSocket-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftEmitModule normal arm64 Emitting\ module\ for\ SwiftWebSocket (in target 'SwiftWebSocket' from project 'SwiftWebSocket')
SwiftCompile normal arm64 (in target 'SwiftWebSocket' from project 'SwiftWebSocket')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

/Users/admin/builder/spi-builder-workspace/Sources/SwiftWebSocket/Models.swift:34:29: error: 'Duration' is only available in iOS 16.0 or newer
30 |     }
31 |
32 |     public enum Heartbeats: Sendable {
   |                 `- note: add '@available' attribute to enclosing enum
33 |         case disabled
34 |         case enabled(every: Duration, data: Data)
   |                             `- error: 'Duration' is only available in iOS 16.0 or newer
35 |     }
36 |
/Users/admin/builder/spi-builder-workspace/Sources/SwiftWebSocket/WebSocket.swift:174:75: error: 'Duration' is only available in iOS 16.0 or newer
  2 | import Foundation
  3 |
  4 | public actor WebSocket {
    |              `- note: add '@available' attribute to enclosing actor
  5 |     private(set) var state: State = .notConnected
  6 |
    :
172 |     ///   - heartbeat: The heartbeat data to send.
173 |     ///   - interval: The interval between heartbeats.
174 |     private func startHeartbeats(sending heartbeat: Data, every interval: Duration) {
    |                  |                                                        `- error: 'Duration' is only available in iOS 16.0 or newer
    |                  `- note: add '@available' attribute to enclosing instance method
175 |         heartbeatTask?.cancel()
176 |
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/SwiftWebSocket/Models.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftWebSocket/ReconnectableWebSocket.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftWebSocket/WebSocket.swift -target arm64-apple-ios15.0 -disable-cross-import-overlay-search -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib/swift/host/plugins/libFoundationMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/swift-plugin-server\#FoundationMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib/swift/host/plugins/libObservationMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/swift-plugin-server\#ObservationMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib/swift/host/plugins/libSwiftMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/swift-plugin-server\#SwiftMacros -disable-implicit-swift-modules -Xcc -fno-implicit-modules -Xcc -fno-implicit-module-maps -explicit-swift-module-map-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftWebSocket.build/Debug-iphoneos/SwiftWebSocket-t.build/Objects-normal/arm64/SwiftWebSocket-dependencies-1.json -Xllvm -aarch64-use-tbi -enable-objc-interop -stack-check -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -Isystem /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.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-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/iphoneos27.0-24A430-e829b21a6f8c9b70876ba0858053c04440ceaa042ed91876912b2eeea4e3aa14.sdkstatcache -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftWebSocket.build/Debug-iphoneos/SwiftWebSocket-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftWebSocket.build/Debug-iphoneos/SwiftWebSocket-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftWebSocket.build/Debug-iphoneos/SwiftWebSocket-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name SwiftWebSocket -package-name spi_builder_workspace -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftWebSocket.build/Debug-iphoneos/SwiftWebSocket-t.build/Objects-normal/arm64/SwiftWebSocket_const_extract_protocols.json -disable-clang-spi -clang-target arm64-apple-ios27.0 -target-sdk-version 27.0 -target-sdk-name iphoneos27.0 -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/SwiftWebSocket.build/Debug-iphoneos/SwiftWebSocket-t.build/Objects-normal/arm64/SwiftWebSocket.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftWebSocket.build/Debug-iphoneos/SwiftWebSocket-t.build/Objects-normal/arm64/SwiftWebSocket.swiftsourceinfo -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftWebSocket.build/Debug-iphoneos/SwiftWebSocket-t.build/Objects-normal/arm64/SwiftWebSocket-Swift.h -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftWebSocket.build/Debug-iphoneos/SwiftWebSocket-t.build/Objects-normal/arm64/SwiftWebSocket-primary-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftWebSocket.build/Debug-iphoneos/SwiftWebSocket-t.build/Objects-normal/arm64/SwiftWebSocket-primary-emit-module.d -parse-as-library -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftWebSocket.build/Debug-iphoneos/SwiftWebSocket-t.build/Objects-normal/arm64/SwiftWebSocket.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftWebSocket.build/Debug-iphoneos/SwiftWebSocket-t.build/Objects-normal/arm64/SwiftWebSocket.abi.json
SwiftCompile normal arm64 Compiling\ WebSocket.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftWebSocket/WebSocket.swift (in target 'SwiftWebSocket' from project 'SwiftWebSocket')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/SwiftWebSocket/WebSocket.swift (in target 'SwiftWebSocket' from project 'SwiftWebSocket')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile WebSocket.swift
SwiftCompile normal arm64 Compiling\ Models.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftWebSocket/Models.swift (in target 'SwiftWebSocket' from project 'SwiftWebSocket')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/SwiftWebSocket/Models.swift (in target 'SwiftWebSocket' from project 'SwiftWebSocket')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile Models.swift
SwiftCompile normal arm64 Compiling\ ReconnectableWebSocket.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftWebSocket/ReconnectableWebSocket.swift (in target 'SwiftWebSocket' from project 'SwiftWebSocket')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/SwiftWebSocket/ReconnectableWebSocket.swift (in target 'SwiftWebSocket' from project 'SwiftWebSocket')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile ReconnectableWebSocket.swift
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ExplicitPrecompiledModules
2026-09-23 02:54:52.755 xcodebuild[678:4134] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
** BUILD FAILED **
The following build commands failed:
	SwiftCompile normal arm64 (in target 'SwiftWebSocket' from project 'SwiftWebSocket')
	SwiftEmitModule normal arm64 Emitting\ module\ for\ SwiftWebSocket (in target 'SwiftWebSocket' from project 'SwiftWebSocket')
	Building workspace SwiftWebSocket with scheme SwiftWebSocket
(3 failures)
BUILD FAILURE 6.4 iOS