The Swift Package Index logo.Swift Package Index

Build Information

Failed to build package-datetime, reference 2.0.0-alpha.1 (245d8f), with Swift 6.4 for iOS using Xcode 27.0 on 19 Sep 2026 09:23:37 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 package-datetime -destination generic/platform=iOS

Build Log

========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/ordo-one/package-datetime.git
Reference: 2.0.0-alpha.1
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/ordo-one/package-datetime
 * tag               2.0.0-alpha.1 -> FETCH_HEAD
HEAD is now at 245d8ff Update Package.swift
Cloned https://github.com/ordo-one/package-datetime.git
Revision (git rev-parse @):
245d8ff3a97d9bcb57dbd9455bcfeded20369e0d
SUCCESS checkout https://github.com/ordo-one/package-datetime.git at 2.0.0-alpha.1
========================================
Build
========================================
Selected platform:         iOS
Swift version:             6.4
Building package at path:  $PWD
https://github.com/ordo-one/package-datetime.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:
  package-datetime: /Users/admin/builder/spi-builder-workspace
resolved source packages: package-datetime
2026-09-19 05:22:57.155 xcodebuild[529:3045] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "package-datetime",
  "name" : "package-datetime",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "14.0"
    }
  ],
  "products" : [
    {
      "name" : "DateTime",
      "targets" : [
        "DateTime"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "EpochDateTimeTests",
      "module_type" : "SwiftTarget",
      "name" : "EpochDateTimeTests",
      "path" : "Tests/EpochDateTimeTests",
      "sources" : [
        "EpochDateTimeTests.swift"
      ],
      "target_dependencies" : [
        "DateTime"
      ],
      "type" : "test"
    },
    {
      "c99name" : "DateTimeTests",
      "module_type" : "SwiftTarget",
      "name" : "DateTimeTests",
      "path" : "Tests/DateTimeTests",
      "sources" : [
        "DateTimeTests.swift"
      ],
      "target_dependencies" : [
        "DateTime"
      ],
      "type" : "test"
    },
    {
      "c99name" : "DateTime",
      "module_type" : "SwiftTarget",
      "name" : "DateTime",
      "path" : "Sources/DateTime",
      "product_memberships" : [
        "DateTime"
      ],
      "sources" : [
        "BenchmarkClock.swift",
        "Duration+Convenience.swift",
        "EpochDateTime.swift",
        "FoundationExports.swift",
        "InternalUTCClock.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.9"
}
{
  "workspace" : {
    "name" : "package-datetime",
    "schemes" : [
      "package-datetime"
    ]
  }
}
2026-09-19 05:23:28.688 xcodebuild[626:3848] [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 package-datetime -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 package-datetime -destination generic/platform=iOS
Resolve Package Graph
Resolved source packages:
  package-datetime: /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 'DateTime-product' in project 'package-datetime'
        ➜ Explicit dependency on target 'DateTime' in project 'package-datetime'
    Target 'DateTime' in project 'package-datetime' (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: 2c1efc5c17ec1a621cb4df6700254aa4
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/2c1efc5c17ec1a621cb4df6700254aa4.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/package-datetime.build/Debug-iphoneos/DateTime-t.build/DateTime.DependencyStaticMetadataFileList (in target 'DateTime' from project 'package-datetime')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-iphoneos/DateTime-t.build/DateTime.DependencyStaticMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-iphoneos/DateTime-t.build/DateTime.DependencyMetadataFileList (in target 'DateTime' from project 'package-datetime')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-iphoneos/DateTime-t.build/DateTime.DependencyMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-iphoneos/DateTime-t.build/DateTime.modulemap (in target 'DateTime' from project 'package-datetime')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-iphoneos/DateTime-t.build/DateTime.modulemap
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-iphoneos/DateTime-t.build/Objects-normal/arm64/DateTime-OutputFileMap.json (in target 'DateTime' from project 'package-datetime')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-iphoneos/DateTime-t.build/Objects-normal/arm64/DateTime-OutputFileMap.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-iphoneos/DateTime-t.build/Objects-normal/arm64/DateTime.SwiftFileList (in target 'DateTime' from project 'package-datetime')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-iphoneos/DateTime-t.build/Objects-normal/arm64/DateTime.SwiftFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-iphoneos/DateTime-t.build/Objects-normal/arm64/DateTime_const_extract_protocols.json (in target 'DateTime' from project 'package-datetime')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-iphoneos/DateTime-t.build/Objects-normal/arm64/DateTime_const_extract_protocols.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-iphoneos/DateTime-t.build/Objects-normal/arm64/DateTime.LinkFileList (in target 'DateTime' from project 'package-datetime')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-iphoneos/DateTime-t.build/Objects-normal/arm64/DateTime.LinkFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-iphoneos/DateTime-t.build/Objects-normal/arm64/DateTime.SwiftConstValuesFileList (in target 'DateTime' from project 'package-datetime')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-iphoneos/DateTime-t.build/Objects-normal/arm64/DateTime.SwiftConstValuesFileList
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-iphoneos/DateTime.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-iphoneos/DateTime-t.build/DateTime.modulemap (in target 'DateTime' from project 'package-datetime')
    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/package-datetime.build/Debug-iphoneos/DateTime-t.build/DateTime.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-iphoneos
SwiftDriver DateTime normal arm64 com.apple.xcode.tools.swift.compiler (in target 'DateTime' from project 'package-datetime')
    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 DateTime -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-iphoneos/DateTime-t.build/Objects-normal/arm64/DateTime.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 5 -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/package-datetime.build/Debug-iphoneos/DateTime-t.build/Objects-normal/arm64/DateTime-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/package-datetime.build/Debug-iphoneos/DateTime-t.build/Objects-normal/arm64/DateTime.swiftmodule -serialize-diagnostics -dependency-scan-serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-iphoneos/DateTime-t.build/Objects-normal/arm64/DateTime-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/package-datetime.build/Debug-iphoneos/DateTime-t.build/Objects-normal/arm64/DateTime_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/package-datetime.build/Debug-iphoneos/DateTime-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-iphoneos/DateTime-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-iphoneos/DateTime-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/package-datetime.build/Debug-iphoneos/DateTime-t.build/Objects-normal/arm64/DateTime-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-A3OTZIBNLUK4KRPK79SR9VALR.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/ptrcheck-BEJ25RSXHVJMS8GY54A7TIDQC.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/ptrauth-ELWSSDP0MKO9UN7OCGHYENU4N.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_Builtin_stddef-9M60LQ19IG7KF2I6MAZT1EE2L.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/SwiftShims-9ZM475TB9FF7V697OJNYX6RO9.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_Builtin_stdbool-DS3M26O02MEUZY8PORVO63UN8.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_AvailabilityInternal-A68EWFTK1KMCWXEVQVUVX32IF.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_Builtin_stdarg-353X4HCQ4QM1XN1RGUYE5DJXQ.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_SwiftConcurrencyShims-46VMPHZN3071T5WUKTVKV81O6.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_DarwinFoundation1-6AS4X33TU1806YATN4YELVHNM.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_DarwinFoundation2-DBOBRBKI8YXN3X7HCIRAXFELN.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_Builtin_limits-BR17857KX1560DFAJ8X0RLP2X.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_Builtin_stdint-3VRVITBSRYCNS1X3HOZPXQS3E.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/string_h-4SPNE64SFJA0QV142KR6FB8H.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/sys_types-4H7GQGME5X7WUG5O55QKSXPG0.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_DarwinFoundation3-BWQ9HHUEF00PLTWBF6Y3RFT1Q.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_Builtin_inttypes-F02YQXAV70SBQYNR1TCILSZQC.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/Darwin-BI81F3DSM7GNALREB2L4UAO3K.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/ObjectiveC-B11KXH0CHRPAR6DL0V15OUWX.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/os_object-39R6K1ZW4M0CXKJ1WMJZK8M2C.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/os_workgroup-24KM5066VOM199SLPK0FMLPYP.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/Dispatch-ATYRC6ZTNZOFUFVI4AZT0N36L.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/CoreFoundation-6RZ7WG7C70RNLQ7W9TEHN64U.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/XPC-2B8LCRX5U2HGX5DUXAJMAUYF5.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/Security-38LZ2U8T2TAJNP8SDQ1CJJE3F.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/CFNetwork-CKHY0HEWI1S67QSGB5QKT2KK1.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/Foundation-1A84M7V1QOXIBMN0W05H3CVWO.pcm
SwiftEmitModule normal arm64 Emitting\ module\ for\ DateTime (in target 'DateTime' from project 'package-datetime')
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:28:36: error: 'Duration' is only available in iOS 16.0 or newer
 25 | public struct BenchmarkClock {
 26 |     /// A continuous point in time used for `BenchmarkClock`.
 27 |     public struct Instant: Codable, Sendable {
    |                   `- note: add '@available' attribute to enclosing struct
 28 |         internal var _value: Swift.Duration
    |                                    `- error: 'Duration' is only available in iOS 16.0 or newer
 29 |
 30 |         internal init(_value: Swift.Duration) {
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:30:37: error: 'Duration' is only available in iOS 16.0 or newer
 25 | public struct BenchmarkClock {
 26 |     /// A continuous point in time used for `BenchmarkClock`.
 27 |     public struct Instant: Codable, Sendable {
    |                   `- note: add '@available' attribute to enclosing struct
 28 |         internal var _value: Swift.Duration
 29 |
 30 |         internal init(_value: Swift.Duration) {
    |                  |                  `- error: 'Duration' is only available in iOS 16.0 or newer
    |                  `- note: add '@available' attribute to enclosing initializer
 31 |             self._value = _value
 32 |         }
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:38:18: error: 'Clock' is only available in iOS 16.0 or newer
 36 | }
 37 |
 38 | public extension Clock where Self == BenchmarkClock {
    |        |         `- error: 'Clock' is only available in iOS 16.0 or newer
    |        `- note: add '@available' attribute to enclosing extension
 39 |     /// A clock that measures time that always increments but does not stop
 40 |     /// incrementing while the system is asleep.
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:54:41: error: 'Duration' is only available in iOS 16.0 or newer
 45 | }
 46 |
 47 | extension BenchmarkClock: Clock {
    | `- note: add '@available' attribute to enclosing extension
 48 |     /// The current continuous instant.
 49 |     public var now: BenchmarkClock.Instant {
    :
 52 |
 53 |     /// The minimum non-zero resolution between any two calls to `now`.
 54 |     public var minimumResolution: Swift.Duration {
    |                |                        `- error: 'Duration' is only available in iOS 16.0 or newer
    |                `- note: add '@available' attribute to enclosing property
 55 |         #if os(macOS) || os(iOS)
 56 |             return Duration.nanoseconds(1)
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:111:51: error: 'Duration' is only available in iOS 16.0 or newer
 45 | }
 46 |
 47 | extension BenchmarkClock: Clock {
    | `- note: add '@available' attribute to enclosing extension
 48 |     /// The current continuous instant.
 49 |     public var now: BenchmarkClock.Instant {
    :
108 |     ///
109 |     /// This function doesn't block the underlying thread.
110 |     public func sleep(
    |                 `- note: add '@available' attribute to enclosing instance method
111 |         until deadline: Instant, tolerance: Swift.Duration? = nil
    |                                                   `- error: 'Duration' is only available in iOS 16.0 or newer
112 |     ) async throws {
113 |         try await Task.sleep(until: deadline, tolerance: tolerance, clock: .internalUTC)
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:120:45: error: 'Duration' is only available in iOS 16.0 or newer
115 | }
116 |
117 | extension BenchmarkClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
118 |     public static var now: BenchmarkClock.Instant { BenchmarkClock.now }
119 |
120 |     public func advanced(by duration: Swift.Duration) -> BenchmarkClock.Instant {
    |                 |                           `- error: 'Duration' is only available in iOS 16.0 or newer
    |                 `- note: add '@available' attribute to enclosing instance method
121 |         BenchmarkClock.Instant(_value: _value + duration)
122 |     }
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:124:69: error: 'Duration' is only available in iOS 16.0 or newer
115 | }
116 |
117 | extension BenchmarkClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
118 |     public static var now: BenchmarkClock.Instant { BenchmarkClock.now }
119 |
    :
122 |     }
123 |
124 |     public func duration(to other: BenchmarkClock.Instant) -> Swift.Duration {
    |                 |                                                   `- error: 'Duration' is only available in iOS 16.0 or newer
    |                 `- note: add '@available' attribute to enclosing instance method
125 |         other._value - _value
126 |     }
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:146:53: error: 'Duration' is only available in iOS 16.0 or newer
115 | }
116 |
117 | extension BenchmarkClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
118 |     public static var now: BenchmarkClock.Instant { BenchmarkClock.now }
119 |
    :
143 |
144 |     @inlinable
145 |     public static func + (
    |                        `- note: add '@available' attribute to enclosing operator function
146 |         _ lhs: BenchmarkClock.Instant, _ rhs: Swift.Duration
    |                                                     `- error: 'Duration' is only available in iOS 16.0 or newer
147 |     ) -> BenchmarkClock.Instant {
148 |         lhs.advanced(by: rhs)
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:153:59: error: 'Duration' is only available in iOS 16.0 or newer
115 | }
116 |
117 | extension BenchmarkClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
118 |     public static var now: BenchmarkClock.Instant { BenchmarkClock.now }
119 |
    :
150 |
151 |     @inlinable
152 |     public static func += (
    |                        `- note: add '@available' attribute to enclosing operator function
153 |         _ lhs: inout BenchmarkClock.Instant, _ rhs: Swift.Duration
    |                                                           `- error: 'Duration' is only available in iOS 16.0 or newer
154 |     ) {
155 |         lhs = lhs.advanced(by: rhs)
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:160:53: error: 'Duration' is only available in iOS 16.0 or newer
115 | }
116 |
117 | extension BenchmarkClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
118 |     public static var now: BenchmarkClock.Instant { BenchmarkClock.now }
119 |
    :
157 |
158 |     @inlinable
159 |     public static func - (
    |                        `- note: add '@available' attribute to enclosing operator function
160 |         _ lhs: BenchmarkClock.Instant, _ rhs: Swift.Duration
    |                                                     `- error: 'Duration' is only available in iOS 16.0 or newer
161 |     ) -> BenchmarkClock.Instant {
162 |         lhs.advanced(by: .zero - rhs)
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:167:59: error: 'Duration' is only available in iOS 16.0 or newer
115 | }
116 |
117 | extension BenchmarkClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
118 |     public static var now: BenchmarkClock.Instant { BenchmarkClock.now }
119 |
    :
164 |
165 |     @inlinable
166 |     public static func -= (
    |                        `- note: add '@available' attribute to enclosing operator function
167 |         _ lhs: inout BenchmarkClock.Instant, _ rhs: Swift.Duration
    |                                                           `- error: 'Duration' is only available in iOS 16.0 or newer
168 |     ) {
169 |         lhs = lhs.advanced(by: .zero - rhs)
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:175:16: error: 'Duration' is only available in iOS 16.0 or newer
115 | }
116 |
117 | extension BenchmarkClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
118 |     public static var now: BenchmarkClock.Instant { BenchmarkClock.now }
119 |
    :
171 |
172 |     @inlinable
173 |     public static func - (
    |                        `- note: add '@available' attribute to enclosing operator function
174 |         _ lhs: BenchmarkClock.Instant, _ rhs: BenchmarkClock.Instant
175 |     ) -> Swift.Duration {
    |                `- error: 'Duration' is only available in iOS 16.0 or newer
176 |         rhs.duration(to: lhs)
177 |     }
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:162:32: error: '-' is only available in iOS 16.0 or newer
115 | }
116 |
117 | extension BenchmarkClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
118 |     public static var now: BenchmarkClock.Instant { BenchmarkClock.now }
119 |
    :
157 |
158 |     @inlinable
159 |     public static func - (
    |                        `- note: add '@available' attribute to enclosing operator function
160 |         _ lhs: BenchmarkClock.Instant, _ rhs: Swift.Duration
161 |     ) -> BenchmarkClock.Instant {
162 |         lhs.advanced(by: .zero - rhs)
    |                                |- error: '-' is only available in iOS 16.0 or newer
    |                                `- note: add 'if #available' version check
163 |     }
164 |
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:162:27: error: 'zero' is only available in iOS 16.0 or newer
115 | }
116 |
117 | extension BenchmarkClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
118 |     public static var now: BenchmarkClock.Instant { BenchmarkClock.now }
119 |
    :
157 |
158 |     @inlinable
159 |     public static func - (
    |                        `- note: add '@available' attribute to enclosing operator function
160 |         _ lhs: BenchmarkClock.Instant, _ rhs: Swift.Duration
161 |     ) -> BenchmarkClock.Instant {
162 |         lhs.advanced(by: .zero - rhs)
    |                           |- error: 'zero' is only available in iOS 16.0 or newer
    |                           `- note: add 'if #available' version check
163 |     }
164 |
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:169:38: error: '-' is only available in iOS 16.0 or newer
115 | }
116 |
117 | extension BenchmarkClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
118 |     public static var now: BenchmarkClock.Instant { BenchmarkClock.now }
119 |
    :
164 |
165 |     @inlinable
166 |     public static func -= (
    |                        `- note: add '@available' attribute to enclosing operator function
167 |         _ lhs: inout BenchmarkClock.Instant, _ rhs: Swift.Duration
168 |     ) {
169 |         lhs = lhs.advanced(by: .zero - rhs)
    |                                      |- error: '-' is only available in iOS 16.0 or newer
    |                                      `- note: add 'if #available' version check
170 |     }
171 |
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:169:33: error: 'zero' is only available in iOS 16.0 or newer
115 | }
116 |
117 | extension BenchmarkClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
118 |     public static var now: BenchmarkClock.Instant { BenchmarkClock.now }
119 |
    :
164 |
165 |     @inlinable
166 |     public static func -= (
    |                        `- note: add '@available' attribute to enclosing operator function
167 |         _ lhs: inout BenchmarkClock.Instant, _ rhs: Swift.Duration
168 |     ) {
169 |         lhs = lhs.advanced(by: .zero - rhs)
    |                                 |- error: 'zero' is only available in iOS 16.0 or newer
    |                                 `- note: add 'if #available' version check
170 |     }
171 |
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/Duration+Convenience.swift:1:18: error: 'Duration' is only available in iOS 16.0 or newer
1 | public extension Duration {
  |        |         `- error: 'Duration' is only available in iOS 16.0 or newer
  |        `- note: add '@available' attribute to enclosing extension
2 |     func nanoseconds() -> Int64 {
3 |         (components.seconds * 1_000_000_000) + (components.attoseconds / 1_000_000_000)
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/InternalUTCClock.swift:27:36: error: 'Duration' is only available in iOS 16.0 or newer
 24 | public struct InternalUTCClock {
 25 |     /// A continuous point in time used for `InternalUTCClock`.
 26 |     public struct Instant: Codable, Sendable {
    |                   `- note: add '@available' attribute to enclosing struct
 27 |         internal var _value: Swift.Duration
    |                                    `- error: 'Duration' is only available in iOS 16.0 or newer
 28 |
 29 |         internal init(_value: Swift.Duration) {
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/InternalUTCClock.swift:29:37: error: 'Duration' is only available in iOS 16.0 or newer
 24 | public struct InternalUTCClock {
 25 |     /// A continuous point in time used for `InternalUTCClock`.
 26 |     public struct Instant: Codable, Sendable {
    |                   `- note: add '@available' attribute to enclosing struct
 27 |         internal var _value: Swift.Duration
 28 |
 29 |         internal init(_value: Swift.Duration) {
    |                  |                  `- error: 'Duration' is only available in iOS 16.0 or newer
    |                  `- note: add '@available' attribute to enclosing initializer
 30 |             self._value = _value
 31 |         }
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/InternalUTCClock.swift:81:18: error: 'Clock' is only available in iOS 16.0 or newer
 79 | }
 80 |
 81 | public extension Clock where Self == InternalUTCClock {
    |        |         `- error: 'Clock' is only available in iOS 16.0 or newer
    |        `- note: add '@available' attribute to enclosing extension
 82 |     /// A clock that measures time that always increments but does not stop
 83 |     /// incrementing while the system is asleep.
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/InternalUTCClock.swift:97:41: error: 'Duration' is only available in iOS 16.0 or newer
 88 | }
 89 |
 90 | extension InternalUTCClock: Clock {
    | `- note: add '@available' attribute to enclosing extension
 91 |     /// The current continuous instant.
 92 |     public var now: InternalUTCClock.Instant {
    :
 95 |
 96 |     /// The minimum non-zero resolution between any two calls to `now`.
 97 |     public var minimumResolution: Swift.Duration {
    |                |                        `- error: 'Duration' is only available in iOS 16.0 or newer
    |                `- note: add '@available' attribute to enclosing property
 98 |         var resolution = timespec()
 99 |
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/InternalUTCClock.swift:137:51: error: 'Duration' is only available in iOS 16.0 or newer
 88 | }
 89 |
 90 | extension InternalUTCClock: Clock {
    | `- note: add '@available' attribute to enclosing extension
 91 |     /// The current continuous instant.
 92 |     public var now: InternalUTCClock.Instant {
    :
134 |     ///
135 |     /// This function doesn't block the underlying thread.
136 |     public func sleep(
    |                 `- note: add '@available' attribute to enclosing instance method
137 |         until deadline: Instant, tolerance: Swift.Duration? = nil
    |                                                   `- error: 'Duration' is only available in iOS 16.0 or newer
138 |     ) async throws {
139 |         try await Task.sleep(until: deadline, tolerance: tolerance, clock: .internalUTC)
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/InternalUTCClock.swift:146:45: error: 'Duration' is only available in iOS 16.0 or newer
141 | }
142 |
143 | extension InternalUTCClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
144 |     public static var now: InternalUTCClock.Instant { InternalUTCClock.now }
145 |
146 |     public func advanced(by duration: Swift.Duration) -> InternalUTCClock.Instant {
    |                 |                           `- error: 'Duration' is only available in iOS 16.0 or newer
    |                 `- note: add '@available' attribute to enclosing instance method
147 |         InternalUTCClock.Instant(_value: _value + duration)
148 |     }
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/InternalUTCClock.swift:150:71: error: 'Duration' is only available in iOS 16.0 or newer
141 | }
142 |
143 | extension InternalUTCClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
144 |     public static var now: InternalUTCClock.Instant { InternalUTCClock.now }
145 |
    :
148 |     }
149 |
150 |     public func duration(to other: InternalUTCClock.Instant) -> Swift.Duration {
    |                 |                                                     `- error: 'Duration' is only available in iOS 16.0 or newer
    |                 `- note: add '@available' attribute to enclosing instance method
151 |         other._value - _value
152 |     }
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/InternalUTCClock.swift:172:55: error: 'Duration' is only available in iOS 16.0 or newer
141 | }
142 |
143 | extension InternalUTCClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
144 |     public static var now: InternalUTCClock.Instant { InternalUTCClock.now }
145 |
    :
169 |
170 |     @inlinable
171 |     public static func + (
    |                        `- note: add '@available' attribute to enclosing operator function
172 |         _ lhs: InternalUTCClock.Instant, _ rhs: Swift.Duration
    |                                                       `- error: 'Duration' is only available in iOS 16.0 or newer
173 |     ) -> InternalUTCClock.Instant {
174 |         lhs.advanced(by: rhs)
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/InternalUTCClock.swift:179:61: error: 'Duration' is only available in iOS 16.0 or newer
141 | }
142 |
143 | extension InternalUTCClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
144 |     public static var now: InternalUTCClock.Instant { InternalUTCClock.now }
145 |
    :
176 |
177 |     @inlinable
178 |     public static func += (
    |                        `- note: add '@available' attribute to enclosing operator function
179 |         _ lhs: inout InternalUTCClock.Instant, _ rhs: Swift.Duration
    |                                                             `- error: 'Duration' is only available in iOS 16.0 or newer
180 |     ) {
181 |         lhs = lhs.advanced(by: rhs)
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/InternalUTCClock.swift:186:55: error: 'Duration' is only available in iOS 16.0 or newer
141 | }
142 |
143 | extension InternalUTCClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
144 |     public static var now: InternalUTCClock.Instant { InternalUTCClock.now }
145 |
    :
183 |
184 |     @inlinable
185 |     public static func - (
    |                        `- note: add '@available' attribute to enclosing operator function
186 |         _ lhs: InternalUTCClock.Instant, _ rhs: Swift.Duration
    |                                                       `- error: 'Duration' is only available in iOS 16.0 or newer
187 |     ) -> InternalUTCClock.Instant {
188 |         lhs.advanced(by: .zero - rhs)
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/InternalUTCClock.swift:193:61: error: 'Duration' is only available in iOS 16.0 or newer
141 | }
142 |
143 | extension InternalUTCClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
144 |     public static var now: InternalUTCClock.Instant { InternalUTCClock.now }
145 |
    :
190 |
191 |     @inlinable
192 |     public static func -= (
    |                        `- note: add '@available' attribute to enclosing operator function
193 |         _ lhs: inout InternalUTCClock.Instant, _ rhs: Swift.Duration
    |                                                             `- error: 'Duration' is only available in iOS 16.0 or newer
194 |     ) {
195 |         lhs = lhs.advanced(by: .zero - rhs)
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/InternalUTCClock.swift:201:16: error: 'Duration' is only available in iOS 16.0 or newer
141 | }
142 |
143 | extension InternalUTCClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
144 |     public static var now: InternalUTCClock.Instant { InternalUTCClock.now }
145 |
    :
197 |
198 |     @inlinable
199 |     public static func - (
    |                        `- note: add '@available' attribute to enclosing operator function
200 |         _ lhs: InternalUTCClock.Instant, _ rhs: InternalUTCClock.Instant
201 |     ) -> Swift.Duration {
    |                `- error: 'Duration' is only available in iOS 16.0 or newer
202 |         rhs.duration(to: lhs)
203 |     }
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/InternalUTCClock.swift:188:32: error: '-' is only available in iOS 16.0 or newer
141 | }
142 |
143 | extension InternalUTCClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
144 |     public static var now: InternalUTCClock.Instant { InternalUTCClock.now }
145 |
    :
183 |
184 |     @inlinable
185 |     public static func - (
    |                        `- note: add '@available' attribute to enclosing operator function
186 |         _ lhs: InternalUTCClock.Instant, _ rhs: Swift.Duration
187 |     ) -> InternalUTCClock.Instant {
188 |         lhs.advanced(by: .zero - rhs)
    |                                |- error: '-' is only available in iOS 16.0 or newer
    |                                `- note: add 'if #available' version check
189 |     }
190 |
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/InternalUTCClock.swift:188:27: error: 'zero' is only available in iOS 16.0 or newer
141 | }
142 |
143 | extension InternalUTCClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
144 |     public static var now: InternalUTCClock.Instant { InternalUTCClock.now }
145 |
    :
183 |
184 |     @inlinable
185 |     public static func - (
    |                        `- note: add '@available' attribute to enclosing operator function
186 |         _ lhs: InternalUTCClock.Instant, _ rhs: Swift.Duration
187 |     ) -> InternalUTCClock.Instant {
188 |         lhs.advanced(by: .zero - rhs)
    |                           |- error: 'zero' is only available in iOS 16.0 or newer
    |                           `- note: add 'if #available' version check
189 |     }
190 |
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/InternalUTCClock.swift:195:38: error: '-' is only available in iOS 16.0 or newer
141 | }
142 |
143 | extension InternalUTCClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
144 |     public static var now: InternalUTCClock.Instant { InternalUTCClock.now }
145 |
    :
190 |
191 |     @inlinable
192 |     public static func -= (
    |                        `- note: add '@available' attribute to enclosing operator function
193 |         _ lhs: inout InternalUTCClock.Instant, _ rhs: Swift.Duration
194 |     ) {
195 |         lhs = lhs.advanced(by: .zero - rhs)
    |                                      |- error: '-' is only available in iOS 16.0 or newer
    |                                      `- note: add 'if #available' version check
196 |     }
197 |
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/InternalUTCClock.swift:195:33: error: 'zero' is only available in iOS 16.0 or newer
141 | }
142 |
143 | extension InternalUTCClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
144 |     public static var now: InternalUTCClock.Instant { InternalUTCClock.now }
145 |
    :
190 |
191 |     @inlinable
192 |     public static func -= (
    |                        `- note: add '@available' attribute to enclosing operator function
193 |         _ lhs: inout InternalUTCClock.Instant, _ rhs: Swift.Duration
194 |     ) {
195 |         lhs = lhs.advanced(by: .zero - rhs)
    |                                 |- error: 'zero' is only available in iOS 16.0 or newer
    |                                 `- note: add 'if #available' version check
196 |     }
197 |
Failed frontend command:
SwiftCompile normal arm64 (in target 'DateTime' from project 'package-datetime')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

/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/DateTime/BenchmarkClock.swift /Users/admin/builder/spi-builder-workspace/Sources/DateTime/Duration+Convenience.swift /Users/admin/builder/spi-builder-workspace/Sources/DateTime/EpochDateTime.swift /Users/admin/builder/spi-builder-workspace/Sources/DateTime/FoundationExports.swift /Users/admin/builder/spi-builder-workspace/Sources/DateTime/InternalUTCClock.swift -target arm64-apple-ios15.0 -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/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/usr/include/Darwin.swiftcrossimport/xlocale.swiftoverlay -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/package-datetime.build/Debug-iphoneos/DateTime-t.build/Objects-normal/arm64/DateTime-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 5 -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/package-datetime.build/Debug-iphoneos/DateTime-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-iphoneos/DateTime-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-iphoneos/DateTime-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name DateTime -package-name spi_builder_workspace -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-iphoneos/DateTime-t.build/Objects-normal/arm64/DateTime_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/package-datetime.build/Debug-iphoneos/DateTime-t.build/Objects-normal/arm64/DateTime.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-iphoneos/DateTime-t.build/Objects-normal/arm64/DateTime.swiftsourceinfo -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-iphoneos/DateTime-t.build/Objects-normal/arm64/DateTime-Swift.h -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-iphoneos/DateTime-t.build/Objects-normal/arm64/DateTime-primary-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-iphoneos/DateTime-t.build/Objects-normal/arm64/DateTime-primary-emit-module.d -parse-as-library -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-iphoneos/DateTime-t.build/Objects-normal/arm64/DateTime.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-iphoneos/DateTime-t.build/Objects-normal/arm64/DateTime.abi.json
SwiftCompile normal arm64 Compiling\ InternalUTCClock.swift /Users/admin/builder/spi-builder-workspace/Sources/DateTime/InternalUTCClock.swift (in target 'DateTime' from project 'package-datetime')
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/InternalUTCClock.swift:27:36: error: 'Duration' is only available in iOS 16.0 or newer
 24 | public struct InternalUTCClock {
 25 |     /// A continuous point in time used for `InternalUTCClock`.
 26 |     public struct Instant: Codable, Sendable {
    |                   `- note: add '@available' attribute to enclosing struct
 27 |         internal var _value: Swift.Duration
    |                                    `- error: 'Duration' is only available in iOS 16.0 or newer
 28 |
 29 |         internal init(_value: Swift.Duration) {
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/InternalUTCClock.swift:29:37: error: 'Duration' is only available in iOS 16.0 or newer
 24 | public struct InternalUTCClock {
 25 |     /// A continuous point in time used for `InternalUTCClock`.
 26 |     public struct Instant: Codable, Sendable {
    |                   `- note: add '@available' attribute to enclosing struct
 27 |         internal var _value: Swift.Duration
 28 |
 29 |         internal init(_value: Swift.Duration) {
    |                  |                  `- error: 'Duration' is only available in iOS 16.0 or newer
    |                  `- note: add '@available' attribute to enclosing initializer
 30 |             self._value = _value
 31 |         }
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/InternalUTCClock.swift:81:18: error: 'Clock' is only available in iOS 16.0 or newer
 79 | }
 80 |
 81 | public extension Clock where Self == InternalUTCClock {
    |        |         `- error: 'Clock' is only available in iOS 16.0 or newer
    |        `- note: add '@available' attribute to enclosing extension
 82 |     /// A clock that measures time that always increments but does not stop
 83 |     /// incrementing while the system is asleep.
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/InternalUTCClock.swift:97:41: error: 'Duration' is only available in iOS 16.0 or newer
 88 | }
 89 |
 90 | extension InternalUTCClock: Clock {
    | `- note: add '@available' attribute to enclosing extension
 91 |     /// The current continuous instant.
 92 |     public var now: InternalUTCClock.Instant {
    :
 95 |
 96 |     /// The minimum non-zero resolution between any two calls to `now`.
 97 |     public var minimumResolution: Swift.Duration {
    |                |                        `- error: 'Duration' is only available in iOS 16.0 or newer
    |                `- note: add '@available' attribute to enclosing property
 98 |         var resolution = timespec()
 99 |
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/InternalUTCClock.swift:137:51: error: 'Duration' is only available in iOS 16.0 or newer
 88 | }
 89 |
 90 | extension InternalUTCClock: Clock {
    | `- note: add '@available' attribute to enclosing extension
 91 |     /// The current continuous instant.
 92 |     public var now: InternalUTCClock.Instant {
    :
134 |     ///
135 |     /// This function doesn't block the underlying thread.
136 |     public func sleep(
    |                 `- note: add '@available' attribute to enclosing instance method
137 |         until deadline: Instant, tolerance: Swift.Duration? = nil
    |                                                   `- error: 'Duration' is only available in iOS 16.0 or newer
138 |     ) async throws {
139 |         try await Task.sleep(until: deadline, tolerance: tolerance, clock: .internalUTC)
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/InternalUTCClock.swift:146:45: error: 'Duration' is only available in iOS 16.0 or newer
141 | }
142 |
143 | extension InternalUTCClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
144 |     public static var now: InternalUTCClock.Instant { InternalUTCClock.now }
145 |
146 |     public func advanced(by duration: Swift.Duration) -> InternalUTCClock.Instant {
    |                 |                           `- error: 'Duration' is only available in iOS 16.0 or newer
    |                 `- note: add '@available' attribute to enclosing instance method
147 |         InternalUTCClock.Instant(_value: _value + duration)
148 |     }
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/InternalUTCClock.swift:150:71: error: 'Duration' is only available in iOS 16.0 or newer
141 | }
142 |
143 | extension InternalUTCClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
144 |     public static var now: InternalUTCClock.Instant { InternalUTCClock.now }
145 |
    :
148 |     }
149 |
150 |     public func duration(to other: InternalUTCClock.Instant) -> Swift.Duration {
    |                 |                                                     `- error: 'Duration' is only available in iOS 16.0 or newer
    |                 `- note: add '@available' attribute to enclosing instance method
151 |         other._value - _value
152 |     }
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/InternalUTCClock.swift:172:55: error: 'Duration' is only available in iOS 16.0 or newer
141 | }
142 |
143 | extension InternalUTCClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
144 |     public static var now: InternalUTCClock.Instant { InternalUTCClock.now }
145 |
    :
169 |
170 |     @inlinable
171 |     public static func + (
    |                        `- note: add '@available' attribute to enclosing operator function
172 |         _ lhs: InternalUTCClock.Instant, _ rhs: Swift.Duration
    |                                                       `- error: 'Duration' is only available in iOS 16.0 or newer
173 |     ) -> InternalUTCClock.Instant {
174 |         lhs.advanced(by: rhs)
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/InternalUTCClock.swift:179:61: error: 'Duration' is only available in iOS 16.0 or newer
141 | }
142 |
143 | extension InternalUTCClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
144 |     public static var now: InternalUTCClock.Instant { InternalUTCClock.now }
145 |
    :
176 |
177 |     @inlinable
178 |     public static func += (
    |                        `- note: add '@available' attribute to enclosing operator function
179 |         _ lhs: inout InternalUTCClock.Instant, _ rhs: Swift.Duration
    |                                                             `- error: 'Duration' is only available in iOS 16.0 or newer
180 |     ) {
181 |         lhs = lhs.advanced(by: rhs)
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/InternalUTCClock.swift:186:55: error: 'Duration' is only available in iOS 16.0 or newer
141 | }
142 |
143 | extension InternalUTCClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
144 |     public static var now: InternalUTCClock.Instant { InternalUTCClock.now }
145 |
    :
183 |
184 |     @inlinable
185 |     public static func - (
    |                        `- note: add '@available' attribute to enclosing operator function
186 |         _ lhs: InternalUTCClock.Instant, _ rhs: Swift.Duration
    |                                                       `- error: 'Duration' is only available in iOS 16.0 or newer
187 |     ) -> InternalUTCClock.Instant {
188 |         lhs.advanced(by: .zero - rhs)
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/InternalUTCClock.swift:193:61: error: 'Duration' is only available in iOS 16.0 or newer
141 | }
142 |
143 | extension InternalUTCClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
144 |     public static var now: InternalUTCClock.Instant { InternalUTCClock.now }
145 |
    :
190 |
191 |     @inlinable
192 |     public static func -= (
    |                        `- note: add '@available' attribute to enclosing operator function
193 |         _ lhs: inout InternalUTCClock.Instant, _ rhs: Swift.Duration
    |                                                             `- error: 'Duration' is only available in iOS 16.0 or newer
194 |     ) {
195 |         lhs = lhs.advanced(by: .zero - rhs)
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/InternalUTCClock.swift:201:16: error: 'Duration' is only available in iOS 16.0 or newer
141 | }
142 |
143 | extension InternalUTCClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
144 |     public static var now: InternalUTCClock.Instant { InternalUTCClock.now }
145 |
    :
197 |
198 |     @inlinable
199 |     public static func - (
    |                        `- note: add '@available' attribute to enclosing operator function
200 |         _ lhs: InternalUTCClock.Instant, _ rhs: InternalUTCClock.Instant
201 |     ) -> Swift.Duration {
    |                `- error: 'Duration' is only available in iOS 16.0 or newer
202 |         rhs.duration(to: lhs)
203 |     }
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/InternalUTCClock.swift:34:28: error: 'Duration' is only available in iOS 16.0 or newer
 24 | public struct InternalUTCClock {
 25 |     /// A continuous point in time used for `InternalUTCClock`.
 26 |     public struct Instant: Codable, Sendable {
    |                   `- note: add '@available' attribute to enclosing struct
 27 |         internal var _value: Swift.Duration
 28 |
    :
 31 |         }
 32 |
 33 |         public init(secondsComponent: Int64, attosecondsComponent: Int64) {
    |                `- note: add '@available' attribute to enclosing initializer
 34 |             _value = Swift.Duration(secondsComponent: secondsComponent, attosecondsComponent: attosecondsComponent)
    |                            |- error: 'Duration' is only available in iOS 16.0 or newer
    |                            `- note: add 'if #available' version check
 35 |         }
 36 |
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/DateTime/InternalUTCClock.swift (in target 'DateTime' from project 'package-datetime')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile InternalUTCClock.swift
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/InternalUTCClock.swift:39:20: error: 'components' is only available in iOS 16.0 or newer
 24 | public struct InternalUTCClock {
 25 |     /// A continuous point in time used for `InternalUTCClock`.
 26 |     public struct Instant: Codable, Sendable {
    |                   `- note: add '@available' attribute to enclosing struct
 27 |         internal var _value: Swift.Duration
 28 |
    :
 36 |
 37 |         @available(*, deprecated, renamed: "seconds")
 38 |         public func secondsSinceEpoch() -> Int64 {
    |                     `- note: add '@available' attribute to enclosing instance method
 39 |             _value.components.seconds
    |                    |- error: 'components' is only available in iOS 16.0 or newer
    |                    `- note: add 'if #available' version check
 40 |         }
 41 |
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/InternalUTCClock.swift:43:20: error: 'components' is only available in iOS 16.0 or newer
 24 | public struct InternalUTCClock {
 25 |     /// A continuous point in time used for `InternalUTCClock`.
 26 |     public struct Instant: Codable, Sendable {
    |                   `- note: add '@available' attribute to enclosing struct
 27 |         internal var _value: Swift.Duration
 28 |
    :
 40 |         }
 41 |
 42 |         public func seconds() -> Int64 {
    |                     `- note: add '@available' attribute to enclosing instance method
 43 |             _value.components.seconds
    |                    |- error: 'components' is only available in iOS 16.0 or newer
    |                    `- note: add 'if #available' version check
 44 |         }
 45 |
SwiftCompile normal arm64 Compiling\ FoundationExports.swift /Users/admin/builder/spi-builder-workspace/Sources/DateTime/FoundationExports.swift (in target 'DateTime' from project 'package-datetime')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/DateTime/FoundationExports.swift (in target 'DateTime' from project 'package-datetime')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile FoundationExports.swift
SwiftCompile normal arm64 Compiling\ EpochDateTime.swift /Users/admin/builder/spi-builder-workspace/Sources/DateTime/EpochDateTime.swift (in target 'DateTime' from project 'package-datetime')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/DateTime/EpochDateTime.swift (in target 'DateTime' from project 'package-datetime')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile EpochDateTime.swift
SwiftCompile normal arm64 Compiling\ BenchmarkClock.swift /Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift (in target 'DateTime' from project 'package-datetime')
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:28:36: error: 'Duration' is only available in iOS 16.0 or newer
 25 | public struct BenchmarkClock {
 26 |     /// A continuous point in time used for `BenchmarkClock`.
 27 |     public struct Instant: Codable, Sendable {
    |                   `- note: add '@available' attribute to enclosing struct
 28 |         internal var _value: Swift.Duration
    |                                    `- error: 'Duration' is only available in iOS 16.0 or newer
 29 |
 30 |         internal init(_value: Swift.Duration) {
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:30:37: error: 'Duration' is only available in iOS 16.0 or newer
 25 | public struct BenchmarkClock {
 26 |     /// A continuous point in time used for `BenchmarkClock`.
 27 |     public struct Instant: Codable, Sendable {
    |                   `- note: add '@available' attribute to enclosing struct
 28 |         internal var _value: Swift.Duration
 29 |
 30 |         internal init(_value: Swift.Duration) {
    |                  |                  `- error: 'Duration' is only available in iOS 16.0 or newer
    |                  `- note: add '@available' attribute to enclosing initializer
 31 |             self._value = _value
 32 |         }
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:38:18: error: 'Clock' is only available in iOS 16.0 or newer
 36 | }
 37 |
 38 | public extension Clock where Self == BenchmarkClock {
    |        |         `- error: 'Clock' is only available in iOS 16.0 or newer
    |        `- note: add '@available' attribute to enclosing extension
 39 |     /// A clock that measures time that always increments but does not stop
 40 |     /// incrementing while the system is asleep.
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:54:41: error: 'Duration' is only available in iOS 16.0 or newer
 45 | }
 46 |
 47 | extension BenchmarkClock: Clock {
    | `- note: add '@available' attribute to enclosing extension
 48 |     /// The current continuous instant.
 49 |     public var now: BenchmarkClock.Instant {
    :
 52 |
 53 |     /// The minimum non-zero resolution between any two calls to `now`.
 54 |     public var minimumResolution: Swift.Duration {
    |                |                        `- error: 'Duration' is only available in iOS 16.0 or newer
    |                `- note: add '@available' attribute to enclosing property
 55 |         #if os(macOS) || os(iOS)
 56 |             return Duration.nanoseconds(1)
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:111:51: error: 'Duration' is only available in iOS 16.0 or newer
 45 | }
 46 |
 47 | extension BenchmarkClock: Clock {
    | `- note: add '@available' attribute to enclosing extension
 48 |     /// The current continuous instant.
 49 |     public var now: BenchmarkClock.Instant {
    :
108 |     ///
109 |     /// This function doesn't block the underlying thread.
110 |     public func sleep(
    |                 `- note: add '@available' attribute to enclosing instance method
111 |         until deadline: Instant, tolerance: Swift.Duration? = nil
    |                                                   `- error: 'Duration' is only available in iOS 16.0 or newer
112 |     ) async throws {
113 |         try await Task.sleep(until: deadline, tolerance: tolerance, clock: .internalUTC)
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:120:45: error: 'Duration' is only available in iOS 16.0 or newer
115 | }
116 |
117 | extension BenchmarkClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
118 |     public static var now: BenchmarkClock.Instant { BenchmarkClock.now }
119 |
120 |     public func advanced(by duration: Swift.Duration) -> BenchmarkClock.Instant {
    |                 |                           `- error: 'Duration' is only available in iOS 16.0 or newer
    |                 `- note: add '@available' attribute to enclosing instance method
121 |         BenchmarkClock.Instant(_value: _value + duration)
122 |     }
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:124:69: error: 'Duration' is only available in iOS 16.0 or newer
115 | }
116 |
117 | extension BenchmarkClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
118 |     public static var now: BenchmarkClock.Instant { BenchmarkClock.now }
119 |
    :
122 |     }
123 |
124 |     public func duration(to other: BenchmarkClock.Instant) -> Swift.Duration {
    |                 |                                                   `- error: 'Duration' is only available in iOS 16.0 or newer
    |                 `- note: add '@available' attribute to enclosing instance method
125 |         other._value - _value
126 |     }
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:146:53: error: 'Duration' is only available in iOS 16.0 or newer
115 | }
116 |
117 | extension BenchmarkClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
118 |     public static var now: BenchmarkClock.Instant { BenchmarkClock.now }
119 |
    :
143 |
144 |     @inlinable
145 |     public static func + (
    |                        `- note: add '@available' attribute to enclosing operator function
146 |         _ lhs: BenchmarkClock.Instant, _ rhs: Swift.Duration
    |                                                     `- error: 'Duration' is only available in iOS 16.0 or newer
147 |     ) -> BenchmarkClock.Instant {
148 |         lhs.advanced(by: rhs)
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:153:59: error: 'Duration' is only available in iOS 16.0 or newer
115 | }
116 |
117 | extension BenchmarkClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
118 |     public static var now: BenchmarkClock.Instant { BenchmarkClock.now }
119 |
    :
150 |
151 |     @inlinable
152 |     public static func += (
    |                        `- note: add '@available' attribute to enclosing operator function
153 |         _ lhs: inout BenchmarkClock.Instant, _ rhs: Swift.Duration
    |                                                           `- error: 'Duration' is only available in iOS 16.0 or newer
154 |     ) {
155 |         lhs = lhs.advanced(by: rhs)
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:160:53: error: 'Duration' is only available in iOS 16.0 or newer
115 | }
116 |
117 | extension BenchmarkClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
118 |     public static var now: BenchmarkClock.Instant { BenchmarkClock.now }
119 |
    :
157 |
158 |     @inlinable
159 |     public static func - (
    |                        `- note: add '@available' attribute to enclosing operator function
160 |         _ lhs: BenchmarkClock.Instant, _ rhs: Swift.Duration
    |                                                     `- error: 'Duration' is only available in iOS 16.0 or newer
161 |     ) -> BenchmarkClock.Instant {
162 |         lhs.advanced(by: .zero - rhs)
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:167:59: error: 'Duration' is only available in iOS 16.0 or newer
115 | }
116 |
117 | extension BenchmarkClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
118 |     public static var now: BenchmarkClock.Instant { BenchmarkClock.now }
119 |
    :
164 |
165 |     @inlinable
166 |     public static func -= (
    |                        `- note: add '@available' attribute to enclosing operator function
167 |         _ lhs: inout BenchmarkClock.Instant, _ rhs: Swift.Duration
    |                                                           `- error: 'Duration' is only available in iOS 16.0 or newer
168 |     ) {
169 |         lhs = lhs.advanced(by: .zero - rhs)
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:175:16: error: 'Duration' is only available in iOS 16.0 or newer
115 | }
116 |
117 | extension BenchmarkClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
118 |     public static var now: BenchmarkClock.Instant { BenchmarkClock.now }
119 |
    :
171 |
172 |     @inlinable
173 |     public static func - (
    |                        `- note: add '@available' attribute to enclosing operator function
174 |         _ lhs: BenchmarkClock.Instant, _ rhs: BenchmarkClock.Instant
175 |     ) -> Swift.Duration {
    |                `- error: 'Duration' is only available in iOS 16.0 or newer
176 |         rhs.duration(to: lhs)
177 |     }
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:56:29: error: 'nanoseconds' is only available in iOS 16.0 or newer
 45 | }
 46 |
 47 | extension BenchmarkClock: Clock {
    | `- note: add '@available' attribute to enclosing extension
 48 |     /// The current continuous instant.
 49 |     public var now: BenchmarkClock.Instant {
    :
 52 |
 53 |     /// The minimum non-zero resolution between any two calls to `now`.
 54 |     public var minimumResolution: Swift.Duration {
    |                `- note: add '@available' attribute to enclosing property
 55 |         #if os(macOS) || os(iOS)
 56 |             return Duration.nanoseconds(1)
    |                             |- error: 'nanoseconds' is only available in iOS 16.0 or newer
    |                             `- note: add 'if #available' version check
 57 |         #elseif os(Linux)
 58 |             var resolution = timespec()
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:113:24: error: 'sleep(until:tolerance:clock:)' is only available in iOS 16.0 or newer
 45 | }
 46 |
 47 | extension BenchmarkClock: Clock {
    | `- note: add '@available' attribute to enclosing extension
 48 |     /// The current continuous instant.
 49 |     public var now: BenchmarkClock.Instant {
    :
108 |     ///
109 |     /// This function doesn't block the underlying thread.
110 |     public func sleep(
    |                 `- note: add '@available' attribute to enclosing instance method
111 |         until deadline: Instant, tolerance: Swift.Duration? = nil
112 |     ) async throws {
113 |         try await Task.sleep(until: deadline, tolerance: tolerance, clock: .internalUTC)
    |                        |- error: 'sleep(until:tolerance:clock:)' is only available in iOS 16.0 or newer
    |                        `- note: add 'if #available' version check
114 |     }
115 | }
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:121:47: warning: conformance of 'Duration' to 'AdditiveArithmetic' is only available in iOS 16.0 or newer; this is an error in the Swift 6 language mode
115 | }
116 |
117 | extension BenchmarkClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
118 |     public static var now: BenchmarkClock.Instant { BenchmarkClock.now }
119 |
120 |     public func advanced(by duration: Swift.Duration) -> BenchmarkClock.Instant {
    |                 `- note: add '@available' attribute to enclosing instance method
121 |         BenchmarkClock.Instant(_value: _value + duration)
    |                                               |- warning: conformance of 'Duration' to 'AdditiveArithmetic' is only available in iOS 16.0 or newer; this is an error in the Swift 6 language mode
    |                                               `- note: add 'if #available' version check
122 |     }
123 |
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:125:22: warning: conformance of 'Duration' to 'AdditiveArithmetic' is only available in iOS 16.0 or newer; this is an error in the Swift 6 language mode
115 | }
116 |
117 | extension BenchmarkClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
118 |     public static var now: BenchmarkClock.Instant { BenchmarkClock.now }
119 |
    :
122 |     }
123 |
124 |     public func duration(to other: BenchmarkClock.Instant) -> Swift.Duration {
    |                 `- note: add '@available' attribute to enclosing instance method
125 |         other._value - _value
    |                      |- warning: conformance of 'Duration' to 'AdditiveArithmetic' is only available in iOS 16.0 or newer; this is an error in the Swift 6 language mode
    |                      `- note: add 'if #available' version check
126 |     }
127 |
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:129:16: warning: conformance of 'Duration' to 'Hashable' is only available in iOS 16.0 or newer; this is an error in the Swift 6 language mode
115 | }
116 |
117 | extension BenchmarkClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
118 |     public static var now: BenchmarkClock.Instant { BenchmarkClock.now }
119 |
    :
126 |     }
127 |
128 |     public func hash(into hasher: inout Hasher) {
    |                 `- note: add '@available' attribute to enclosing instance method
129 |         hasher.combine(_value)
    |                |- warning: conformance of 'Duration' to 'Hashable' is only available in iOS 16.0 or newer; this is an error in the Swift 6 language mode
    |                `- note: add 'if #available' version check
130 |     }
131 |
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:135:20: warning: conformance of 'Duration' to 'Equatable' is only available in iOS 16.0 or newer; this is an error in the Swift 6 language mode
115 | }
116 |
117 | extension BenchmarkClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
118 |     public static var now: BenchmarkClock.Instant { BenchmarkClock.now }
119 |
    :
130 |     }
131 |
132 |     public static func == (
    |                        `- note: add '@available' attribute to enclosing operator function
133 |         _ lhs: BenchmarkClock.Instant, _ rhs: BenchmarkClock.Instant
134 |     ) -> Bool {
135 |         lhs._value == rhs._value
    |                    |- warning: conformance of 'Duration' to 'Equatable' is only available in iOS 16.0 or newer; this is an error in the Swift 6 language mode
    |                    `- note: add 'if #available' version check
136 |     }
137 |
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:141:20: warning: conformance of 'Duration' to 'Comparable' is only available in iOS 16.0 or newer; this is an error in the Swift 6 language mode
115 | }
116 |
117 | extension BenchmarkClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
118 |     public static var now: BenchmarkClock.Instant { BenchmarkClock.now }
119 |
    :
136 |     }
137 |
138 |     public static func < (
    |                        `- note: add '@available' attribute to enclosing operator function
139 |         _ lhs: BenchmarkClock.Instant, _ rhs: BenchmarkClock.Instant
140 |     ) -> Bool {
141 |         lhs._value < rhs._value
    |                    |- warning: conformance of 'Duration' to 'Comparable' is only available in iOS 16.0 or newer; this is an error in the Swift 6 language mode
    |                    `- note: add 'if #available' version check
142 |     }
143 |
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:162:32: error: '-' is only available in iOS 16.0 or newer
115 | }
116 |
117 | extension BenchmarkClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
118 |     public static var now: BenchmarkClock.Instant { BenchmarkClock.now }
119 |
    :
157 |
158 |     @inlinable
159 |     public static func - (
    |                        `- note: add '@available' attribute to enclosing operator function
160 |         _ lhs: BenchmarkClock.Instant, _ rhs: Swift.Duration
161 |     ) -> BenchmarkClock.Instant {
162 |         lhs.advanced(by: .zero - rhs)
    |                                |- error: '-' is only available in iOS 16.0 or newer
    |                                `- note: add 'if #available' version check
163 |     }
164 |
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:162:27: error: 'zero' is only available in iOS 16.0 or newer
115 | }
116 |
117 | extension BenchmarkClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
118 |     public static var now: BenchmarkClock.Instant { BenchmarkClock.now }
119 |
    :
157 |
158 |     @inlinable
159 |     public static func - (
    |                        `- note: add '@available' attribute to enclosing operator function
160 |         _ lhs: BenchmarkClock.Instant, _ rhs: Swift.Duration
161 |     ) -> BenchmarkClock.Instant {
162 |         lhs.advanced(by: .zero - rhs)
    |                           |- error: 'zero' is only available in iOS 16.0 or newer
    |                           `- note: add 'if #available' version check
163 |     }
164 |
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:169:38: error: '-' is only available in iOS 16.0 or newer
115 | }
116 |
117 | extension BenchmarkClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
118 |     public static var now: BenchmarkClock.Instant { BenchmarkClock.now }
119 |
    :
164 |
165 |     @inlinable
166 |     public static func -= (
    |                        `- note: add '@available' attribute to enclosing operator function
167 |         _ lhs: inout BenchmarkClock.Instant, _ rhs: Swift.Duration
168 |     ) {
169 |         lhs = lhs.advanced(by: .zero - rhs)
    |                                      |- error: '-' is only available in iOS 16.0 or newer
    |                                      `- note: add 'if #available' version check
170 |     }
171 |
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift (in target 'DateTime' from project 'package-datetime')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile BenchmarkClock.swift
SwiftCompile normal arm64 Compiling\ Duration+Convenience.swift /Users/admin/builder/spi-builder-workspace/Sources/DateTime/Duration+Convenience.swift (in target 'DateTime' from project 'package-datetime')
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/Duration+Convenience.swift:1:18: error: 'Duration' is only available in iOS 16.0 or newer
1 | public extension Duration {
  |        |         `- error: 'Duration' is only available in iOS 16.0 or newer
  |        `- note: add '@available' attribute to enclosing extension
2 |     func nanoseconds() -> Int64 {
3 |         (components.seconds * 1_000_000_000) + (components.attoseconds / 1_000_000_000)
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/Duration+Convenience.swift:3:10: error: 'components' is only available in iOS 16.0 or newer
1 | public extension Duration {
  |        `- note: add '@available' attribute to enclosing extension
2 |     func nanoseconds() -> Int64 {
  |          `- note: add '@available' attribute to enclosing instance method
3 |         (components.seconds * 1_000_000_000) + (components.attoseconds / 1_000_000_000)
  |          |- error: 'components' is only available in iOS 16.0 or newer
  |          `- note: add 'if #available' version check
4 |     }
5 | }
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/DateTime/Duration+Convenience.swift (in target 'DateTime' from project 'package-datetime')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile Duration+Convenience.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
2026-09-19 05:23:30.233 xcodebuild[627:3894] [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 'DateTime' from project 'package-datetime')
	SwiftEmitModule normal arm64 Emitting\ module\ for\ DateTime (in target 'DateTime' from project 'package-datetime')
	Building workspace package-datetime with scheme package-datetime
(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:
  package-datetime: /Users/admin/builder/spi-builder-workspace
resolved source packages: package-datetime
2026-09-19 05:23:34.791 xcodebuild[676:4143] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "package-datetime",
  "name" : "package-datetime",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "14.0"
    }
  ],
  "products" : [
    {
      "name" : "DateTime",
      "targets" : [
        "DateTime"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "EpochDateTimeTests",
      "module_type" : "SwiftTarget",
      "name" : "EpochDateTimeTests",
      "path" : "Tests/EpochDateTimeTests",
      "sources" : [
        "EpochDateTimeTests.swift"
      ],
      "target_dependencies" : [
        "DateTime"
      ],
      "type" : "test"
    },
    {
      "c99name" : "DateTimeTests",
      "module_type" : "SwiftTarget",
      "name" : "DateTimeTests",
      "path" : "Tests/DateTimeTests",
      "sources" : [
        "DateTimeTests.swift"
      ],
      "target_dependencies" : [
        "DateTime"
      ],
      "type" : "test"
    },
    {
      "c99name" : "DateTime",
      "module_type" : "SwiftTarget",
      "name" : "DateTime",
      "path" : "Sources/DateTime",
      "product_memberships" : [
        "DateTime"
      ],
      "sources" : [
        "BenchmarkClock.swift",
        "Duration+Convenience.swift",
        "EpochDateTime.swift",
        "FoundationExports.swift",
        "InternalUTCClock.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.9"
}
{
  "workspace" : {
    "name" : "package-datetime",
    "schemes" : [
      "package-datetime"
    ]
  }
}
2026-09-19 05:23:36.010 xcodebuild[704:4358] [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 package-datetime -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 package-datetime -destination generic/platform=iOS
Resolve Package Graph
Resolved source packages:
  package-datetime: /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 'DateTime-product' in project 'package-datetime'
        ➜ Explicit dependency on target 'DateTime' in project 'package-datetime'
    Target 'DateTime' in project 'package-datetime' (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 DateTime normal arm64 com.apple.xcode.tools.swift.compiler (in target 'DateTime' from project 'package-datetime')
    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 DateTime -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-iphoneos/DateTime-t.build/Objects-normal/arm64/DateTime.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 5 -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/package-datetime.build/Debug-iphoneos/DateTime-t.build/Objects-normal/arm64/DateTime-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/package-datetime.build/Debug-iphoneos/DateTime-t.build/Objects-normal/arm64/DateTime.swiftmodule -serialize-diagnostics -dependency-scan-serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-iphoneos/DateTime-t.build/Objects-normal/arm64/DateTime-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/package-datetime.build/Debug-iphoneos/DateTime-t.build/Objects-normal/arm64/DateTime_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/package-datetime.build/Debug-iphoneos/DateTime-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-iphoneos/DateTime-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-iphoneos/DateTime-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/package-datetime.build/Debug-iphoneos/DateTime-t.build/Objects-normal/arm64/DateTime-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftCompile normal arm64 Compiling\ BenchmarkClock.swift /Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift (in target 'DateTime' from project 'package-datetime')
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:28:36: error: 'Duration' is only available in iOS 16.0 or newer
 25 | public struct BenchmarkClock {
 26 |     /// A continuous point in time used for `BenchmarkClock`.
 27 |     public struct Instant: Codable, Sendable {
    |                   `- note: add '@available' attribute to enclosing struct
 28 |         internal var _value: Swift.Duration
    |                                    `- error: 'Duration' is only available in iOS 16.0 or newer
 29 |
 30 |         internal init(_value: Swift.Duration) {
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:30:37: error: 'Duration' is only available in iOS 16.0 or newer
 25 | public struct BenchmarkClock {
 26 |     /// A continuous point in time used for `BenchmarkClock`.
 27 |     public struct Instant: Codable, Sendable {
    |                   `- note: add '@available' attribute to enclosing struct
 28 |         internal var _value: Swift.Duration
 29 |
 30 |         internal init(_value: Swift.Duration) {
    |                  |                  `- error: 'Duration' is only available in iOS 16.0 or newer
    |                  `- note: add '@available' attribute to enclosing initializer
 31 |             self._value = _value
 32 |         }
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:38:18: error: 'Clock' is only available in iOS 16.0 or newer
 36 | }
 37 |
 38 | public extension Clock where Self == BenchmarkClock {
    |        |         `- error: 'Clock' is only available in iOS 16.0 or newer
    |        `- note: add '@available' attribute to enclosing extension
 39 |     /// A clock that measures time that always increments but does not stop
 40 |     /// incrementing while the system is asleep.
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:54:41: error: 'Duration' is only available in iOS 16.0 or newer
 45 | }
 46 |
 47 | extension BenchmarkClock: Clock {
    | `- note: add '@available' attribute to enclosing extension
 48 |     /// The current continuous instant.
 49 |     public var now: BenchmarkClock.Instant {
    :
 52 |
 53 |     /// The minimum non-zero resolution between any two calls to `now`.
 54 |     public var minimumResolution: Swift.Duration {
    |                |                        `- error: 'Duration' is only available in iOS 16.0 or newer
    |                `- note: add '@available' attribute to enclosing property
 55 |         #if os(macOS) || os(iOS)
 56 |             return Duration.nanoseconds(1)
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:111:51: error: 'Duration' is only available in iOS 16.0 or newer
 45 | }
 46 |
 47 | extension BenchmarkClock: Clock {
    | `- note: add '@available' attribute to enclosing extension
 48 |     /// The current continuous instant.
 49 |     public var now: BenchmarkClock.Instant {
    :
108 |     ///
109 |     /// This function doesn't block the underlying thread.
110 |     public func sleep(
    |                 `- note: add '@available' attribute to enclosing instance method
111 |         until deadline: Instant, tolerance: Swift.Duration? = nil
    |                                                   `- error: 'Duration' is only available in iOS 16.0 or newer
112 |     ) async throws {
113 |         try await Task.sleep(until: deadline, tolerance: tolerance, clock: .internalUTC)
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:120:45: error: 'Duration' is only available in iOS 16.0 or newer
115 | }
116 |
117 | extension BenchmarkClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
118 |     public static var now: BenchmarkClock.Instant { BenchmarkClock.now }
119 |
120 |     public func advanced(by duration: Swift.Duration) -> BenchmarkClock.Instant {
    |                 |                           `- error: 'Duration' is only available in iOS 16.0 or newer
    |                 `- note: add '@available' attribute to enclosing instance method
121 |         BenchmarkClock.Instant(_value: _value + duration)
122 |     }
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:124:69: error: 'Duration' is only available in iOS 16.0 or newer
115 | }
116 |
117 | extension BenchmarkClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
118 |     public static var now: BenchmarkClock.Instant { BenchmarkClock.now }
119 |
    :
122 |     }
123 |
124 |     public func duration(to other: BenchmarkClock.Instant) -> Swift.Duration {
    |                 |                                                   `- error: 'Duration' is only available in iOS 16.0 or newer
    |                 `- note: add '@available' attribute to enclosing instance method
125 |         other._value - _value
126 |     }
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:146:53: error: 'Duration' is only available in iOS 16.0 or newer
115 | }
116 |
117 | extension BenchmarkClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
118 |     public static var now: BenchmarkClock.Instant { BenchmarkClock.now }
119 |
    :
143 |
144 |     @inlinable
145 |     public static func + (
    |                        `- note: add '@available' attribute to enclosing operator function
146 |         _ lhs: BenchmarkClock.Instant, _ rhs: Swift.Duration
    |                                                     `- error: 'Duration' is only available in iOS 16.0 or newer
147 |     ) -> BenchmarkClock.Instant {
148 |         lhs.advanced(by: rhs)
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:153:59: error: 'Duration' is only available in iOS 16.0 or newer
115 | }
116 |
117 | extension BenchmarkClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
118 |     public static var now: BenchmarkClock.Instant { BenchmarkClock.now }
119 |
    :
150 |
151 |     @inlinable
152 |     public static func += (
    |                        `- note: add '@available' attribute to enclosing operator function
153 |         _ lhs: inout BenchmarkClock.Instant, _ rhs: Swift.Duration
    |                                                           `- error: 'Duration' is only available in iOS 16.0 or newer
154 |     ) {
155 |         lhs = lhs.advanced(by: rhs)
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:160:53: error: 'Duration' is only available in iOS 16.0 or newer
115 | }
116 |
117 | extension BenchmarkClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
118 |     public static var now: BenchmarkClock.Instant { BenchmarkClock.now }
119 |
    :
157 |
158 |     @inlinable
159 |     public static func - (
    |                        `- note: add '@available' attribute to enclosing operator function
160 |         _ lhs: BenchmarkClock.Instant, _ rhs: Swift.Duration
    |                                                     `- error: 'Duration' is only available in iOS 16.0 or newer
161 |     ) -> BenchmarkClock.Instant {
162 |         lhs.advanced(by: .zero - rhs)
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:167:59: error: 'Duration' is only available in iOS 16.0 or newer
115 | }
116 |
117 | extension BenchmarkClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
118 |     public static var now: BenchmarkClock.Instant { BenchmarkClock.now }
119 |
    :
164 |
165 |     @inlinable
166 |     public static func -= (
    |                        `- note: add '@available' attribute to enclosing operator function
167 |         _ lhs: inout BenchmarkClock.Instant, _ rhs: Swift.Duration
    |                                                           `- error: 'Duration' is only available in iOS 16.0 or newer
168 |     ) {
169 |         lhs = lhs.advanced(by: .zero - rhs)
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:175:16: error: 'Duration' is only available in iOS 16.0 or newer
115 | }
116 |
117 | extension BenchmarkClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
118 |     public static var now: BenchmarkClock.Instant { BenchmarkClock.now }
119 |
    :
171 |
172 |     @inlinable
173 |     public static func - (
    |                        `- note: add '@available' attribute to enclosing operator function
174 |         _ lhs: BenchmarkClock.Instant, _ rhs: BenchmarkClock.Instant
175 |     ) -> Swift.Duration {
    |                `- error: 'Duration' is only available in iOS 16.0 or newer
176 |         rhs.duration(to: lhs)
177 |     }
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:56:29: error: 'nanoseconds' is only available in iOS 16.0 or newer
 45 | }
 46 |
 47 | extension BenchmarkClock: Clock {
    | `- note: add '@available' attribute to enclosing extension
 48 |     /// The current continuous instant.
 49 |     public var now: BenchmarkClock.Instant {
    :
 52 |
 53 |     /// The minimum non-zero resolution between any two calls to `now`.
 54 |     public var minimumResolution: Swift.Duration {
    |                `- note: add '@available' attribute to enclosing property
 55 |         #if os(macOS) || os(iOS)
 56 |             return Duration.nanoseconds(1)
    |                             |- error: 'nanoseconds' is only available in iOS 16.0 or newer
    |                             `- note: add 'if #available' version check
 57 |         #elseif os(Linux)
 58 |             var resolution = timespec()
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift (in target 'DateTime' from project 'package-datetime')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile BenchmarkClock.swift
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:113:24: error: 'sleep(until:tolerance:clock:)' is only available in iOS 16.0 or newer
 45 | }
 46 |
 47 | extension BenchmarkClock: Clock {
    | `- note: add '@available' attribute to enclosing extension
 48 |     /// The current continuous instant.
 49 |     public var now: BenchmarkClock.Instant {
    :
108 |     ///
109 |     /// This function doesn't block the underlying thread.
110 |     public func sleep(
    |                 `- note: add '@available' attribute to enclosing instance method
111 |         until deadline: Instant, tolerance: Swift.Duration? = nil
112 |     ) async throws {
113 |         try await Task.sleep(until: deadline, tolerance: tolerance, clock: .internalUTC)
    |                        |- error: 'sleep(until:tolerance:clock:)' is only available in iOS 16.0 or newer
    |                        `- note: add 'if #available' version check
114 |     }
115 | }
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:121:47: warning: conformance of 'Duration' to 'AdditiveArithmetic' is only available in iOS 16.0 or newer; this is an error in the Swift 6 language mode
115 | }
116 |
117 | extension BenchmarkClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
118 |     public static var now: BenchmarkClock.Instant { BenchmarkClock.now }
119 |
120 |     public func advanced(by duration: Swift.Duration) -> BenchmarkClock.Instant {
    |                 `- note: add '@available' attribute to enclosing instance method
121 |         BenchmarkClock.Instant(_value: _value + duration)
    |                                               |- warning: conformance of 'Duration' to 'AdditiveArithmetic' is only available in iOS 16.0 or newer; this is an error in the Swift 6 language mode
    |                                               `- note: add 'if #available' version check
122 |     }
123 |
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:125:22: warning: conformance of 'Duration' to 'AdditiveArithmetic' is only available in iOS 16.0 or newer; this is an error in the Swift 6 language mode
115 | }
116 |
117 | extension BenchmarkClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
118 |     public static var now: BenchmarkClock.Instant { BenchmarkClock.now }
119 |
    :
122 |     }
123 |
124 |     public func duration(to other: BenchmarkClock.Instant) -> Swift.Duration {
    |                 `- note: add '@available' attribute to enclosing instance method
125 |         other._value - _value
    |                      |- warning: conformance of 'Duration' to 'AdditiveArithmetic' is only available in iOS 16.0 or newer; this is an error in the Swift 6 language mode
    |                      `- note: add 'if #available' version check
126 |     }
127 |
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:129:16: warning: conformance of 'Duration' to 'Hashable' is only available in iOS 16.0 or newer; this is an error in the Swift 6 language mode
115 | }
116 |
117 | extension BenchmarkClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
118 |     public static var now: BenchmarkClock.Instant { BenchmarkClock.now }
119 |
    :
126 |     }
127 |
128 |     public func hash(into hasher: inout Hasher) {
    |                 `- note: add '@available' attribute to enclosing instance method
129 |         hasher.combine(_value)
    |                |- warning: conformance of 'Duration' to 'Hashable' is only available in iOS 16.0 or newer; this is an error in the Swift 6 language mode
    |                `- note: add 'if #available' version check
130 |     }
131 |
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:135:20: warning: conformance of 'Duration' to 'Equatable' is only available in iOS 16.0 or newer; this is an error in the Swift 6 language mode
115 | }
116 |
117 | extension BenchmarkClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
118 |     public static var now: BenchmarkClock.Instant { BenchmarkClock.now }
119 |
    :
130 |     }
131 |
132 |     public static func == (
    |                        `- note: add '@available' attribute to enclosing operator function
133 |         _ lhs: BenchmarkClock.Instant, _ rhs: BenchmarkClock.Instant
134 |     ) -> Bool {
135 |         lhs._value == rhs._value
    |                    |- warning: conformance of 'Duration' to 'Equatable' is only available in iOS 16.0 or newer; this is an error in the Swift 6 language mode
    |                    `- note: add 'if #available' version check
136 |     }
137 |
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:141:20: warning: conformance of 'Duration' to 'Comparable' is only available in iOS 16.0 or newer; this is an error in the Swift 6 language mode
115 | }
116 |
117 | extension BenchmarkClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
118 |     public static var now: BenchmarkClock.Instant { BenchmarkClock.now }
119 |
    :
136 |     }
137 |
138 |     public static func < (
    |                        `- note: add '@available' attribute to enclosing operator function
139 |         _ lhs: BenchmarkClock.Instant, _ rhs: BenchmarkClock.Instant
140 |     ) -> Bool {
141 |         lhs._value < rhs._value
    |                    |- warning: conformance of 'Duration' to 'Comparable' is only available in iOS 16.0 or newer; this is an error in the Swift 6 language mode
    |                    `- note: add 'if #available' version check
142 |     }
143 |
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:162:32: error: '-' is only available in iOS 16.0 or newer
115 | }
116 |
117 | extension BenchmarkClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
118 |     public static var now: BenchmarkClock.Instant { BenchmarkClock.now }
119 |
    :
157 |
158 |     @inlinable
159 |     public static func - (
    |                        `- note: add '@available' attribute to enclosing operator function
160 |         _ lhs: BenchmarkClock.Instant, _ rhs: Swift.Duration
161 |     ) -> BenchmarkClock.Instant {
162 |         lhs.advanced(by: .zero - rhs)
    |                                |- error: '-' is only available in iOS 16.0 or newer
    |                                `- note: add 'if #available' version check
163 |     }
164 |
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:162:27: error: 'zero' is only available in iOS 16.0 or newer
115 | }
116 |
117 | extension BenchmarkClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
118 |     public static var now: BenchmarkClock.Instant { BenchmarkClock.now }
119 |
    :
157 |
158 |     @inlinable
159 |     public static func - (
    |                        `- note: add '@available' attribute to enclosing operator function
160 |         _ lhs: BenchmarkClock.Instant, _ rhs: Swift.Duration
161 |     ) -> BenchmarkClock.Instant {
162 |         lhs.advanced(by: .zero - rhs)
    |                           |- error: 'zero' is only available in iOS 16.0 or newer
    |                           `- note: add 'if #available' version check
163 |     }
164 |
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:169:38: error: '-' is only available in iOS 16.0 or newer
115 | }
116 |
117 | extension BenchmarkClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
118 |     public static var now: BenchmarkClock.Instant { BenchmarkClock.now }
119 |
    :
164 |
165 |     @inlinable
166 |     public static func -= (
    |                        `- note: add '@available' attribute to enclosing operator function
167 |         _ lhs: inout BenchmarkClock.Instant, _ rhs: Swift.Duration
168 |     ) {
169 |         lhs = lhs.advanced(by: .zero - rhs)
    |                                      |- error: '-' is only available in iOS 16.0 or newer
    |                                      `- note: add 'if #available' version check
170 |     }
171 |
SwiftCompile normal arm64 Compiling\ FoundationExports.swift /Users/admin/builder/spi-builder-workspace/Sources/DateTime/FoundationExports.swift (in target 'DateTime' from project 'package-datetime')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/DateTime/FoundationExports.swift (in target 'DateTime' from project 'package-datetime')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile FoundationExports.swift
SwiftCompile normal arm64 Compiling\ Duration+Convenience.swift /Users/admin/builder/spi-builder-workspace/Sources/DateTime/Duration+Convenience.swift (in target 'DateTime' from project 'package-datetime')
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/Duration+Convenience.swift:1:18: error: 'Duration' is only available in iOS 16.0 or newer
1 | public extension Duration {
  |        |         `- error: 'Duration' is only available in iOS 16.0 or newer
  |        `- note: add '@available' attribute to enclosing extension
2 |     func nanoseconds() -> Int64 {
3 |         (components.seconds * 1_000_000_000) + (components.attoseconds / 1_000_000_000)
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/Duration+Convenience.swift:3:10: error: 'components' is only available in iOS 16.0 or newer
1 | public extension Duration {
  |        `- note: add '@available' attribute to enclosing extension
2 |     func nanoseconds() -> Int64 {
  |          `- note: add '@available' attribute to enclosing instance method
3 |         (components.seconds * 1_000_000_000) + (components.attoseconds / 1_000_000_000)
  |          |- error: 'components' is only available in iOS 16.0 or newer
  |          `- note: add 'if #available' version check
4 |     }
5 | }
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/DateTime/Duration+Convenience.swift (in target 'DateTime' from project 'package-datetime')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile Duration+Convenience.swift
SwiftCompile normal arm64 Compiling\ EpochDateTime.swift /Users/admin/builder/spi-builder-workspace/Sources/DateTime/EpochDateTime.swift (in target 'DateTime' from project 'package-datetime')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/DateTime/EpochDateTime.swift (in target 'DateTime' from project 'package-datetime')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile EpochDateTime.swift
SwiftEmitModule normal arm64 Emitting\ module\ for\ DateTime (in target 'DateTime' from project 'package-datetime')
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:28:36: error: 'Duration' is only available in iOS 16.0 or newer
 25 | public struct BenchmarkClock {
 26 |     /// A continuous point in time used for `BenchmarkClock`.
 27 |     public struct Instant: Codable, Sendable {
    |                   `- note: add '@available' attribute to enclosing struct
 28 |         internal var _value: Swift.Duration
    |                                    `- error: 'Duration' is only available in iOS 16.0 or newer
 29 |
 30 |         internal init(_value: Swift.Duration) {
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:30:37: error: 'Duration' is only available in iOS 16.0 or newer
 25 | public struct BenchmarkClock {
 26 |     /// A continuous point in time used for `BenchmarkClock`.
 27 |     public struct Instant: Codable, Sendable {
    |                   `- note: add '@available' attribute to enclosing struct
 28 |         internal var _value: Swift.Duration
 29 |
 30 |         internal init(_value: Swift.Duration) {
    |                  |                  `- error: 'Duration' is only available in iOS 16.0 or newer
    |                  `- note: add '@available' attribute to enclosing initializer
 31 |             self._value = _value
 32 |         }
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:38:18: error: 'Clock' is only available in iOS 16.0 or newer
 36 | }
 37 |
 38 | public extension Clock where Self == BenchmarkClock {
    |        |         `- error: 'Clock' is only available in iOS 16.0 or newer
    |        `- note: add '@available' attribute to enclosing extension
 39 |     /// A clock that measures time that always increments but does not stop
 40 |     /// incrementing while the system is asleep.
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:54:41: error: 'Duration' is only available in iOS 16.0 or newer
 45 | }
 46 |
 47 | extension BenchmarkClock: Clock {
    | `- note: add '@available' attribute to enclosing extension
 48 |     /// The current continuous instant.
 49 |     public var now: BenchmarkClock.Instant {
    :
 52 |
 53 |     /// The minimum non-zero resolution between any two calls to `now`.
 54 |     public var minimumResolution: Swift.Duration {
    |                |                        `- error: 'Duration' is only available in iOS 16.0 or newer
    |                `- note: add '@available' attribute to enclosing property
 55 |         #if os(macOS) || os(iOS)
 56 |             return Duration.nanoseconds(1)
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:111:51: error: 'Duration' is only available in iOS 16.0 or newer
 45 | }
 46 |
 47 | extension BenchmarkClock: Clock {
    | `- note: add '@available' attribute to enclosing extension
 48 |     /// The current continuous instant.
 49 |     public var now: BenchmarkClock.Instant {
    :
108 |     ///
109 |     /// This function doesn't block the underlying thread.
110 |     public func sleep(
    |                 `- note: add '@available' attribute to enclosing instance method
111 |         until deadline: Instant, tolerance: Swift.Duration? = nil
    |                                                   `- error: 'Duration' is only available in iOS 16.0 or newer
112 |     ) async throws {
113 |         try await Task.sleep(until: deadline, tolerance: tolerance, clock: .internalUTC)
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:120:45: error: 'Duration' is only available in iOS 16.0 or newer
115 | }
116 |
117 | extension BenchmarkClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
118 |     public static var now: BenchmarkClock.Instant { BenchmarkClock.now }
119 |
120 |     public func advanced(by duration: Swift.Duration) -> BenchmarkClock.Instant {
    |                 |                           `- error: 'Duration' is only available in iOS 16.0 or newer
    |                 `- note: add '@available' attribute to enclosing instance method
121 |         BenchmarkClock.Instant(_value: _value + duration)
122 |     }
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:124:69: error: 'Duration' is only available in iOS 16.0 or newer
115 | }
116 |
117 | extension BenchmarkClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
118 |     public static var now: BenchmarkClock.Instant { BenchmarkClock.now }
119 |
    :
122 |     }
123 |
124 |     public func duration(to other: BenchmarkClock.Instant) -> Swift.Duration {
    |                 |                                                   `- error: 'Duration' is only available in iOS 16.0 or newer
    |                 `- note: add '@available' attribute to enclosing instance method
125 |         other._value - _value
126 |     }
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:146:53: error: 'Duration' is only available in iOS 16.0 or newer
115 | }
116 |
117 | extension BenchmarkClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
118 |     public static var now: BenchmarkClock.Instant { BenchmarkClock.now }
119 |
    :
143 |
144 |     @inlinable
145 |     public static func + (
    |                        `- note: add '@available' attribute to enclosing operator function
146 |         _ lhs: BenchmarkClock.Instant, _ rhs: Swift.Duration
    |                                                     `- error: 'Duration' is only available in iOS 16.0 or newer
147 |     ) -> BenchmarkClock.Instant {
148 |         lhs.advanced(by: rhs)
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:153:59: error: 'Duration' is only available in iOS 16.0 or newer
115 | }
116 |
117 | extension BenchmarkClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
118 |     public static var now: BenchmarkClock.Instant { BenchmarkClock.now }
119 |
    :
150 |
151 |     @inlinable
152 |     public static func += (
    |                        `- note: add '@available' attribute to enclosing operator function
153 |         _ lhs: inout BenchmarkClock.Instant, _ rhs: Swift.Duration
    |                                                           `- error: 'Duration' is only available in iOS 16.0 or newer
154 |     ) {
155 |         lhs = lhs.advanced(by: rhs)
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:160:53: error: 'Duration' is only available in iOS 16.0 or newer
115 | }
116 |
117 | extension BenchmarkClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
118 |     public static var now: BenchmarkClock.Instant { BenchmarkClock.now }
119 |
    :
157 |
158 |     @inlinable
159 |     public static func - (
    |                        `- note: add '@available' attribute to enclosing operator function
160 |         _ lhs: BenchmarkClock.Instant, _ rhs: Swift.Duration
    |                                                     `- error: 'Duration' is only available in iOS 16.0 or newer
161 |     ) -> BenchmarkClock.Instant {
162 |         lhs.advanced(by: .zero - rhs)
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:167:59: error: 'Duration' is only available in iOS 16.0 or newer
115 | }
116 |
117 | extension BenchmarkClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
118 |     public static var now: BenchmarkClock.Instant { BenchmarkClock.now }
119 |
    :
164 |
165 |     @inlinable
166 |     public static func -= (
    |                        `- note: add '@available' attribute to enclosing operator function
167 |         _ lhs: inout BenchmarkClock.Instant, _ rhs: Swift.Duration
    |                                                           `- error: 'Duration' is only available in iOS 16.0 or newer
168 |     ) {
169 |         lhs = lhs.advanced(by: .zero - rhs)
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:175:16: error: 'Duration' is only available in iOS 16.0 or newer
115 | }
116 |
117 | extension BenchmarkClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
118 |     public static var now: BenchmarkClock.Instant { BenchmarkClock.now }
119 |
    :
171 |
172 |     @inlinable
173 |     public static func - (
    |                        `- note: add '@available' attribute to enclosing operator function
174 |         _ lhs: BenchmarkClock.Instant, _ rhs: BenchmarkClock.Instant
175 |     ) -> Swift.Duration {
    |                `- error: 'Duration' is only available in iOS 16.0 or newer
176 |         rhs.duration(to: lhs)
177 |     }
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:162:32: error: '-' is only available in iOS 16.0 or newer
115 | }
116 |
117 | extension BenchmarkClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
118 |     public static var now: BenchmarkClock.Instant { BenchmarkClock.now }
119 |
    :
157 |
158 |     @inlinable
159 |     public static func - (
    |                        `- note: add '@available' attribute to enclosing operator function
160 |         _ lhs: BenchmarkClock.Instant, _ rhs: Swift.Duration
161 |     ) -> BenchmarkClock.Instant {
162 |         lhs.advanced(by: .zero - rhs)
    |                                |- error: '-' is only available in iOS 16.0 or newer
    |                                `- note: add 'if #available' version check
163 |     }
164 |
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:162:27: error: 'zero' is only available in iOS 16.0 or newer
115 | }
116 |
117 | extension BenchmarkClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
118 |     public static var now: BenchmarkClock.Instant { BenchmarkClock.now }
119 |
    :
157 |
158 |     @inlinable
159 |     public static func - (
    |                        `- note: add '@available' attribute to enclosing operator function
160 |         _ lhs: BenchmarkClock.Instant, _ rhs: Swift.Duration
161 |     ) -> BenchmarkClock.Instant {
162 |         lhs.advanced(by: .zero - rhs)
    |                           |- error: 'zero' is only available in iOS 16.0 or newer
    |                           `- note: add 'if #available' version check
163 |     }
164 |
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:169:38: error: '-' is only available in iOS 16.0 or newer
115 | }
116 |
117 | extension BenchmarkClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
118 |     public static var now: BenchmarkClock.Instant { BenchmarkClock.now }
119 |
    :
164 |
165 |     @inlinable
166 |     public static func -= (
    |                        `- note: add '@available' attribute to enclosing operator function
167 |         _ lhs: inout BenchmarkClock.Instant, _ rhs: Swift.Duration
168 |     ) {
169 |         lhs = lhs.advanced(by: .zero - rhs)
    |                                      |- error: '-' is only available in iOS 16.0 or newer
    |                                      `- note: add 'if #available' version check
170 |     }
171 |
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:169:33: error: 'zero' is only available in iOS 16.0 or newer
115 | }
116 |
117 | extension BenchmarkClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
118 |     public static var now: BenchmarkClock.Instant { BenchmarkClock.now }
119 |
    :
164 |
165 |     @inlinable
166 |     public static func -= (
    |                        `- note: add '@available' attribute to enclosing operator function
167 |         _ lhs: inout BenchmarkClock.Instant, _ rhs: Swift.Duration
168 |     ) {
169 |         lhs = lhs.advanced(by: .zero - rhs)
    |                                 |- error: 'zero' is only available in iOS 16.0 or newer
    |                                 `- note: add 'if #available' version check
170 |     }
171 |
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/Duration+Convenience.swift:1:18: error: 'Duration' is only available in iOS 16.0 or newer
1 | public extension Duration {
  |        |         `- error: 'Duration' is only available in iOS 16.0 or newer
  |        `- note: add '@available' attribute to enclosing extension
2 |     func nanoseconds() -> Int64 {
3 |         (components.seconds * 1_000_000_000) + (components.attoseconds / 1_000_000_000)
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/InternalUTCClock.swift:27:36: error: 'Duration' is only available in iOS 16.0 or newer
 24 | public struct InternalUTCClock {
 25 |     /// A continuous point in time used for `InternalUTCClock`.
 26 |     public struct Instant: Codable, Sendable {
    |                   `- note: add '@available' attribute to enclosing struct
 27 |         internal var _value: Swift.Duration
    |                                    `- error: 'Duration' is only available in iOS 16.0 or newer
 28 |
 29 |         internal init(_value: Swift.Duration) {
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/InternalUTCClock.swift:29:37: error: 'Duration' is only available in iOS 16.0 or newer
 24 | public struct InternalUTCClock {
 25 |     /// A continuous point in time used for `InternalUTCClock`.
 26 |     public struct Instant: Codable, Sendable {
    |                   `- note: add '@available' attribute to enclosing struct
 27 |         internal var _value: Swift.Duration
 28 |
 29 |         internal init(_value: Swift.Duration) {
    |                  |                  `- error: 'Duration' is only available in iOS 16.0 or newer
    |                  `- note: add '@available' attribute to enclosing initializer
 30 |             self._value = _value
 31 |         }
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/InternalUTCClock.swift:81:18: error: 'Clock' is only available in iOS 16.0 or newer
 79 | }
 80 |
 81 | public extension Clock where Self == InternalUTCClock {
    |        |         `- error: 'Clock' is only available in iOS 16.0 or newer
    |        `- note: add '@available' attribute to enclosing extension
 82 |     /// A clock that measures time that always increments but does not stop
 83 |     /// incrementing while the system is asleep.
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/InternalUTCClock.swift:97:41: error: 'Duration' is only available in iOS 16.0 or newer
 88 | }
 89 |
 90 | extension InternalUTCClock: Clock {
    | `- note: add '@available' attribute to enclosing extension
 91 |     /// The current continuous instant.
 92 |     public var now: InternalUTCClock.Instant {
    :
 95 |
 96 |     /// The minimum non-zero resolution between any two calls to `now`.
 97 |     public var minimumResolution: Swift.Duration {
    |                |                        `- error: 'Duration' is only available in iOS 16.0 or newer
    |                `- note: add '@available' attribute to enclosing property
 98 |         var resolution = timespec()
 99 |
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/InternalUTCClock.swift:137:51: error: 'Duration' is only available in iOS 16.0 or newer
 88 | }
 89 |
 90 | extension InternalUTCClock: Clock {
    | `- note: add '@available' attribute to enclosing extension
 91 |     /// The current continuous instant.
 92 |     public var now: InternalUTCClock.Instant {
    :
134 |     ///
135 |     /// This function doesn't block the underlying thread.
136 |     public func sleep(
    |                 `- note: add '@available' attribute to enclosing instance method
137 |         until deadline: Instant, tolerance: Swift.Duration? = nil
    |                                                   `- error: 'Duration' is only available in iOS 16.0 or newer
138 |     ) async throws {
139 |         try await Task.sleep(until: deadline, tolerance: tolerance, clock: .internalUTC)
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/InternalUTCClock.swift:146:45: error: 'Duration' is only available in iOS 16.0 or newer
141 | }
142 |
143 | extension InternalUTCClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
144 |     public static var now: InternalUTCClock.Instant { InternalUTCClock.now }
145 |
146 |     public func advanced(by duration: Swift.Duration) -> InternalUTCClock.Instant {
    |                 |                           `- error: 'Duration' is only available in iOS 16.0 or newer
    |                 `- note: add '@available' attribute to enclosing instance method
147 |         InternalUTCClock.Instant(_value: _value + duration)
148 |     }
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/InternalUTCClock.swift:150:71: error: 'Duration' is only available in iOS 16.0 or newer
141 | }
142 |
143 | extension InternalUTCClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
144 |     public static var now: InternalUTCClock.Instant { InternalUTCClock.now }
145 |
    :
148 |     }
149 |
150 |     public func duration(to other: InternalUTCClock.Instant) -> Swift.Duration {
    |                 |                                                     `- error: 'Duration' is only available in iOS 16.0 or newer
    |                 `- note: add '@available' attribute to enclosing instance method
151 |         other._value - _value
152 |     }
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/InternalUTCClock.swift:172:55: error: 'Duration' is only available in iOS 16.0 or newer
141 | }
142 |
143 | extension InternalUTCClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
144 |     public static var now: InternalUTCClock.Instant { InternalUTCClock.now }
145 |
    :
169 |
170 |     @inlinable
171 |     public static func + (
    |                        `- note: add '@available' attribute to enclosing operator function
172 |         _ lhs: InternalUTCClock.Instant, _ rhs: Swift.Duration
    |                                                       `- error: 'Duration' is only available in iOS 16.0 or newer
173 |     ) -> InternalUTCClock.Instant {
174 |         lhs.advanced(by: rhs)
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/InternalUTCClock.swift:179:61: error: 'Duration' is only available in iOS 16.0 or newer
141 | }
142 |
143 | extension InternalUTCClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
144 |     public static var now: InternalUTCClock.Instant { InternalUTCClock.now }
145 |
    :
176 |
177 |     @inlinable
178 |     public static func += (
    |                        `- note: add '@available' attribute to enclosing operator function
179 |         _ lhs: inout InternalUTCClock.Instant, _ rhs: Swift.Duration
    |                                                             `- error: 'Duration' is only available in iOS 16.0 or newer
180 |     ) {
181 |         lhs = lhs.advanced(by: rhs)
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/InternalUTCClock.swift:186:55: error: 'Duration' is only available in iOS 16.0 or newer
141 | }
142 |
143 | extension InternalUTCClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
144 |     public static var now: InternalUTCClock.Instant { InternalUTCClock.now }
145 |
    :
183 |
184 |     @inlinable
185 |     public static func - (
    |                        `- note: add '@available' attribute to enclosing operator function
186 |         _ lhs: InternalUTCClock.Instant, _ rhs: Swift.Duration
    |                                                       `- error: 'Duration' is only available in iOS 16.0 or newer
187 |     ) -> InternalUTCClock.Instant {
188 |         lhs.advanced(by: .zero - rhs)
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/InternalUTCClock.swift:193:61: error: 'Duration' is only available in iOS 16.0 or newer
141 | }
142 |
143 | extension InternalUTCClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
144 |     public static var now: InternalUTCClock.Instant { InternalUTCClock.now }
145 |
    :
190 |
191 |     @inlinable
192 |     public static func -= (
    |                        `- note: add '@available' attribute to enclosing operator function
193 |         _ lhs: inout InternalUTCClock.Instant, _ rhs: Swift.Duration
    |                                                             `- error: 'Duration' is only available in iOS 16.0 or newer
194 |     ) {
195 |         lhs = lhs.advanced(by: .zero - rhs)
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/InternalUTCClock.swift:201:16: error: 'Duration' is only available in iOS 16.0 or newer
141 | }
142 |
143 | extension InternalUTCClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
144 |     public static var now: InternalUTCClock.Instant { InternalUTCClock.now }
145 |
    :
197 |
198 |     @inlinable
199 |     public static func - (
    |                        `- note: add '@available' attribute to enclosing operator function
200 |         _ lhs: InternalUTCClock.Instant, _ rhs: InternalUTCClock.Instant
201 |     ) -> Swift.Duration {
    |                `- error: 'Duration' is only available in iOS 16.0 or newer
202 |         rhs.duration(to: lhs)
203 |     }
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/InternalUTCClock.swift:188:32: error: '-' is only available in iOS 16.0 or newer
141 | }
142 |
143 | extension InternalUTCClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
144 |     public static var now: InternalUTCClock.Instant { InternalUTCClock.now }
145 |
    :
183 |
184 |     @inlinable
185 |     public static func - (
    |                        `- note: add '@available' attribute to enclosing operator function
186 |         _ lhs: InternalUTCClock.Instant, _ rhs: Swift.Duration
187 |     ) -> InternalUTCClock.Instant {
188 |         lhs.advanced(by: .zero - rhs)
    |                                |- error: '-' is only available in iOS 16.0 or newer
    |                                `- note: add 'if #available' version check
189 |     }
190 |
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/InternalUTCClock.swift:188:27: error: 'zero' is only available in iOS 16.0 or newer
141 | }
142 |
143 | extension InternalUTCClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
144 |     public static var now: InternalUTCClock.Instant { InternalUTCClock.now }
145 |
    :
183 |
184 |     @inlinable
185 |     public static func - (
    |                        `- note: add '@available' attribute to enclosing operator function
186 |         _ lhs: InternalUTCClock.Instant, _ rhs: Swift.Duration
187 |     ) -> InternalUTCClock.Instant {
188 |         lhs.advanced(by: .zero - rhs)
    |                           |- error: 'zero' is only available in iOS 16.0 or newer
    |                           `- note: add 'if #available' version check
189 |     }
190 |
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/InternalUTCClock.swift:195:38: error: '-' is only available in iOS 16.0 or newer
141 | }
142 |
143 | extension InternalUTCClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
144 |     public static var now: InternalUTCClock.Instant { InternalUTCClock.now }
145 |
    :
190 |
191 |     @inlinable
192 |     public static func -= (
    |                        `- note: add '@available' attribute to enclosing operator function
193 |         _ lhs: inout InternalUTCClock.Instant, _ rhs: Swift.Duration
194 |     ) {
195 |         lhs = lhs.advanced(by: .zero - rhs)
    |                                      |- error: '-' is only available in iOS 16.0 or newer
    |                                      `- note: add 'if #available' version check
196 |     }
197 |
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/InternalUTCClock.swift:195:33: error: 'zero' is only available in iOS 16.0 or newer
141 | }
142 |
143 | extension InternalUTCClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
144 |     public static var now: InternalUTCClock.Instant { InternalUTCClock.now }
145 |
    :
190 |
191 |     @inlinable
192 |     public static func -= (
    |                        `- note: add '@available' attribute to enclosing operator function
193 |         _ lhs: inout InternalUTCClock.Instant, _ rhs: Swift.Duration
194 |     ) {
195 |         lhs = lhs.advanced(by: .zero - rhs)
    |                                 |- error: 'zero' is only available in iOS 16.0 or newer
    |                                 `- note: add 'if #available' version check
196 |     }
197 |
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/DateTime/BenchmarkClock.swift /Users/admin/builder/spi-builder-workspace/Sources/DateTime/Duration+Convenience.swift /Users/admin/builder/spi-builder-workspace/Sources/DateTime/EpochDateTime.swift /Users/admin/builder/spi-builder-workspace/Sources/DateTime/FoundationExports.swift /Users/admin/builder/spi-builder-workspace/Sources/DateTime/InternalUTCClock.swift -target arm64-apple-ios15.0 -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/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/usr/include/Darwin.swiftcrossimport/xlocale.swiftoverlay -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/package-datetime.build/Debug-iphoneos/DateTime-t.build/Objects-normal/arm64/DateTime-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 5 -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/package-datetime.build/Debug-iphoneos/DateTime-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-iphoneos/DateTime-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-iphoneos/DateTime-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name DateTime -package-name spi_builder_workspace -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-iphoneos/DateTime-t.build/Objects-normal/arm64/DateTime_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/package-datetime.build/Debug-iphoneos/DateTime-t.build/Objects-normal/arm64/DateTime.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-iphoneos/DateTime-t.build/Objects-normal/arm64/DateTime.swiftsourceinfo -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-iphoneos/DateTime-t.build/Objects-normal/arm64/DateTime-Swift.h -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-iphoneos/DateTime-t.build/Objects-normal/arm64/DateTime-primary-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-iphoneos/DateTime-t.build/Objects-normal/arm64/DateTime-primary-emit-module.d -parse-as-library -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-iphoneos/DateTime-t.build/Objects-normal/arm64/DateTime.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-iphoneos/DateTime-t.build/Objects-normal/arm64/DateTime.abi.json
SwiftCompile normal arm64 (in target 'DateTime' from project 'package-datetime')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ InternalUTCClock.swift /Users/admin/builder/spi-builder-workspace/Sources/DateTime/InternalUTCClock.swift (in target 'DateTime' from project 'package-datetime')
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/InternalUTCClock.swift:27:36: error: 'Duration' is only available in iOS 16.0 or newer
 24 | public struct InternalUTCClock {
 25 |     /// A continuous point in time used for `InternalUTCClock`.
 26 |     public struct Instant: Codable, Sendable {
    |                   `- note: add '@available' attribute to enclosing struct
 27 |         internal var _value: Swift.Duration
    |                                    `- error: 'Duration' is only available in iOS 16.0 or newer
 28 |
 29 |         internal init(_value: Swift.Duration) {
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/InternalUTCClock.swift:29:37: error: 'Duration' is only available in iOS 16.0 or newer
 24 | public struct InternalUTCClock {
 25 |     /// A continuous point in time used for `InternalUTCClock`.
 26 |     public struct Instant: Codable, Sendable {
    |                   `- note: add '@available' attribute to enclosing struct
 27 |         internal var _value: Swift.Duration
 28 |
 29 |         internal init(_value: Swift.Duration) {
    |                  |                  `- error: 'Duration' is only available in iOS 16.0 or newer
    |                  `- note: add '@available' attribute to enclosing initializer
 30 |             self._value = _value
 31 |         }
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/InternalUTCClock.swift:81:18: error: 'Clock' is only available in iOS 16.0 or newer
 79 | }
 80 |
 81 | public extension Clock where Self == InternalUTCClock {
    |        |         `- error: 'Clock' is only available in iOS 16.0 or newer
    |        `- note: add '@available' attribute to enclosing extension
 82 |     /// A clock that measures time that always increments but does not stop
 83 |     /// incrementing while the system is asleep.
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/InternalUTCClock.swift:97:41: error: 'Duration' is only available in iOS 16.0 or newer
 88 | }
 89 |
 90 | extension InternalUTCClock: Clock {
    | `- note: add '@available' attribute to enclosing extension
 91 |     /// The current continuous instant.
 92 |     public var now: InternalUTCClock.Instant {
    :
 95 |
 96 |     /// The minimum non-zero resolution between any two calls to `now`.
 97 |     public var minimumResolution: Swift.Duration {
    |                |                        `- error: 'Duration' is only available in iOS 16.0 or newer
    |                `- note: add '@available' attribute to enclosing property
 98 |         var resolution = timespec()
 99 |
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/InternalUTCClock.swift:137:51: error: 'Duration' is only available in iOS 16.0 or newer
 88 | }
 89 |
 90 | extension InternalUTCClock: Clock {
    | `- note: add '@available' attribute to enclosing extension
 91 |     /// The current continuous instant.
 92 |     public var now: InternalUTCClock.Instant {
    :
134 |     ///
135 |     /// This function doesn't block the underlying thread.
136 |     public func sleep(
    |                 `- note: add '@available' attribute to enclosing instance method
137 |         until deadline: Instant, tolerance: Swift.Duration? = nil
    |                                                   `- error: 'Duration' is only available in iOS 16.0 or newer
138 |     ) async throws {
139 |         try await Task.sleep(until: deadline, tolerance: tolerance, clock: .internalUTC)
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/InternalUTCClock.swift:146:45: error: 'Duration' is only available in iOS 16.0 or newer
141 | }
142 |
143 | extension InternalUTCClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
144 |     public static var now: InternalUTCClock.Instant { InternalUTCClock.now }
145 |
146 |     public func advanced(by duration: Swift.Duration) -> InternalUTCClock.Instant {
    |                 |                           `- error: 'Duration' is only available in iOS 16.0 or newer
    |                 `- note: add '@available' attribute to enclosing instance method
147 |         InternalUTCClock.Instant(_value: _value + duration)
148 |     }
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/InternalUTCClock.swift:150:71: error: 'Duration' is only available in iOS 16.0 or newer
141 | }
142 |
143 | extension InternalUTCClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
144 |     public static var now: InternalUTCClock.Instant { InternalUTCClock.now }
145 |
    :
148 |     }
149 |
150 |     public func duration(to other: InternalUTCClock.Instant) -> Swift.Duration {
    |                 |                                                     `- error: 'Duration' is only available in iOS 16.0 or newer
    |                 `- note: add '@available' attribute to enclosing instance method
151 |         other._value - _value
152 |     }
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/InternalUTCClock.swift:172:55: error: 'Duration' is only available in iOS 16.0 or newer
141 | }
142 |
143 | extension InternalUTCClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
144 |     public static var now: InternalUTCClock.Instant { InternalUTCClock.now }
145 |
    :
169 |
170 |     @inlinable
171 |     public static func + (
    |                        `- note: add '@available' attribute to enclosing operator function
172 |         _ lhs: InternalUTCClock.Instant, _ rhs: Swift.Duration
    |                                                       `- error: 'Duration' is only available in iOS 16.0 or newer
173 |     ) -> InternalUTCClock.Instant {
174 |         lhs.advanced(by: rhs)
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/InternalUTCClock.swift:179:61: error: 'Duration' is only available in iOS 16.0 or newer
141 | }
142 |
143 | extension InternalUTCClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
144 |     public static var now: InternalUTCClock.Instant { InternalUTCClock.now }
145 |
    :
176 |
177 |     @inlinable
178 |     public static func += (
    |                        `- note: add '@available' attribute to enclosing operator function
179 |         _ lhs: inout InternalUTCClock.Instant, _ rhs: Swift.Duration
    |                                                             `- error: 'Duration' is only available in iOS 16.0 or newer
180 |     ) {
181 |         lhs = lhs.advanced(by: rhs)
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/InternalUTCClock.swift:186:55: error: 'Duration' is only available in iOS 16.0 or newer
141 | }
142 |
143 | extension InternalUTCClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
144 |     public static var now: InternalUTCClock.Instant { InternalUTCClock.now }
145 |
    :
183 |
184 |     @inlinable
185 |     public static func - (
    |                        `- note: add '@available' attribute to enclosing operator function
186 |         _ lhs: InternalUTCClock.Instant, _ rhs: Swift.Duration
    |                                                       `- error: 'Duration' is only available in iOS 16.0 or newer
187 |     ) -> InternalUTCClock.Instant {
188 |         lhs.advanced(by: .zero - rhs)
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/InternalUTCClock.swift:193:61: error: 'Duration' is only available in iOS 16.0 or newer
141 | }
142 |
143 | extension InternalUTCClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
144 |     public static var now: InternalUTCClock.Instant { InternalUTCClock.now }
145 |
    :
190 |
191 |     @inlinable
192 |     public static func -= (
    |                        `- note: add '@available' attribute to enclosing operator function
193 |         _ lhs: inout InternalUTCClock.Instant, _ rhs: Swift.Duration
    |                                                             `- error: 'Duration' is only available in iOS 16.0 or newer
194 |     ) {
195 |         lhs = lhs.advanced(by: .zero - rhs)
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/InternalUTCClock.swift:201:16: error: 'Duration' is only available in iOS 16.0 or newer
141 | }
142 |
143 | extension InternalUTCClock.Instant: InstantProtocol {
    | `- note: add '@available' attribute to enclosing extension
144 |     public static var now: InternalUTCClock.Instant { InternalUTCClock.now }
145 |
    :
197 |
198 |     @inlinable
199 |     public static func - (
    |                        `- note: add '@available' attribute to enclosing operator function
200 |         _ lhs: InternalUTCClock.Instant, _ rhs: InternalUTCClock.Instant
201 |     ) -> Swift.Duration {
    |                `- error: 'Duration' is only available in iOS 16.0 or newer
202 |         rhs.duration(to: lhs)
203 |     }
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/InternalUTCClock.swift:34:28: error: 'Duration' is only available in iOS 16.0 or newer
 24 | public struct InternalUTCClock {
 25 |     /// A continuous point in time used for `InternalUTCClock`.
 26 |     public struct Instant: Codable, Sendable {
    |                   `- note: add '@available' attribute to enclosing struct
 27 |         internal var _value: Swift.Duration
 28 |
    :
 31 |         }
 32 |
 33 |         public init(secondsComponent: Int64, attosecondsComponent: Int64) {
    |                `- note: add '@available' attribute to enclosing initializer
 34 |             _value = Swift.Duration(secondsComponent: secondsComponent, attosecondsComponent: attosecondsComponent)
    |                            |- error: 'Duration' is only available in iOS 16.0 or newer
    |                            `- note: add 'if #available' version check
 35 |         }
 36 |
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/InternalUTCClock.swift:39:20: error: 'components' is only available in iOS 16.0 or newer
 24 | public struct InternalUTCClock {
 25 |     /// A continuous point in time used for `InternalUTCClock`.
 26 |     public struct Instant: Codable, Sendable {
    |                   `- note: add '@available' attribute to enclosing struct
 27 |         internal var _value: Swift.Duration
 28 |
    :
 36 |
 37 |         @available(*, deprecated, renamed: "seconds")
 38 |         public func secondsSinceEpoch() -> Int64 {
    |                     `- note: add '@available' attribute to enclosing instance method
 39 |             _value.components.seconds
    |                    |- error: 'components' is only available in iOS 16.0 or newer
    |                    `- note: add 'if #available' version check
 40 |         }
 41 |
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/InternalUTCClock.swift:43:20: error: 'components' is only available in iOS 16.0 or newer
 24 | public struct InternalUTCClock {
 25 |     /// A continuous point in time used for `InternalUTCClock`.
 26 |     public struct Instant: Codable, Sendable {
    |                   `- note: add '@available' attribute to enclosing struct
 27 |         internal var _value: Swift.Duration
 28 |
    :
 40 |         }
 41 |
 42 |         public func seconds() -> Int64 {
    |                     `- note: add '@available' attribute to enclosing instance method
 43 |             _value.components.seconds
    |                    |- error: 'components' is only available in iOS 16.0 or newer
    |                    `- note: add 'if #available' version check
 44 |         }
 45 |
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/DateTime/InternalUTCClock.swift (in target 'DateTime' from project 'package-datetime')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile InternalUTCClock.swift
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ExplicitPrecompiledModules
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules
2026-09-19 05:23:36.997 xcodebuild[705:4384] [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\ DateTime (in target 'DateTime' from project 'package-datetime')
	SwiftCompile normal arm64 (in target 'DateTime' from project 'package-datetime')
	Building workspace package-datetime with scheme package-datetime
(3 failures)
BUILD FAILURE 6.4 iOS