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Build Information

Failed to build package-datetime, reference 1.0.2 (d12421), with Swift 6.2 (beta) for watchOS using Xcode 26.0 on 20 Jun 2025 08:01:54 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-26.0.0-Beta.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme package-datetime -destination generic/platform=watchOS

Build Log

========================================
RunAll
========================================
Builder version: 4.64.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/ordo-one/package-datetime.git
Reference: 1.0.2
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/ordo-one/package-datetime
 * tag               1.0.2      -> FETCH_HEAD
HEAD is now at d124218 Use gmtime. (#15)
Cloned https://github.com/ordo-one/package-datetime.git
Revision (git rev-parse @):
d1242188c9f48aad297e6ca9b717776f8660bc31
SUCCESS checkout https://github.com/ordo-one/package-datetime.git at 1.0.2
========================================
Build
========================================
Selected platform:         watchOS
Swift version:             6.2
Building package at path:  $PWD
https://github.com/ordo-one/package-datetime.git
Command line invocation:
    /Applications/Xcode-26.0.0-Beta.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
{
  "dependencies" : [
  ],
  "manifest_display_name" : "package-datetime",
  "name" : "package-datetime",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "13.0"
    },
    {
      "name" : "ios",
      "version" : "16.0"
    }
  ],
  "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" : "5.7"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "package-datetime"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.0.0-Beta.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme package-datetime -destination generic/platform=watchOS
Command line invocation:
    /Applications/Xcode-26.0.0-Beta.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=watchOS
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' 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-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.0.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: c246304dce2fa758417a0ba4ea3933fd
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/c246304dce2fa758417a0ba4ea3933fd.xcbuilddata
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products
ClangStatCache /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.0.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos26.0-23R5280j-041894b46d26f03ea1587ab1cb6ac97e.sdkstatcache
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.0.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos26.0-23R5280j-041894b46d26f03ea1587ab1cb6ac97e.sdkstatcache
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/EagerLinkingTBDs/Debug-watchos
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/EagerLinkingTBDs/Debug-watchos
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/PackageFrameworks
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/PackageFrameworks
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-watchos/DateTime.build/Objects-normal/arm64_32/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-watchos/DateTime.build/Objects-normal/arm64_32/DateTime.SwiftFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-watchos/DateTime.build/Objects-normal/arm64_32/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-watchos/DateTime.build/Objects-normal/arm64_32/DateTime-OutputFileMap.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-watchos/DateTime.build/Objects-normal/arm64_32/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-watchos/DateTime.build/Objects-normal/arm64_32/DateTime.SwiftConstValuesFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-watchos/DateTime.build/Objects-normal/arm64_32/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-watchos/DateTime.build/Objects-normal/arm64_32/DateTime_const_extract_protocols.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-watchos/DateTime.build/Objects-normal/arm64_32/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-watchos/DateTime.build/Objects-normal/arm64_32/DateTime.LinkFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-watchos/DateTime.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-watchos/DateTime.build/Objects-normal/arm64/DateTime.SwiftFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-watchos/DateTime.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-watchos/DateTime.build/Objects-normal/arm64/DateTime.LinkFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-watchos/DateTime.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-watchos/DateTime.build/Objects-normal/arm64/DateTime.SwiftConstValuesFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-watchos/DateTime.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-watchos/DateTime.build/Objects-normal/arm64/DateTime_const_extract_protocols.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-watchos/DateTime.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-watchos/DateTime.build/Objects-normal/arm64/DateTime-OutputFileMap.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-watchos/DateTime.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-watchos/DateTime.build/DateTime.modulemap
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-watchos/DateTime.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-watchos/DateTime.build/DateTime.DependencyStaticMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-watchos/DateTime.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-watchos/DateTime.build/DateTime.DependencyMetadataFileList
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-watchos/DateTime.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-watchos/DateTime.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-watchos/DateTime.build/DateTime.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-watchos
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-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -module-name DateTime -Onone -enforce-exclusivity\=checked @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-watchos/DateTime.build/Objects-normal/arm64/DateTime.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -DXcode -plugin-path /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.0.sdk -target arm64-apple-watchos9.0 -g -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -Xfrontend -serialize-debugging-options -profile-coverage-mapping -profile-generate -enable-testing -index-store-path /Users/admin/builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -swift-version 5 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -I /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -F /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/WatchOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.0.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos26.0-23R5280j-041894b46d26f03ea1587ab1cb6ac97e.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-watchos/DateTime.build/Objects-normal/arm64/DateTime-OutputFileMap.json -use-frontend-parseable-output -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/ModuleCache.noindex -serialize-diagnostics -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-watchos/DateTime.build/Objects-normal/arm64/DateTime.swiftmodule -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-watchos/DateTime.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-watchos/DateTime.build/Objects-normal/arm64/DateTime_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-watchos/DateTime.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-watchos/DateTime.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-watchos/DateTime.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-watchos/DateTime.build/Objects-normal/arm64/DateTime-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:71:20: error: Unsupported Platform
            #error("Unsupported Platform")
                   ^~~~~~~~~~~~~~~~~~~~~~ (in target 'DateTime' from project 'package-datetime')
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:97:20: error: Unsupported Platform
            #error("Unsupported Platform")
                   ^~~~~~~~~~~~~~~~~~~~~~ (in target 'DateTime' from project 'package-datetime')
SwiftDriver DateTime normal arm64_32 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-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -module-name DateTime -Onone -enforce-exclusivity\=checked @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-watchos/DateTime.build/Objects-normal/arm64_32/DateTime.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -DXcode -plugin-path /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.0.sdk -target arm64_32-apple-watchos9.0 -g -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -Xfrontend -serialize-debugging-options -profile-coverage-mapping -profile-generate -enable-testing -index-store-path /Users/admin/builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -swift-version 5 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -I /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -F /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/WatchOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.0.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos26.0-23R5280j-041894b46d26f03ea1587ab1cb6ac97e.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-watchos/DateTime.build/Objects-normal/arm64_32/DateTime-OutputFileMap.json -use-frontend-parseable-output -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/ModuleCache.noindex -serialize-diagnostics -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-watchos/DateTime.build/Objects-normal/arm64_32/DateTime.swiftmodule -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-watchos/DateTime.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-watchos/DateTime.build/Objects-normal/arm64_32/DateTime_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-watchos/DateTime.build/DerivedSources-normal/arm64_32 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-watchos/DateTime.build/DerivedSources/arm64_32 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-watchos/DateTime.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-watchos/DateTime.build/Objects-normal/arm64_32/DateTime-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:71:20: error: Unsupported Platform
            #error("Unsupported Platform")
                   ^~~~~~~~~~~~~~~~~~~~~~ (in target 'DateTime' from project 'package-datetime')
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:97:20: error: Unsupported Platform
            #error("Unsupported Platform")
                   ^~~~~~~~~~~~~~~~~~~~~~ (in target 'DateTime' from project 'package-datetime')
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:71:20: error: Unsupported Platform
            #error("Unsupported Platform")
                   ^~~~~~~~~~~~~~~~~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:71:20: error: Unsupported Platform
            #error("Unsupported Platform")
                   ^~~~~~~~~~~~~~~~~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:97:20: error: Unsupported Platform
            #error("Unsupported Platform")
                   ^~~~~~~~~~~~~~~~~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:97:20: error: Unsupported Platform
            #error("Unsupported Platform")
                   ^~~~~~~~~~~~~~~~~~~~~~
** BUILD FAILED **
The following build commands failed:
	SwiftDriver DateTime normal arm64 com.apple.xcode.tools.swift.compiler (in target 'DateTime' from project 'package-datetime')
	SwiftDriver DateTime normal arm64_32 com.apple.xcode.tools.swift.compiler (in target 'DateTime' from project 'package-datetime')
	Building workspace spi-builder-workspace with scheme package-datetime
(3 failures)
Command line invocation:
    /Applications/Xcode-26.0.0-Beta.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
{
  "dependencies" : [
  ],
  "manifest_display_name" : "package-datetime",
  "name" : "package-datetime",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "13.0"
    },
    {
      "name" : "ios",
      "version" : "16.0"
    }
  ],
  "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" : "5.7"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "package-datetime"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.0.0-Beta.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme package-datetime -destination generic/platform=watchOS
Command line invocation:
    /Applications/Xcode-26.0.0-Beta.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=watchOS
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' 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-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.0.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos26.0-23R5280j-041894b46d26f03ea1587ab1cb6ac97e.sdkstatcache
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.0.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos26.0-23R5280j-041894b46d26f03ea1587ab1cb6ac97e.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-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -module-name DateTime -Onone -enforce-exclusivity\=checked @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-watchos/DateTime.build/Objects-normal/arm64/DateTime.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -DXcode -plugin-path /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.0.sdk -target arm64-apple-watchos9.0 -g -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -Xfrontend -serialize-debugging-options -profile-coverage-mapping -profile-generate -enable-testing -index-store-path /Users/admin/builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -swift-version 5 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -I /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -F /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/WatchOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.0.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos26.0-23R5280j-041894b46d26f03ea1587ab1cb6ac97e.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-watchos/DateTime.build/Objects-normal/arm64/DateTime-OutputFileMap.json -use-frontend-parseable-output -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/ModuleCache.noindex -serialize-diagnostics -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-watchos/DateTime.build/Objects-normal/arm64/DateTime.swiftmodule -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-watchos/DateTime.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-watchos/DateTime.build/Objects-normal/arm64/DateTime_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-watchos/DateTime.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-watchos/DateTime.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-watchos/DateTime.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-watchos/DateTime.build/Objects-normal/arm64/DateTime-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:71:20: error: Unsupported Platform
            #error("Unsupported Platform")
                   ^~~~~~~~~~~~~~~~~~~~~~ (in target 'DateTime' from project 'package-datetime')
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:97:20: error: Unsupported Platform
            #error("Unsupported Platform")
                   ^~~~~~~~~~~~~~~~~~~~~~ (in target 'DateTime' from project 'package-datetime')
SwiftDriver DateTime normal arm64_32 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-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -module-name DateTime -Onone -enforce-exclusivity\=checked @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-watchos/DateTime.build/Objects-normal/arm64_32/DateTime.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -DXcode -plugin-path /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.0.sdk -target arm64_32-apple-watchos9.0 -g -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -Xfrontend -serialize-debugging-options -profile-coverage-mapping -profile-generate -enable-testing -index-store-path /Users/admin/builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -swift-version 5 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -I /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -F /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/WatchOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.0.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos26.0-23R5280j-041894b46d26f03ea1587ab1cb6ac97e.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-watchos/DateTime.build/Objects-normal/arm64_32/DateTime-OutputFileMap.json -use-frontend-parseable-output -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/ModuleCache.noindex -serialize-diagnostics -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-watchos/DateTime.build/Objects-normal/arm64_32/DateTime.swiftmodule -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-watchos/DateTime.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-watchos/DateTime.build/Objects-normal/arm64_32/DateTime_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-watchos/DateTime.build/DerivedSources-normal/arm64_32 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-watchos/DateTime.build/DerivedSources/arm64_32 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/package-datetime.build/Debug-watchos/DateTime.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-watchos/DateTime.build/Objects-normal/arm64_32/DateTime-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:71:20: error: Unsupported Platform
            #error("Unsupported Platform")
                   ^~~~~~~~~~~~~~~~~~~~~~ (in target 'DateTime' from project 'package-datetime')
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:97:20: error: Unsupported Platform
            #error("Unsupported Platform")
                   ^~~~~~~~~~~~~~~~~~~~~~ (in target 'DateTime' from project 'package-datetime')
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:71:20: error: Unsupported Platform
            #error("Unsupported Platform")
                   ^~~~~~~~~~~~~~~~~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:97:20: error: Unsupported Platform
            #error("Unsupported Platform")
                   ^~~~~~~~~~~~~~~~~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:71:20: error: Unsupported Platform
            #error("Unsupported Platform")
                   ^~~~~~~~~~~~~~~~~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/DateTime/BenchmarkClock.swift:97:20: error: Unsupported Platform
            #error("Unsupported Platform")
                   ^~~~~~~~~~~~~~~~~~~~~~
** BUILD FAILED **
The following build commands failed:
	SwiftDriver DateTime normal arm64 com.apple.xcode.tools.swift.compiler (in target 'DateTime' from project 'package-datetime')
	SwiftDriver DateTime normal arm64_32 com.apple.xcode.tools.swift.compiler (in target 'DateTime' from project 'package-datetime')
	Building workspace spi-builder-workspace with scheme package-datetime
(3 failures)
BUILD FAILURE 6.2 watchOS