Swift Package Index

Build Information

Failed to build swift-watch, reference 0.0.5 (e861c3), with Swift 6.4 for watchOS using Xcode 27.0 on 26 Sep 2026 17:26:13 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 swift-watch -destination generic/platform=watchOS

Build Log

========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/ahtcx/swift-watch.git
Reference: 0.0.5
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/ahtcx/swift-watch
 * tag               0.0.5      -> FETCH_HEAD
HEAD is now at e861c38 Keep manifest edits responsive during planning
Cloned https://github.com/ahtcx/swift-watch.git
Revision (git rev-parse @):
e861c3853e13f0d50ddecc0d7d41c7b0071fa2b7
SUCCESS checkout https://github.com/ahtcx/swift-watch.git at 0.0.5
========================================
Build
========================================
Selected platform:         watchOS
Swift version:             6.4
Building package at path:  $PWD
https://github.com/ahtcx/swift-watch.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
Fetching from https://github.com/apple/swift-argument-parser.git
Fetching from https://github.com/swiftlang/swift-subprocess.git
Fetching from https://github.com/apple/swift-system
Creating working copy of package ‘swift-subprocess’
Checking out 1.0.0-beta.1 of package ‘swift-subprocess’
Creating working copy of package ‘swift-system’
Checking out 1.8.1 of package ‘swift-system’
Creating working copy of package ‘swift-argument-parser’
Checking out 1.8.2 of package ‘swift-argument-parser’
Resolve Package Graph
Resolved source packages:
  swift-argument-parser: https://github.com/apple/swift-argument-parser.git @ 1.8.2
  swift-subprocess: https://github.com/swiftlang/swift-subprocess.git @ 1.0.0-beta.1
  swift-system: https://github.com/apple/swift-system @ 1.8.1
  swift-watch: /Users/admin/builder/spi-builder-workspace
resolved source packages: swift-argument-parser, swift-subprocess, swift-system, swift-watch
2026-09-26 13:25:24.950 xcodebuild[529:3035] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
  "dependencies" : [
    {
      "identity" : "swift-argument-parser",
      "requirement" : {
        "exact" : [
          "1.8.2"
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-argument-parser.git"
    },
    {
      "identity" : "swift-subprocess",
      "requirement" : {
        "exact" : [
          "1.0.0-beta.1"
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/swiftlang/swift-subprocess.git"
    }
  ],
  "manifest_display_name" : "swift-watch",
  "name" : "swift-watch",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "13.0"
    }
  ],
  "products" : [
    {
      "name" : "swift-watch",
      "targets" : [
        "swift-watch"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "swift_languages_versions" : [
    "6"
  ],
  "targets" : [
    {
      "c99name" : "swift_watch",
      "module_type" : "SwiftTarget",
      "name" : "swift-watch",
      "path" : "Sources/swift-watch",
      "product_dependencies" : [
        "ArgumentParser"
      ],
      "product_memberships" : [
        "swift-watch"
      ],
      "sources" : [
        "main.swift"
      ],
      "target_dependencies" : [
        "SwiftWatch",
        "SwiftWatchPolling",
        "SwiftWatchRuntime",
        "SwiftWatchFSEvents",
        "SwiftWatchInotify"
      ],
      "type" : "executable"
    },
    {
      "c99name" : "SwiftWatchTests",
      "module_type" : "SwiftTarget",
      "name" : "SwiftWatchTests",
      "path" : "Tests/SwiftWatchTests",
      "sources" : [
        "SwiftWatchTests.swift"
      ],
      "target_dependencies" : [
        "SwiftWatch",
        "swift-watch"
      ],
      "type" : "test"
    },
    {
      "c99name" : "SwiftWatchRuntimeTests",
      "module_type" : "SwiftTarget",
      "name" : "SwiftWatchRuntimeTests",
      "path" : "Tests/SwiftWatchRuntimeTests",
      "sources" : [
        "WatchControllerTests.swift"
      ],
      "target_dependencies" : [
        "SwiftWatch",
        "SwiftWatchRuntime"
      ],
      "type" : "test"
    },
    {
      "c99name" : "SwiftWatchRuntime",
      "module_type" : "SwiftTarget",
      "name" : "SwiftWatchRuntime",
      "path" : "Sources/SwiftWatchRuntime",
      "product_memberships" : [
        "swift-watch"
      ],
      "sources" : [
        "WatchController.swift"
      ],
      "target_dependencies" : [
        "SwiftWatch"
      ],
      "type" : "library"
    },
    {
      "c99name" : "SwiftWatchPollingTests",
      "module_type" : "SwiftTarget",
      "name" : "SwiftWatchPollingTests",
      "path" : "Tests/SwiftWatchPollingTests",
      "sources" : [
        "SwiftWatchPollingTests.swift"
      ],
      "target_dependencies" : [
        "SwiftWatch",
        "SwiftWatchPolling"
      ],
      "type" : "test"
    },
    {
      "c99name" : "SwiftWatchPolling",
      "module_type" : "SwiftTarget",
      "name" : "SwiftWatchPolling",
      "path" : "Sources/SwiftWatchPolling",
      "product_memberships" : [
        "swift-watch"
      ],
      "sources" : [
        "FileSignature.swift",
        "PollingScanner.swift",
        "PollingSession.swift",
        "PollingSnapshot.swift",
        "PollingWatcher.swift"
      ],
      "target_dependencies" : [
        "SwiftWatch"
      ],
      "type" : "library"
    },
    {
      "c99name" : "SwiftWatchInotifyTests",
      "module_type" : "SwiftTarget",
      "name" : "SwiftWatchInotifyTests",
      "path" : "Tests/SwiftWatchInotifyTests",
      "sources" : [
        "SwiftWatchInotifyTests.swift"
      ],
      "target_dependencies" : [
        "SwiftWatch",
        "SwiftWatchInotify"
      ],
      "type" : "test"
    },
    {
      "c99name" : "SwiftWatchInotify",
      "module_type" : "SwiftTarget",
      "name" : "SwiftWatchInotify",
      "path" : "Sources/SwiftWatchInotify",
      "product_memberships" : [
        "swift-watch"
      ],
      "sources" : [
        "InotifyInterop.swift",
        "InotifySession.swift",
        "InotifyWatcher.swift"
      ],
      "target_dependencies" : [
        "SwiftWatch"
      ],
      "type" : "library"
    },
    {
      "c99name" : "SwiftWatchFSEventsTests",
      "module_type" : "SwiftTarget",
      "name" : "SwiftWatchFSEventsTests",
      "path" : "Tests/SwiftWatchFSEventsTests",
      "sources" : [
        "SwiftWatchFSEventsTests.swift"
      ],
      "target_dependencies" : [
        "SwiftWatch",
        "SwiftWatchFSEvents"
      ],
      "type" : "test"
    },
    {
      "c99name" : "SwiftWatchFSEvents",
      "module_type" : "SwiftTarget",
      "name" : "SwiftWatchFSEvents",
      "path" : "Sources/SwiftWatchFSEvents",
      "product_memberships" : [
        "swift-watch"
      ],
      "sources" : [
        "FSEventsInterop.swift",
        "FSEventsSession.swift",
        "FSEventsWatcher.swift"
      ],
      "target_dependencies" : [
        "SwiftWatch"
      ],
      "type" : "library"
    },
    {
      "c99name" : "SwiftWatch",
      "module_type" : "SwiftTarget",
      "name" : "SwiftWatch",
      "path" : "Sources/SwiftWatch",
      "product_dependencies" : [
        "Subprocess"
      ],
      "product_memberships" : [
        "swift-watch"
      ],
      "sources" : [
        "AsyncSupport.swift",
        "BuildManifest/BuildManifestReading.swift",
        "BuildManifest/BuildSystem.swift",
        "BuildManifest/NativeBuildManifest.swift",
        "BuildManifest/SwiftBuildManifest.swift",
        "DirectoryTraversal.swift",
        "ExecutionOptions.swift",
        "FileWatcher.swift",
        "PathContainment.swift",
        "PlannedBuildGraph.swift",
        "SignalCancellation.swift",
        "SwiftToolRunner.swift",
        "SwiftWatchError.swift",
        "WatchGraph.swift",
        "WatchRules.swift",
        "WatchScope.swift",
        "WatchSelection.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.3"
}
{
  "workspace" : {
    "name" : "swift-watch",
    "schemes" : [
      "swift-watch"
    ]
  }
}
2026-09-26 13:25:58.997 xcodebuild[776:4607] [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 swift-watch -destination generic/platform=watchOS
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 swift-watch -destination generic/platform=watchOS
Resolve Package Graph
Resolve Package Graph
Resolved source packages:
  swift-watch: /Users/admin/builder/spi-builder-workspace
  swift-subprocess: https://github.com/swiftlang/swift-subprocess.git @ 1.0.0-beta.1
  swift-system: https://github.com/apple/swift-system @ 1.8.1
  swift-argument-parser: https://github.com/apple/swift-argument-parser.git @ 1.8.2
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (13 targets)
    Target 'swift-watch-product' in project 'swift-watch'
        ➜ Explicit dependency on target 'SwiftWatch' in project 'swift-watch'
        ➜ Explicit dependency on target 'SwiftWatchPolling' in project 'swift-watch'
        ➜ Explicit dependency on target 'SwiftWatchRuntime' in project 'swift-watch'
        ➜ Explicit dependency on target 'Subprocess-product' in project 'swift-subprocess'
        ➜ Explicit dependency on target 'ArgumentParser-product' in project 'swift-argument-parser'
    Target 'ArgumentParser-product' in project 'swift-argument-parser'
        ➜ Explicit dependency on target 'ArgumentParser' in project 'swift-argument-parser'
        ➜ Explicit dependency on target 'ArgumentParserToolInfo' in project 'swift-argument-parser'
    Target 'ArgumentParser' in project 'swift-argument-parser'
        ➜ Explicit dependency on target 'ArgumentParserToolInfo' in project 'swift-argument-parser'
    Target 'ArgumentParserToolInfo' in project 'swift-argument-parser' (no dependencies)
    Target 'SwiftWatchRuntime' in project 'swift-watch'
        ➜ Explicit dependency on target 'SwiftWatch' in project 'swift-watch'
        ➜ Explicit dependency on target 'Subprocess-product' in project 'swift-subprocess'
    Target 'SwiftWatchPolling' in project 'swift-watch'
        ➜ Explicit dependency on target 'SwiftWatch' in project 'swift-watch'
        ➜ Explicit dependency on target 'Subprocess-product' in project 'swift-subprocess'
    Target 'SwiftWatch' in project 'swift-watch'
        ➜ Explicit dependency on target 'Subprocess-product' in project 'swift-subprocess'
    Target 'Subprocess-product' in project 'swift-subprocess'
        ➜ Explicit dependency on target 'Subprocess' in project 'swift-subprocess'
        ➜ Explicit dependency on target '_SubprocessCShims' in project 'swift-subprocess'
        ➜ Explicit dependency on target 'SystemPackage-product' in project 'swift-system'
    Target 'Subprocess' in project 'swift-subprocess'
        ➜ Explicit dependency on target '_SubprocessCShims' in project 'swift-subprocess'
        ➜ Explicit dependency on target 'SystemPackage-product' in project 'swift-system'
    Target 'SystemPackage-product' in project 'swift-system'
        ➜ Explicit dependency on target 'SystemPackage' in project 'swift-system'
        ➜ Explicit dependency on target 'CSystem' in project 'swift-system'
    Target 'SystemPackage' in project 'swift-system'
        ➜ Explicit dependency on target 'CSystem' in project 'swift-system'
    Target 'CSystem' in project 'swift-system' (no dependencies)
    Target '_SubprocessCShims' in project 'swift-subprocess' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64 -isysroot /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS27.0.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/clang -v -E -dM -isysroot /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS27.0.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
ExecuteExternalTool /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64_32 -isysroot /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS27.0.sdk -x c -c /dev/null
ReadFileContents /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/share/docc/features.json
Build description signature: 16d3fc713c86429ea943475554f83515
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/16d3fc713c86429ea943475554f83515.xcbuilddata
error: The package product 'Subprocess-product' requires minimum platform version 27.0 for the watchOS platform, but this target supports 9.0 (in target 'swift-watch-product' from project 'swift-watch')
error: The package product 'Subprocess-product' requires minimum platform version 27.0 for the watchOS platform, but this target supports 9.0 (in target 'SwiftWatch' from project 'swift-watch')
error: The package product 'Subprocess-product' requires minimum platform version 27.0 for the watchOS platform, but this target supports 9.0 (in target 'SwiftWatchPolling' from project 'swift-watch')
error: The package product 'Subprocess-product' requires minimum platform version 27.0 for the watchOS platform, but this target supports 9.0 (in target 'SwiftWatchRuntime' from project 'swift-watch')
2026-09-26 13:26:03.363 xcodebuild[785:4703] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
** BUILD FAILED **
The following build commands failed:
	Building workspace swift-watch with scheme swift-watch
(1 failure)
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:
  swift-system: https://github.com/apple/swift-system @ 1.8.1
  swift-argument-parser: https://github.com/apple/swift-argument-parser.git @ 1.8.2
  swift-watch: /Users/admin/builder/spi-builder-workspace
  swift-subprocess: https://github.com/swiftlang/swift-subprocess.git @ 1.0.0-beta.1
resolved source packages: swift-system, swift-argument-parser, swift-watch, swift-subprocess
2026-09-26 13:26:07.893 xcodebuild[843:5061] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
  "dependencies" : [
    {
      "identity" : "swift-argument-parser",
      "requirement" : {
        "exact" : [
          "1.8.2"
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-argument-parser.git"
    },
    {
      "identity" : "swift-subprocess",
      "requirement" : {
        "exact" : [
          "1.0.0-beta.1"
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/swiftlang/swift-subprocess.git"
    }
  ],
  "manifest_display_name" : "swift-watch",
  "name" : "swift-watch",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "13.0"
    }
  ],
  "products" : [
    {
      "name" : "swift-watch",
      "targets" : [
        "swift-watch"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "swift_languages_versions" : [
    "6"
  ],
  "targets" : [
    {
      "c99name" : "swift_watch",
      "module_type" : "SwiftTarget",
      "name" : "swift-watch",
      "path" : "Sources/swift-watch",
      "product_dependencies" : [
        "ArgumentParser"
      ],
      "product_memberships" : [
        "swift-watch"
      ],
      "sources" : [
        "main.swift"
      ],
      "target_dependencies" : [
        "SwiftWatch",
        "SwiftWatchPolling",
        "SwiftWatchRuntime",
        "SwiftWatchFSEvents",
        "SwiftWatchInotify"
      ],
      "type" : "executable"
    },
    {
      "c99name" : "SwiftWatchTests",
      "module_type" : "SwiftTarget",
      "name" : "SwiftWatchTests",
      "path" : "Tests/SwiftWatchTests",
      "sources" : [
        "SwiftWatchTests.swift"
      ],
      "target_dependencies" : [
        "SwiftWatch",
        "swift-watch"
      ],
      "type" : "test"
    },
    {
      "c99name" : "SwiftWatchRuntimeTests",
      "module_type" : "SwiftTarget",
      "name" : "SwiftWatchRuntimeTests",
      "path" : "Tests/SwiftWatchRuntimeTests",
      "sources" : [
        "WatchControllerTests.swift"
      ],
      "target_dependencies" : [
        "SwiftWatch",
        "SwiftWatchRuntime"
      ],
      "type" : "test"
    },
    {
      "c99name" : "SwiftWatchRuntime",
      "module_type" : "SwiftTarget",
      "name" : "SwiftWatchRuntime",
      "path" : "Sources/SwiftWatchRuntime",
      "product_memberships" : [
        "swift-watch"
      ],
      "sources" : [
        "WatchController.swift"
      ],
      "target_dependencies" : [
        "SwiftWatch"
      ],
      "type" : "library"
    },
    {
      "c99name" : "SwiftWatchPollingTests",
      "module_type" : "SwiftTarget",
      "name" : "SwiftWatchPollingTests",
      "path" : "Tests/SwiftWatchPollingTests",
      "sources" : [
        "SwiftWatchPollingTests.swift"
      ],
      "target_dependencies" : [
        "SwiftWatch",
        "SwiftWatchPolling"
      ],
      "type" : "test"
    },
    {
      "c99name" : "SwiftWatchPolling",
      "module_type" : "SwiftTarget",
      "name" : "SwiftWatchPolling",
      "path" : "Sources/SwiftWatchPolling",
      "product_memberships" : [
        "swift-watch"
      ],
      "sources" : [
        "FileSignature.swift",
        "PollingScanner.swift",
        "PollingSession.swift",
        "PollingSnapshot.swift",
        "PollingWatcher.swift"
      ],
      "target_dependencies" : [
        "SwiftWatch"
      ],
      "type" : "library"
    },
    {
      "c99name" : "SwiftWatchInotifyTests",
      "module_type" : "SwiftTarget",
      "name" : "SwiftWatchInotifyTests",
      "path" : "Tests/SwiftWatchInotifyTests",
      "sources" : [
        "SwiftWatchInotifyTests.swift"
      ],
      "target_dependencies" : [
        "SwiftWatch",
        "SwiftWatchInotify"
      ],
      "type" : "test"
    },
    {
      "c99name" : "SwiftWatchInotify",
      "module_type" : "SwiftTarget",
      "name" : "SwiftWatchInotify",
      "path" : "Sources/SwiftWatchInotify",
      "product_memberships" : [
        "swift-watch"
      ],
      "sources" : [
        "InotifyInterop.swift",
        "InotifySession.swift",
        "InotifyWatcher.swift"
      ],
      "target_dependencies" : [
        "SwiftWatch"
      ],
      "type" : "library"
    },
    {
      "c99name" : "SwiftWatchFSEventsTests",
      "module_type" : "SwiftTarget",
      "name" : "SwiftWatchFSEventsTests",
      "path" : "Tests/SwiftWatchFSEventsTests",
      "sources" : [
        "SwiftWatchFSEventsTests.swift"
      ],
      "target_dependencies" : [
        "SwiftWatch",
        "SwiftWatchFSEvents"
      ],
      "type" : "test"
    },
    {
      "c99name" : "SwiftWatchFSEvents",
      "module_type" : "SwiftTarget",
      "name" : "SwiftWatchFSEvents",
      "path" : "Sources/SwiftWatchFSEvents",
      "product_memberships" : [
        "swift-watch"
      ],
      "sources" : [
        "FSEventsInterop.swift",
        "FSEventsSession.swift",
        "FSEventsWatcher.swift"
      ],
      "target_dependencies" : [
        "SwiftWatch"
      ],
      "type" : "library"
    },
    {
      "c99name" : "SwiftWatch",
      "module_type" : "SwiftTarget",
      "name" : "SwiftWatch",
      "path" : "Sources/SwiftWatch",
      "product_dependencies" : [
        "Subprocess"
      ],
      "product_memberships" : [
        "swift-watch"
      ],
      "sources" : [
        "AsyncSupport.swift",
        "BuildManifest/BuildManifestReading.swift",
        "BuildManifest/BuildSystem.swift",
        "BuildManifest/NativeBuildManifest.swift",
        "BuildManifest/SwiftBuildManifest.swift",
        "DirectoryTraversal.swift",
        "ExecutionOptions.swift",
        "FileWatcher.swift",
        "PathContainment.swift",
        "PlannedBuildGraph.swift",
        "SignalCancellation.swift",
        "SwiftToolRunner.swift",
        "SwiftWatchError.swift",
        "WatchGraph.swift",
        "WatchRules.swift",
        "WatchScope.swift",
        "WatchSelection.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.3"
}
{
  "workspace" : {
    "name" : "swift-watch",
    "schemes" : [
      "swift-watch"
    ]
  }
}
2026-09-26 13:26:10.382 xcodebuild[859:5173] [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 swift-watch -destination generic/platform=watchOS
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 swift-watch -destination generic/platform=watchOS
Resolve Package Graph
Resolved source packages:
  swift-system: https://github.com/apple/swift-system @ 1.8.1
  swift-watch: /Users/admin/builder/spi-builder-workspace
  swift-argument-parser: https://github.com/apple/swift-argument-parser.git @ 1.8.2
  swift-subprocess: https://github.com/swiftlang/swift-subprocess.git @ 1.0.0-beta.1
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (13 targets)
    Target 'swift-watch-product' in project 'swift-watch'
        ➜ Explicit dependency on target 'SwiftWatch' in project 'swift-watch'
        ➜ Explicit dependency on target 'SwiftWatchPolling' in project 'swift-watch'
        ➜ Explicit dependency on target 'SwiftWatchRuntime' in project 'swift-watch'
        ➜ Explicit dependency on target 'Subprocess-product' in project 'swift-subprocess'
        ➜ Explicit dependency on target 'ArgumentParser-product' in project 'swift-argument-parser'
    Target 'ArgumentParser-product' in project 'swift-argument-parser'
        ➜ Explicit dependency on target 'ArgumentParser' in project 'swift-argument-parser'
        ➜ Explicit dependency on target 'ArgumentParserToolInfo' in project 'swift-argument-parser'
    Target 'ArgumentParser' in project 'swift-argument-parser'
        ➜ Explicit dependency on target 'ArgumentParserToolInfo' in project 'swift-argument-parser'
    Target 'ArgumentParserToolInfo' in project 'swift-argument-parser' (no dependencies)
    Target 'SwiftWatchRuntime' in project 'swift-watch'
        ➜ Explicit dependency on target 'SwiftWatch' in project 'swift-watch'
        ➜ Explicit dependency on target 'Subprocess-product' in project 'swift-subprocess'
    Target 'SwiftWatchPolling' in project 'swift-watch'
        ➜ Explicit dependency on target 'SwiftWatch' in project 'swift-watch'
        ➜ Explicit dependency on target 'Subprocess-product' in project 'swift-subprocess'
    Target 'SwiftWatch' in project 'swift-watch'
        ➜ Explicit dependency on target 'Subprocess-product' in project 'swift-subprocess'
    Target 'Subprocess-product' in project 'swift-subprocess'
        ➜ Explicit dependency on target 'Subprocess' in project 'swift-subprocess'
        ➜ Explicit dependency on target '_SubprocessCShims' in project 'swift-subprocess'
        ➜ Explicit dependency on target 'SystemPackage-product' in project 'swift-system'
    Target 'Subprocess' in project 'swift-subprocess'
        ➜ Explicit dependency on target '_SubprocessCShims' in project 'swift-subprocess'
        ➜ Explicit dependency on target 'SystemPackage-product' in project 'swift-system'
    Target 'SystemPackage-product' in project 'swift-system'
        ➜ Explicit dependency on target 'SystemPackage' in project 'swift-system'
        ➜ Explicit dependency on target 'CSystem' in project 'swift-system'
    Target 'SystemPackage' in project 'swift-system'
        ➜ Explicit dependency on target 'CSystem' in project 'swift-system'
    Target 'CSystem' in project 'swift-system' (no dependencies)
    Target '_SubprocessCShims' in project 'swift-subprocess' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
error: The package product 'Subprocess-product' requires minimum platform version 27.0 for the watchOS platform, but this target supports 9.0 (in target 'swift-watch-product' from project 'swift-watch')
error: The package product 'Subprocess-product' requires minimum platform version 27.0 for the watchOS platform, but this target supports 9.0 (in target 'SwiftWatchPolling' from project 'swift-watch')
error: The package product 'Subprocess-product' requires minimum platform version 27.0 for the watchOS platform, but this target supports 9.0 (in target 'SwiftWatchRuntime' from project 'swift-watch')
error: The package product 'Subprocess-product' requires minimum platform version 27.0 for the watchOS platform, but this target supports 9.0 (in target 'SwiftWatch' from project 'swift-watch')
2026-09-26 13:26:12.469 xcodebuild[868:5249] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
** BUILD FAILED **
The following build commands failed:
	Building workspace swift-watch with scheme swift-watch
(1 failure)
BUILD FAILURE 6.4 watchOS