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Track the adoption of Swift 6 strict concurrency checks for data race safety. How many packages are Ready for Swift 6?

Build Information

Failed to build CircularProgress with Swift 6.0 for watchOS using Xcode 16.0.

Build Command

Build command unavailable

Build Log

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RunAll
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Builder version: 4.56.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/sindresorhus/CircularProgress.git
Reference: v3.0.1
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/sindresorhus/CircularProgress
 * tag               v3.0.1     -> FETCH_HEAD
HEAD is now at 8bb9dd2 3.0.1
Cloned https://github.com/sindresorhus/CircularProgress.git
Revision (git rev-parse @):
8bb9dd2820b1cc123f2629c86c569c9f6e5edb66
SUCCESS checkout https://github.com/sindresorhus/CircularProgress.git at v3.0.1
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Build
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Selected platform:         watchOS
Swift version:             6.0
Building package at path:  $PWD
https://github.com/sindresorhus/CircularProgress.git
Command line invocation:
    /Applications/Xcode-16.1.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
User defaults from command line:
    IDEClonedSourcePackagesDirPathOverride = /Users/admin/builder/spi-builder-workspace/.dependencies
    IDEPackageSupportUseBuiltinSCM = YES
resolved source packages:
{
  "dependencies" : [
  ],
  "manifest_display_name" : "CircularProgress",
  "name" : "CircularProgress",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.15"
    }
  ],
  "products" : [
    {
      "name" : "CircularProgress",
      "targets" : [
        "CircularProgress"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "CircularProgress",
      "module_type" : "SwiftTarget",
      "name" : "CircularProgress",
      "path" : "Sources/CircularProgress",
      "product_memberships" : [
        "CircularProgress"
      ],
      "sources" : [
        "CheckmarkView.swift",
        "CircularProgress.swift",
        "Utilities.swift",
        "Vendored/CustomButton+Utilities.swift",
        "Vendored/CustomButton.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.7"
}
{
  "project" : {
    "configurations" : [
      "Debug",
      "Release"
    ],
    "name" : "CircularProgress",
    "schemes" : [
      "CircularProgress-Package",
      "CircularProgressExample",
      "CircularProgressPackageDescription"
    ],
    "targets" : [
      "CircularProgress",
      "CircularProgressPackageDescription",
      "CircularProgressExample"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.1.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme CircularProgress-Package -destination generic/platform=watchOS OTHER_SWIFT_FLAGS=-stats-output-dir .stats -strict-concurrency=complete
Command line invocation:
    /Applications/Xcode-16.1.0.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 CircularProgress-Package -destination generic/platform=watchOS "OTHER_SWIFT_FLAGS=-stats-output-dir .stats -strict-concurrency=complete"
User defaults from command line:
    IDEClonedSourcePackagesDirPathOverride = /Users/admin/builder/spi-builder-workspace/.dependencies
    IDEDerivedDataPathOverride = /Users/admin/builder/spi-builder-workspace/.derivedData
    IDEPackageSupportUseBuiltinSCM = YES
Build settings from command line:
    OTHER_SWIFT_FLAGS = -stats-output-dir .stats -strict-concurrency=complete
2024-11-02 16:25:58.350 xcodebuild[704:3910] Writing error result bundle to /var/folders/fs/0w3t9t1d28xc3bj0tgb8hcrw0000gn/T/ResultBundle_2024-02-11_16-25-0058.xcresult
xcodebuild: error: Unable to find a destination matching the provided destination specifier:
		{ generic:1, platform:watchOS }
	Available destinations for the "CircularProgress-Package" scheme:
		{ platform:macOS, arch:arm64, id:0000FE00-8C151E3703BE51BE, name:My Mac }
		{ platform:macOS, arch:x86_64, id:0000FE00-8C151E3703BE51BE, name:My Mac }
		{ platform:macOS, name:Any Mac }
INFRASTRUCTURE ERROR (status: destinationUnavailable