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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 NetTime with Swift 6.0 for visionOS using Xcode 16.0.

Build Command

Build command unavailable

Build Log

========================================
RunAll
========================================
Builder version: 4.56.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/dduan/NetTime.git
Reference: 0.2.3
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/dduan/NetTime
 * tag               0.2.3      -> FETCH_HEAD
HEAD is now at 0b24234 Bume version to 0.2.3
Cloned https://github.com/dduan/NetTime.git
Revision (git rev-parse @):
0b242344ea78e5f9b3eef50ddb9695f580a6d772
SUCCESS checkout https://github.com/dduan/NetTime.git at 0.2.3
========================================
Build
========================================
Selected platform:         visionOS
Swift version:             6.0
Building package at path:  $PWD
https://github.com/dduan/NetTime.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" : "NetTime",
  "name" : "NetTime",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "NetTime",
      "targets" : [
        "NetTime"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "NetTimeTests",
      "module_type" : "SwiftTarget",
      "name" : "NetTimeTests",
      "path" : "Tests/NetTimeTests",
      "sources" : [
        "DateTimeTests.swift",
        "LocalDateTests.swift",
        "LocalDateTimeTests.swift",
        "LocalTimeTests.swift",
        "TimeOffsetTests.swift",
        "XCTestManifests.swift"
      ],
      "target_dependencies" : [
        "NetTime"
      ],
      "type" : "test"
    },
    {
      "c99name" : "NetTime",
      "module_type" : "SwiftTarget",
      "name" : "NetTime",
      "path" : "Sources/NetTime",
      "product_memberships" : [
        "NetTime"
      ],
      "sources" : [
        "DateTime.swift",
        "DateTimeRepresentable.swift",
        "LocalDate.swift",
        "LocalDateTime.swift",
        "LocalTime.swift",
        "TimeOffset.swift",
        "constants.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.0"
}
{
  "project" : {
    "configurations" : [
      "Debug",
      "Release"
    ],
    "name" : "NetTime",
    "schemes" : [
      "NetTime"
    ],
    "targets" : [
      "NetTime",
      "NetTimeTests"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.1.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme NetTime -destination generic/platform=xrOS 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 NetTime -destination generic/platform=xrOS "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
2024-11-01 00:15:56.258 xcodebuild[694:3798] Writing error result bundle to /var/folders/fs/0w3t9t1d28xc3bj0tgb8hcrw0000gn/T/ResultBundle_2024-01-11_00-15-0056.xcresult
xcodebuild: error: Unable to find a destination matching the provided destination specifier:
		{ generic:1, platform:xrOS }
	Available destinations for the "NetTime" scheme:
		{ platform:macOS, arch:arm64, id:0000FE00-8C151E3703BE51BE, name:My Mac }
		{ platform:macOS, arch:x86_64, id:0000FE00-8C151E3703BE51BE, name:My Mac }
		{ platform:iOS, id:dvtdevice-DVTiPhonePlaceholder-iphoneos:placeholder, name:Any iOS Device }
		{ platform:iOS Simulator, id:dvtdevice-DVTiOSDeviceSimulatorPlaceholder-iphonesimulator:placeholder, name:Any iOS Simulator Device }
		{ platform:macOS, name:Any Mac }
		{ platform:tvOS, id:dvtdevice-DVTiOSDevicePlaceholder-appletvos:placeholder, name:Any tvOS Device }
		{ platform:tvOS Simulator, id:dvtdevice-DVTiOSDeviceSimulatorPlaceholder-appletvsimulator:placeholder, name:Any tvOS Simulator Device }
		{ platform:watchOS, id:dvtdevice-DVTiOSDevicePlaceholder-watchos:placeholder, name:Any watchOS Device }
		{ platform:watchOS Simulator, id:dvtdevice-DVTiOSDeviceSimulatorPlaceholder-watchsimulator:placeholder, name:Any watchOS Simulator Device }
		{ platform:tvOS Simulator, id:21B3C97B-EC06-4EDB-941C-AB2B18A9A11D, OS:18.1, name:Apple TV }
		{ platform:tvOS Simulator, id:21B3C97B-EC06-4EDB-941C-AB2B18A9A11D, OS:18.1, name:Apple TV }
		{ platform:tvOS Simulator, id:44425387-8749-4A3E-AA36-8A1398A647A9, OS:18.1, name:Apple TV 4K (3rd generation) }
		{ platform:tvOS Simulator, id:44425387-8749-4A3E-AA36-8A1398A647A9, OS:18.1, name:Apple TV 4K (3rd generation) }
		{ platform:tvOS Simulator, id:091F9688-523C-45C6-94A2-C5DEE4A7AA4E, OS:18.1, name:Apple TV 4K (3rd generation) (at 1080p) }
		{ platform:tvOS Simulator, id:091F9688-523C-45C6-94A2-C5DEE4A7AA4E, OS:18.1, name:Apple TV 4K (3rd generation) (at 1080p) }
		{ platform:watchOS Simulator, id:C5805F42-5B7A-4FEC-9AB2-F7BBE92AEBD9, OS:11.1, name:Apple Watch SE (40mm) (2nd generation) }
		{ platform:watchOS Simulator, id:C5805F42-5B7A-4FEC-9AB2-F7BBE92AEBD9, OS:11.1, name:Apple Watch SE (40mm) (2nd generation) }
		{ platform:watchOS Simulator, id:C936F6AA-7A27-41CD-AD5B-25E1BEBA41D5, OS:11.1, name:Apple Watch SE (44mm) (2nd generation) }
		{ platform:watchOS Simulator, id:C936F6AA-7A27-41CD-AD5B-25E1BEBA41D5, OS:11.1, name:Apple Watch SE (44mm) (2nd generation) }
		{ platform:watchOS Simulator, id:8AE3A1C2-F374-4DC0-9C78-04404B5DA234, OS:11.1, name:Apple Watch Series 10 (42mm) }
		{ platform:watchOS Simulator, id:8AE3A1C2-F374-4DC0-9C78-04404B5DA234, OS:11.1, name:Apple Watch Series 10 (42mm) }
		{ platform:watchOS Simulator, id:8645A335-68D1-42A0-8627-429851FE5F5D, OS:11.1, name:Apple Watch Series 10 (46mm) }
		{ platform:watchOS Simulator, id:8645A335-68D1-42A0-8627-429851FE5F5D, OS:11.1, name:Apple Watch Series 10 (46mm) }
		{ platform:watchOS Simulator, id:9A57675D-8210-40B7-BBBD-D99373CDE677, OS:11.1, name:Apple Watch Ultra 2 (49mm) }
		{ platform:watchOS Simulator, id:9A57675D-8210-40B7-BBBD-D99373CDE677, OS:11.1, name:Apple Watch Ultra 2 (49mm) }
		{ platform:iOS Simulator, id:14C67660-F038-4C1B-8D10-092C5817CFB3, OS:18.1, name:iPad (10th generation) }
		{ platform:iOS Simulator, id:14C67660-F038-4C1B-8D10-092C5817CFB3, OS:18.1, name:iPad (10th generation) }
		{ platform:iOS Simulator, id:A9CA1E39-15FE-4C5F-A1AF-20E108FDDEA0, OS:18.1, name:iPad Air 11-inch (M2) }
		{ platform:iOS Simulator, id:A9CA1E39-15FE-4C5F-A1AF-20E108FDDEA0, OS:18.1, name:iPad Air 11-inch (M2) }
		{ platform:iOS Simulator, id:48D1666C-B60D-47AE-9D1B-9049533351E3, OS:18.1, name:iPad Air 13-inch (M2) }
		{ platform:iOS Simulator, id:48D1666C-B60D-47AE-9D1B-9049533351E3, OS:18.1, name:iPad Air 13-inch (M2) }
		{ platform:iOS Simulator, id:288D6F59-E2E3-48B5-BB23-0411D7B7525A, OS:18.1, name:iPad Pro 11-inch (M4) }
		{ platform:iOS Simulator, id:288D6F59-E2E3-48B5-BB23-0411D7B7525A, OS:18.1, name:iPad Pro 11-inch (M4) }
		{ platform:iOS Simulator, id:AD733322-8BE6-4C49-96A2-3CA2E1E6F62D, OS:18.1, name:iPad Pro 13-inch (M4) }
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		{ platform:iOS Simulator, id:0CB5F154-89A6-4FA6-AA7E-3F65FEC61DB5, OS:18.1, name:iPad mini (6th generation) }
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		{ platform:iOS Simulator, id:8398401E-8679-4987-9A02-2C53850D755F, OS:18.1, name:iPad mini (A17 Pro) }
		{ platform:iOS Simulator, id:8398401E-8679-4987-9A02-2C53850D755F, OS:18.1, name:iPad mini (A17 Pro) }
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		{ platform:iOS Simulator, id:49D3812D-1A02-41C9-9775-F6EB85147BA0, OS:18.1, name:iPhone SE (3rd generation) }
INFRASTRUCTURE ERROR (status: destinationUnavailable