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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 Coordinator with Swift 6.1 for visionOS using Xcode 16.3.

Build Command

Build command unavailable

Build Log

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RunAll
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Builder version: 4.61.1
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/radianttap/Coordinator.git
Reference: 6.5.3
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/radianttap/Coordinator
 * tag               6.5.3      -> FETCH_HEAD
HEAD is now at 1f8f28b Bumped version
Cloned https://github.com/radianttap/Coordinator.git
Revision (git rev-parse @):
1f8f28b986fc03958991a250a0d9fce392a1e23b
SUCCESS checkout https://github.com/radianttap/Coordinator.git at 6.5.3
========================================
Build
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Selected platform:         visionOS
Swift version:             6.1
Building package at path:  $PWD
https://github.com/radianttap/Coordinator.git
https://github.com/radianttap/Coordinator.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Coordinator",
  "name" : "Coordinator",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "12.0"
    },
    {
      "name" : "tvos",
      "version" : "12.0"
    }
  ],
  "products" : [
    {
      "name" : "Coordinator",
      "targets" : [
        "Coordinator"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "swift_languages_versions" : [
    "5"
  ],
  "targets" : [
    {
      "c99name" : "Coordinator",
      "module_type" : "SwiftTarget",
      "name" : "Coordinator",
      "path" : "Coordinator",
      "product_memberships" : [
        "Coordinator"
      ],
      "sources" : [
        "Coordinating.swift",
        "Coordinator.swift",
        "NavigationCoordinator.swift",
        "UIKit-CoordinatingExtensions.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.1"
}
Command line invocation:
    /Applications/Xcode-16.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
resolved source packages:
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Coordinator",
  "name" : "Coordinator",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "12.0"
    },
    {
      "name" : "tvos",
      "version" : "12.0"
    }
  ],
  "products" : [
    {
      "name" : "Coordinator",
      "targets" : [
        "Coordinator"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "swift_languages_versions" : [
    "5"
  ],
  "targets" : [
    {
      "c99name" : "Coordinator",
      "module_type" : "SwiftTarget",
      "name" : "Coordinator",
      "path" : "Coordinator",
      "product_memberships" : [
        "Coordinator"
      ],
      "sources" : [
        "Coordinating.swift",
        "Coordinator.swift",
        "NavigationCoordinator.swift",
        "UIKit-CoordinatingExtensions.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.1"
}
{
  "project" : {
    "configurations" : [
      "Debug",
      "Release"
    ],
    "name" : "Coordinator",
    "schemes" : [
      "Coordinator"
    ],
    "targets" : [
      "Coordinator"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme Coordinator -destination generic/platform=xrOS OTHER_SWIFT_FLAGS=-stats-output-dir .stats -strict-concurrency=complete -enable-upcoming-feature StrictConcurrency -enable-upcoming-feature DisableOutwardActorInference -enable-upcoming-feature GlobalActorIsolatedTypesUsability -enable-upcoming-feature InferSendableFromCaptures
Command line invocation:
    /Applications/Xcode-16.3.0.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 Coordinator -destination generic/platform=xrOS "OTHER_SWIFT_FLAGS=-stats-output-dir .stats -strict-concurrency=complete -enable-upcoming-feature StrictConcurrency -enable-upcoming-feature DisableOutwardActorInference -enable-upcoming-feature GlobalActorIsolatedTypesUsability -enable-upcoming-feature InferSendableFromCaptures"
Build settings from command line:
    OTHER_SWIFT_FLAGS = -stats-output-dir .stats -strict-concurrency=complete -enable-upcoming-feature StrictConcurrency -enable-upcoming-feature DisableOutwardActorInference -enable-upcoming-feature GlobalActorIsolatedTypesUsability -enable-upcoming-feature InferSendableFromCaptures
2025-04-29 11:15:04.040 xcodebuild[573:3233] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2025-29-04_11-15-0004.xcresult
xcodebuild: error: Unable to find a destination matching the provided destination specifier:
		{ generic:1, platform:xrOS }
	Available destinations for the "Coordinator" scheme:
		{ platform:macOS, arch:arm64, variant:Mac Catalyst, id:25db2f9f3c00b5bd8fa9631a3d741414cdc06b4c, name:My Mac }
		{ platform:macOS, arch:x86_64, variant:Mac Catalyst, id:25db2f9f3c00b5bd8fa9631a3d741414cdc06b4c, name:My Mac }
		{ platform:macOS, arch:arm64, variant:Designed for [iPad,iPhone], id:25db2f9f3c00b5bd8fa9631a3d741414cdc06b4c, 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:tvOS, id:dvtdevice-DVTiOSDevicePlaceholder-appletvos:placeholder, name:Any tvOS Device }
		{ platform:tvOS Simulator, id:dvtdevice-DVTiOSDeviceSimulatorPlaceholder-appletvsimulator:placeholder, name:Any tvOS Simulator Device }
	Ineligible destinations for the "Coordinator" scheme:
		{ platform:macOS, variant:Mac Catalyst, name:Any Mac, error:Any Mac’s macOS platform doesn’t match Coordinator.framework’s supported platforms. You can change Coordinator.framework’s Base SDK or Supported Platforms to support Any Mac. }
INFRASTRUCTURE ERROR (status: destinationUnavailable