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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 Source with Swift 6.0 for visionOS using Xcode 16.2.

Build Command

Build command unavailable

Build Log

========================================
RunAll
========================================
Builder version: 4.60.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/blackjacx/Source.git
Reference: develop
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/blackjacx/Source
 * branch            develop    -> FETCH_HEAD
 * [new branch]      develop    -> origin/develop
HEAD is now at 6841a1f Update LICENSE
Cloned https://github.com/blackjacx/Source.git
Revision (git rev-parse @):
6841a1f400c61c01f12844090c821d1a9b7e1212
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/blackjacx/Source.git at develop
========================================
Build
========================================
Selected platform:         visionOS
Swift version:             6.0
Building package at path:  $PWD
https://github.com/blackjacx/Source.git
https://github.com/blackjacx/Source.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Source",
  "name" : "Source",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "14.0"
    }
  ],
  "products" : [
    {
      "name" : "Source",
      "targets" : [
        "Source"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "swift_languages_versions" : [
    "5"
  ],
  "targets" : [
    {
      "c99name" : "Source",
      "module_type" : "SwiftTarget",
      "name" : "Source",
      "path" : "Source",
      "product_memberships" : [
        "Source"
      ],
      "sources" : [
        "Configurable.swift",
        "ConfigurableSupplementaryView.swift",
        "DataSource.swift",
        "HeightConfigurable.swift",
        "ModelCollection.swift",
        "NSDirectionalLayoutEdges+Extensions.swift",
        "Reusable.swift",
        "Section.swift",
        "SupplementaryViewModel.swift",
        "UITableViewCell+Extensions.swift",
        "ViewModel.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.10"
}
Command line invocation:
    /Applications/Xcode-16.2.0.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" : "Source",
  "name" : "Source",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "14.0"
    }
  ],
  "products" : [
    {
      "name" : "Source",
      "targets" : [
        "Source"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "swift_languages_versions" : [
    "5"
  ],
  "targets" : [
    {
      "c99name" : "Source",
      "module_type" : "SwiftTarget",
      "name" : "Source",
      "path" : "Source",
      "product_memberships" : [
        "Source"
      ],
      "sources" : [
        "Configurable.swift",
        "ConfigurableSupplementaryView.swift",
        "DataSource.swift",
        "HeightConfigurable.swift",
        "ModelCollection.swift",
        "NSDirectionalLayoutEdges+Extensions.swift",
        "Reusable.swift",
        "Section.swift",
        "SupplementaryViewModel.swift",
        "UITableViewCell+Extensions.swift",
        "ViewModel.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.10"
}
{
  "project" : {
    "configurations" : [
      "Debug",
      "Release"
    ],
    "name" : "Source",
    "schemes" : [
      "Source"
    ],
    "targets" : [
      "Source",
      "SourceTests"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.2.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme Source -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-16.2.0.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 Source -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"
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 -enable-upcoming-feature StrictConcurrency -enable-upcoming-feature DisableOutwardActorInference -enable-upcoming-feature GlobalActorIsolatedTypesUsability -enable-upcoming-feature InferSendableFromCaptures
2025-01-22 15:25:14.937 xcodebuild[726:3948] Writing error result bundle to /var/folders/fs/0w3t9t1d28xc3bj0tgb8hcrw0000gn/T/ResultBundle_2025-22-01_15-25-0014.xcresult
xcodebuild: error: Unable to find a destination matching the provided destination specifier:
		{ generic:1, platform:xrOS }
	Available destinations for the "Source" scheme:
		{ platform:macOS, arch:arm64, variant:Mac Catalyst, id:0000FE00-8C151E3703BE51BE, name:My Mac }
		{ platform:macOS, arch:x86_64, variant:Mac Catalyst, id:0000FE00-8C151E3703BE51BE, name:My Mac }
		{ platform:macOS, arch:arm64, variant:Designed for [iPad,iPhone], 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, variant:Mac Catalyst, name:Any Mac }
INFRASTRUCTURE ERROR (status: destinationUnavailable