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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 SwiftTweaks with Swift 6.1 for watchOS using Xcode 16.3.

Build Command

Build command unavailable

Build Log

========================================
RunAll
========================================
Builder version: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/bryanjclark/SwiftTweaks.git
Reference: v4.1.2
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/bryanjclark/SwiftTweaks
 * tag               v4.1.2     -> FETCH_HEAD
HEAD is now at 71d09b3 Bump version to 4.1.2
Cloned https://github.com/bryanjclark/SwiftTweaks.git
Revision (git rev-parse @):
71d09b325a7184b508bf1c1d9e77b20c56ef0c56
SUCCESS checkout https://github.com/bryanjclark/SwiftTweaks.git at v4.1.2
========================================
Build
========================================
Selected platform:         watchOS
Swift version:             6.1
Building package at path:  $PWD
https://github.com/bryanjclark/SwiftTweaks.git
https://github.com/bryanjclark/SwiftTweaks.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "SwiftTweaks",
  "name" : "SwiftTweaks",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "10.0"
    }
  ],
  "products" : [
    {
      "name" : "SwiftTweaks",
      "targets" : [
        "SwiftTweaks"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SwiftTweaksTests",
      "module_type" : "SwiftTarget",
      "name" : "SwiftTweaksTests",
      "path" : "SwiftTweaksTests",
      "sources" : [
        "Clipping+TweaksTest.swift",
        "Precision+TweaksTests.swift",
        "Tweak+TweaksTests.swift",
        "TweakActionTests.swift",
        "TweakViewData+TweaksTests.swift",
        "UIColor+TweaksTests.swift"
      ],
      "target_dependencies" : [
        "SwiftTweaks"
      ],
      "type" : "test"
    },
    {
      "c99name" : "SwiftTweaks",
      "module_type" : "SwiftTarget",
      "name" : "SwiftTweaks",
      "path" : "SwiftTweaks",
      "product_memberships" : [
        "SwiftTweaks"
      ],
      "resources" : [
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/SwiftTweaks/Media.xcassets",
          "rule" : {
            "process" : {
            }
          }
        }
      ],
      "sources" : [
        "AnyTweak.swift",
        "AppTheme.swift",
        "BasicAnimationTweakTemplate.swift",
        "CALayer+ShadowTweakTemplate.swift",
        "Clip.swift",
        "ColorRepresentation.swift",
        "ComparableTweakDefaultParameters.swift",
        "EdgeInsetsTweakTemplate.swift",
        "FloatingTweakGroupViewController.swift",
        "HapticsPlayer.swift",
        "HashingUtilities.swift",
        "HitTransparentWindow.swift",
        "MultiTweakBinding.swift",
        "MultiTweakBindingIdentifier.swift",
        "Precision.swift",
        "ShadowTweakTemplate.swift",
        "SpringAnimationTweakTemplate.swift",
        "StringOptionViewController.swift",
        "Tweak.swift",
        "TweakAction.swift",
        "TweakBinding.swift",
        "TweakBindingIdentifier.swift",
        "TweakClusterType.swift",
        "TweakCollection.swift",
        "TweakCollectionViewController.swift",
        "TweakColorCell.swift",
        "TweakColorEditViewController.swift",
        "TweakDebug.swift",
        "TweakGroup.swift",
        "TweakGroupTemplateType.swift",
        "TweakLibrary.swift",
        "TweakPersistency.swift",
        "TweakStore+Sharing.swift",
        "TweakStore.swift",
        "TweakTableCell.swift",
        "TweakViewData.swift",
        "TweakWindow.swift",
        "TweakableType.swift",
        "TweaksCollectionsListViewController.swift",
        "TweaksViewController.swift",
        "UIColor+Tweaks.swift",
        "UIEdgeInsets+EdgeInsetsTweakTemplate.swift",
        "UIImage+SwiftTweaks.swift",
        "UIView+BasicAnimationTweakTemplate.swift",
        "UIView+TweakGroupTemplateSpringAnimation.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.3"
}
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" : "SwiftTweaks",
  "name" : "SwiftTweaks",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "10.0"
    }
  ],
  "products" : [
    {
      "name" : "SwiftTweaks",
      "targets" : [
        "SwiftTweaks"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SwiftTweaksTests",
      "module_type" : "SwiftTarget",
      "name" : "SwiftTweaksTests",
      "path" : "SwiftTweaksTests",
      "sources" : [
        "Clipping+TweaksTest.swift",
        "Precision+TweaksTests.swift",
        "Tweak+TweaksTests.swift",
        "TweakActionTests.swift",
        "TweakViewData+TweaksTests.swift",
        "UIColor+TweaksTests.swift"
      ],
      "target_dependencies" : [
        "SwiftTweaks"
      ],
      "type" : "test"
    },
    {
      "c99name" : "SwiftTweaks",
      "module_type" : "SwiftTarget",
      "name" : "SwiftTweaks",
      "path" : "SwiftTweaks",
      "product_memberships" : [
        "SwiftTweaks"
      ],
      "resources" : [
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/SwiftTweaks/Media.xcassets",
          "rule" : {
            "process" : {
            }
          }
        }
      ],
      "sources" : [
        "AnyTweak.swift",
        "AppTheme.swift",
        "BasicAnimationTweakTemplate.swift",
        "CALayer+ShadowTweakTemplate.swift",
        "Clip.swift",
        "ColorRepresentation.swift",
        "ComparableTweakDefaultParameters.swift",
        "EdgeInsetsTweakTemplate.swift",
        "FloatingTweakGroupViewController.swift",
        "HapticsPlayer.swift",
        "HashingUtilities.swift",
        "HitTransparentWindow.swift",
        "MultiTweakBinding.swift",
        "MultiTweakBindingIdentifier.swift",
        "Precision.swift",
        "ShadowTweakTemplate.swift",
        "SpringAnimationTweakTemplate.swift",
        "StringOptionViewController.swift",
        "Tweak.swift",
        "TweakAction.swift",
        "TweakBinding.swift",
        "TweakBindingIdentifier.swift",
        "TweakClusterType.swift",
        "TweakCollection.swift",
        "TweakCollectionViewController.swift",
        "TweakColorCell.swift",
        "TweakColorEditViewController.swift",
        "TweakDebug.swift",
        "TweakGroup.swift",
        "TweakGroupTemplateType.swift",
        "TweakLibrary.swift",
        "TweakPersistency.swift",
        "TweakStore+Sharing.swift",
        "TweakStore.swift",
        "TweakTableCell.swift",
        "TweakViewData.swift",
        "TweakWindow.swift",
        "TweakableType.swift",
        "TweaksCollectionsListViewController.swift",
        "TweaksViewController.swift",
        "UIColor+Tweaks.swift",
        "UIEdgeInsets+EdgeInsetsTweakTemplate.swift",
        "UIImage+SwiftTweaks.swift",
        "UIView+BasicAnimationTweakTemplate.swift",
        "UIView+TweakGroupTemplateSpringAnimation.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.3"
}
{
  "project" : {
    "configurations" : [
      "Debug",
      "Release"
    ],
    "name" : "SwiftTweaks",
    "schemes" : [
      "SwiftTweaks"
    ],
    "targets" : [
      "SwiftTweaks",
      "SwiftTweaksTests"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme SwiftTweaks -destination generic/platform=watchOS 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 SwiftTweaks -destination generic/platform=watchOS "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
2025-04-28 10:50:33.279 xcodebuild[575:3283] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2025-28-04_10-50-0033.xcresult
xcodebuild: error: Unable to find a destination matching the provided destination specifier:
		{ generic:1, platform:watchOS }
	Available destinations for the "SwiftTweaks" scheme:
		{ platform:macOS, arch:arm64, variant:Mac Catalyst, id:9db5cbdca2b40d37d1c3a0c00359546399e9f897, name:My Mac }
		{ platform:macOS, arch:x86_64, variant:Mac Catalyst, id:9db5cbdca2b40d37d1c3a0c00359546399e9f897, name:My Mac }
		{ platform:macOS, arch:arm64, variant:Designed for [iPad,iPhone], id:9db5cbdca2b40d37d1c3a0c00359546399e9f897, 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