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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 SwiftUIHidden, reference main (106438), with Swift 6.0 for watchOS using Xcode 16.0 on 4 Nov 2024 23:01:14 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.1.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme SwiftUIHidden -destination generic/platform=watchOS OTHER_SWIFT_FLAGS=-stats-output-dir .stats -strict-concurrency=complete

Build Log

========================================
RunAll
========================================
Builder version: 4.56.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/Wouter01/SwiftUI-HiddenAPI.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/Wouter01/SwiftUI-HiddenAPI
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 106438f Update README.md
Cloned https://github.com/Wouter01/SwiftUI-HiddenAPI.git
Revision (git rev-parse @):
106438f4f3a27a6e5f30f946e032bb274d8435eb
SUCCESS checkout https://github.com/Wouter01/SwiftUI-HiddenAPI.git at main
========================================
Build
========================================
Selected platform:         watchOS
Swift version:             6.0
Building package at path:  $PWD
https://github.com/Wouter01/SwiftUI-HiddenAPI.git
Command line invocation:
    /Applications/Xcode-16.1.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
User defaults from command line:
    IDEClonedSourcePackagesDirPathOverride = /Users/admin/builder/spi-builder-workspace/.dependencies
    IDEPackageSupportUseBuiltinSCM = YES
Resolve Package Graph
Resolve Package Graph
Resolved source packages:
  SwiftUIHidden: /Users/admin/builder/spi-builder-workspace
resolved source packages: SwiftUIHidden
{
  "dependencies" : [
  ],
  "manifest_display_name" : "SwiftUIHidden",
  "name" : "SwiftUIHidden",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "12.0"
    },
    {
      "name" : "ios",
      "version" : "15.0"
    }
  ],
  "products" : [
    {
      "name" : "SwiftUIHidden",
      "targets" : [
        "SwiftUIHidden"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SwiftUIHidden",
      "module_type" : "BinaryTarget",
      "name" : "SwiftUIHidden",
      "path" : "Sources/SwiftUIHidden.xcframework",
      "product_memberships" : [
        "SwiftUIHidden"
      ],
      "sources" : [
      ],
      "type" : "binary"
    }
  ],
  "tools_version" : "5.9"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "SwiftUIHidden"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.1.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme SwiftUIHidden -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 SwiftUIHidden -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
Resolve Package Graph
Resolved source packages:
  SwiftUIHidden: /Users/admin/builder/spi-builder-workspace
Prepare packages
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (1 target)
    Target 'SwiftUIHidden' in project 'SwiftUIHidden' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-16.1.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-16.1.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS11.1.sdk -x c -c /dev/null
Build description signature: 908148151424af23be4e8633532d41c9
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/908148151424af23be4e8633532d41c9.xcbuilddata
/Users/admin/builder/spi-builder-workspace/Sources/SwiftUIHidden.xcframework:1:1: error: While building for watchOS, no library for this platform was found in '/Users/admin/builder/spi-builder-workspace/Sources/SwiftUIHidden.xcframework'. (in target 'SwiftUIHidden' from project 'SwiftUIHidden')
** BUILD FAILED **
The following build commands failed:
	Building workspace spi-builder-workspace with scheme SwiftUIHidden
(1 failure)
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 SwiftUIHidden -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
Resolve Package Graph
Resolved source packages:
  SwiftUIHidden: /Users/admin/builder/spi-builder-workspace
Prepare packages
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (1 target)
    Target 'SwiftUIHidden' in project 'SwiftUIHidden' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
/Users/admin/builder/spi-builder-workspace/Sources/SwiftUIHidden.xcframework:1:1: error: While building for watchOS, no library for this platform was found in '/Users/admin/builder/spi-builder-workspace/Sources/SwiftUIHidden.xcframework'. (in target 'SwiftUIHidden' from project 'SwiftUIHidden')
** BUILD FAILED **
The following build commands failed:
	Building workspace spi-builder-workspace with scheme SwiftUIHidden
(1 failure)
BUILD FAILURE 6.0 watchOS