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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 FWDebug, reference 6.0.1 (4bd273), with Swift 6.0 for watchOS using Xcode 16.2 on 18 Mar 2025 19:23:39 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.2.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme FWDebug -destination generic/platform=watchOS

Build Log

========================================
RunAll
========================================
Builder version: 4.60.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/lszzy/FWDebug.git
Reference: 6.0.1
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/lszzy/FWDebug
 * tag               6.0.1      -> FETCH_HEAD
HEAD is now at 4bd2738 Finish Release-6.0.1-20250318
Cloned https://github.com/lszzy/FWDebug.git
Revision (git rev-parse @):
4bd2738c9558cf92f5557e248629b134ec2f5e05
SUCCESS checkout https://github.com/lszzy/FWDebug.git at 6.0.1
========================================
Build
========================================
Selected platform:         watchOS
Swift version:             6.0
Building package at path:  $PWD
https://github.com/lszzy/FWDebug.git
https://github.com/lszzy/FWDebug.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "FWDebug",
  "name" : "FWDebug",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "12.0"
    }
  ],
  "products" : [
    {
      "name" : "FWDebug",
      "targets" : [
        "FWDebug"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "FWDebug",
      "module_type" : "BinaryTarget",
      "name" : "FWDebug",
      "path" : "remote/archive/FWDebug.xcframework.zip",
      "product_memberships" : [
        "FWDebug"
      ],
      "sources" : [
      ],
      "type" : "binary"
    }
  ],
  "tools_version" : "5.3"
}
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" : "FWDebug",
  "name" : "FWDebug",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "12.0"
    }
  ],
  "products" : [
    {
      "name" : "FWDebug",
      "targets" : [
        "FWDebug"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "FWDebug",
      "module_type" : "BinaryTarget",
      "name" : "FWDebug",
      "path" : "remote/archive/FWDebug.xcframework.zip",
      "product_memberships" : [
        "FWDebug"
      ],
      "sources" : [
      ],
      "type" : "binary"
    }
  ],
  "tools_version" : "5.3"
}
{
  "project" : {
    "configurations" : [
      "Debug",
      "Release"
    ],
    "name" : "Pods",
    "schemes" : [
      "FWDebug",
      "Pods-Example"
    ],
    "targets" : [
      "FWDebug",
      "Pods-Example"
    ]
  }
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "FWDebug"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.2.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme FWDebug -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-16.2.0.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 FWDebug -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"
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
Resolve Package Graph
Resolved source packages:
  FWDebug: /Users/admin/builder/spi-builder-workspace
Prepare packages
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (1 target)
    Target 'FWDebug' in project 'FWDebug' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-16.2.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-16.2.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS11.2.sdk -x c -c /dev/null
Build description signature: 342951615fbd7bdf3bbb344688ee9386
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/342951615fbd7bdf3bbb344688ee9386.xcbuilddata
/Users/admin/builder/spi-builder-workspace/.dependencies/artifacts/spi-builder-workspace/FWDebug/FWDebug.xcframework:1:1: error: While building for watchOS, no library for this platform was found in '/Users/admin/builder/spi-builder-workspace/.dependencies/artifacts/spi-builder-workspace/FWDebug/FWDebug.xcframework'. (in target 'FWDebug' from project 'FWDebug')
** BUILD FAILED **
The following build commands failed:
	Building workspace spi-builder-workspace with scheme FWDebug
(1 failure)
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
Resolve Package Graph
Resolved source packages:
  FWDebug: /Users/admin/builder/spi-builder-workspace
resolved source packages: FWDebug
{
  "dependencies" : [
  ],
  "manifest_display_name" : "FWDebug",
  "name" : "FWDebug",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "12.0"
    }
  ],
  "products" : [
    {
      "name" : "FWDebug",
      "targets" : [
        "FWDebug"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "FWDebug",
      "module_type" : "BinaryTarget",
      "name" : "FWDebug",
      "path" : "remote/archive/FWDebug.xcframework.zip",
      "product_memberships" : [
        "FWDebug"
      ],
      "sources" : [
      ],
      "type" : "binary"
    }
  ],
  "tools_version" : "5.3"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "FWDebug"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.2.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme FWDebug -destination generic/platform=watchOS
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 FWDebug -destination generic/platform=watchOS
User defaults from command line:
    IDEClonedSourcePackagesDirPathOverride = /Users/admin/builder/spi-builder-workspace/.dependencies
    IDEDerivedDataPathOverride = /Users/admin/builder/spi-builder-workspace/.derivedData
    IDEPackageSupportUseBuiltinSCM = YES
Resolve Package Graph
Resolved source packages:
  FWDebug: /Users/admin/builder/spi-builder-workspace
Prepare packages
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (1 target)
    Target 'FWDebug' in project 'FWDebug' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-16.2.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-16.2.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS11.2.sdk -x c -c /dev/null
Build description signature: 98284ff39d01714c6d9819d02de60834
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/98284ff39d01714c6d9819d02de60834.xcbuilddata
/Users/admin/builder/spi-builder-workspace/.dependencies/artifacts/spi-builder-workspace/FWDebug/FWDebug.xcframework:1:1: error: While building for watchOS, no library for this platform was found in '/Users/admin/builder/spi-builder-workspace/.dependencies/artifacts/spi-builder-workspace/FWDebug/FWDebug.xcframework'. (in target 'FWDebug' from project 'FWDebug')
** BUILD FAILED **
The following build commands failed:
	Building workspace spi-builder-workspace with scheme FWDebug
(1 failure)
BUILD FAILURE 6.0 watchOS