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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

Successful build of swift-sysctl, reference 1.9.0 (68aed7), with Swift 6.1 for macOS (SPM) on 29 Apr 2025 11:24:59 UTC.

Swift 6 data race errors: 0

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats

Build Log

========================================
RunAll
========================================
Builder version: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/sersoft-gmbh/swift-sysctl.git
Reference: 1.9.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/sersoft-gmbh/swift-sysctl
 * tag               1.9.0      -> FETCH_HEAD
HEAD is now at 68aed7f Add Swift 6.0 support
Cloned https://github.com/sersoft-gmbh/swift-sysctl.git
Revision (git rev-parse @):
68aed7ffda5435c045a220e518967fdbbd5da5dc
SUCCESS checkout https://github.com/sersoft-gmbh/swift-sysctl.git at 1.9.0
Fetching https://github.com/swiftlang/swift-docc-symbolkit from cache
Fetching https://github.com/apple/swift-docc-plugin
[1/2049] Fetching swift-docc-plugin
Fetched https://github.com/apple/swift-docc-plugin from cache (1.22s)
Computing version for https://github.com/apple/swift-docc-plugin
Fetched https://github.com/swiftlang/swift-docc-symbolkit from cache (1.22s)
Computed https://github.com/apple/swift-docc-plugin at 1.4.3 (2.14s)
Computing version for https://github.com/swiftlang/swift-docc-symbolkit
Computed https://github.com/swiftlang/swift-docc-symbolkit at 1.0.0 (0.65s)
Creating working copy for https://github.com/swiftlang/swift-docc-symbolkit
Working copy of https://github.com/swiftlang/swift-docc-symbolkit resolved at 1.0.0
Creating working copy for https://github.com/apple/swift-docc-plugin
Working copy of https://github.com/apple/swift-docc-plugin resolved at 1.4.3
========================================
ResolveProductDependencies
========================================
Resolving dependencies ...
{
  "identity": ".resolve-product-dependencies",
  "name": "resolve-dependencies",
  "url": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
  "version": "unspecified",
  "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
  "dependencies": [
    {
      "identity": "swift-sysctl",
      "name": "swift-sysctl",
      "url": "https://github.com/sersoft-gmbh/swift-sysctl.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-sysctl",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/sersoft-gmbh/swift-sysctl.git
[1/3559] Fetching swift-sysctl
Fetched https://github.com/sersoft-gmbh/swift-sysctl.git from cache (5.82s)
Creating working copy for https://github.com/sersoft-gmbh/swift-sysctl.git
Working copy of https://github.com/sersoft-gmbh/swift-sysctl.git resolved at 1.9.0 (68aed7f)
warning: '.resolve-product-dependencies': dependency 'swift-sysctl' is not used by any target
Found 0 product dependencies
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/sersoft-gmbh/swift-sysctl.git
https://github.com/sersoft-gmbh/swift-sysctl.git
{
  "dependencies" : [
    {
      "identity" : "swift-docc-plugin",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.0.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-docc-plugin"
    }
  ],
  "manifest_display_name" : "swift-sysctl",
  "name" : "swift-sysctl",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Sysctl",
      "targets" : [
        "Sysctl"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SysctlTests",
      "module_type" : "SwiftTarget",
      "name" : "SysctlTests",
      "path" : "Tests/SysctlTests",
      "sources" : [
        "AccessTests.swift",
        "NameGenerationTests.swift"
      ],
      "target_dependencies" : [
        "Sysctl"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Sysctl",
      "module_type" : "SwiftTarget",
      "name" : "Sysctl",
      "path" : "Sources/Sysctl",
      "product_memberships" : [
        "Sysctl"
      ],
      "sources" : [
        "Base/Container.swift",
        "Base/Field.swift",
        "Base/Namespace.swift",
        "Base/ValueRepresentable.swift",
        "Base/ValueTypes.swift",
        "Helpers/SysctlFuncs.swift",
        "Namespaces/Hardware.swift",
        "Namespaces/Kernel.swift",
        "Namespaces/MachineDependent.swift",
        "Namespaces/Network/IPv4.swift",
        "Namespaces/Network/IPv6.swift",
        "Namespaces/Network/Network.swift",
        "Namespaces/User.swift",
        "Namespaces/VirtualMemory.swift",
        "SystemControl.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.0"
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats
[1/1] Compiling plugin Swift-DocC Preview
[2/2] Compiling plugin Swift-DocC
Building for debugging...
[2/4] Write sources
[3/4] Write swift-version-2F0A5646E1D333AE.txt
[5/19] Compiling Sysctl MachineDependent.swift
<unknown>:0: warning: upcoming feature 'GlobalConcurrency' is already enabled as of Swift version 6
[6/19] Compiling Sysctl IPv4.swift
<unknown>:0: warning: upcoming feature 'GlobalConcurrency' is already enabled as of Swift version 6
[7/19] Compiling Sysctl VirtualMemory.swift
<unknown>:0: warning: upcoming feature 'GlobalConcurrency' is already enabled as of Swift version 6
[8/19] Compiling Sysctl IPv6.swift
<unknown>:0: warning: upcoming feature 'GlobalConcurrency' is already enabled as of Swift version 6
[9/20] Compiling Sysctl SystemControl.swift
<unknown>:0: warning: upcoming feature 'GlobalConcurrency' is already enabled as of Swift version 6
[10/20] Compiling Sysctl Network.swift
<unknown>:0: warning: upcoming feature 'GlobalConcurrency' is already enabled as of Swift version 6
[11/20] Compiling Sysctl User.swift
<unknown>:0: warning: upcoming feature 'GlobalConcurrency' is already enabled as of Swift version 6
[12/20] Compiling Sysctl Hardware.swift
<unknown>:0: warning: upcoming feature 'GlobalConcurrency' is already enabled as of Swift version 6
[13/20] Compiling Sysctl Kernel.swift
<unknown>:0: warning: upcoming feature 'GlobalConcurrency' is already enabled as of Swift version 6
[14/20] Compiling Sysctl ValueTypes.swift
<unknown>:0: warning: upcoming feature 'GlobalConcurrency' is already enabled as of Swift version 6
[15/20] Compiling Sysctl SysctlFuncs.swift
<unknown>:0: warning: upcoming feature 'GlobalConcurrency' is already enabled as of Swift version 6
[16/20] Emitting module Sysctl
<unknown>:0: warning: upcoming feature 'GlobalConcurrency' is already enabled as of Swift version 6
[17/20] Compiling Sysctl Namespace.swift
<unknown>:0: warning: upcoming feature 'GlobalConcurrency' is already enabled as of Swift version 6
[18/20] Compiling Sysctl ValueRepresentable.swift
<unknown>:0: warning: upcoming feature 'GlobalConcurrency' is already enabled as of Swift version 6
[19/20] Compiling Sysctl Container.swift
<unknown>:0: warning: upcoming feature 'GlobalConcurrency' is already enabled as of Swift version 6
[20/20] Compiling Sysctl Field.swift
<unknown>:0: warning: upcoming feature 'GlobalConcurrency' is already enabled as of Swift version 6
Build complete! (13.80s)
Build complete.
{
  "dependencies" : [
    {
      "identity" : "swift-docc-plugin",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.0.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-docc-plugin"
    }
  ],
  "manifest_display_name" : "swift-sysctl",
  "name" : "swift-sysctl",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Sysctl",
      "targets" : [
        "Sysctl"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SysctlTests",
      "module_type" : "SwiftTarget",
      "name" : "SysctlTests",
      "path" : "Tests/SysctlTests",
      "sources" : [
        "AccessTests.swift",
        "NameGenerationTests.swift"
      ],
      "target_dependencies" : [
        "Sysctl"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Sysctl",
      "module_type" : "SwiftTarget",
      "name" : "Sysctl",
      "path" : "Sources/Sysctl",
      "product_memberships" : [
        "Sysctl"
      ],
      "sources" : [
        "Base/Container.swift",
        "Base/Field.swift",
        "Base/Namespace.swift",
        "Base/ValueRepresentable.swift",
        "Base/ValueTypes.swift",
        "Helpers/SysctlFuncs.swift",
        "Namespaces/Hardware.swift",
        "Namespaces/Kernel.swift",
        "Namespaces/MachineDependent.swift",
        "Namespaces/Network/IPv4.swift",
        "Namespaces/Network/IPv6.swift",
        "Namespaces/Network/Network.swift",
        "Namespaces/User.swift",
        "Namespaces/VirtualMemory.swift",
        "SystemControl.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.0"
}
Done.