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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 ErrorUtils, reference master (fb29e1), with Swift 6.1 for macOS (SPM) on 26 Apr 2025 03:13:30 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 -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures

Build Log

========================================
RunAll
========================================
Builder version: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/engali94/ErrorUtils.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/engali94/ErrorUtils
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at fb29e17 Bump 1.1.0
Cloned https://github.com/engali94/ErrorUtils.git
Revision (git rev-parse @):
fb29e178edb8c888a95120d25a2d1a82c868002d
SUCCESS checkout https://github.com/engali94/ErrorUtils.git at master
========================================
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": "errorutils",
      "name": "ErrorUtils",
      "url": "https://github.com/engali94/ErrorUtils.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/ErrorUtils",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/engali94/ErrorUtils.git
[1/136] Fetching errorutils
Fetched https://github.com/engali94/ErrorUtils.git from cache (0.73s)
Creating working copy for https://github.com/engali94/ErrorUtils.git
Working copy of https://github.com/engali94/ErrorUtils.git resolved at master (fb29e17)
warning: '.resolve-product-dependencies': dependency 'errorutils' 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/engali94/ErrorUtils.git
https://github.com/engali94/ErrorUtils.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "ErrorUtils",
  "name" : "ErrorUtils",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "8.0"
    },
    {
      "name" : "tvos",
      "version" : "9.0"
    },
    {
      "name" : "watchos",
      "version" : "2.0"
    },
    {
      "name" : "macos",
      "version" : "10.10"
    }
  ],
  "products" : [
    {
      "name" : "ErrorUtils",
      "targets" : [
        "ErrorUtils"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "ErrorUtilsTests",
      "module_type" : "SwiftTarget",
      "name" : "ErrorUtilsTests",
      "path" : "Tests",
      "sources" : [
        "ErrorCategoryTests.swift",
        "Helpers/LinkParser.swift",
        "Helpers/XCTestCase+Ext.swift",
        "OptionalOrThrowTests.swift",
        "ThrowableTests.swift",
        "ValidatorTests.swift"
      ],
      "target_dependencies" : [
        "ErrorUtils"
      ],
      "type" : "test"
    },
    {
      "c99name" : "ErrorUtils",
      "module_type" : "SwiftTarget",
      "name" : "ErrorUtils",
      "path" : "Sources",
      "product_memberships" : [
        "ErrorUtils"
      ],
      "sources" : [
        "AsNSError.swift",
        "ErrorCategory.swift",
        "Optional+throw.swift",
        "Throwable.swift",
        "Validator.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.0"
}
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 -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-2F0A5646E1D333AE.txt
[3/8] Compiling ErrorUtils AsNSError.swift
/Users/admin/builder/spi-builder-workspace/Sources/AsNSError.swift:13:34: warning: conditional cast from 'Self' to 'NSError' always succeeds
11 | public extension Error {
12 |     func asNSError() -> NSError? {
13 |         guard let nsError = self as? NSError else { return nil }
   |                                  `- warning: conditional cast from 'Self' to 'NSError' always succeeds
14 |         return nsError
15 |     }
[4/8] Emitting module ErrorUtils
[5/8] Compiling ErrorUtils Optional+throw.swift
[6/8] Compiling ErrorUtils ErrorCategory.swift
[7/8] Compiling ErrorUtils Validator.swift
[8/8] Compiling ErrorUtils Throwable.swift
Build complete! (4.30s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "ErrorUtils",
  "name" : "ErrorUtils",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "8.0"
    },
    {
      "name" : "tvos",
      "version" : "9.0"
    },
    {
      "name" : "watchos",
      "version" : "2.0"
    },
    {
      "name" : "macos",
      "version" : "10.10"
    }
  ],
  "products" : [
    {
      "name" : "ErrorUtils",
      "targets" : [
        "ErrorUtils"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "ErrorUtilsTests",
      "module_type" : "SwiftTarget",
      "name" : "ErrorUtilsTests",
      "path" : "Tests",
      "sources" : [
        "ErrorCategoryTests.swift",
        "Helpers/LinkParser.swift",
        "Helpers/XCTestCase+Ext.swift",
        "OptionalOrThrowTests.swift",
        "ThrowableTests.swift",
        "ValidatorTests.swift"
      ],
      "target_dependencies" : [
        "ErrorUtils"
      ],
      "type" : "test"
    },
    {
      "c99name" : "ErrorUtils",
      "module_type" : "SwiftTarget",
      "name" : "ErrorUtils",
      "path" : "Sources",
      "product_memberships" : [
        "ErrorUtils"
      ],
      "sources" : [
        "AsNSError.swift",
        "ErrorCategory.swift",
        "Optional+throw.swift",
        "Throwable.swift",
        "Validator.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.0"
}
Done.