The Swift Package Index logo.Swift Package Index

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 Version, reference 2.1.0 (303a0f), with Swift 6.1 for macOS (SPM) on 29 Apr 2025 09:46:28 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/mxcl/Version.git
Reference: 2.1.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/mxcl/Version
 * tag               2.1.0      -> FETCH_HEAD
HEAD is now at 303a0f9 Merge pull request #23 from danhalliday/master
Cloned https://github.com/mxcl/Version.git
Revision (git rev-parse @):
303a0f916772545e1e8667d3104f83be708a723c
SUCCESS checkout https://github.com/mxcl/Version.git at 2.1.0
========================================
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": "version",
      "name": "Version",
      "url": "https://github.com/mxcl/Version.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/Version",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/mxcl/Version.git
[3/288] Fetching version
Fetched https://github.com/mxcl/Version.git from cache (0.88s)
Creating working copy for https://github.com/mxcl/Version.git
Working copy of https://github.com/mxcl/Version.git resolved at 2.1.0 (303a0f9)
warning: '.resolve-product-dependencies': dependency 'version' 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/mxcl/Version.git
https://github.com/mxcl/Version.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Version",
  "name" : "Version",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Version",
      "targets" : [
        "Version"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "swift_languages_versions" : [
    "4",
    "4.2",
    "5"
  ],
  "targets" : [
    {
      "c99name" : "Version",
      "module_type" : "SwiftTarget",
      "name" : "Version",
      "path" : "Sources",
      "product_memberships" : [
        "Version"
      ],
      "sources" : [
        "Version+Codable.swift",
        "Version+Comparable.swift",
        "Version+Foundation.swift",
        "Version+Range.swift",
        "Version.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "Tests_Version_mxcl",
      "module_type" : "SwiftTarget",
      "name" : "Tests.Version.mxcl",
      "path" : "Tests",
      "sources" : [
        "Case.swift"
      ],
      "target_dependencies" : [
        "Version"
      ],
      "type" : "test"
    }
  ],
  "tools_version" : "5.3"
}
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 Version Version+Codable.swift
[4/8] Emitting module Version
[5/8] Compiling Version Version+Range.swift
[6/8] Compiling Version Version.swift
[7/8] Compiling Version Version+Foundation.swift
[8/8] Compiling Version Version+Comparable.swift
Build complete! (4.24s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Version",
  "name" : "Version",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Version",
      "targets" : [
        "Version"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "swift_languages_versions" : [
    "4",
    "4.2",
    "5"
  ],
  "targets" : [
    {
      "c99name" : "Version",
      "module_type" : "SwiftTarget",
      "name" : "Version",
      "path" : "Sources",
      "product_memberships" : [
        "Version"
      ],
      "sources" : [
        "Version+Codable.swift",
        "Version+Comparable.swift",
        "Version+Foundation.swift",
        "Version+Range.swift",
        "Version.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "Tests_Version_mxcl",
      "module_type" : "SwiftTarget",
      "name" : "Tests.Version.mxcl",
      "path" : "Tests",
      "sources" : [
        "Case.swift"
      ],
      "target_dependencies" : [
        "Version"
      ],
      "type" : "test"
    }
  ],
  "tools_version" : "5.3"
}
Done.