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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 Releases, reference 5.0.0 (566ef2), with Swift 6.1 for macOS (SPM) on 24 Apr 2025 21:47:13 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/JohnSundell/releases.git
Reference: 5.0.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/JohnSundell/releases
 * tag               5.0.0      -> FETCH_HEAD
HEAD is now at 566ef26 Merge pull request #5 from JohnSundell/swift-5-1
Cloned https://github.com/JohnSundell/releases.git
Revision (git rev-parse @):
566ef26cf2f5bb5280ff565761682af91b9398db
SUCCESS checkout https://github.com/JohnSundell/releases.git at 5.0.0
Fetching https://github.com/JohnSundell/Require.git
Fetching https://github.com/JohnSundell/ShellOut.git
[1/152] Fetching require
[150/1112] Fetching require, shellout
Fetched https://github.com/JohnSundell/Require.git from cache (0.86s)
Fetched https://github.com/JohnSundell/ShellOut.git from cache (0.86s)
Computing version for https://github.com/JohnSundell/Require.git
Computed https://github.com/JohnSundell/Require.git at 2.0.1 (1.56s)
Computing version for https://github.com/JohnSundell/ShellOut.git
Computed https://github.com/JohnSundell/ShellOut.git at 2.2.0 (2.88s)
Creating working copy for https://github.com/JohnSundell/Require.git
Working copy of https://github.com/JohnSundell/Require.git resolved at 2.0.1
Creating working copy for https://github.com/JohnSundell/ShellOut.git
Working copy of https://github.com/JohnSundell/ShellOut.git resolved at 2.2.0
========================================
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": "releases",
      "name": "Releases",
      "url": "https://github.com/JohnSundell/releases.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/releases",
      "dependencies": [
        {
          "identity": "shellout",
          "name": "ShellOut",
          "url": "https://github.com/JohnSundell/ShellOut.git",
          "version": "2.3.0",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/ShellOut",
          "dependencies": [
          ]
        },
        {
          "identity": "require",
          "name": "Require",
          "url": "https://github.com/JohnSundell/Require.git",
          "version": "2.0.1",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/Require",
          "dependencies": [
          ]
        }
      ]
    }
  ]
}
Fetching https://github.com/JohnSundell/releases.git
[1/174] Fetching releases
Fetched https://github.com/JohnSundell/releases.git from cache (0.62s)
Fetching https://github.com/JohnSundell/ShellOut.git from cache
Fetching https://github.com/JohnSundell/Require.git from cache
Fetched https://github.com/JohnSundell/ShellOut.git from cache (0.45s)
Fetched https://github.com/JohnSundell/Require.git from cache (0.45s)
Computing version for https://github.com/JohnSundell/Require.git
Computed https://github.com/JohnSundell/Require.git at 2.0.1 (0.50s)
Computing version for https://github.com/JohnSundell/ShellOut.git
Computed https://github.com/JohnSundell/ShellOut.git at 2.3.0 (0.03s)
Creating working copy for https://github.com/JohnSundell/ShellOut.git
Working copy of https://github.com/JohnSundell/ShellOut.git resolved at 2.3.0
Creating working copy for https://github.com/JohnSundell/Require.git
Working copy of https://github.com/JohnSundell/Require.git resolved at 2.0.1
Creating working copy for https://github.com/JohnSundell/releases.git
Working copy of https://github.com/JohnSundell/releases.git resolved at 5.0.0 (566ef26)
warning: '.resolve-product-dependencies': dependency 'releases' is not used by any target
Found 2 product dependencies
  - ShellOut
  - Require
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/JohnSundell/releases.git
https://github.com/JohnSundell/releases.git
{
  "dependencies" : [
    {
      "identity" : "shellout",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "2.0.0",
            "upper_bound" : "3.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/JohnSundell/ShellOut.git"
    },
    {
      "identity" : "require",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "2.0.0",
            "upper_bound" : "3.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/JohnSundell/Require.git"
    }
  ],
  "manifest_display_name" : "Releases",
  "name" : "Releases",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Releases",
      "targets" : [
        "Releases"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "ReleasesTests",
      "module_type" : "SwiftTarget",
      "name" : "ReleasesTests",
      "path" : "Tests/ReleasesTests",
      "sources" : [
        "Assert.swift",
        "ReleasesTests.swift",
        "VersionTests.swift"
      ],
      "target_dependencies" : [
        "Releases"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Releases",
      "module_type" : "SwiftTarget",
      "name" : "Releases",
      "path" : "Sources",
      "product_dependencies" : [
        "ShellOut",
        "Require"
      ],
      "product_memberships" : [
        "Releases"
      ],
      "sources" : [
        "Array+Version.swift",
        "Releases.swift",
        "ReleasesError.swift",
        "Version.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.1"
}
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...
[0/4] Write sources
[3/4] Write swift-version-2F0A5646E1D333AE.txt
[5/8] Compiling Require Require.swift
[6/8] Emitting module Require
[7/8] Compiling ShellOut ShellOut.swift
[8/8] Emitting module ShellOut
[9/13] Compiling Releases ReleasesError.swift
[10/13] Compiling Releases Array+Version.swift
[11/13] Compiling Releases Releases.swift
[12/13] Compiling Releases Version.swift
[13/13] Emitting module Releases
Build complete! (6.96s)
Build complete.
{
  "dependencies" : [
    {
      "identity" : "shellout",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "2.0.0",
            "upper_bound" : "3.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/JohnSundell/ShellOut.git"
    },
    {
      "identity" : "require",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "2.0.0",
            "upper_bound" : "3.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/JohnSundell/Require.git"
    }
  ],
  "manifest_display_name" : "Releases",
  "name" : "Releases",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Releases",
      "targets" : [
        "Releases"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "ReleasesTests",
      "module_type" : "SwiftTarget",
      "name" : "ReleasesTests",
      "path" : "Tests/ReleasesTests",
      "sources" : [
        "Assert.swift",
        "ReleasesTests.swift",
        "VersionTests.swift"
      ],
      "target_dependencies" : [
        "Releases"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Releases",
      "module_type" : "SwiftTarget",
      "name" : "Releases",
      "path" : "Sources",
      "product_dependencies" : [
        "ShellOut",
        "Require"
      ],
      "product_memberships" : [
        "Releases"
      ],
      "sources" : [
        "Array+Version.swift",
        "Releases.swift",
        "ReleasesError.swift",
        "Version.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.1"
}
Done.