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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 SwiftIP, reference master (6c788e), with Swift 6.1 for macOS (SPM) on 28 Apr 2025 07:38:14 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/Samasaur1/SwiftIP.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/Samasaur1/SwiftIP
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 6c788e2 Bump version in .jazzy.yaml
Cloned https://github.com/Samasaur1/SwiftIP.git
Revision (git rev-parse @):
6c788e2d34ad93f786abaf4fbb69662a9e045276
SUCCESS checkout https://github.com/Samasaur1/SwiftIP.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": "swiftip",
      "name": "SwiftIP",
      "url": "https://github.com/Samasaur1/SwiftIP.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/SwiftIP",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/Samasaur1/SwiftIP.git
[1/295] Fetching swiftip
Fetched https://github.com/Samasaur1/SwiftIP.git from cache (0.92s)
Creating working copy for https://github.com/Samasaur1/SwiftIP.git
Working copy of https://github.com/Samasaur1/SwiftIP.git resolved at master (6c788e2)
warning: '.resolve-product-dependencies': dependency 'swiftip' 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/Samasaur1/SwiftIP.git
https://github.com/Samasaur1/SwiftIP.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "SwiftIP",
  "name" : "SwiftIP",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "SwiftIP",
      "targets" : [
        "SwiftIP"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SwiftIPTests",
      "module_type" : "SwiftTarget",
      "name" : "SwiftIPTests",
      "path" : "Tests/SwiftIPTests",
      "sources" : [
        "SwiftIPTests.swift",
        "XCTestManifests.swift"
      ],
      "target_dependencies" : [
        "SwiftIP"
      ],
      "type" : "test"
    },
    {
      "c99name" : "SwiftIP",
      "module_type" : "SwiftTarget",
      "name" : "SwiftIP",
      "path" : "Sources/SwiftIP",
      "product_memberships" : [
        "SwiftIP"
      ],
      "sources" : [
        "SwiftIP.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "4.2"
}
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
[3/4] Compiling SwiftIP SwiftIP.swift
/Users/admin/builder/spi-builder-workspace/Sources/SwiftIP/SwiftIP.swift:50:13: warning: mutation of captured var 'ip' in concurrently-executing code
 48 |                 return
 49 |             }
 50 |             ip = String(data: data, encoding: .utf8)
    |             `- warning: mutation of captured var 'ip' in concurrently-executing code
 51 |             semaphore.signal()
 52 |         }
[4/4] Emitting module SwiftIP
Build complete! (3.62s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "SwiftIP",
  "name" : "SwiftIP",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "SwiftIP",
      "targets" : [
        "SwiftIP"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SwiftIPTests",
      "module_type" : "SwiftTarget",
      "name" : "SwiftIPTests",
      "path" : "Tests/SwiftIPTests",
      "sources" : [
        "SwiftIPTests.swift",
        "XCTestManifests.swift"
      ],
      "target_dependencies" : [
        "SwiftIP"
      ],
      "type" : "test"
    },
    {
      "c99name" : "SwiftIP",
      "module_type" : "SwiftTarget",
      "name" : "SwiftIP",
      "path" : "Sources/SwiftIP",
      "product_memberships" : [
        "SwiftIP"
      ],
      "sources" : [
        "SwiftIP.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "4.2"
}
Done.