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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-fileio, reference main (23349f), with Swift 6.1 for macOS (SPM) on 5 May 2025 11:53:17 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: 4.61.3
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/p-x9/swift-fileio.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/p-x9/swift-fileio
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 23349fe Merge pull request #15 from p-x9/feature/inlinable
Cloned https://github.com/p-x9/swift-fileio.git
Revision (git rev-parse @):
23349fe1eb23c6ca2876d461a46ff60c0fa92f9c
SUCCESS checkout https://github.com/p-x9/swift-fileio.git at main
========================================
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-fileio",
      "name": "swift-fileio",
      "url": "https://github.com/p-x9/swift-fileio.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-fileio",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/p-x9/swift-fileio.git
[1/155] Fetching swift-fileio
Fetched https://github.com/p-x9/swift-fileio.git from cache (0.62s)
Creating working copy for https://github.com/p-x9/swift-fileio.git
Working copy of https://github.com/p-x9/swift-fileio.git resolved at main (23349fe)
warning: '.resolve-product-dependencies': dependency 'swift-fileio' 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/p-x9/swift-fileio.git
https://github.com/p-x9/swift-fileio.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "swift-fileio",
  "name" : "swift-fileio",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "FileIO",
      "targets" : [
        "FileIO"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "FileIOTests",
      "module_type" : "SwiftTarget",
      "name" : "FileIOTests",
      "path" : "Tests/FileIOTests",
      "sources" : [
        "FileIOTests.swift"
      ],
      "target_dependencies" : [
        "FileIO"
      ],
      "type" : "test"
    },
    {
      "c99name" : "FileIO",
      "module_type" : "SwiftTarget",
      "name" : "FileIO",
      "path" : "Sources/FileIO",
      "product_memberships" : [
        "FileIO"
      ],
      "sources" : [
        "FileIO.swift",
        "MemoryMappedFile.swift",
        "StreamedFile.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.9"
}
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
[3/6] Emitting module FileIO
[4/6] Compiling FileIO StreamedFile.swift
[5/6] Compiling FileIO FileIO.swift
[6/6] Compiling FileIO MemoryMappedFile.swift
Build complete! (4.79s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "swift-fileio",
  "name" : "swift-fileio",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "FileIO",
      "targets" : [
        "FileIO"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "FileIOTests",
      "module_type" : "SwiftTarget",
      "name" : "FileIOTests",
      "path" : "Tests/FileIOTests",
      "sources" : [
        "FileIOTests.swift"
      ],
      "target_dependencies" : [
        "FileIO"
      ],
      "type" : "test"
    },
    {
      "c99name" : "FileIO",
      "module_type" : "SwiftTarget",
      "name" : "FileIO",
      "path" : "Sources/FileIO",
      "product_memberships" : [
        "FileIO"
      ],
      "sources" : [
        "FileIO.swift",
        "MemoryMappedFile.swift",
        "StreamedFile.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.9"
}
Done.