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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-log-playground, reference main (3d82ac), with Swift 6.1 for macOS (SPM) on 30 Apr 2025 05:02:13 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

Build Log

========================================
RunAll
========================================
Builder version: 4.61.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/kkebo/swift-log-playground.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/kkebo/swift-log-playground
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 3d82acd Merge pull request #19 from kkebo/development-on-ipados
Cloned https://github.com/kkebo/swift-log-playground.git
Revision (git rev-parse @):
3d82acd5c70c5772b721f8e4647467ebdf4cf3a2
SUCCESS checkout https://github.com/kkebo/swift-log-playground.git at main
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/kkebo/swift-log-playground.git
https://github.com/kkebo/swift-log-playground.git
{
  "dependencies" : [
    {
      "identity" : "swift-log",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.5.4",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-log"
    }
  ],
  "manifest_display_name" : "swift-log-playground",
  "name" : "swift-log-playground",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "LoggingPlayground",
      "targets" : [
        "LoggingPlayground"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "LoggingPlayground",
      "module_type" : "SwiftTarget",
      "name" : "LoggingPlayground",
      "path" : "Sources",
      "product_dependencies" : [
        "Logging"
      ],
      "product_memberships" : [
        "LoggingPlayground"
      ],
      "sources" : [
        "PlaygroundHandler.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.0"
}
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
Building for debugging...
[0/3] Write sources
[2/3] Write swift-version-2F0A5646E1D333AE.txt
[4/8] Compiling Logging MetadataProvider.swift
[5/8] Compiling Logging LogHandler.swift
[6/8] Compiling Logging Locks.swift
[7/8] Compiling Logging Logging.swift
[8/8] Emitting module Logging
[9/10] Compiling LoggingPlayground PlaygroundHandler.swift
[10/10] Emitting module LoggingPlayground
Build complete! (5.22s)
Fetching https://github.com/apple/swift-log from cache
Fetched https://github.com/apple/swift-log from cache (0.74s)
Computing version for https://github.com/apple/swift-log
Computed https://github.com/apple/swift-log at 1.6.3 (1.23s)
Creating working copy for https://github.com/apple/swift-log
Working copy of https://github.com/apple/swift-log resolved at 1.6.3
Build complete.
{
  "dependencies" : [
    {
      "identity" : "swift-log",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.5.4",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-log"
    }
  ],
  "manifest_display_name" : "swift-log-playground",
  "name" : "swift-log-playground",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "LoggingPlayground",
      "targets" : [
        "LoggingPlayground"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "LoggingPlayground",
      "module_type" : "SwiftTarget",
      "name" : "LoggingPlayground",
      "path" : "Sources",
      "product_dependencies" : [
        "Logging"
      ],
      "product_memberships" : [
        "LoggingPlayground"
      ],
      "sources" : [
        "PlaygroundHandler.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.0"
}
Done.