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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, reference main (81d3d0), with Swift 5.9 for macOS (SPM) on 14 Apr 2025 11:13:44 UTC.

Swift 6 data race errors: 0

Build Command

env DEVELOPER_DIR=/Applications/Xcode-15.2.0.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 4.60.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/apple/swift-log.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/apple/swift-log
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 81d3d07 Enable Swift 6.1 jobs in CI (#359)
Cloned https://github.com/apple/swift-log.git
Revision (git rev-parse @):
81d3d07f1439ddcf3df61b2128857ab7532a5804
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/apple/swift-log.git at main
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             5.9
Building package at path:  $PWD
https://github.com/apple/swift-log.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-15.2.0.app xcrun swift build --arch arm64
Building for debugging...
[1/5] Compiling Logging MetadataProvider.swift
[2/5] Compiling Logging LogHandler.swift
[3/5] Emitting module Logging
[4/5] Compiling Logging Logging.swift
[5/5] Compiling Logging Locks.swift
Build complete! (2.69s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "swift-log",
  "name" : "swift-log",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Logging",
      "targets" : [
        "Logging"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "LoggingTests",
      "module_type" : "SwiftTarget",
      "name" : "LoggingTests",
      "path" : "Tests/LoggingTests",
      "sources" : [
        "CompatibilityTest.swift",
        "GlobalLoggingTest.swift",
        "LocalLoggingTest.swift",
        "LoggingTest.swift",
        "MDCTest.swift",
        "MetadataProviderTest.swift",
        "SubDirectoryOfLoggingTests/EmitALogFromSubDirectory.swift",
        "TestLogger.swift",
        "TestSendable.swift"
      ],
      "target_dependencies" : [
        "Logging"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Logging",
      "module_type" : "SwiftTarget",
      "name" : "Logging",
      "path" : "Sources/Logging",
      "product_memberships" : [
        "Logging"
      ],
      "sources" : [
        "Locks.swift",
        "LogHandler.swift",
        "Logging.swift",
        "MetadataProvider.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.9"
}
Done.