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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 curl-swift, reference 1.0.1 (ea1342), with Swift 6.1 for macOS (SPM) on 30 Apr 2025 12:34:29 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: 4.61.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/patrick-zippenfenig/curl-swift.git
Reference: 1.0.1
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/patrick-zippenfenig/curl-swift
 * tag               1.0.1      -> FETCH_HEAD
HEAD is now at ea1342d include stdlib
Cloned https://github.com/patrick-zippenfenig/curl-swift.git
Revision (git rev-parse @):
ea1342d7c78ebce74d25e067c7b54b6e6d0a1d4c
SUCCESS checkout https://github.com/patrick-zippenfenig/curl-swift.git at 1.0.1
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/patrick-zippenfenig/curl-swift.git
https://github.com/patrick-zippenfenig/curl-swift.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "curl-swift",
  "name" : "curl-swift",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.10"
    }
  ],
  "products" : [
    {
      "name" : "curl-swift",
      "targets" : [
        "curl-swift"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "curl_swift_tests",
      "module_type" : "SwiftTarget",
      "name" : "curl-swift-tests",
      "path" : "Sources/curl-swift-tests",
      "sources" : [
        "Tests.swift"
      ],
      "target_dependencies" : [
        "curl-swift"
      ],
      "type" : "test"
    },
    {
      "c99name" : "curl_swift",
      "module_type" : "SwiftTarget",
      "name" : "curl-swift",
      "path" : "Sources/curl-swift",
      "product_memberships" : [
        "curl-swift"
      ],
      "sources" : [
        "CURL.swift",
        "CURLSH.swift",
        "CurlError.swift",
        "HTTPHeader.swift",
        "Utils.swift"
      ],
      "target_dependencies" : [
        "CCurl"
      ],
      "type" : "library"
    },
    {
      "c99name" : "CCurl",
      "module_type" : "SystemLibraryTarget",
      "name" : "CCurl",
      "path" : "Sources/CCurl",
      "product_memberships" : [
        "curl-swift"
      ],
      "sources" : [
      ],
      "type" : "system-target"
    }
  ],
  "tools_version" : "5.6"
}
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
[3/8] Compiling curl_swift Utils.swift
[4/8] Compiling curl_swift CURLSH.swift
[5/8] Compiling curl_swift HTTPHeader.swift
[6/8] Compiling curl_swift CurlError.swift
[7/8] Emitting module curl_swift
[8/8] Compiling curl_swift CURL.swift
Build complete! (3.94s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "curl-swift",
  "name" : "curl-swift",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.10"
    }
  ],
  "products" : [
    {
      "name" : "curl-swift",
      "targets" : [
        "curl-swift"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "curl_swift_tests",
      "module_type" : "SwiftTarget",
      "name" : "curl-swift-tests",
      "path" : "Sources/curl-swift-tests",
      "sources" : [
        "Tests.swift"
      ],
      "target_dependencies" : [
        "curl-swift"
      ],
      "type" : "test"
    },
    {
      "c99name" : "curl_swift",
      "module_type" : "SwiftTarget",
      "name" : "curl-swift",
      "path" : "Sources/curl-swift",
      "product_memberships" : [
        "curl-swift"
      ],
      "sources" : [
        "CURL.swift",
        "CURLSH.swift",
        "CurlError.swift",
        "HTTPHeader.swift",
        "Utils.swift"
      ],
      "target_dependencies" : [
        "CCurl"
      ],
      "type" : "library"
    },
    {
      "c99name" : "CCurl",
      "module_type" : "SystemLibraryTarget",
      "name" : "CCurl",
      "path" : "Sources/CCurl",
      "product_memberships" : [
        "curl-swift"
      ],
      "sources" : [
      ],
      "type" : "system-target"
    }
  ],
  "tools_version" : "5.6"
}
Done.