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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 arm64-to-sim, reference v1.0.0 (37962d), with Swift 6.1 for macOS (SPM) on 28 Apr 2025 05:05:03 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/darrarski/arm64-to-sim.git
Reference: v1.0.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/darrarski/arm64-to-sim
 * tag               v1.0.0     -> FETCH_HEAD
HEAD is now at 37962d6 Improve error handling
Cloned https://github.com/darrarski/arm64-to-sim.git
Revision (git rev-parse @):
37962d62d7f8d34875f793de510950112d860083
SUCCESS checkout https://github.com/darrarski/arm64-to-sim.git at v1.0.0
========================================
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": "arm64-to-sim",
      "name": "arm64-to-sim",
      "url": "https://github.com/darrarski/arm64-to-sim.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/arm64-to-sim",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/darrarski/arm64-to-sim.git
[1/72] Fetching arm64-to-sim
Fetched https://github.com/darrarski/arm64-to-sim.git from cache (0.58s)
Creating working copy for https://github.com/darrarski/arm64-to-sim.git
Working copy of https://github.com/darrarski/arm64-to-sim.git resolved at v1.0.0 (37962d6)
Found 0 product dependencies
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/darrarski/arm64-to-sim.git
https://github.com/darrarski/arm64-to-sim.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "arm64-to-sim",
  "name" : "arm64-to-sim",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "11.0"
    }
  ],
  "products" : [
    {
      "name" : "Arm64ToSim",
      "targets" : [
        "Arm64ToSim"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "arm64-to-sim",
      "targets" : [
        "arm64-to-sim"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "arm64_to_sim",
      "module_type" : "SwiftTarget",
      "name" : "arm64-to-sim",
      "path" : "Sources/arm64-to-sim",
      "product_memberships" : [
        "arm64-to-sim"
      ],
      "sources" : [
        "main.swift"
      ],
      "target_dependencies" : [
        "Arm64ToSim"
      ],
      "type" : "executable"
    },
    {
      "c99name" : "Arm64ToSim",
      "module_type" : "SwiftTarget",
      "name" : "Arm64ToSim",
      "path" : "Sources/Arm64ToSim",
      "product_memberships" : [
        "Arm64ToSim",
        "arm64-to-sim"
      ],
      "sources" : [
        "Arm64ToSim.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.4"
}
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...
[0/7] Write sources
[2/7] Write arm64-to-sim-entitlement.plist
[3/7] Write swift-version-2F0A5646E1D333AE.txt
[5/9] Emitting module Arm64ToSim
[6/9] Compiling Arm64ToSim Arm64ToSim.swift
[7/11] Emitting module arm64_to_sim
[8/11] Compiling arm64_to_sim main.swift
[8/11] Write Objects.LinkFileList
[9/11] Linking arm64-to-sim
[10/11] Applying arm64-to-sim
Build complete! (4.65s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "arm64-to-sim",
  "name" : "arm64-to-sim",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "11.0"
    }
  ],
  "products" : [
    {
      "name" : "Arm64ToSim",
      "targets" : [
        "Arm64ToSim"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "arm64-to-sim",
      "targets" : [
        "arm64-to-sim"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "arm64_to_sim",
      "module_type" : "SwiftTarget",
      "name" : "arm64-to-sim",
      "path" : "Sources/arm64-to-sim",
      "product_memberships" : [
        "arm64-to-sim"
      ],
      "sources" : [
        "main.swift"
      ],
      "target_dependencies" : [
        "Arm64ToSim"
      ],
      "type" : "executable"
    },
    {
      "c99name" : "Arm64ToSim",
      "module_type" : "SwiftTarget",
      "name" : "Arm64ToSim",
      "path" : "Sources/Arm64ToSim",
      "product_memberships" : [
        "Arm64ToSim",
        "arm64-to-sim"
      ],
      "sources" : [
        "Arm64ToSim.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.4"
}
Done.