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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 SwiftNFD, reference main (955156), with Swift 6.1 for macOS (SPM) on 26 Apr 2025 17:15:34 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/ctreffs/SwiftNFD.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/ctreffs/SwiftNFD
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 9551561 Update dependency nicklockwood/SwiftFormat to v0.51.10 (#18)
Submodule path '3rdparty/nativefiledialog': checked out '67345b80ebb429ecc2aeda94c478b3bcc5f7888e'
Submodule path '3rdparty/nativefiledialog-extended': checked out '800e880d335bc5af1fef757eac835161c7b93102'
Submodule '3rdparty/nativefiledialog' (https://github.com/mlabbe/nativefiledialog.git) registered for path '3rdparty/nativefiledialog'
Submodule '3rdparty/nativefiledialog-extended' (https://github.com/btzy/nativefiledialog-extended.git) registered for path '3rdparty/nativefiledialog-extended'
Cloning into '/Users/admin/builder/spi-builder-workspace/3rdparty/nativefiledialog'...
Cloning into '/Users/admin/builder/spi-builder-workspace/3rdparty/nativefiledialog-extended'...
Cloned https://github.com/ctreffs/SwiftNFD.git
Revision (git rev-parse @):
95515615134981e958d6e1c5e515e54144f78e5d
SUCCESS checkout https://github.com/ctreffs/SwiftNFD.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": "swiftnfd",
      "name": "SwiftNFD",
      "url": "https://github.com/ctreffs/SwiftNFD.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/SwiftNFD",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/ctreffs/SwiftNFD.git
[1/392] Fetching swiftnfd
Fetched https://github.com/ctreffs/SwiftNFD.git from cache (0.80s)
Creating working copy for https://github.com/ctreffs/SwiftNFD.git
Working copy of https://github.com/ctreffs/SwiftNFD.git resolved at main (9551561)
warning: '.resolve-product-dependencies': dependency 'swiftnfd' 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/ctreffs/SwiftNFD.git
https://github.com/ctreffs/SwiftNFD.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "SwiftNFD",
  "name" : "SwiftNFD",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "NFD",
      "targets" : [
        "NFD"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "NFD",
      "module_type" : "SwiftTarget",
      "name" : "NFD",
      "path" : "Sources/NFD",
      "product_memberships" : [
        "NFD"
      ],
      "sources" : [
        "SwiftNFD.swift"
      ],
      "target_dependencies" : [
        "CNFD"
      ],
      "type" : "library"
    },
    {
      "c99name" : "CNFD",
      "module_type" : "ClangTarget",
      "name" : "CNFD",
      "path" : "Sources/CNFD",
      "product_memberships" : [
        "NFD"
      ],
      "sources" : [
        "nfd_cocoa.m",
        "nfd_common.c",
        "nfd_default.c",
        "nfd_gtk.c",
        "nfd_win.cpp"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.1"
}
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
[1/7] Compiling CNFD nfd_default.c
[1/7] Compiling CNFD nfd_win.cpp
[3/7] Compiling CNFD nfd_gtk.c
[4/7] Write swift-version-2F0A5646E1D333AE.txt
[5/7] Compiling CNFD nfd_common.c
[6/7] Compiling CNFD nfd_cocoa.m
[8/9] Compiling NFD SwiftNFD.swift
/Users/admin/builder/spi-builder-workspace/Sources/NFD/SwiftNFD.swift:1:22: warning: using '@_implementationOnly' without enabling library evolution for 'NFD' may lead to instability during execution
  1 | @_implementationOnly import CNFD
    |                      `- warning: using '@_implementationOnly' without enabling library evolution for 'NFD' may lead to instability during execution
  2 |
  3 | /// Native File Dialog
[9/9] Emitting module NFD
/Users/admin/builder/spi-builder-workspace/Sources/NFD/SwiftNFD.swift:1:22: warning: using '@_implementationOnly' without enabling library evolution for 'NFD' may lead to instability during execution
  1 | @_implementationOnly import CNFD
    |                      `- warning: using '@_implementationOnly' without enabling library evolution for 'NFD' may lead to instability during execution
  2 |
  3 | /// Native File Dialog
Build complete! (3.94s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "SwiftNFD",
  "name" : "SwiftNFD",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "NFD",
      "targets" : [
        "NFD"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "NFD",
      "module_type" : "SwiftTarget",
      "name" : "NFD",
      "path" : "Sources/NFD",
      "product_memberships" : [
        "NFD"
      ],
      "sources" : [
        "SwiftNFD.swift"
      ],
      "target_dependencies" : [
        "CNFD"
      ],
      "type" : "library"
    },
    {
      "c99name" : "CNFD",
      "module_type" : "ClangTarget",
      "name" : "CNFD",
      "path" : "Sources/CNFD",
      "product_memberships" : [
        "NFD"
      ],
      "sources" : [
        "nfd_cocoa.m",
        "nfd_common.c",
        "nfd_default.c",
        "nfd_gtk.c",
        "nfd_win.cpp"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.1"
}
Done.