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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 Cpng, reference 2.0.1 (9944ba), with Swift 6.1 for Linux on 25 Apr 2025 11:46:30 UTC.

Swift 6 data race errors: 0

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu -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 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/s1ddok/Cpng.git
Reference: 2.0.1
Initialized empty Git repository in /host/spi-builder-workspace/.git/
hint: Using 'master' as the name for the initial branch. This default branch name
hint: is subject to change. To configure the initial branch name to use in all
hint: of your new repositories, which will suppress this warning, call:
hint:
hint: 	git config --global init.defaultBranch <name>
hint:
hint: Names commonly chosen instead of 'master' are 'main', 'trunk' and
hint: 'development'. The just-created branch can be renamed via this command:
hint:
hint: 	git branch -m <name>
From https://github.com/s1ddok/Cpng
 * tag               2.0.1      -> FETCH_HEAD
HEAD is now at 9944ba9 Add experimental CocoaPods specs
Cloned https://github.com/s1ddok/Cpng.git
Revision (git rev-parse @):
9944ba970f3051bfa4dfe1b8a97263a7a17e2ebf
SUCCESS checkout https://github.com/s1ddok/Cpng.git at 2.0.1
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.1
Building package at path:  $PWD
https://github.com/s1ddok/Cpng.git
https://github.com/s1ddok/Cpng.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Cpng",
  "name" : "Cpng",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Cpng",
      "targets" : [
        "Cpng"
      ],
      "type" : {
        "library" : [
          "static"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "Cpng",
      "module_type" : "ClangTarget",
      "name" : "Cpng",
      "path" : ".",
      "product_memberships" : [
        "Cpng"
      ],
      "sources" : [
        "Cpng/arm_init.c",
        "Cpng/filter_neon_intrinsics.c",
        "Cpng/png.c",
        "Cpng/pngerror.c",
        "Cpng/pngget.c",
        "Cpng/pngmem.c",
        "Cpng/pngpread.c",
        "Cpng/pngread.c",
        "Cpng/pngrio.c",
        "Cpng/pngrtran.c",
        "Cpng/pngrutil.c",
        "Cpng/pngset.c",
        "Cpng/pngtest.c",
        "Cpng/pngtrans.c",
        "Cpng/pngwio.c",
        "Cpng/pngwrite.c",
        "Cpng/pngwtran.c",
        "Cpng/pngwutil.c"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "4.0"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu -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 2>&1
basic-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:3bdcac04179f4ed3e5b8e9dbd6e74bbf5ebc0f4fde48bbaad7d1e5c757e65bcb
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.1-latest
Building for debugging...
[0/20] Compiling pngmem.c
[1/20] Compiling pngwtran.c
[2/20] Compiling pngpread.c
[2/20] Compiling pngerror.c
[4/20] Compiling pngwutil.c
[5/20] Compiling pngget.c
[6/20] Compiling pngread.c
[7/20] Compiling png.c
[8/20] Compiling pngwio.c
[9/20] Compiling pngtest.c
[10/20] Compiling pngrio.c
[11/20] Compiling pngtrans.c
[12/20] Compiling filter_neon_intrinsics.c
[13/20] Compiling pngwrite.c
[14/20] Compiling arm_init.c
[15/20] Compiling pngset.c
[16/20] Compiling pngrtran.c
[17/20] Compiling pngrutil.c
[18/20] Write Objects.LinkFileList
[19/20] Archiving libCpng.a
Build complete! (1.77s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Cpng",
  "name" : "Cpng",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Cpng",
      "targets" : [
        "Cpng"
      ],
      "type" : {
        "library" : [
          "static"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "Cpng",
      "module_type" : "ClangTarget",
      "name" : "Cpng",
      "path" : ".",
      "product_memberships" : [
        "Cpng"
      ],
      "sources" : [
        "Cpng/arm_init.c",
        "Cpng/filter_neon_intrinsics.c",
        "Cpng/png.c",
        "Cpng/pngerror.c",
        "Cpng/pngget.c",
        "Cpng/pngmem.c",
        "Cpng/pngpread.c",
        "Cpng/pngread.c",
        "Cpng/pngrio.c",
        "Cpng/pngrtran.c",
        "Cpng/pngrutil.c",
        "Cpng/pngset.c",
        "Cpng/pngtest.c",
        "Cpng/pngtrans.c",
        "Cpng/pngwio.c",
        "Cpng/pngwrite.c",
        "Cpng/pngwtran.c",
        "Cpng/pngwutil.c"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "4.0"
}
basic-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:3bdcac04179f4ed3e5b8e9dbd6e74bbf5ebc0f4fde48bbaad7d1e5c757e65bcb
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.1-latest
Done.