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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

Failed to build FRZSwizzling, reference main (bd52a8), with Swift 6.1 for Linux on 28 Apr 2025 10:09:06 UTC.

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 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/Frizlab/FRZSwizzling.git
Reference: main
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/Frizlab/FRZSwizzling
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at bd52a84 Use a better prefix for classes and methods
Cloned https://github.com/Frizlab/FRZSwizzling.git
Revision (git rev-parse @):
bd52a8451b7888a7d33edb1584db072a32484b40
SUCCESS checkout https://github.com/Frizlab/FRZSwizzling.git at main
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.1
Building package at path:  $PWD
https://github.com/Frizlab/FRZSwizzling.git
https://github.com/Frizlab/FRZSwizzling.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
  ],
  "manifest_display_name" : "FRZSwizzling",
  "name" : "FRZSwizzling",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "FRZSwizzling",
      "targets" : [
        "FRZSwizzling"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "FRZSwizzlingTests",
      "module_type" : "ClangTarget",
      "name" : "FRZSwizzlingTests",
      "path" : "Tests",
      "sources" : [
        "FRZSwizzlingTestsSPM.m",
        "Helpers/FSZSimpleObject+Swizzling.m",
        "Helpers/FSZSimpleObject.m"
      ],
      "target_dependencies" : [
        "FRZSwizzling"
      ],
      "type" : "test"
    },
    {
      "c99name" : "FRZSwizzling",
      "module_type" : "ClangTarget",
      "name" : "FRZSwizzling",
      "path" : "Sources",
      "product_memberships" : [
        "FRZSwizzling"
      ],
      "sources" : [
        "NSObject+FRZSwizzling.m"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.0"
}
warning: 'spi-builder-workspace': ignoring target 'FRZSwizzlingTests' in package 'spi-builder-workspace'; C language in tests is not yet supported
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/host -w "$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
warning: 'spi-builder-workspace': ignoring target 'FRZSwizzlingTests' in package 'spi-builder-workspace'; C language in tests is not yet supported
Building for debugging...
In file included from /host/spi-builder-workspace/Sources/NSObject+FRZSwizzling.m:16:
/host/spi-builder-workspace/Sources/NSObject+FRZSwizzling.h:21:9: fatal error: 'Foundation/Foundation.h' file not found
   21 | #import <Foundation/Foundation.h>
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~
1 error generated.
[0/1] Compiling FRZSwizzling NSObject+FRZSwizzling.m
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 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
warning: 'spi-builder-workspace': ignoring target 'FRZSwizzlingTests' in package 'spi-builder-workspace'; C language in tests is not yet supported
[0/1] Planning build
Building for debugging...
In file included from /host/spi-builder-workspace/Sources/NSObject+FRZSwizzling.m:16:
/host/spi-builder-workspace/Sources/NSObject+FRZSwizzling.h:21:9: fatal error: 'Foundation/Foundation.h' file not found
   21 | #import <Foundation/Foundation.h>
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~
1 error generated.
[0/1] Compiling FRZSwizzling NSObject+FRZSwizzling.m
BUILD FAILURE 6.1 linux