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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 Subviews, reference main (5449b8), with Swift 6.0 for Linux on 14 Apr 2025 22:05:33 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.0-latest swift build --triple x86_64-unknown-linux-gnu 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.60.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/dreymonde/Subviews.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/dreymonde/Subviews
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 5449b85 improve README
Cloned https://github.com/dreymonde/Subviews.git
Revision (git rev-parse @):
5449b857217d183059bb5f2f8b5ed57d717c5970
SUCCESS checkout https://github.com/dreymonde/Subviews.git at main
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.0
Building package at path:  $PWD
https://github.com/dreymonde/Subviews.git
https://github.com/dreymonde/Subviews.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Subviews",
  "name" : "Subviews",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Subviews",
      "targets" : [
        "Subviews"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SubviewsTests",
      "module_type" : "SwiftTarget",
      "name" : "SubviewsTests",
      "path" : "Tests/SubviewsTests",
      "sources" : [
        "SubviewsTests.swift"
      ],
      "target_dependencies" : [
        "Subviews"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Subviews",
      "module_type" : "SwiftTarget",
      "name" : "Subviews",
      "path" : "Sources/Subviews",
      "product_memberships" : [
        "Subviews"
      ],
      "sources" : [
        "AutoParent.swift",
        "AutoSuperview.swift",
        "Child.swift",
        "Enclosed.swift",
        "Extensions.swift",
        "Internal/Align.swift",
        "Internal/Creatable.swift",
        "Stacks.swift",
        "Subview.swift",
        "ViewLayoutOption.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.7"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.0-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-6.0-latest: Pulling from finestructure/spi-images
Digest: sha256:9029076bb687edc160a3d5201c89e92dd9fa7309f33f090c4234365c83366c31
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.0-latest
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-24593BA9C3E375BF.txt
[3/12] Compiling Subviews Creatable.swift
/host/spi-builder-workspace/Sources/Subviews/AutoParent.swift:1:8: error: no such module 'UIKit'
 1 | import UIKit
   |        `- error: no such module 'UIKit'
 2 |
 3 | open class ParentViewController: UIViewController, AddsSubviews, AddsChildrenViewControllers {
[4/12] Compiling Subviews Subview.swift
/host/spi-builder-workspace/Sources/Subviews/AutoParent.swift:1:8: error: no such module 'UIKit'
 1 | import UIKit
   |        `- error: no such module 'UIKit'
 2 |
 3 | open class ParentViewController: UIViewController, AddsSubviews, AddsChildrenViewControllers {
[5/12] Compiling Subviews Stacks.swift
/host/spi-builder-workspace/Sources/Subviews/AutoParent.swift:1:8: error: no such module 'UIKit'
 1 | import UIKit
   |        `- error: no such module 'UIKit'
 2 |
 3 | open class ParentViewController: UIViewController, AddsSubviews, AddsChildrenViewControllers {
error: emit-module command failed with exit code 1 (use -v to see invocation)
[6/13] Emitting module Subviews
/host/spi-builder-workspace/Sources/Subviews/AutoParent.swift:1:8: error: no such module 'UIKit'
 1 | import UIKit
   |        `- error: no such module 'UIKit'
 2 |
 3 | open class ParentViewController: UIViewController, AddsSubviews, AddsChildrenViewControllers {
[7/13] Compiling Subviews Extensions.swift
/host/spi-builder-workspace/Sources/Subviews/AutoParent.swift:1:8: error: no such module 'UIKit'
 1 | import UIKit
   |        `- error: no such module 'UIKit'
 2 |
 3 | open class ParentViewController: UIViewController, AddsSubviews, AddsChildrenViewControllers {
[8/13] Compiling Subviews Align.swift
/host/spi-builder-workspace/Sources/Subviews/AutoParent.swift:1:8: error: no such module 'UIKit'
 1 | import UIKit
   |        `- error: no such module 'UIKit'
 2 |
 3 | open class ParentViewController: UIViewController, AddsSubviews, AddsChildrenViewControllers {
[9/13] Compiling Subviews AutoParent.swift
/host/spi-builder-workspace/Sources/Subviews/AutoParent.swift:1:8: error: no such module 'UIKit'
 1 | import UIKit
   |        `- error: no such module 'UIKit'
 2 |
 3 | open class ParentViewController: UIViewController, AddsSubviews, AddsChildrenViewControllers {
[10/13] Compiling Subviews AutoSuperview.swift
/host/spi-builder-workspace/Sources/Subviews/AutoParent.swift:1:8: error: no such module 'UIKit'
 1 | import UIKit
   |        `- error: no such module 'UIKit'
 2 |
 3 | open class ParentViewController: UIViewController, AddsSubviews, AddsChildrenViewControllers {
[11/13] Compiling Subviews Child.swift
/host/spi-builder-workspace/Sources/Subviews/AutoParent.swift:1:8: error: no such module 'UIKit'
 1 | import UIKit
   |        `- error: no such module 'UIKit'
 2 |
 3 | open class ParentViewController: UIViewController, AddsSubviews, AddsChildrenViewControllers {
[12/13] Compiling Subviews Enclosed.swift
/host/spi-builder-workspace/Sources/Subviews/AutoParent.swift:1:8: error: no such module 'UIKit'
 1 | import UIKit
   |        `- error: no such module 'UIKit'
 2 |
 3 | open class ParentViewController: UIViewController, AddsSubviews, AddsChildrenViewControllers {
[13/13] Compiling Subviews ViewLayoutOption.swift
/host/spi-builder-workspace/Sources/Subviews/AutoParent.swift:1:8: error: no such module 'UIKit'
 1 | import UIKit
   |        `- error: no such module 'UIKit'
 2 |
 3 | open class ParentViewController: UIViewController, AddsSubviews, AddsChildrenViewControllers {
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.0-latest swift build --triple x86_64-unknown-linux-gnu 2>&1
basic-6.0-latest: Pulling from finestructure/spi-images
Digest: sha256:9029076bb687edc160a3d5201c89e92dd9fa7309f33f090c4234365c83366c31
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.0-latest
[0/1] Planning build
Building for debugging...
[0/1] Write swift-version-24593BA9C3E375BF.txt
[2/11] Compiling Subviews Creatable.swift
/host/spi-builder-workspace/Sources/Subviews/AutoParent.swift:1:8: error: no such module 'UIKit'
 1 | import UIKit
   |        `- error: no such module 'UIKit'
 2 |
 3 | open class ParentViewController: UIViewController, AddsSubviews, AddsChildrenViewControllers {
[3/11] Compiling Subviews Subview.swift
/host/spi-builder-workspace/Sources/Subviews/AutoParent.swift:1:8: error: no such module 'UIKit'
 1 | import UIKit
   |        `- error: no such module 'UIKit'
 2 |
 3 | open class ParentViewController: UIViewController, AddsSubviews, AddsChildrenViewControllers {
[4/11] Compiling Subviews Stacks.swift
/host/spi-builder-workspace/Sources/Subviews/AutoParent.swift:1:8: error: no such module 'UIKit'
 1 | import UIKit
   |        `- error: no such module 'UIKit'
 2 |
 3 | open class ParentViewController: UIViewController, AddsSubviews, AddsChildrenViewControllers {
error: emit-module command failed with exit code 1 (use -v to see invocation)
[5/12] Emitting module Subviews
/host/spi-builder-workspace/Sources/Subviews/AutoParent.swift:1:8: error: no such module 'UIKit'
 1 | import UIKit
   |        `- error: no such module 'UIKit'
 2 |
 3 | open class ParentViewController: UIViewController, AddsSubviews, AddsChildrenViewControllers {
[6/12] Compiling Subviews ViewLayoutOption.swift
/host/spi-builder-workspace/Sources/Subviews/AutoParent.swift:1:8: error: no such module 'UIKit'
 1 | import UIKit
   |        `- error: no such module 'UIKit'
 2 |
 3 | open class ParentViewController: UIViewController, AddsSubviews, AddsChildrenViewControllers {
[7/12] Compiling Subviews Align.swift
/host/spi-builder-workspace/Sources/Subviews/AutoParent.swift:1:8: error: no such module 'UIKit'
 1 | import UIKit
   |        `- error: no such module 'UIKit'
 2 |
 3 | open class ParentViewController: UIViewController, AddsSubviews, AddsChildrenViewControllers {
[8/12] Compiling Subviews Extensions.swift
/host/spi-builder-workspace/Sources/Subviews/AutoParent.swift:1:8: error: no such module 'UIKit'
 1 | import UIKit
   |        `- error: no such module 'UIKit'
 2 |
 3 | open class ParentViewController: UIViewController, AddsSubviews, AddsChildrenViewControllers {
[9/12] Compiling Subviews AutoParent.swift
/host/spi-builder-workspace/Sources/Subviews/AutoParent.swift:1:8: error: no such module 'UIKit'
 1 | import UIKit
   |        `- error: no such module 'UIKit'
 2 |
 3 | open class ParentViewController: UIViewController, AddsSubviews, AddsChildrenViewControllers {
[10/12] Compiling Subviews AutoSuperview.swift
/host/spi-builder-workspace/Sources/Subviews/AutoParent.swift:1:8: error: no such module 'UIKit'
 1 | import UIKit
   |        `- error: no such module 'UIKit'
 2 |
 3 | open class ParentViewController: UIViewController, AddsSubviews, AddsChildrenViewControllers {
[11/12] Compiling Subviews Child.swift
/host/spi-builder-workspace/Sources/Subviews/AutoParent.swift:1:8: error: no such module 'UIKit'
 1 | import UIKit
   |        `- error: no such module 'UIKit'
 2 |
 3 | open class ParentViewController: UIViewController, AddsSubviews, AddsChildrenViewControllers {
[12/12] Compiling Subviews Enclosed.swift
/host/spi-builder-workspace/Sources/Subviews/AutoParent.swift:1:8: error: no such module 'UIKit'
 1 | import UIKit
   |        `- error: no such module 'UIKit'
 2 |
 3 | open class ParentViewController: UIViewController, AddsSubviews, AddsChildrenViewControllers {
BUILD FAILURE 6.0 linux