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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 Container, reference 1.0.2 (61a1c7), with Swift 6.1 for Linux on 27 Apr 2025 06:35:03 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/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/BottleRocketStudios/iOS-Container.git
Reference: 1.0.2
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/BottleRocketStudios/iOS-Container
 * tag               1.0.2      -> FETCH_HEAD
HEAD is now at 61a1c7e Merge pull request #12 from BottleRocketStudios/release/1.0.2
Cloned https://github.com/BottleRocketStudios/iOS-Container.git
Revision (git rev-parse @):
61a1c7e60a4f7e6e8e6fc6f1cf686b00a571f841
SUCCESS checkout https://github.com/BottleRocketStudios/iOS-Container.git at 1.0.2
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.1
Building package at path:  $PWD
https://github.com/BottleRocketStudios/iOS-Container.git
https://github.com/BottleRocketStudios/iOS-Container.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Container",
  "name" : "Container",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "10.0"
    },
    {
      "name" : "tvos",
      "version" : "10.0"
    }
  ],
  "products" : [
    {
      "name" : "Container",
      "targets" : [
        "Container"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "ContainerTests",
      "module_type" : "SwiftTarget",
      "name" : "ContainerTests",
      "path" : "Tests/ContainerTests",
      "sources" : [
        "ChildManagerTests.swift",
        "ContainerChildTests.swift",
        "InsertionBehaviorTests.swift",
        "TraversalDirectionTests.swift"
      ],
      "target_dependencies" : [
        "Container"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Container",
      "module_type" : "SwiftTarget",
      "name" : "Container",
      "path" : "Sources/Container",
      "product_memberships" : [
        "Container"
      ],
      "sources" : [
        "ContainerViewController.ChildManager.swift",
        "ContainerViewController.PostTransitionBehavior.swift",
        "ContainerViewController.swift",
        "ContainerViewControllerDelegate.swift",
        "Transitioning/ContainerPercentDrivenInteractiveTransitioner.swift",
        "Transitioning/ContainerTransitionContext.swift",
        "Transitioning/ContainerViewControllerInteractiveTransitioning.swift",
        "Transitioning/ContainerViewControllerTransitionCoordinator.swift",
        "Transitioning/DefaultContainerTransitionAnimator.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.1"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/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...
[0/2] Write sources
[1/2] Write swift-version-24593BA9C3E375BF.txt
[3/11] Compiling Container ContainerPercentDrivenInteractiveTransitioner.swift
/host/spi-builder-workspace/Sources/Container/ContainerViewController.ChildManager.swift:8:8: error: no such module 'UIKit'
  6 | //
  7 |
  8 | import UIKit
    |        `- error: no such module 'UIKit'
  9 |
 10 | public extension ContainerViewController {
[4/12] Compiling Container DefaultContainerTransitionAnimator.swift
/host/spi-builder-workspace/Sources/Container/ContainerViewController.ChildManager.swift:8:8: error: no such module 'UIKit'
  6 | //
  7 |
  8 | import UIKit
    |        `- error: no such module 'UIKit'
  9 |
 10 | public extension ContainerViewController {
[5/12] Compiling Container ContainerTransitionContext.swift
/host/spi-builder-workspace/Sources/Container/ContainerViewController.ChildManager.swift:8:8: error: no such module 'UIKit'
  6 | //
  7 |
  8 | import UIKit
    |        `- error: no such module 'UIKit'
  9 |
 10 | public extension ContainerViewController {
[6/12] Compiling Container ContainerViewControllerInteractiveTransitioning.swift
/host/spi-builder-workspace/Sources/Container/ContainerViewController.ChildManager.swift:8:8: error: no such module 'UIKit'
  6 | //
  7 |
  8 | import UIKit
    |        `- error: no such module 'UIKit'
  9 |
 10 | public extension ContainerViewController {
[7/12] Compiling Container ContainerViewControllerTransitionCoordinator.swift
/host/spi-builder-workspace/Sources/Container/ContainerViewController.ChildManager.swift:8:8: error: no such module 'UIKit'
  6 | //
  7 |
  8 | import UIKit
    |        `- error: no such module 'UIKit'
  9 |
 10 | public extension ContainerViewController {
error: emit-module command failed with exit code 1 (use -v to see invocation)
[8/12] Emitting module Container
/host/spi-builder-workspace/Sources/Container/ContainerViewController.ChildManager.swift:8:8: error: no such module 'UIKit'
  6 | //
  7 |
  8 | import UIKit
    |        `- error: no such module 'UIKit'
  9 |
 10 | public extension ContainerViewController {
[9/12] Compiling Container ContainerViewController.swift
/host/spi-builder-workspace/Sources/Container/ContainerViewController.ChildManager.swift:8:8: error: no such module 'UIKit'
  6 | //
  7 |
  8 | import UIKit
    |        `- error: no such module 'UIKit'
  9 |
 10 | public extension ContainerViewController {
[10/12] Compiling Container ContainerViewControllerDelegate.swift
/host/spi-builder-workspace/Sources/Container/ContainerViewController.ChildManager.swift:8:8: error: no such module 'UIKit'
  6 | //
  7 |
  8 | import UIKit
    |        `- error: no such module 'UIKit'
  9 |
 10 | public extension ContainerViewController {
[11/12] Compiling Container ContainerViewController.ChildManager.swift
/host/spi-builder-workspace/Sources/Container/ContainerViewController.ChildManager.swift:8:8: error: no such module 'UIKit'
  6 | //
  7 |
  8 | import UIKit
    |        `- error: no such module 'UIKit'
  9 |
 10 | public extension ContainerViewController {
[12/12] Compiling Container ContainerViewController.PostTransitionBehavior.swift
/host/spi-builder-workspace/Sources/Container/ContainerViewController.ChildManager.swift:8:8: error: no such module 'UIKit'
  6 | //
  7 |
  8 | import UIKit
    |        `- error: no such module 'UIKit'
  9 |
 10 | public extension ContainerViewController {
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/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
[0/1] Planning build
Building for debugging...
[0/1] Write swift-version-24593BA9C3E375BF.txt
[2/10] Compiling Container ContainerViewControllerTransitionCoordinator.swift
/host/spi-builder-workspace/Sources/Container/ContainerViewController.ChildManager.swift:8:8: error: no such module 'UIKit'
  6 | //
  7 |
  8 | import UIKit
    |        `- error: no such module 'UIKit'
  9 |
 10 | public extension ContainerViewController {
[3/10] Compiling Container ContainerViewControllerInteractiveTransitioning.swift
/host/spi-builder-workspace/Sources/Container/ContainerViewController.ChildManager.swift:8:8: error: no such module 'UIKit'
  6 | //
  7 |
  8 | import UIKit
    |        `- error: no such module 'UIKit'
  9 |
 10 | public extension ContainerViewController {
[4/11] Compiling Container ContainerTransitionContext.swift
/host/spi-builder-workspace/Sources/Container/ContainerViewController.ChildManager.swift:8:8: error: no such module 'UIKit'
  6 | //
  7 |
  8 | import UIKit
    |        `- error: no such module 'UIKit'
  9 |
 10 | public extension ContainerViewController {
[5/11] Compiling Container ContainerViewControllerDelegate.swift
/host/spi-builder-workspace/Sources/Container/ContainerViewController.ChildManager.swift:8:8: error: no such module 'UIKit'
  6 | //
  7 |
  8 | import UIKit
    |        `- error: no such module 'UIKit'
  9 |
 10 | public extension ContainerViewController {
[6/11] Compiling Container ContainerPercentDrivenInteractiveTransitioner.swift
/host/spi-builder-workspace/Sources/Container/ContainerViewController.ChildManager.swift:8:8: error: no such module 'UIKit'
  6 | //
  7 |
  8 | import UIKit
    |        `- error: no such module 'UIKit'
  9 |
 10 | public extension ContainerViewController {
error: emit-module command failed with exit code 1 (use -v to see invocation)
[7/11] Emitting module Container
/host/spi-builder-workspace/Sources/Container/ContainerViewController.ChildManager.swift:8:8: error: no such module 'UIKit'
  6 | //
  7 |
  8 | import UIKit
    |        `- error: no such module 'UIKit'
  9 |
 10 | public extension ContainerViewController {
[8/11] Compiling Container ContainerViewController.swift
/host/spi-builder-workspace/Sources/Container/ContainerViewController.ChildManager.swift:8:8: error: no such module 'UIKit'
  6 | //
  7 |
  8 | import UIKit
    |        `- error: no such module 'UIKit'
  9 |
 10 | public extension ContainerViewController {
[9/11] Compiling Container ContainerViewController.ChildManager.swift
/host/spi-builder-workspace/Sources/Container/ContainerViewController.ChildManager.swift:8:8: error: no such module 'UIKit'
  6 | //
  7 |
  8 | import UIKit
    |        `- error: no such module 'UIKit'
  9 |
 10 | public extension ContainerViewController {
[10/11] Compiling Container ContainerViewController.PostTransitionBehavior.swift
/host/spi-builder-workspace/Sources/Container/ContainerViewController.ChildManager.swift:8:8: error: no such module 'UIKit'
  6 | //
  7 |
  8 | import UIKit
    |        `- error: no such module 'UIKit'
  9 |
 10 | public extension ContainerViewController {
[11/11] Compiling Container DefaultContainerTransitionAnimator.swift
/host/spi-builder-workspace/Sources/Container/ContainerViewController.ChildManager.swift:8:8: error: no such module 'UIKit'
  6 | //
  7 |
  8 | import UIKit
    |        `- error: no such module 'UIKit'
  9 |
 10 | public extension ContainerViewController {
BUILD FAILURE 6.1 linux