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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 UIPreview, reference master (036c76), with Swift 6.1 for Linux on 26 Apr 2025 04:37:06 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/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/0111b/UIPreview.git
Reference: master
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/0111b/UIPreview
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 036c769 Merge pull request #9 from 0111b/develop
Cloned https://github.com/0111b/UIPreview.git
Revision (git rev-parse @):
036c76904e772bdfaa57c6509f299009022391f3
SUCCESS checkout https://github.com/0111b/UIPreview.git at master
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.1
Building package at path:  $PWD
https://github.com/0111b/UIPreview.git
https://github.com/0111b/UIPreview.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
  ],
  "manifest_display_name" : "UIPreview",
  "name" : "UIPreview",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "11.0"
    }
  ],
  "products" : [
    {
      "name" : "UIPreview",
      "targets" : [
        "UIPreview"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "UIPreviewTests",
      "module_type" : "SwiftTarget",
      "name" : "UIPreviewTests",
      "path" : "Tests/UIPreviewTests",
      "sources" : [
        "UIPreviewTests.swift"
      ],
      "target_dependencies" : [
        "UIPreview"
      ],
      "type" : "test"
    },
    {
      "c99name" : "UIPreview",
      "module_type" : "SwiftTarget",
      "name" : "UIPreview",
      "path" : "Sources/UIPreview",
      "product_memberships" : [
        "UIPreview"
      ],
      "sources" : [
        "Extensions/ForEach+Raw.swift",
        "Extensions/View+Any.swift",
        "Extensions/View+UIViewController.swift",
        "Preview/ColorSchemePreview.swift",
        "Preview/ComponentPreview.swift",
        "Preview/ScreenPreview.swift",
        "UICatalog/CatalogItemView.swift",
        "UICatalog/ExpandGroup.swift",
        "UICatalog/GroupItemView.swift",
        "UICatalog/Preview.swift",
        "UICatalog/PreviewConfiguration.swift",
        "UICatalog/PreviewDescriptor.swift",
        "UICatalog/PreviewItemStyle.swift",
        "UICatalog/PreviewLegend.swift",
        "UICatalog/UICatalog.swift",
        "UICatalog/UICatalogPresentable.swift",
        "UIKitWrapper/UIViewControllerWrapper.swift",
        "UIKitWrapper/UIViewWrapper.swift",
        "UIKitWrapper/ViewCoordinator.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.3"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/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...
[0/2] Write sources
[1/2] Write swift-version-24593BA9C3E375BF.txt
error: emit-module command failed with exit code 1 (use -v to see invocation)
[3/20] Emitting module UIPreview
/host/spi-builder-workspace/Sources/UIPreview/Extensions/View+Any.swift:1:8: error: no such module 'SwiftUI'
1 | import SwiftUI
  |        `- error: no such module 'SwiftUI'
2 |
3 | @available(iOS 13, *)
[4/22] Compiling UIPreview UIViewWrapper.swift
/host/spi-builder-workspace/Sources/UIPreview/Extensions/View+Any.swift:1:8: error: no such module 'SwiftUI'
1 | import SwiftUI
  |        `- error: no such module 'SwiftUI'
2 |
3 | @available(iOS 13, *)
[5/22] Compiling UIPreview ViewCoordinator.swift
/host/spi-builder-workspace/Sources/UIPreview/Extensions/View+Any.swift:1:8: error: no such module 'SwiftUI'
1 | import SwiftUI
  |        `- error: no such module 'SwiftUI'
2 |
3 | @available(iOS 13, *)
[6/22] Compiling UIPreview ForEach+Raw.swift
/host/spi-builder-workspace/Sources/UIPreview/Extensions/View+Any.swift:1:8: error: no such module 'SwiftUI'
1 | import SwiftUI
  |        `- error: no such module 'SwiftUI'
2 |
3 | @available(iOS 13, *)
[7/22] Compiling UIPreview View+Any.swift
/host/spi-builder-workspace/Sources/UIPreview/Extensions/View+Any.swift:1:8: error: no such module 'SwiftUI'
1 | import SwiftUI
  |        `- error: no such module 'SwiftUI'
2 |
3 | @available(iOS 13, *)
[8/22] Compiling UIPreview View+UIViewController.swift
/host/spi-builder-workspace/Sources/UIPreview/Extensions/View+Any.swift:1:8: error: no such module 'SwiftUI'
1 | import SwiftUI
  |        `- error: no such module 'SwiftUI'
2 |
3 | @available(iOS 13, *)
[9/22] Compiling UIPreview PreviewDescriptor.swift
/host/spi-builder-workspace/Sources/UIPreview/Extensions/View+Any.swift:1:8: error: no such module 'SwiftUI'
1 | import SwiftUI
  |        `- error: no such module 'SwiftUI'
2 |
3 | @available(iOS 13, *)
[10/22] Compiling UIPreview PreviewItemStyle.swift
/host/spi-builder-workspace/Sources/UIPreview/Extensions/View+Any.swift:1:8: error: no such module 'SwiftUI'
1 | import SwiftUI
  |        `- error: no such module 'SwiftUI'
2 |
3 | @available(iOS 13, *)
[11/22] Compiling UIPreview PreviewLegend.swift
/host/spi-builder-workspace/Sources/UIPreview/Extensions/View+Any.swift:1:8: error: no such module 'SwiftUI'
1 | import SwiftUI
  |        `- error: no such module 'SwiftUI'
2 |
3 | @available(iOS 13, *)
[12/22] Compiling UIPreview UICatalog.swift
/host/spi-builder-workspace/Sources/UIPreview/Extensions/View+Any.swift:1:8: error: no such module 'SwiftUI'
1 | import SwiftUI
  |        `- error: no such module 'SwiftUI'
2 |
3 | @available(iOS 13, *)
[13/22] Compiling UIPreview ColorSchemePreview.swift
/host/spi-builder-workspace/Sources/UIPreview/Extensions/View+Any.swift:1:8: error: no such module 'SwiftUI'
1 | import SwiftUI
  |        `- error: no such module 'SwiftUI'
2 |
3 | @available(iOS 13, *)
[14/22] Compiling UIPreview ComponentPreview.swift
/host/spi-builder-workspace/Sources/UIPreview/Extensions/View+Any.swift:1:8: error: no such module 'SwiftUI'
1 | import SwiftUI
  |        `- error: no such module 'SwiftUI'
2 |
3 | @available(iOS 13, *)
[15/22] Compiling UIPreview ScreenPreview.swift
/host/spi-builder-workspace/Sources/UIPreview/Extensions/View+Any.swift:1:8: error: no such module 'SwiftUI'
1 | import SwiftUI
  |        `- error: no such module 'SwiftUI'
2 |
3 | @available(iOS 13, *)
[16/22] Compiling UIPreview UICatalogPresentable.swift
/host/spi-builder-workspace/Sources/UIPreview/Extensions/View+Any.swift:1:8: error: no such module 'SwiftUI'
1 | import SwiftUI
  |        `- error: no such module 'SwiftUI'
2 |
3 | @available(iOS 13, *)
[17/22] Compiling UIPreview UIViewControllerWrapper.swift
/host/spi-builder-workspace/Sources/UIPreview/Extensions/View+Any.swift:1:8: error: no such module 'SwiftUI'
1 | import SwiftUI
  |        `- error: no such module 'SwiftUI'
2 |
3 | @available(iOS 13, *)
[18/22] Compiling UIPreview Preview.swift
/host/spi-builder-workspace/Sources/UIPreview/Extensions/View+Any.swift:1:8: error: no such module 'SwiftUI'
1 | import SwiftUI
  |        `- error: no such module 'SwiftUI'
2 |
3 | @available(iOS 13, *)
[19/22] Compiling UIPreview PreviewConfiguration.swift
/host/spi-builder-workspace/Sources/UIPreview/Extensions/View+Any.swift:1:8: error: no such module 'SwiftUI'
1 | import SwiftUI
  |        `- error: no such module 'SwiftUI'
2 |
3 | @available(iOS 13, *)
[20/22] Compiling UIPreview CatalogItemView.swift
/host/spi-builder-workspace/Sources/UIPreview/Extensions/View+Any.swift:1:8: error: no such module 'SwiftUI'
1 | import SwiftUI
  |        `- error: no such module 'SwiftUI'
2 |
3 | @available(iOS 13, *)
[21/22] Compiling UIPreview ExpandGroup.swift
/host/spi-builder-workspace/Sources/UIPreview/Extensions/View+Any.swift:1:8: error: no such module 'SwiftUI'
1 | import SwiftUI
  |        `- error: no such module 'SwiftUI'
2 |
3 | @available(iOS 13, *)
[22/22] Compiling UIPreview GroupItemView.swift
/host/spi-builder-workspace/Sources/UIPreview/Extensions/View+Any.swift:1:8: error: no such module 'SwiftUI'
1 | import SwiftUI
  |        `- error: no such module 'SwiftUI'
2 |
3 | @available(iOS 13, *)
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/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
[0/1] Planning build
Building for debugging...
[0/1] Write swift-version-24593BA9C3E375BF.txt
[2/19] Compiling UIPreview ColorSchemePreview.swift
/host/spi-builder-workspace/Sources/UIPreview/Extensions/View+Any.swift:1:8: error: no such module 'SwiftUI'
1 | import SwiftUI
  |        `- error: no such module 'SwiftUI'
2 |
3 | @available(iOS 13, *)
[3/19] Compiling UIPreview ComponentPreview.swift
/host/spi-builder-workspace/Sources/UIPreview/Extensions/View+Any.swift:1:8: error: no such module 'SwiftUI'
1 | import SwiftUI
  |        `- error: no such module 'SwiftUI'
2 |
3 | @available(iOS 13, *)
[4/19] Compiling UIPreview ScreenPreview.swift
/host/spi-builder-workspace/Sources/UIPreview/Extensions/View+Any.swift:1:8: error: no such module 'SwiftUI'
1 | import SwiftUI
  |        `- error: no such module 'SwiftUI'
2 |
3 | @available(iOS 13, *)
[5/19] Compiling UIPreview UICatalogPresentable.swift
/host/spi-builder-workspace/Sources/UIPreview/Extensions/View+Any.swift:1:8: error: no such module 'SwiftUI'
1 | import SwiftUI
  |        `- error: no such module 'SwiftUI'
2 |
3 | @available(iOS 13, *)
[6/19] Compiling UIPreview UIViewControllerWrapper.swift
/host/spi-builder-workspace/Sources/UIPreview/Extensions/View+Any.swift:1:8: error: no such module 'SwiftUI'
1 | import SwiftUI
  |        `- error: no such module 'SwiftUI'
2 |
3 | @available(iOS 13, *)
error: emit-module command failed with exit code 1 (use -v to see invocation)
[7/21] Emitting module UIPreview
/host/spi-builder-workspace/Sources/UIPreview/Extensions/View+Any.swift:1:8: error: no such module 'SwiftUI'
1 | import SwiftUI
  |        `- error: no such module 'SwiftUI'
2 |
3 | @available(iOS 13, *)
[8/21] Compiling UIPreview ForEach+Raw.swift
/host/spi-builder-workspace/Sources/UIPreview/Extensions/View+Any.swift:1:8: error: no such module 'SwiftUI'
1 | import SwiftUI
  |        `- error: no such module 'SwiftUI'
2 |
3 | @available(iOS 13, *)
[9/21] Compiling UIPreview View+Any.swift
/host/spi-builder-workspace/Sources/UIPreview/Extensions/View+Any.swift:1:8: error: no such module 'SwiftUI'
1 | import SwiftUI
  |        `- error: no such module 'SwiftUI'
2 |
3 | @available(iOS 13, *)
[10/21] Compiling UIPreview View+UIViewController.swift
/host/spi-builder-workspace/Sources/UIPreview/Extensions/View+Any.swift:1:8: error: no such module 'SwiftUI'
1 | import SwiftUI
  |        `- error: no such module 'SwiftUI'
2 |
3 | @available(iOS 13, *)
[11/21] Compiling UIPreview CatalogItemView.swift
/host/spi-builder-workspace/Sources/UIPreview/Extensions/View+Any.swift:1:8: error: no such module 'SwiftUI'
1 | import SwiftUI
  |        `- error: no such module 'SwiftUI'
2 |
3 | @available(iOS 13, *)
[12/21] Compiling UIPreview ExpandGroup.swift
/host/spi-builder-workspace/Sources/UIPreview/Extensions/View+Any.swift:1:8: error: no such module 'SwiftUI'
1 | import SwiftUI
  |        `- error: no such module 'SwiftUI'
2 |
3 | @available(iOS 13, *)
[13/21] Compiling UIPreview GroupItemView.swift
/host/spi-builder-workspace/Sources/UIPreview/Extensions/View+Any.swift:1:8: error: no such module 'SwiftUI'
1 | import SwiftUI
  |        `- error: no such module 'SwiftUI'
2 |
3 | @available(iOS 13, *)
[14/21] Compiling UIPreview PreviewLegend.swift
/host/spi-builder-workspace/Sources/UIPreview/Extensions/View+Any.swift:1:8: error: no such module 'SwiftUI'
1 | import SwiftUI
  |        `- error: no such module 'SwiftUI'
2 |
3 | @available(iOS 13, *)
[15/21] Compiling UIPreview UICatalog.swift
/host/spi-builder-workspace/Sources/UIPreview/Extensions/View+Any.swift:1:8: error: no such module 'SwiftUI'
1 | import SwiftUI
  |        `- error: no such module 'SwiftUI'
2 |
3 | @available(iOS 13, *)
[16/21] Compiling UIPreview PreviewDescriptor.swift
/host/spi-builder-workspace/Sources/UIPreview/Extensions/View+Any.swift:1:8: error: no such module 'SwiftUI'
1 | import SwiftUI
  |        `- error: no such module 'SwiftUI'
2 |
3 | @available(iOS 13, *)
[17/21] Compiling UIPreview PreviewItemStyle.swift
/host/spi-builder-workspace/Sources/UIPreview/Extensions/View+Any.swift:1:8: error: no such module 'SwiftUI'
1 | import SwiftUI
  |        `- error: no such module 'SwiftUI'
2 |
3 | @available(iOS 13, *)
[18/21] Compiling UIPreview Preview.swift
/host/spi-builder-workspace/Sources/UIPreview/Extensions/View+Any.swift:1:8: error: no such module 'SwiftUI'
1 | import SwiftUI
  |        `- error: no such module 'SwiftUI'
2 |
3 | @available(iOS 13, *)
[19/21] Compiling UIPreview PreviewConfiguration.swift
/host/spi-builder-workspace/Sources/UIPreview/Extensions/View+Any.swift:1:8: error: no such module 'SwiftUI'
1 | import SwiftUI
  |        `- error: no such module 'SwiftUI'
2 |
3 | @available(iOS 13, *)
[20/21] Compiling UIPreview UIViewWrapper.swift
/host/spi-builder-workspace/Sources/UIPreview/Extensions/View+Any.swift:1:8: error: no such module 'SwiftUI'
1 | import SwiftUI
  |        `- error: no such module 'SwiftUI'
2 |
3 | @available(iOS 13, *)
[21/21] Compiling UIPreview ViewCoordinator.swift
/host/spi-builder-workspace/Sources/UIPreview/Extensions/View+Any.swift:1:8: error: no such module 'SwiftUI'
1 | import SwiftUI
  |        `- error: no such module 'SwiftUI'
2 |
3 | @available(iOS 13, *)
BUILD FAILURE 6.1 linux