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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 NSUI, reference main (ef682e), with Swift 6.0 for Linux on 9 Apr 2025 18:16:17 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.0-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/mattmassicotte/nsui.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/mattmassicotte/nsui
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at ef682ed Add other interesting libs to the top
Cloned https://github.com/mattmassicotte/nsui.git
Revision (git rev-parse @):
ef682ed92fbb0df54f438dc2d545de6a3b483e68
SUCCESS checkout https://github.com/mattmassicotte/nsui.git at main
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.0
Building package at path:  $PWD
https://github.com/mattmassicotte/nsui.git
https://github.com/mattmassicotte/nsui.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
  ],
  "manifest_display_name" : "NSUI",
  "name" : "NSUI",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.15"
    },
    {
      "name" : "maccatalyst",
      "version" : "13.0"
    },
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "tvos",
      "version" : "13.0"
    }
  ],
  "products" : [
    {
      "name" : "NSUI",
      "targets" : [
        "NSUI"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "NSUITests",
      "module_type" : "SwiftTarget",
      "name" : "NSUITests",
      "path" : "Tests/NSUITests",
      "sources" : [
        "ColorTests.swift",
        "ControllerTests.swift",
        "ImageTests.swift",
        "TextViewTests.swift",
        "ViewControllerRepresentableTests.swift",
        "ViewRepresentableTests.swift"
      ],
      "target_dependencies" : [
        "NSUI"
      ],
      "type" : "test"
    },
    {
      "c99name" : "NSUI",
      "module_type" : "SwiftTarget",
      "name" : "NSUI",
      "path" : "Sources/NSUI",
      "product_memberships" : [
        "NSUI"
      ],
      "sources" : [
        "Aliases.swift",
        "BezierPath.swift",
        "Color.swift",
        "ControlActiveState.swift",
        "Font.swift",
        "Image.swift",
        "ImageView.swift",
        "Label.swift",
        "PlatformKit.swift",
        "TextView.swift",
        "ViewControllerRepresentable.swift",
        "ViewRepresentable.swift",
        "Views.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.8"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/host -w "$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
error: emit-module command failed with exit code 1 (use -v to see invocation)
[3/15] Emitting module NSUI
/host/spi-builder-workspace/Sources/NSUI/Aliases.swift:1:8: error: no such module 'SwiftUI'
  1 | import SwiftUI
    |        `- error: no such module 'SwiftUI'
  2 |
  3 | #if canImport(AppKit) && !targetEnvironment(macCatalyst)
[4/16] Compiling NSUI ViewRepresentable.swift
/host/spi-builder-workspace/Sources/NSUI/Aliases.swift:1:8: error: no such module 'SwiftUI'
  1 | import SwiftUI
    |        `- error: no such module 'SwiftUI'
  2 |
  3 | #if canImport(AppKit) && !targetEnvironment(macCatalyst)
[5/16] Compiling NSUI Views.swift
/host/spi-builder-workspace/Sources/NSUI/Aliases.swift:1:8: error: no such module 'SwiftUI'
  1 | import SwiftUI
    |        `- error: no such module 'SwiftUI'
  2 |
  3 | #if canImport(AppKit) && !targetEnvironment(macCatalyst)
[6/16] Compiling NSUI ViewControllerRepresentable.swift
/host/spi-builder-workspace/Sources/NSUI/Aliases.swift:1:8: error: no such module 'SwiftUI'
  1 | import SwiftUI
    |        `- error: no such module 'SwiftUI'
  2 |
  3 | #if canImport(AppKit) && !targetEnvironment(macCatalyst)
[7/16] Compiling NSUI PlatformKit.swift
/host/spi-builder-workspace/Sources/NSUI/Aliases.swift:1:8: error: no such module 'SwiftUI'
  1 | import SwiftUI
    |        `- error: no such module 'SwiftUI'
  2 |
  3 | #if canImport(AppKit) && !targetEnvironment(macCatalyst)
[8/16] Compiling NSUI TextView.swift
/host/spi-builder-workspace/Sources/NSUI/Aliases.swift:1:8: error: no such module 'SwiftUI'
  1 | import SwiftUI
    |        `- error: no such module 'SwiftUI'
  2 |
  3 | #if canImport(AppKit) && !targetEnvironment(macCatalyst)
[9/16] Compiling NSUI Aliases.swift
/host/spi-builder-workspace/Sources/NSUI/Aliases.swift:1:8: error: no such module 'SwiftUI'
  1 | import SwiftUI
    |        `- error: no such module 'SwiftUI'
  2 |
  3 | #if canImport(AppKit) && !targetEnvironment(macCatalyst)
[10/16] Compiling NSUI BezierPath.swift
/host/spi-builder-workspace/Sources/NSUI/Aliases.swift:1:8: error: no such module 'SwiftUI'
  1 | import SwiftUI
    |        `- error: no such module 'SwiftUI'
  2 |
  3 | #if canImport(AppKit) && !targetEnvironment(macCatalyst)
[11/16] Compiling NSUI ImageView.swift
/host/spi-builder-workspace/Sources/NSUI/Aliases.swift:1:8: error: no such module 'SwiftUI'
  1 | import SwiftUI
    |        `- error: no such module 'SwiftUI'
  2 |
  3 | #if canImport(AppKit) && !targetEnvironment(macCatalyst)
[12/16] Compiling NSUI Label.swift
/host/spi-builder-workspace/Sources/NSUI/Aliases.swift:1:8: error: no such module 'SwiftUI'
  1 | import SwiftUI
    |        `- error: no such module 'SwiftUI'
  2 |
  3 | #if canImport(AppKit) && !targetEnvironment(macCatalyst)
[13/16] Compiling NSUI Font.swift
/host/spi-builder-workspace/Sources/NSUI/Aliases.swift:1:8: error: no such module 'SwiftUI'
  1 | import SwiftUI
    |        `- error: no such module 'SwiftUI'
  2 |
  3 | #if canImport(AppKit) && !targetEnvironment(macCatalyst)
[14/16] Compiling NSUI Image.swift
/host/spi-builder-workspace/Sources/NSUI/Aliases.swift:1:8: error: no such module 'SwiftUI'
  1 | import SwiftUI
    |        `- error: no such module 'SwiftUI'
  2 |
  3 | #if canImport(AppKit) && !targetEnvironment(macCatalyst)
[15/16] Compiling NSUI Color.swift
/host/spi-builder-workspace/Sources/NSUI/Aliases.swift:1:8: error: no such module 'SwiftUI'
  1 | import SwiftUI
    |        `- error: no such module 'SwiftUI'
  2 |
  3 | #if canImport(AppKit) && !targetEnvironment(macCatalyst)
[16/16] Compiling NSUI ControlActiveState.swift
/host/spi-builder-workspace/Sources/NSUI/Aliases.swift:1:8: error: no such module 'SwiftUI'
  1 | import SwiftUI
    |        `- error: no such module 'SwiftUI'
  2 |
  3 | #if canImport(AppKit) && !targetEnvironment(macCatalyst)
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/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
error: emit-module command failed with exit code 1 (use -v to see invocation)
[2/14] Emitting module NSUI
/host/spi-builder-workspace/Sources/NSUI/Aliases.swift:1:8: error: no such module 'SwiftUI'
  1 | import SwiftUI
    |        `- error: no such module 'SwiftUI'
  2 |
  3 | #if canImport(AppKit) && !targetEnvironment(macCatalyst)
[3/14] Compiling NSUI ViewRepresentable.swift
/host/spi-builder-workspace/Sources/NSUI/Aliases.swift:1:8: error: no such module 'SwiftUI'
  1 | import SwiftUI
    |        `- error: no such module 'SwiftUI'
  2 |
  3 | #if canImport(AppKit) && !targetEnvironment(macCatalyst)
[4/14] Compiling NSUI Aliases.swift
/host/spi-builder-workspace/Sources/NSUI/Aliases.swift:1:8: error: no such module 'SwiftUI'
  1 | import SwiftUI
    |        `- error: no such module 'SwiftUI'
  2 |
  3 | #if canImport(AppKit) && !targetEnvironment(macCatalyst)
[5/14] Compiling NSUI BezierPath.swift
/host/spi-builder-workspace/Sources/NSUI/Aliases.swift:1:8: error: no such module 'SwiftUI'
  1 | import SwiftUI
    |        `- error: no such module 'SwiftUI'
  2 |
  3 | #if canImport(AppKit) && !targetEnvironment(macCatalyst)
[6/14] Compiling NSUI ViewControllerRepresentable.swift
/host/spi-builder-workspace/Sources/NSUI/Aliases.swift:1:8: error: no such module 'SwiftUI'
  1 | import SwiftUI
    |        `- error: no such module 'SwiftUI'
  2 |
  3 | #if canImport(AppKit) && !targetEnvironment(macCatalyst)
[7/14] Compiling NSUI ImageView.swift
/host/spi-builder-workspace/Sources/NSUI/Aliases.swift:1:8: error: no such module 'SwiftUI'
  1 | import SwiftUI
    |        `- error: no such module 'SwiftUI'
  2 |
  3 | #if canImport(AppKit) && !targetEnvironment(macCatalyst)
[8/14] Compiling NSUI Label.swift
/host/spi-builder-workspace/Sources/NSUI/Aliases.swift:1:8: error: no such module 'SwiftUI'
  1 | import SwiftUI
    |        `- error: no such module 'SwiftUI'
  2 |
  3 | #if canImport(AppKit) && !targetEnvironment(macCatalyst)
[9/15] Compiling NSUI Color.swift
/host/spi-builder-workspace/Sources/NSUI/Aliases.swift:1:8: error: no such module 'SwiftUI'
  1 | import SwiftUI
    |        `- error: no such module 'SwiftUI'
  2 |
  3 | #if canImport(AppKit) && !targetEnvironment(macCatalyst)
[10/15] Compiling NSUI ControlActiveState.swift
/host/spi-builder-workspace/Sources/NSUI/Aliases.swift:1:8: error: no such module 'SwiftUI'
  1 | import SwiftUI
    |        `- error: no such module 'SwiftUI'
  2 |
  3 | #if canImport(AppKit) && !targetEnvironment(macCatalyst)
[11/15] Compiling NSUI Font.swift
/host/spi-builder-workspace/Sources/NSUI/Aliases.swift:1:8: error: no such module 'SwiftUI'
  1 | import SwiftUI
    |        `- error: no such module 'SwiftUI'
  2 |
  3 | #if canImport(AppKit) && !targetEnvironment(macCatalyst)
[12/15] Compiling NSUI Image.swift
/host/spi-builder-workspace/Sources/NSUI/Aliases.swift:1:8: error: no such module 'SwiftUI'
  1 | import SwiftUI
    |        `- error: no such module 'SwiftUI'
  2 |
  3 | #if canImport(AppKit) && !targetEnvironment(macCatalyst)
[13/15] Compiling NSUI PlatformKit.swift
/host/spi-builder-workspace/Sources/NSUI/Aliases.swift:1:8: error: no such module 'SwiftUI'
  1 | import SwiftUI
    |        `- error: no such module 'SwiftUI'
  2 |
  3 | #if canImport(AppKit) && !targetEnvironment(macCatalyst)
[14/15] Compiling NSUI TextView.swift
/host/spi-builder-workspace/Sources/NSUI/Aliases.swift:1:8: error: no such module 'SwiftUI'
  1 | import SwiftUI
    |        `- error: no such module 'SwiftUI'
  2 |
  3 | #if canImport(AppKit) && !targetEnvironment(macCatalyst)
[15/15] Compiling NSUI Views.swift
/host/spi-builder-workspace/Sources/NSUI/Aliases.swift:1:8: error: no such module 'SwiftUI'
  1 | import SwiftUI
    |        `- error: no such module 'SwiftUI'
  2 |
  3 | #if canImport(AppKit) && !targetEnvironment(macCatalyst)
BUILD FAILURE 6.0 linux