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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 1.3.0 (8792b2), with Swift 6.1 for Linux on 29 Apr 2025 00:45:20 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4609320-3":/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/mattmassicotte/nsui.git
Reference: 1.3.0
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
 * tag               1.3.0      -> FETCH_HEAD
HEAD is now at 8792b2f More text-related APIs
Cloned https://github.com/mattmassicotte/nsui.git
Revision (git rev-parse @):
8792b2f789bf03be1be9ecb4df43d2bfe0e5d361
SUCCESS checkout https://github.com/mattmassicotte/nsui.git at 1.3.0
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.1
Building package at path:  $PWD
https://github.com/mattmassicotte/nsui.git
https://github.com/mattmassicotte/nsui.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
  ],
  "manifest_display_name" : "NSUI",
  "name" : "NSUI",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.15"
    },
    {
      "name" : "maccatalyst",
      "version" : "13.0"
    },
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "tvos",
      "version" : "13.0"
    }
  ],
  "products" : [
    {
      "name" : "NSUI",
      "targets" : [
        "NSUI"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "NSUITests",
      "module_type" : "SwiftTarget",
      "name" : "NSUITests",
      "path" : "Tests/NSUITests",
      "sources" : [
        "ColorTests.swift",
        "ControllerTests.swift",
        "ImageTests.swift",
        "TextViewTests.swift",
        "ViewControllerRepresentableTests.swift",
        "ViewRepresentableTests.swift"
      ],
      "target_dependencies" : [
        "NSUI"
      ],
      "type" : "test"
    },
    {
      "c99name" : "NSUI",
      "module_type" : "SwiftTarget",
      "name" : "NSUI",
      "path" : "Sources/NSUI",
      "product_memberships" : [
        "NSUI"
      ],
      "sources" : [
        "Aliases.swift",
        "BezierPath.swift",
        "Color.swift",
        "ControlActiveState.swift",
        "Font.swift",
        "Image.swift",
        "ImageView.swift",
        "Label.swift",
        "PlatformKit.swift",
        "TextView.swift",
        "ViewControllerRepresentable.swift",
        "ViewRepresentable.swift",
        "Views.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.8"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-3":/host -w "$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)
[3/15] 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 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)
[7/16] 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)
[8/16] 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)
[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 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)
[12/16] 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)
[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 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)
[16/16] 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)
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-3":/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
[2/14] 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)
[3/15] 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)
[4/15] 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)
[5/15] 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)
[6/15] 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)
[7/15] 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)
[8/15] 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)
[9/15] 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)
[10/15] 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)
[11/15] 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)
error: emit-module command failed with exit code 1 (use -v to see invocation)
[12/15] 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)
[13/15] 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)
[14/15] 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)
[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 6.1 linux