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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 napkin, reference 0.0.9 (b706be), with Swift 6.1 for Linux on 29 Apr 2025 02:36:10 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.1-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/WikipediaBrown/napkin.git
Reference: 0.0.9
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/WikipediaBrown/napkin
 * tag               0.0.9      -> FETCH_HEAD
HEAD is now at b706be7 added defaults
Cloned https://github.com/WikipediaBrown/napkin.git
Revision (git rev-parse @):
b706be776d921ac5c675d52db9b50c8399301a29
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/WikipediaBrown/napkin.git at 0.0.9
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.1
Building package at path:  $PWD
https://github.com/WikipediaBrown/napkin.git
https://github.com/WikipediaBrown/napkin.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
  ],
  "manifest_display_name" : "napkin",
  "name" : "napkin",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "13.0"
    }
  ],
  "products" : [
    {
      "name" : "napkin",
      "targets" : [
        "napkin"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "napkinTests",
      "module_type" : "SwiftTarget",
      "name" : "napkinTests",
      "path" : "Tests/napkinTests",
      "sources" : [
        "XCTestManifests.swift",
        "napkinTests.swift"
      ],
      "target_dependencies" : [
        "napkin"
      ],
      "type" : "test"
    },
    {
      "c99name" : "napkin",
      "module_type" : "SwiftTarget",
      "name" : "napkin",
      "path" : "Sources/napkin",
      "product_memberships" : [
        "napkin"
      ],
      "sources" : [
        "Builder.swift",
        "ComponentizedBuilder.swift",
        "DI/Component.swift",
        "DI/Dependency.swift",
        "Interactor.swift",
        "LaunchRouter.swift",
        "LeakDetection/Executor.swift",
        "LeakDetection/LeakDetector.swift",
        "MultiStageComponentizedBuilder.swift",
        "PresentableInteractor.swift",
        "Presenter.swift",
        "Router.swift",
        "ViewControllable.swift",
        "ViewableRouter.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.3"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/host -w "$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
[3/16] Compiling napkin ViewControllable.swift
/host/spi-builder-workspace/Sources/napkin/Interactor.swift:18:8: error: no such module 'Combine'
 16 |
 17 | import Foundation
 18 | import Combine
    |        `- error: no such module 'Combine'
 19 | import UIKit
 20 |
[4/17] Compiling napkin ViewableRouter.swift
/host/spi-builder-workspace/Sources/napkin/Interactor.swift:18:8: error: no such module 'Combine'
 16 |
 17 | import Foundation
 18 | import Combine
    |        `- error: no such module 'Combine'
 19 | import UIKit
 20 |
[5/17] Compiling napkin Component.swift
/host/spi-builder-workspace/Sources/napkin/Interactor.swift:18:8: error: no such module 'Combine'
 16 |
 17 | import Foundation
 18 | import Combine
    |        `- error: no such module 'Combine'
 19 | import UIKit
 20 |
[6/17] Compiling napkin Dependency.swift
/host/spi-builder-workspace/Sources/napkin/Interactor.swift:18:8: error: no such module 'Combine'
 16 |
 17 | import Foundation
 18 | import Combine
    |        `- error: no such module 'Combine'
 19 | import UIKit
 20 |
[7/17] Compiling napkin MultiStageComponentizedBuilder.swift
/host/spi-builder-workspace/Sources/napkin/Interactor.swift:18:8: error: no such module 'Combine'
 16 |
 17 | import Foundation
 18 | import Combine
    |        `- error: no such module 'Combine'
 19 | import UIKit
 20 |
[8/17] Compiling napkin PresentableInteractor.swift
/host/spi-builder-workspace/Sources/napkin/Interactor.swift:18:8: error: no such module 'Combine'
 16 |
 17 | import Foundation
 18 | import Combine
    |        `- error: no such module 'Combine'
 19 | import UIKit
 20 |
[9/17] Compiling napkin Interactor.swift
/host/spi-builder-workspace/Sources/napkin/Interactor.swift:18:8: error: no such module 'Combine'
 16 |
 17 | import Foundation
 18 | import Combine
    |        `- error: no such module 'Combine'
 19 | import UIKit
 20 |
[10/17] Compiling napkin LaunchRouter.swift
/host/spi-builder-workspace/Sources/napkin/Interactor.swift:18:8: error: no such module 'Combine'
 16 |
 17 | import Foundation
 18 | import Combine
    |        `- error: no such module 'Combine'
 19 | import UIKit
 20 |
[11/17] Compiling napkin Executor.swift
/host/spi-builder-workspace/Sources/napkin/Interactor.swift:18:8: error: no such module 'Combine'
 16 |
 17 | import Foundation
 18 | import Combine
    |        `- error: no such module 'Combine'
 19 | import UIKit
 20 |
[12/17] Compiling napkin LeakDetector.swift
/host/spi-builder-workspace/Sources/napkin/Interactor.swift:18:8: error: no such module 'Combine'
 16 |
 17 | import Foundation
 18 | import Combine
    |        `- error: no such module 'Combine'
 19 | import UIKit
 20 |
[13/17] Compiling napkin Presenter.swift
/host/spi-builder-workspace/Sources/napkin/Interactor.swift:18:8: error: no such module 'Combine'
 16 |
 17 | import Foundation
 18 | import Combine
    |        `- error: no such module 'Combine'
 19 | import UIKit
 20 |
[14/17] Compiling napkin Router.swift
/host/spi-builder-workspace/Sources/napkin/Interactor.swift:18:8: error: no such module 'Combine'
 16 |
 17 | import Foundation
 18 | import Combine
    |        `- error: no such module 'Combine'
 19 | import UIKit
 20 |
error: emit-module command failed with exit code 1 (use -v to see invocation)
[15/17] Emitting module napkin
/host/spi-builder-workspace/Sources/napkin/Interactor.swift:18:8: error: no such module 'Combine'
 16 |
 17 | import Foundation
 18 | import Combine
    |        `- error: no such module 'Combine'
 19 | import UIKit
 20 |
[16/17] Compiling napkin Builder.swift
/host/spi-builder-workspace/Sources/napkin/Interactor.swift:18:8: error: no such module 'Combine'
 16 |
 17 | import Foundation
 18 | import Combine
    |        `- error: no such module 'Combine'
 19 | import UIKit
 20 |
[17/17] Compiling napkin ComponentizedBuilder.swift
/host/spi-builder-workspace/Sources/napkin/Interactor.swift:18:8: error: no such module 'Combine'
 16 |
 17 | import Foundation
 18 | import Combine
    |        `- error: no such module 'Combine'
 19 | import UIKit
 20 |
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/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
[2/15] Compiling napkin ViewControllable.swift
/host/spi-builder-workspace/Sources/napkin/Interactor.swift:18:8: error: no such module 'Combine'
 16 |
 17 | import Foundation
 18 | import Combine
    |        `- error: no such module 'Combine'
 19 | import UIKit
 20 |
[3/16] Compiling napkin Presenter.swift
/host/spi-builder-workspace/Sources/napkin/Interactor.swift:18:8: error: no such module 'Combine'
 16 |
 17 | import Foundation
 18 | import Combine
    |        `- error: no such module 'Combine'
 19 | import UIKit
 20 |
[4/16] Compiling napkin Router.swift
/host/spi-builder-workspace/Sources/napkin/Interactor.swift:18:8: error: no such module 'Combine'
 16 |
 17 | import Foundation
 18 | import Combine
    |        `- error: no such module 'Combine'
 19 | import UIKit
 20 |
error: emit-module command failed with exit code 1 (use -v to see invocation)
[5/16] Emitting module napkin
/host/spi-builder-workspace/Sources/napkin/Interactor.swift:18:8: error: no such module 'Combine'
 16 |
 17 | import Foundation
 18 | import Combine
    |        `- error: no such module 'Combine'
 19 | import UIKit
 20 |
[6/16] Compiling napkin Builder.swift
/host/spi-builder-workspace/Sources/napkin/Interactor.swift:18:8: error: no such module 'Combine'
 16 |
 17 | import Foundation
 18 | import Combine
    |        `- error: no such module 'Combine'
 19 | import UIKit
 20 |
[7/16] Compiling napkin ComponentizedBuilder.swift
/host/spi-builder-workspace/Sources/napkin/Interactor.swift:18:8: error: no such module 'Combine'
 16 |
 17 | import Foundation
 18 | import Combine
    |        `- error: no such module 'Combine'
 19 | import UIKit
 20 |
[8/16] Compiling napkin MultiStageComponentizedBuilder.swift
/host/spi-builder-workspace/Sources/napkin/Interactor.swift:18:8: error: no such module 'Combine'
 16 |
 17 | import Foundation
 18 | import Combine
    |        `- error: no such module 'Combine'
 19 | import UIKit
 20 |
[9/16] Compiling napkin PresentableInteractor.swift
/host/spi-builder-workspace/Sources/napkin/Interactor.swift:18:8: error: no such module 'Combine'
 16 |
 17 | import Foundation
 18 | import Combine
    |        `- error: no such module 'Combine'
 19 | import UIKit
 20 |
[10/16] Compiling napkin Component.swift
/host/spi-builder-workspace/Sources/napkin/Interactor.swift:18:8: error: no such module 'Combine'
 16 |
 17 | import Foundation
 18 | import Combine
    |        `- error: no such module 'Combine'
 19 | import UIKit
 20 |
[11/16] Compiling napkin Dependency.swift
/host/spi-builder-workspace/Sources/napkin/Interactor.swift:18:8: error: no such module 'Combine'
 16 |
 17 | import Foundation
 18 | import Combine
    |        `- error: no such module 'Combine'
 19 | import UIKit
 20 |
[12/16] Compiling napkin Interactor.swift
/host/spi-builder-workspace/Sources/napkin/Interactor.swift:18:8: error: no such module 'Combine'
 16 |
 17 | import Foundation
 18 | import Combine
    |        `- error: no such module 'Combine'
 19 | import UIKit
 20 |
[13/16] Compiling napkin LaunchRouter.swift
/host/spi-builder-workspace/Sources/napkin/Interactor.swift:18:8: error: no such module 'Combine'
 16 |
 17 | import Foundation
 18 | import Combine
    |        `- error: no such module 'Combine'
 19 | import UIKit
 20 |
[14/16] Compiling napkin Executor.swift
/host/spi-builder-workspace/Sources/napkin/Interactor.swift:18:8: error: no such module 'Combine'
 16 |
 17 | import Foundation
 18 | import Combine
    |        `- error: no such module 'Combine'
 19 | import UIKit
 20 |
[15/16] Compiling napkin LeakDetector.swift
/host/spi-builder-workspace/Sources/napkin/Interactor.swift:18:8: error: no such module 'Combine'
 16 |
 17 | import Foundation
 18 | import Combine
    |        `- error: no such module 'Combine'
 19 | import UIKit
 20 |
[16/16] Compiling napkin ViewableRouter.swift
/host/spi-builder-workspace/Sources/napkin/Interactor.swift:18:8: error: no such module 'Combine'
 16 |
 17 | import Foundation
 18 | import Combine
    |        `- error: no such module 'Combine'
 19 | import UIKit
 20 |
BUILD FAILURE 6.1 linux