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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 ReachabilityX, reference main (e86367), with Swift 6.1 for Linux on 26 Apr 2025 15:23:57 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/dscyrescotti/ReachabilityX.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/dscyrescotti/ReachabilityX
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at e863678 Merge pull request #2 from dscyrescotti/develop
Cloned https://github.com/dscyrescotti/ReachabilityX.git
Revision (git rev-parse @):
e863678be69e157e581ae20c8e47e0eda4c68293
SUCCESS checkout https://github.com/dscyrescotti/ReachabilityX.git at main
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.1
Building package at path:  $PWD
https://github.com/dscyrescotti/ReachabilityX.git
https://github.com/dscyrescotti/ReachabilityX.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
  ],
  "manifest_display_name" : "ReachabilityX",
  "name" : "ReachabilityX",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "macos",
      "version" : "10.15"
    },
    {
      "name" : "tvos",
      "version" : "13.0"
    },
    {
      "name" : "watchos",
      "version" : "6.0"
    }
  ],
  "products" : [
    {
      "name" : "ReachabilityX",
      "targets" : [
        "ReachabilityX"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "ReachabilityXTests",
      "module_type" : "SwiftTarget",
      "name" : "ReachabilityXTests",
      "path" : "Tests/ReachabilityXTests",
      "sources" : [
        "ReachabilityXTests.swift"
      ],
      "target_dependencies" : [
        "ReachabilityX"
      ],
      "type" : "test"
    },
    {
      "c99name" : "ReachabilityX",
      "module_type" : "SwiftTarget",
      "name" : "ReachabilityX",
      "path" : "Sources/ReachabilityX",
      "product_memberships" : [
        "ReachabilityX"
      ],
      "sources" : [
        "EnvironmentKeys.swift",
        "EnvironmentValues++.swift",
        "Helper.swift",
        "Reachability.swift",
        "ReachabilityView.swift",
        "View++.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.3"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/host -w "$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
[3/9] Compiling ReachabilityX View++.swift
/host/spi-builder-workspace/Sources/ReachabilityX/EnvironmentKeys.swift:1:8: error: no such module 'SwiftUI'
 1 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 2 | import Network
 3 |
[4/9] Compiling ReachabilityX ReachabilityView.swift
/host/spi-builder-workspace/Sources/ReachabilityX/EnvironmentKeys.swift:1:8: error: no such module 'SwiftUI'
 1 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 2 | import Network
 3 |
error: emit-module command failed with exit code 1 (use -v to see invocation)
[5/9] Emitting module ReachabilityX
/host/spi-builder-workspace/Sources/ReachabilityX/EnvironmentKeys.swift:1:8: error: no such module 'SwiftUI'
 1 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 2 | import Network
 3 |
[6/9] Compiling ReachabilityX Reachability.swift
/host/spi-builder-workspace/Sources/ReachabilityX/EnvironmentKeys.swift:1:8: error: no such module 'SwiftUI'
 1 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 2 | import Network
 3 |
[7/9] Compiling ReachabilityX EnvironmentKeys.swift
/host/spi-builder-workspace/Sources/ReachabilityX/EnvironmentKeys.swift:1:8: error: no such module 'SwiftUI'
 1 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 2 | import Network
 3 |
[8/9] Compiling ReachabilityX EnvironmentValues++.swift
/host/spi-builder-workspace/Sources/ReachabilityX/EnvironmentKeys.swift:1:8: error: no such module 'SwiftUI'
 1 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 2 | import Network
 3 |
[9/9] Compiling ReachabilityX Helper.swift
/host/spi-builder-workspace/Sources/ReachabilityX/EnvironmentKeys.swift:1:8: error: no such module 'SwiftUI'
 1 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 2 | import Network
 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 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
[2/8] Compiling ReachabilityX EnvironmentValues++.swift
/host/spi-builder-workspace/Sources/ReachabilityX/EnvironmentKeys.swift:1:8: error: no such module 'SwiftUI'
 1 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 2 | import Network
 3 |
[3/8] Compiling ReachabilityX EnvironmentKeys.swift
/host/spi-builder-workspace/Sources/ReachabilityX/EnvironmentKeys.swift:1:8: error: no such module 'SwiftUI'
 1 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 2 | import Network
 3 |
error: emit-module command failed with exit code 1 (use -v to see invocation)
[4/8] Emitting module ReachabilityX
/host/spi-builder-workspace/Sources/ReachabilityX/EnvironmentKeys.swift:1:8: error: no such module 'SwiftUI'
 1 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 2 | import Network
 3 |
[5/8] Compiling ReachabilityX View++.swift
/host/spi-builder-workspace/Sources/ReachabilityX/EnvironmentKeys.swift:1:8: error: no such module 'SwiftUI'
 1 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 2 | import Network
 3 |
[6/8] Compiling ReachabilityX Helper.swift
/host/spi-builder-workspace/Sources/ReachabilityX/EnvironmentKeys.swift:1:8: error: no such module 'SwiftUI'
 1 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 2 | import Network
 3 |
[7/8] Compiling ReachabilityX ReachabilityView.swift
/host/spi-builder-workspace/Sources/ReachabilityX/EnvironmentKeys.swift:1:8: error: no such module 'SwiftUI'
 1 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 2 | import Network
 3 |
[8/8] Compiling ReachabilityX Reachability.swift
/host/spi-builder-workspace/Sources/ReachabilityX/EnvironmentKeys.swift:1:8: error: no such module 'SwiftUI'
 1 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 2 | import Network
 3 |
BUILD FAILURE 6.1 linux