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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 AtRandom, reference v0.0.3 (e568bd), with Swift 6.0 for Linux on 11 Mar 2025 11:09:37 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4606859-2":/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/robb/AtRandom.git
Reference: v0.0.3
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/robb/AtRandom
 * tag               v0.0.3     -> FETCH_HEAD
HEAD is now at e568bdb Fix reads of Namespace value occuring in init
Cloned https://github.com/robb/AtRandom.git
Revision (git rev-parse @):
e568bdbad8e8a1e749690a646489c961a84dfbe5
SUCCESS checkout https://github.com/robb/AtRandom.git at v0.0.3
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.0
Building package at path:  $PWD
https://github.com/robb/AtRandom.git
https://github.com/robb/AtRandom.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
  ],
  "manifest_display_name" : "AtRandom",
  "name" : "AtRandom",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "14.0"
    },
    {
      "name" : "macos",
      "version" : "11.0"
    },
    {
      "name" : "maccatalyst",
      "version" : "14.0"
    },
    {
      "name" : "watchos",
      "version" : "7.0"
    },
    {
      "name" : "tvos",
      "version" : "14.0"
    },
    {
      "name" : "visionos",
      "version" : "1.0"
    }
  ],
  "products" : [
    {
      "name" : "AtRandom",
      "targets" : [
        "AtRandom"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "AtRandom",
      "module_type" : "SwiftTarget",
      "name" : "AtRandom",
      "path" : "Sources/AtRandom",
      "product_memberships" : [
        "AtRandom"
      ],
      "sources" : [
        "AtRandom.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.0"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-2":/host -w "$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 2>&1
basic-6.0-latest: Pulling from finestructure/spi-images
Digest: sha256:081dcf4fb829aea9d08447f4790431afbdfbcc335bfeed728ca69c6f181ae2aa
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)
[3/4] Emitting module AtRandom
/host/spi-builder-workspace/Sources/AtRandom/AtRandom.swift:1:8: error: no such module 'SwiftUI'
  1 | import SwiftUI
    |        `- error: no such module 'SwiftUI'
  2 |
  3 | /// A property wrapper type that assigns a random value that is stable across
[4/4] Compiling AtRandom AtRandom.swift
/host/spi-builder-workspace/Sources/AtRandom/AtRandom.swift:1:8: error: no such module 'SwiftUI'
  1 | import SwiftUI
    |        `- error: no such module 'SwiftUI'
  2 |
  3 | /// A property wrapper type that assigns a random value that is stable across
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-2":/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: sha256:081dcf4fb829aea9d08447f4790431afbdfbcc335bfeed728ca69c6f181ae2aa
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)
[2/3] Emitting module AtRandom
/host/spi-builder-workspace/Sources/AtRandom/AtRandom.swift:1:8: error: no such module 'SwiftUI'
  1 | import SwiftUI
    |        `- error: no such module 'SwiftUI'
  2 |
  3 | /// A property wrapper type that assigns a random value that is stable across
[3/3] Compiling AtRandom AtRandom.swift
/host/spi-builder-workspace/Sources/AtRandom/AtRandom.swift:1:8: error: no such module 'SwiftUI'
  1 | import SwiftUI
    |        `- error: no such module 'SwiftUI'
  2 |
  3 | /// A property wrapper type that assigns a random value that is stable across
BUILD FAILURE 6.0 linux