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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 ErrorReporter, reference 1.3.0 (0571a3), with Swift 6.1 for Linux on 28 Apr 2025 19:04:00 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/CleanCocoa/ErrorHandling.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/CleanCocoa/ErrorHandling
 * tag               1.3.0      -> FETCH_HEAD
HEAD is now at 0571a31 bump Swift version
Cloned https://github.com/CleanCocoa/ErrorHandling.git
Revision (git rev-parse @):
0571a3147f8f0e2c8f65d829f15d6cd9e60b7b49
SUCCESS checkout https://github.com/CleanCocoa/ErrorHandling.git at 1.3.0
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.1
Building package at path:  $PWD
https://github.com/CleanCocoa/ErrorHandling.git
https://github.com/CleanCocoa/ErrorHandling.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
  ],
  "manifest_display_name" : "ErrorReporter",
  "name" : "ErrorReporter",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.13"
    }
  ],
  "products" : [
    {
      "name" : "ErrorReporter",
      "targets" : [
        "ErrorReporter"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "ErrorReporter",
      "module_type" : "SwiftTarget",
      "name" : "ErrorReporter",
      "path" : "Sources/ErrorReporter",
      "product_memberships" : [
        "ErrorReporter"
      ],
      "resources" : [
        {
          "path" : "/host/spi-builder-workspace/Sources/ErrorReporter/Resources/PrivacyInfo.xcprivacy",
          "rule" : {
            "process" : {
            }
          }
        }
      ],
      "sources" : [
        "ErrorAlert.swift",
        "Optional.swift",
        "Report.swift",
        "TextEmailer.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.6"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/host -w "$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...
[0/3] Write sources
[1/3] Copying PrivacyInfo.xcprivacy
[2/3] Write swift-version-24593BA9C3E375BF.txt
[4/9] Compiling ErrorReporter resource_bundle_accessor.swift
/host/spi-builder-workspace/Sources/ErrorReporter/ErrorAlert.swift:6:8: error: no such module 'AppKit'
  4 |
  5 | import Foundation
  6 | import AppKit
    |        `- error: no such module 'AppKit'
  7 |
  8 | let IsRunningTests = ProcessInfo.processInfo.environment["XCTestConfigurationFilePath"] != nil
error: emit-module command failed with exit code 1 (use -v to see invocation)
[5/9] Emitting module ErrorReporter
/host/spi-builder-workspace/Sources/ErrorReporter/ErrorAlert.swift:6:8: error: no such module 'AppKit'
  4 |
  5 | import Foundation
  6 | import AppKit
    |        `- error: no such module 'AppKit'
  7 |
  8 | let IsRunningTests = ProcessInfo.processInfo.environment["XCTestConfigurationFilePath"] != nil
[6/9] Compiling ErrorReporter TextEmailer.swift
/host/spi-builder-workspace/Sources/ErrorReporter/ErrorAlert.swift:6:8: error: no such module 'AppKit'
  4 |
  5 | import Foundation
  6 | import AppKit
    |        `- error: no such module 'AppKit'
  7 |
  8 | let IsRunningTests = ProcessInfo.processInfo.environment["XCTestConfigurationFilePath"] != nil
[7/9] Compiling ErrorReporter Optional.swift
/host/spi-builder-workspace/Sources/ErrorReporter/ErrorAlert.swift:6:8: error: no such module 'AppKit'
  4 |
  5 | import Foundation
  6 | import AppKit
    |        `- error: no such module 'AppKit'
  7 |
  8 | let IsRunningTests = ProcessInfo.processInfo.environment["XCTestConfigurationFilePath"] != nil
[8/9] Compiling ErrorReporter Report.swift
/host/spi-builder-workspace/Sources/ErrorReporter/ErrorAlert.swift:6:8: error: no such module 'AppKit'
  4 |
  5 | import Foundation
  6 | import AppKit
    |        `- error: no such module 'AppKit'
  7 |
  8 | let IsRunningTests = ProcessInfo.processInfo.environment["XCTestConfigurationFilePath"] != nil
[9/9] Compiling ErrorReporter ErrorAlert.swift
/host/spi-builder-workspace/Sources/ErrorReporter/ErrorAlert.swift:6:8: error: no such module 'AppKit'
  4 |
  5 | import Foundation
  6 | import AppKit
    |        `- error: no such module 'AppKit'
  7 |
  8 | let IsRunningTests = ProcessInfo.processInfo.environment["XCTestConfigurationFilePath"] != nil
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
[2/7] Compiling ErrorReporter Report.swift
/host/spi-builder-workspace/Sources/ErrorReporter/ErrorAlert.swift:6:8: error: no such module 'AppKit'
  4 |
  5 | import Foundation
  6 | import AppKit
    |        `- error: no such module 'AppKit'
  7 |
  8 | let IsRunningTests = ProcessInfo.processInfo.environment["XCTestConfigurationFilePath"] != nil
[3/7] Compiling ErrorReporter Optional.swift
/host/spi-builder-workspace/Sources/ErrorReporter/ErrorAlert.swift:6:8: error: no such module 'AppKit'
  4 |
  5 | import Foundation
  6 | import AppKit
    |        `- error: no such module 'AppKit'
  7 |
  8 | let IsRunningTests = ProcessInfo.processInfo.environment["XCTestConfigurationFilePath"] != nil
[4/7] Compiling ErrorReporter resource_bundle_accessor.swift
/host/spi-builder-workspace/Sources/ErrorReporter/ErrorAlert.swift:6:8: error: no such module 'AppKit'
  4 |
  5 | import Foundation
  6 | import AppKit
    |        `- error: no such module 'AppKit'
  7 |
  8 | let IsRunningTests = ProcessInfo.processInfo.environment["XCTestConfigurationFilePath"] != nil
error: emit-module command failed with exit code 1 (use -v to see invocation)
[5/7] Emitting module ErrorReporter
/host/spi-builder-workspace/Sources/ErrorReporter/ErrorAlert.swift:6:8: error: no such module 'AppKit'
  4 |
  5 | import Foundation
  6 | import AppKit
    |        `- error: no such module 'AppKit'
  7 |
  8 | let IsRunningTests = ProcessInfo.processInfo.environment["XCTestConfigurationFilePath"] != nil
[6/7] Compiling ErrorReporter ErrorAlert.swift
/host/spi-builder-workspace/Sources/ErrorReporter/ErrorAlert.swift:6:8: error: no such module 'AppKit'
  4 |
  5 | import Foundation
  6 | import AppKit
    |        `- error: no such module 'AppKit'
  7 |
  8 | let IsRunningTests = ProcessInfo.processInfo.environment["XCTestConfigurationFilePath"] != nil
[7/7] Compiling ErrorReporter TextEmailer.swift
/host/spi-builder-workspace/Sources/ErrorReporter/ErrorAlert.swift:6:8: error: no such module 'AppKit'
  4 |
  5 | import Foundation
  6 | import AppKit
    |        `- error: no such module 'AppKit'
  7 |
  8 | let IsRunningTests = ProcessInfo.processInfo.environment["XCTestConfigurationFilePath"] != nil
BUILD FAILURE 6.1 linux