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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 DeviceKit, reference master (513b9d), with Swift 6.1 for Linux on 1 May 2025 03:24:06 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4606859-2":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.61.2
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/devicekit/DeviceKit.git
Reference: master
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/devicekit/DeviceKit
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 513b9d7 Update CHANGELOG and README.
Cloned https://github.com/devicekit/DeviceKit.git
Revision (git rev-parse @):
513b9d7e7a1bd46504a1009bbab943b75ce2f195
SUCCESS checkout https://github.com/devicekit/DeviceKit.git at master
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.1
Building package at path:  $PWD
https://github.com/devicekit/DeviceKit.git
https://github.com/devicekit/DeviceKit.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
  ],
  "manifest_display_name" : "DeviceKit",
  "name" : "DeviceKit",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "tvos",
      "version" : "13.0"
    },
    {
      "name" : "watchos",
      "version" : "4.0"
    }
  ],
  "products" : [
    {
      "name" : "DeviceKit",
      "targets" : [
        "DeviceKit"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "swift_languages_versions" : [
    "5"
  ],
  "targets" : [
    {
      "c99name" : "DeviceKitTests",
      "module_type" : "SwiftTarget",
      "name" : "DeviceKitTests",
      "path" : "Tests",
      "sources" : [
        "Tests.swift"
      ],
      "target_dependencies" : [
        "DeviceKit"
      ],
      "type" : "test"
    },
    {
      "c99name" : "DeviceKit",
      "module_type" : "SwiftTarget",
      "name" : "DeviceKit",
      "path" : "Source",
      "product_memberships" : [
        "DeviceKit"
      ],
      "resources" : [
        {
          "path" : "/host/spi-builder-workspace/Source/PrivacyInfo.xcprivacy",
          "rule" : {
            "process" : {
            }
          }
        }
      ],
      "sources" : [
        "Device.generated.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.3"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-2":/host -w "$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
warning: 'spi-builder-workspace': found 2 file(s) which are unhandled; explicitly declare them as resources or exclude from the target
    /host/spi-builder-workspace/Source/Device.swift.gyb
    /host/spi-builder-workspace/Source/Info.plist
Building for debugging...
[0/3] Copying PrivacyInfo.xcprivacy
[0/3] Write sources
[2/3] Write swift-version-24593BA9C3E375BF.txt
[4/6] Emitting module DeviceKit
/host/spi-builder-workspace/Source/Device.generated.swift:553:21: warning: static property 'identifier' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 551 |
 552 |   /// Gets the identifier from the system, such as "iPhone7,1".
 553 |   public static var identifier: String = {
     |                     |- warning: static property 'identifier' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
     |                     |- note: convert 'identifier' to a 'let' constant to make 'Sendable' shared state immutable
     |                     |- note: add '@MainActor' to make static property 'identifier' part of global actor 'MainActor'
     |                     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 554 |     var systemInfo = utsname()
 555 |     uname(&systemInfo)
[5/6] Compiling DeviceKit resource_bundle_accessor.swift
[6/6] Compiling DeviceKit Device.generated.swift
/host/spi-builder-workspace/Source/Device.generated.swift:553:21: warning: static property 'identifier' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 551 |
 552 |   /// Gets the identifier from the system, such as "iPhone7,1".
 553 |   public static var identifier: String = {
     |                     |- warning: static property 'identifier' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
     |                     |- note: convert 'identifier' to a 'let' constant to make 'Sendable' shared state immutable
     |                     |- note: add '@MainActor' to make static property 'identifier' part of global actor 'MainActor'
     |                     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 554 |     var systemInfo = utsname()
 555 |     uname(&systemInfo)
/host/spi-builder-workspace/Source/Device.generated.swift:2338:12: error: 'ProcessInfo' initializer is inaccessible due to 'internal' protection level
2336 |   public var thermalState: ThermalState? {
2337 |     guard isCurrent else { return nil }
2338 |     switch ProcessInfo().thermalState {
     |            `- error: 'ProcessInfo' initializer is inaccessible due to 'internal' protection level
2339 |       case .nominal:
2340 |         return .nominal
FoundationEssentials.ProcessInfo.init:2:10: note: 'init()' declared here
1 | class ProcessInfo {
2 | internal init()}
  |          `- note: 'init()' declared here
3 |
/host/spi-builder-workspace/Source/Device.generated.swift:2338:26: error: value of type 'ProcessInfo' has no member 'thermalState'
2336 |   public var thermalState: ThermalState? {
2337 |     guard isCurrent else { return nil }
2338 |     switch ProcessInfo().thermalState {
     |                          `- error: value of type 'ProcessInfo' has no member 'thermalState'
2339 |       case .nominal:
2340 |         return .nominal
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-2":/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
warning: 'spi-builder-workspace': found 1 file(s) which are unhandled; explicitly declare them as resources or exclude from the target
    /host/spi-builder-workspace/Tests/Info.plist
warning: 'spi-builder-workspace': found 2 file(s) which are unhandled; explicitly declare them as resources or exclude from the target
    /host/spi-builder-workspace/Source/Device.swift.gyb
    /host/spi-builder-workspace/Source/Info.plist
[0/1] Planning build
Building for debugging...
[0/1] Write swift-version-24593BA9C3E375BF.txt
[2/4] Compiling DeviceKit resource_bundle_accessor.swift
[3/4] Emitting module DeviceKit
[4/4] Compiling DeviceKit Device.generated.swift
/host/spi-builder-workspace/Source/Device.generated.swift:2338:12: error: 'ProcessInfo' initializer is inaccessible due to 'internal' protection level
2336 |   public var thermalState: ThermalState? {
2337 |     guard isCurrent else { return nil }
2338 |     switch ProcessInfo().thermalState {
     |            `- error: 'ProcessInfo' initializer is inaccessible due to 'internal' protection level
2339 |       case .nominal:
2340 |         return .nominal
FoundationEssentials.ProcessInfo.init:2:10: note: 'init()' declared here
1 | class ProcessInfo {
2 | internal init()}
  |          `- note: 'init()' declared here
3 |
/host/spi-builder-workspace/Source/Device.generated.swift:2338:26: error: value of type 'ProcessInfo' has no member 'thermalState'
2336 |   public var thermalState: ThermalState? {
2337 |     guard isCurrent else { return nil }
2338 |     switch ProcessInfo().thermalState {
     |                          `- error: value of type 'ProcessInfo' has no member 'thermalState'
2339 |       case .nominal:
2340 |         return .nominal
BUILD FAILURE 6.1 linux