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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 sendOtp, reference 1.0.0 (1df440), with Swift 6.1 for Linux on 25 Apr 2025 15:43:41 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/d-o-2021/sendOTP.git
Reference: 1.0.0
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/d-o-2021/sendOTP
 * tag               1.0.0      -> FETCH_HEAD
HEAD is now at 1df4403 Initial commit
Cloned https://github.com/d-o-2021/sendOTP.git
Revision (git rev-parse @):
1df44032a9aca970c336350869d7f21d069ef8db
SUCCESS checkout https://github.com/d-o-2021/sendOTP.git at 1.0.0
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.1
Building package at path:  $PWD
https://github.com/d-o-2021/sendOTP.git
https://github.com/d-o-2021/sendOTP.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
  ],
  "manifest_display_name" : "sendOtp",
  "name" : "sendOtp",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "sendOtp",
      "targets" : [
        "sendOtp"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "sendOtpTests",
      "module_type" : "SwiftTarget",
      "name" : "sendOtpTests",
      "path" : "Tests/sendOtpTests",
      "sources" : [
        "sendOtpTests.swift"
      ],
      "target_dependencies" : [
        "sendOtp"
      ],
      "type" : "test"
    },
    {
      "c99name" : "sendOtp",
      "module_type" : "SwiftTarget",
      "name" : "sendOtp",
      "path" : "Sources/sendOtp",
      "product_memberships" : [
        "sendOtp"
      ],
      "sources" : [
        "ApiService.swift",
        "sendOtp.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.9"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/host -w "$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
[3/5] Compiling sendOtp sendOtp.swift
/host/spi-builder-workspace/Sources/sendOtp/sendOtp.swift:6:23: warning: static property 'widgetId' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
  4 |
  5 | public class OTPManager {
  6 |     public static var widgetId:String = ""
    |                       |- warning: static property 'widgetId' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'widgetId' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: add '@MainActor' to make static property 'widgetId' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
  7 |     public static var tokenAuth:String = ""
  8 |
/host/spi-builder-workspace/Sources/sendOtp/sendOtp.swift:7:23: warning: static property 'tokenAuth' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
  5 | public class OTPManager {
  6 |     public static var widgetId:String = ""
  7 |     public static var tokenAuth:String = ""
    |                       |- warning: static property 'tokenAuth' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'tokenAuth' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: add '@MainActor' to make static property 'tokenAuth' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
  8 |
  9 |     public static func initializeWidget(widgetId: String, tokenAuth: String){
[4/5] Emitting module sendOtp
/host/spi-builder-workspace/Sources/sendOtp/sendOtp.swift:6:23: warning: static property 'widgetId' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
  4 |
  5 | public class OTPManager {
  6 |     public static var widgetId:String = ""
    |                       |- warning: static property 'widgetId' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'widgetId' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: add '@MainActor' to make static property 'widgetId' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
  7 |     public static var tokenAuth:String = ""
  8 |
/host/spi-builder-workspace/Sources/sendOtp/sendOtp.swift:7:23: warning: static property 'tokenAuth' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
  5 | public class OTPManager {
  6 |     public static var widgetId:String = ""
  7 |     public static var tokenAuth:String = ""
    |                       |- warning: static property 'tokenAuth' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'tokenAuth' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: add '@MainActor' to make static property 'tokenAuth' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
  8 |
  9 |     public static func initializeWidget(widgetId: String, tokenAuth: String){
[5/5] Compiling sendOtp ApiService.swift
/host/spi-builder-workspace/Sources/sendOtp/ApiService.swift:53:23: error: cannot find 'URLRequest' in scope
 51 |         }
 52 |
 53 |         var request = URLRequest(url: url)
    |                       `- error: cannot find 'URLRequest' in scope
 54 |         request.httpMethod = "POST"
 55 |         request.addValue("application/json", forHTTPHeaderField: "Content-Type")
/host/spi-builder-workspace/Sources/sendOtp/ApiService.swift:67:31: error: type 'URLSession' (aka 'AnyObject') has no member 'shared'
 65 |
 66 |
 67 |         let task = URLSession.shared.dataTask(with: request) { data, response, error in
    |                               `- error: type 'URLSession' (aka 'AnyObject') has no member 'shared'
 68 |             if let error = error {
 69 |                 completion(.failure(error))
/host/spi-builder-workspace/Sources/sendOtp/ApiService.swift:100:23: error: cannot find 'URLRequest' in scope
 98 |         }
 99 |
100 |         var request = URLRequest(url: url)
    |                       `- error: cannot find 'URLRequest' in scope
101 |         request.httpMethod = "GET"
102 |         request.setValue("application/json", forHTTPHeaderField: "Content-Type")
/host/spi-builder-workspace/Sources/sendOtp/ApiService.swift:104:20: error: type 'URLSession' (aka 'AnyObject') has no member 'shared'
102 |         request.setValue("application/json", forHTTPHeaderField: "Content-Type")
103 |
104 |         URLSession.shared.dataTask(with: request){ data, response, error in
    |                    `- error: type 'URLSession' (aka 'AnyObject') has no member 'shared'
105 |             if let error = error {
106 |                 completion(.failure(error))
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
[2/4] Emitting module sendOtp
[3/4] Compiling sendOtp sendOtp.swift
[4/4] Compiling sendOtp ApiService.swift
/host/spi-builder-workspace/Sources/sendOtp/ApiService.swift:53:23: error: cannot find 'URLRequest' in scope
 51 |         }
 52 |
 53 |         var request = URLRequest(url: url)
    |                       `- error: cannot find 'URLRequest' in scope
 54 |         request.httpMethod = "POST"
 55 |         request.addValue("application/json", forHTTPHeaderField: "Content-Type")
/host/spi-builder-workspace/Sources/sendOtp/ApiService.swift:67:31: error: type 'URLSession' (aka 'AnyObject') has no member 'shared'
 65 |
 66 |
 67 |         let task = URLSession.shared.dataTask(with: request) { data, response, error in
    |                               `- error: type 'URLSession' (aka 'AnyObject') has no member 'shared'
 68 |             if let error = error {
 69 |                 completion(.failure(error))
/host/spi-builder-workspace/Sources/sendOtp/ApiService.swift:100:23: error: cannot find 'URLRequest' in scope
 98 |         }
 99 |
100 |         var request = URLRequest(url: url)
    |                       `- error: cannot find 'URLRequest' in scope
101 |         request.httpMethod = "GET"
102 |         request.setValue("application/json", forHTTPHeaderField: "Content-Type")
/host/spi-builder-workspace/Sources/sendOtp/ApiService.swift:104:20: error: type 'URLSession' (aka 'AnyObject') has no member 'shared'
102 |         request.setValue("application/json", forHTTPHeaderField: "Content-Type")
103 |
104 |         URLSession.shared.dataTask(with: request){ data, response, error in
    |                    `- error: type 'URLSession' (aka 'AnyObject') has no member 'shared'
105 |             if let error = error {
106 |                 completion(.failure(error))
BUILD FAILURE 6.1 linux