 public func _asyncMainDrainQueue() -> Never
 
 public func _runAsyncMain(_ asyncFun: @escaping () async throws -> ()) {
-  let _ = Task.runDetached {
+  Task.runDetached {
     do {
       try await asyncFun()
       exit(0)

  /// - Returns: handle to the task, allowing to `await handle.get()` on the
  ///     tasks result or `cancel` it. If the operation fails the handle will
  ///     throw the error the operation has thrown when awaited on.
  public static func runDetached<T>(
    priority: Priority = .default,
    startingOn executor: ExecutorRef? = nil,

  /// - Returns: handle to the task, allowing to `await handle.get()` on the
  ///     tasks result or `cancel` it. If the operation fails the handle will
  ///     throw the error the operation has thrown when awaited on.
  @discardableResult
  public static func runDetached<T, Failure>(
    priority: Priority = .default,
    startingOn executor: ExecutorRef? = nil,
