error: custom attribute panicked
 --> $DIR/missing-subscribe.rs:6:1
  |
6 | #[rpc]
  | ^^^^^^
  |
  = help: message: [rpc] encountered error: subscription 'hello'. Can't find subscribe method, expected a method annotated with `subscribe` e.g. `#[pubsub(subscription = "hello", subscribe, name = "hello_subscribe")]`

error: aborting due to previous error