message: Unnecessary return type according to the docs
diff: @@ -12,7 +12,7 @@ use rocket::response::Redirect;
  use rocket::serde::json::{json, Value};
  use rocket::Request;
  use rocket::Responder;
  -use rocket::{catchers, get, launch, routes, Build, Rocket};
  +use rocket::{catchers, get, launch, routes};
  use rocket_dyn_templates::Template;
  use rspotify::{
  model::TimeRange, prelude::*, scopes, AuthCodeSpotify, Config, Credentials, OAuth, Token,
  @@ -299,7 +299,7 @@ pub fn server_error(_req: &Request) -> Template {
  }
  #[launch]
  -fn rocket() -> Rocket<Build> {
  +fn rocket() -> _ {
  env_logger::init();
  rocket::build()
  .mount(
  