needless_return triggered without a return statement #13481

#[cfg(feature = "ssr")]
#[tokio::main]
async fn main() {
    use sqlx::migrate::Migrator;
    static MIGRATOR: Migrator = sqlx::migrate!("./migrations");

    use crate::{
        app::App,
        db::ssr::{get_db, init_db},
        fileserv::file_and_error_handler,
    };

    use axum::Router;
    use leptos::*;
    use leptos_axum::{generate_route_list, LeptosRoutes};

    // Init the pool into static
    init_db().await.expect("Initialization of database failed");

    if let Err(e) = MIGRATOR.run(get_db()).await {
        eprintln!("{e:?}");
    }

    // Setting get_configuration(None) means we'll be using cargo-leptos's env values
    // For deployment these variables are:
    // https://github.com/leptos-rs/start-axum#executing-a-server-on-a-remote-machine-without-the-toolchain
    // Alternately a file can be specified such as Some("Cargo.toml")
    // The file would need to be included with the executable when moved to deployment
    let conf = get_configuration(None).await.unwrap();
    let leptos_options = conf.leptos_options;
    let addr = leptos_options.site_addr;
    let routes = generate_route_list(App);

    // build our application with a route
    let app = Router::new()
        .leptos_routes(&leptos_options, routes, App)
        .fallback(file_and_error_handler)
        .with_state(leptos_options);

    let listener = tokio::net::TcpListener::bind(&addr).await.unwrap();
    axum::serve(listener, app.into_make_service()).await.unwrap();
}