Incompatible with latest stable actix-web about mobc HOT 4 CLOSED

#[actix_web::main]
async fn main() -> std::io::Result<()> {
    actix_rt::System::with_tokio_rt(|| {
        tokio::runtime::Builder::new_multi_thread()
            .enable_all()
            .build()
            .unwrap()
    })
        .block_on(async {
            let config = tokio_postgres::Config::from_str("postgres://...").unwrap();
            let manager = mobc_postgres::PgConnectionManager::new(config, tokio_postgres::NoTls);
            let pool = mobc::Pool::builder().max_open(2u64).build(manager);
            actix_web::HttpServer::new(move ||
                actix_web::App::new()
                    .data(pool.clone())
                    .service(login)
                    )
            )
                .bind("127.0.0.1:8080")?
                .run()
                .await
        })
}