Keep getting the same error when compiling with Cargo using Ubuntu

[19noam]

error[E0308]: mismatched types --> src/main.rs:166:19	166	generate(gen, cmd, cmd.get_name().to_string(), &mut std::io::stdout());	^^^ expected struct clap::builder::command::App, found struct clap::Command

= note: expected mutable reference `&mut clap::builder::command::App<'_>`
           found mutable reference `&mut clap::Command