What does this Rust snippet output?

1struct User { id: u32, active: bool }
2fn main() {
3    let u = User { id: 7, active: false };
4    let s = match u {
5        User { active: true, id } => format!("on {}", id),
6        User { active: false, .. } => "off".to_string(),
7    };
8    println!("{}", s);
9}