error[E0599]: no method named `set_unused_1` found for struct `Sparse` in the current scope --> $DIR/use-skipped-setter-3.rs:13:12 | 4 | / #[derive(Debug)] 5 | | pub struct Sparse { | |___- method `set_unused_1` not found for this ... 13 | sparse.set_unused_1(0); // ERROR! | ^^^^^^^^^^^^ method not found in `Sparse`