error[E0599]: no method named `call` found for closure `{closure@$DIR/unboxed-closures-static-call-wrong-trait.rs:6:26: 6:29}` in the current scope --> $DIR/unboxed-closures-static-call-wrong-trait.rs:7:10 | LL | mut_.call((0, )); | ^^^^ method not found in `{closure@unboxed-closures-static-call-wrong-trait.rs:6:26}` error: aborting due to 1 previous error For more information about this error, try `rustc --explain E0599`.