1 error[E0599]: no method named `call` found for closure `[closure@$DIR/unboxed-closures-static-call-wrong-trait.rs:6:26: 6:31]` in the current scope
2 --> $DIR/unboxed-closures-static-call-wrong-trait.rs:7:10
5 | ^^^^ method not found in `[closure@$DIR/unboxed-closures-static-call-wrong-trait.rs:6:26: 6:31]`
7 = note: `mut_` is a function, perhaps you wish to call it
9 error: aborting due to previous error
11 For more information about this error, try `rustc --explain E0599`.