error[E0308]: mismatched types --> $DIR/coerce-reborrow-multi-arg-fail.rs:4:18 | LL | test(&mut 7, &7); | ---- ^^ types differ in mutability | | | arguments to this function are incorrect | = note: expected mutable reference `&mut {integer}` found reference `&{integer}` note: function defined here --> $DIR/coerce-reborrow-multi-arg-fail.rs:1:4 | LL | fn test(_a: T, _b: T) {} | ^^^^ ----- ----- error: aborting due to previous error For more information about this error, try `rustc --explain E0308`.