error[E0308]: mismatched types
  --> $DIR/coerce-reborrow-multi-arg-fail.rs:4:18
   |
LL |     test(&mut 7, &7);
   |                  ^^ types differ in mutability
   |
   = note: expected mutable reference `&mut {integer}`
                      found reference `&{integer}`

error: aborting due to previous error

For more information about this error, try `rustc --explain E0308`.