error: you seem to be trying to use `&Box<T>`. Consider using just `&T`
 --> borrow_box.rs:9:19
  |
9 | pub fn test1(foo: &mut Box<bool>) {
  |                   ^^^^^^^^^^^^^^ help: try: `&mut bool`
  |
note: lint level defined here
 --> borrow_box.rs:4:9
  |
4 | #![deny(borrowed_box)]
  |         ^^^^^^^^^^^^

error: you seem to be trying to use `&Box<T>`. Consider using just `&T`
  --> borrow_box.rs:14:14
   |
14 |     let foo: &Box<bool>;
   |              ^^^^^^^^^^ help: try: `&bool`

error: you seem to be trying to use `&Box<T>`. Consider using just `&T`
  --> borrow_box.rs:18:10
   |
18 |     foo: &'a Box<bool>
   |          ^^^^^^^^^^^^^ help: try: `&'a bool`

error: you seem to be trying to use `&Box<T>`. Consider using just `&T`
  --> borrow_box.rs:22:17
   |
22 |     fn test4(a: &Box<bool>);
   |                 ^^^^^^^^^^ help: try: `&bool`

error: aborting due to 4 previous errors


To learn more, run the command again with --verbose.