error: you seem to be trying to use `&Box`. Consider using just `&T` --> borrow_box.rs:9:19 | 9 | pub fn test1(foo: &mut Box) { | ^^^^^^^^^^^^^^ 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`. Consider using just `&T` --> borrow_box.rs:18:10 | 18 | foo: &'a Box | ^^^^^^^^^^^^^ help: try `&'a bool` error: aborting due to previous error(s) error: Could not compile `clippy_tests`. To learn more, run the command again with --verbose.