1 error: you seem to be trying to use `Box<Vec<T>>`. Consider using just `Vec<T>`
2 --> $DIR/box_vec.rs:17:18
4 17 | pub fn test(foo: Box<Vec<bool>>) { //~ ERROR you seem to be trying to use `Box<Vec<T>>`
7 = note: #[deny(box_vec)] implied by #[deny(clippy)]
8 note: lint level defined here
9 --> $DIR/box_vec.rs:4:9
13 = help: `Vec<T>` is already on the heap, `Box<Vec<T>>` makes an extra allocation.
15 error: aborting due to previous error