src/test/ui/span/E0072.stderr

   1 error[E0072]: recursive type `ListNode` has infinite size
   2   --> $DIR/E0072.rs:11:1
   3    |
   4 11 | struct ListNode { //~ ERROR has infinite size
   5    | ^^^^^^^^^^^^^^^ recursive type has infinite size
   6 12 |     head: u8,
   7 13 |     tail: Option<ListNode>,
   8    |     ---------------------- recursive without indirection
   9    |
  10    = help: insert indirection (e.g., a `Box`, `Rc`, or `&`) at some point to make `ListNode` representable
  11
  12 error: aborting due to previous error
  13