error[E0072]: recursive type `Bar` has infinite size --> $DIR/issue-3008-2.rs:2:1 | LL | struct Bar { x: Bar } | ^^^^^^^^^^ ------ recursive without indirection | | | recursive type has infinite size | = help: insert indirection (e.g., a `Box`, `Rc`, or `&`) at some point to make `Bar` representable error: aborting due to previous error For more information about this error, try `rustc --explain E0072`.