error: visibility `pub(crate)` not followed by an item --> $DIR/pub-restricted-error-fn.rs:1:1 | LL | pub(crate) () fn foo() {} | ^^^^^^^^^^ the visibility | = help: you likely meant to define an item, e.g., `pub(crate) fn foo() {}` error: expected item, found `(` --> $DIR/pub-restricted-error-fn.rs:1:12 | LL | pub(crate) () fn foo() {} | ^ expected item error: aborting due to 2 previous errors