error[E0585]: found a documentation comment that doesn't document anything --> $DIR/issue-34222-1.rs:2:5 | LL | /// comment | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: doc comments must come before what they document, if a comment was intended use `//` error: aborting due to 1 previous error For more information about this error, try `rustc --explain E0585`.