error: found non-existing keyword `tadam` used in `#[doc(keyword = "...")]` --> $DIR/existing_doc_keyword.rs:10:1 | LL | #[doc(keyword = "tadam")] | ^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: only existing keywords are allowed in core/std note: the lint level is defined here --> $DIR/existing_doc_keyword.rs:8:9 | LL | #![deny(rustc::existing_doc_keyword)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: aborting due to previous error