warning: `[with#anchor#error]` has an issue with the link anchor.
  --> $DIR/reference-link-has-one-warning.rs:3:18
   |
LL | /// docs [label][with#anchor#error]
   |                  ^^^^^^^^^^^^^^^^^ only one `#` is allowed in a link
   |
   = note: `#[warn(broken_intra_doc_links)]` on by default

warning: 1 warning emitted