|  | error: this URL is not a hyperlink | 
|  | --> $DIR/auxiliary/include-str-bare-urls.md:1:11 | 
|  | | | 
|  | LL | HEADS UP! https://example.com MUST SHOW UP IN THE STDERR FILE! | 
|  | |           ^^^^^^^^^^^^^^^^^^^ | 
|  | | | 
|  | = note: bare URLs are not automatically turned into clickable links | 
|  | note: the lint level is defined here | 
|  | --> $DIR/include-str-bare-urls.rs:14:9 | 
|  | | | 
|  | LL | #![deny(rustdoc::bare_urls)] | 
|  | |         ^^^^^^^^^^^^^^^^^^ | 
|  | help: use an automatic link instead | 
|  | | | 
|  | LL | HEADS UP! <https://example.com> MUST SHOW UP IN THE STDERR FILE! | 
|  | |           +                   + | 
|  |  | 
|  | error: aborting due to 1 previous error | 
|  |  |