Correctly set doc(html_root_url) attribute

GuillaumeGomez · GuillaumeGomez · commit 9c96844fd594 · 2023-05-12T14:36:04.000+02:00
diff --git a/src/lib.rs b/src/lib.rs
@@ -86,7 +86,7 @@
 //! time, but otherwise it's important to be aware of the limitations of
 //! unwinding-based backtraces!
 
-#![doc(html_root_url = "https://docs.rs/backtrace")]
+#![cfg_attr(feature = "std", doc(html_root_url = "https://docs.rs/backtrace"))]
 #![deny(missing_docs)]
 #![no_std]
 #![cfg_attr(
