Auto merge of #154649 - JonathanBrouwer:rollup-3KmleSY, r=JonathanBrouwer

Rollup of 2 pull requests

Successful merges:

 - rust-lang/rust#154249 (Mention on which items the `missing_doc_code_examples` is not emitted)
 - rust-lang/rust#154266 (UdpSocket: document `recv/recv_from` differences)