lint: add docs to item because of deny(missing_docs)
#2059
| Job | Run time |
|---|---|
| 1m 17s | |
| 35s | |
| 2m 30s | |
| 13m 59s | |
| 5s | |
| 2m 0s | |
| 2m 9s | |
| 48s | |
| 2m 7s | |
| 1m 13s | |
| 1m 24s | |
| 3m 11s | |
| 3m 27s | |
| 1m 57s | |
| 1m 52s | |
| 1m 52s | |
| 1m 58s | |
| 42m 24s |