bors ad638a3e42 Auto merge of #4222 - jfrikker:try_err, r=flip1995
Adding try_err lint

changelog: Adds the "try_err" lint, which catches instances of the following: Err(x)?
fixes #4212
2019-07-01 07:41:33 +00:00
..
2019-06-21 16:47:34 +02:00
2019-06-21 16:47:34 +02:00