Auto merge of #161642 - JonathanBrouwer:rollup-ItuqkE6, r=JonathanBrouwer

Rollup of 6 pull requests

Successful merges:

 - rust-lang/rust#159434 (fix: suggest removing a trailing semicolon when a closure argument fails a trait bound)
 - rust-lang/rust#160428 (Add more context to dyn-compatibility diagnostic for receiver-less associated functions)
 - rust-lang/rust#161166 (add crashtests [5/N], remove unused aux files )
 - rust-lang/rust#161310 (Add regression test for extern crate alias shadowed by a module of the same name)
 - rust-lang/rust#161509 (Add regression test for private fields lint)
 - rust-lang/rust#161562 (More EC2 instance usage)