Auto merge of rust-lang#32800 - Manishearth:rollup, r=Manishearth

Rollup of 7 pull requests

- Successful merges: rust-lang#32687, rust-lang#32729, rust-lang#32731, rust-lang#32732, rust-lang#32734, rust-lang#32737, rust-lang#32741
- Failed merges:

1.7.0 release

1.6.0 release

1.5.0 release

1.4.0 release

1.3.0 release

1.2.0 release

1.1.0 release

1.0.0 release