Auto merge of rust-lang#28200 - Manishearth:rollup, r=Manishearth

- Successful merges: rust-lang#28164, rust-lang#28170, rust-lang#28184, rust-lang#28186, rust-lang#28187, rust-lang#28188, rust-lang#28191, rust-lang#28193, rust-lang#28194, rust-lang#28195
- Failed merges:

1.2.0 release

1.1.0 release

1.0.0 release

1.0.0-alpha.2 release

1.0.0-alpha release

0.12.0 release

0.11.0 release

0.10 release