Auto merge of rust-lang#24637 - steveklabnik:rollup, r=steveklabnik

- Successful merges: rust-lang#24516, rust-lang#24537, rust-lang#24571, rust-lang#24577, rust-lang#24625, rust-lang#24627, rust-lang#24628, rust-lang#24629, rust-lang#24630, rust-lang#24632
- Failed merges:

1.0.0-alpha.2 release

1.0.0-alpha release

0.12.0 release

0.11.0 release

0.10 release

0.9 release

0.8 release

0.7 release