Rust RFC bot

Team member @compiler-errors has proposed to merge this. The next step is review by the rest of the tagged team members: * [x] @Aaron1011 * [x] @cjgillot * [x] @compiler-errors...

Team member @estebank has proposed to merge this. The next step is review by the rest of the tagged team members: * [ ] @Aaron1011 * [x] @cjgillot * [x]...

Team member @dtolnay has proposed to merge this. The next step is review by the rest of the tagged team members: * [x] @Amanieu * [x] @BurntSushi * [x] @dtolnay...

@dtolnay proposal cancelled.

Team member @dtolnay has proposed to merge this. The next step is review by the rest of the tagged team members: * [x] @Amanieu * [ ] @BurntSushi * [x]...

Team member @Amanieu has proposed to merge this. The next step is review by the rest of the tagged team members: * [x] @Amanieu * [ ] @BurntSushi * [x]...

:bell: **This is now entering its final comment period**, as per the [review above](https://github.com/rust-lang/stdarch/pull/1377#issuecomment-1426817374). :bell: *psst @Amanieu, I wasn't able to add the `final-comment-period` label, please do so.*

@Amanieu proposal cancelled.

Team member @nikomatsakis has proposed to merge this. The next step is review by the rest of the tagged team members: * [x] @joshtriplett * [x] @nikomatsakis * [x] @pnkfelix...

:bell: **This is now entering its final comment period**, as per the [review above](https://github.com/rust-lang/rfcs/pull/3617#issuecomment-2075096073). :bell: