Auto merge of #120226 - matthiaskrgr:rollup-9xwx0si, r=matthiaskrgr

Rollup of 9 pull requests

Successful merges:

 - #118714 ( Explanation that fields are being used when deriving `(Partial)Ord` on enums)
 - #119710 (Improve `let_underscore_lock`)
 - #119726 (Tweak Library Integer Division Docs)
 - #119746 (rustdoc: hide modals when resizing the sidebar)
 - #119986 (Fix error counting)
 - #120194 (Shorten `#[must_use]` Diagnostic Message for `Option::is_none`)
 - #120200 (Correct the anchor of an URL in an error message)
 - #120203 (Replace `#!/bin/bash` with `#!/usr/bin/env bash` in rust-installer tests)
 - #120212 (Give nnethercote more reviews)

r? `@ghost`
`@rustbot` modify labels: rollup

Author: bors

tests/ui/let_underscore_lock.rs

@@ -26,6 +26,7 @@ fn main() {
     let _ = p_rw;
 }
 
+#[allow(let_underscore_lock)]
 fn uplifted() {
     // shouldn't lint std locks as they were uplifted as rustc's `let_underscore_lock`