regression: type annotations needed

[BoxyUwU]

• https://crater-reports.s3.amazonaws.com/beta-1.79-2/beta-2024-05-11/reg/higher-0.2.0/log.txt
• https://crater-reports.s3.amazonaws.com/beta-1.79-2/beta-2024-05-11/gh/crawford.doxie-upload/log.txt
• https://crater-reports.s3.amazonaws.com/beta-1.79-2/beta-2024-05-11/gh/kendra-pdx.higher-mt/log.txt
• https://crater-reports.s3.amazonaws.com/beta-1.79-2/beta-2024-05-11/reg/higher-free-macro-0.1.0/log.txt

[INFO] [stdout] error[E0284]: type annotations needed
[INFO] [stdout]   --> src/apply.rs:81:7
[INFO] [stdout]    |
[INFO] [stdout] 81 |     b.apply(a.fmap(|x: A| f(move |_| x.clone())))
[INFO] [stdout]    |       ^^^^^ cannot infer type for struct `ApplyFn<'a, B, _>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: cannot satisfy `<MB as Apply<'a, B>>::Target<ApplyFn<'a, B, _>> == _`

[compiler-errors]

Probably due to #119849 weakening inference

[lqd]

Seemingly to #123537.

@rustbot label -E-needs-bisection

[compiler-errors]

🤦 I think I know the bug in #123537.