Rollup of 7 pull requests
Successful merges:
- #83744 (Deprecate crate_type and crate_name nested inside #![cfg_attr])
- #90550 (Update certificates in some Ubuntu 16 images.)
- #91272 (Print a suggestion when comparing references to primitive types in `const fn`)
- #91467 (Emphasise that an OsStr[ing] is not necessarily a platform string)
- #91531 (Do not add `;` to expected tokens list when it's wrong)
- #91577 (Address some FIXMEs left over from #91475)
- #91638 (Remove `in_band_lifetimes` from `rustc_mir_transform`)
Failed merges:
r? `@ghost`
`@rustbot` modify labels: rollup
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