Rollup of 7 pull requests
Successful merges:
- #135348 (rustdoc-json: Include items in stripped modules in `Crate::paths`.)
- #135365 (Update the explanation for why we use box_new in vec!)
- #135383 (De-abstract tagged ptr and make it covariant)
- #135401 (Remove some empty expected files to fix blessing)
- #135406 (Update unstable lint docs to include required feature attributes)
- #135407 (Deny various clippy lints)
- #135411 (run_make_support: add `#![warn(unreachable_pub)]`)
r? `@ghost`
`@rustbot` modify labels: rollup
e7ad3ae331