Auto merge of #107840 - matthiaskrgr:rollup-e6v7x0a, r=matthiaskrgr

Rollup of 5 pull requests

Successful merges:

 - #107446 (Migrate some of `rustc_parse` to derive diagnostics)
 - #107752 (Specify dlltool prefix when generating import libs)
 - #107808 (bootstrap.py: fix build-failure message)
 - #107834 (create symlink for legacy rustfmt path)
 - #107835 (use idiomatic formatting)

Failed merges:

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