Rollup of 7 pull requests
Successful merges:
- #67335 (Refactor the `Qualif` trait)
- #69122 (Backtrace Debug tweaks)
- #69520 (Make error message clearer about creating new module)
- #69738 (More Method -> AssocFn renaming)
- #69867 (Add long error explanation for E0628 )
- #69989 (resolve/hygiene: `macro_rules` are not "legacy")
- #70036 (Make article_and_description primarily use def_kind)
Failed merges:
r? @ghost