5018181c79
Rollup of 6 pull requests Successful merges: - #97488 (Suggest blanket impl to the local traits) - #98585 (Make `ThinBox<T>` covariant in `T`) - #98644 (fix ICE with -Wrust-2021-incompatible-closure-captures) - #98739 (fix grammar in useless doc comment lint) - #98741 (Many small deriving cleanups) - #98756 (Use const instead of function and make it private) Failed merges: r? `@ghost` `@rustbot` modify labels: rollup