
Running #rustfmt on a repository with open PRs is inconsiderate and annoying.
The code bulldozer will cause merge conflicts over the most unimportant arbitrary pedantism. Ironically, the "automation" of formatting requires many people to update their PRs manually.
Look at the massive fallout caused by a new option:
https://github.com/rust-lang/rust/pull/125443#issuecomment-2254961310and it has destroyed the improved formatting I've added to a high-churn file to reduce merge conflicts.