Hi Rustfmt / Rust infrastructure team 
I noticed that the src/tools/rustfmt submodule in the rust-lang/rust repository has not been synced with the latest commits from rust-lang/rustfmt for quite a while.
Some recent PRs and issues seem to be caused by this outdated submodule, since fixes or changes have already landed in the standalone rustfmt repository but are not yet available in the main Rust tree.