These are chat archives for rust-lang/rust
rustfmt-previewcomponent distributed with rustup.
rustfmt-nightlyyou may need to find a version matching your
rustcversion... or, if you build the compiler yourself, build
rustfmttoo at that stage.
rustcand a matching
rustfmt. Should - I know there was a recent set of changes around how Rust gets build which brings nixpkgs back up to date.