these 3 derivations will be built:
  /nix/store/589yaadajy88fl5lwfaz47v31r136bhf-treefmt.toml.drv
  /nix/store/d767bd0cnqxw42pxsf0x9b2zzmg0bq9l-treefmt.drv
  /nix/store/56fh2k6z8lxbkc2v22syiiifi0ls2d72-treefmt-check.drv
this path will be fetched (1.1 MiB download, 2.8 MiB unpacked):
  /nix/store/ykfnw5c0q0xmi1d1j0q8q8jyx8dk5pz0-nixfmt-rs-0.5.3