these 3 derivations will be built:
  /nix/store/v587y3jz8nmk42qdd3ilfgkzn3p768fv-treefmt.toml.drv
  /nix/store/gy5c457c53xfz49mn62rlxxiz0gj6qmj-treefmt.drv
  /nix/store/hlmbxxldzqk0yawxxf2qxcckh0ynvq3z-treefmt-check.drv
this path will be fetched (1004.7 KiB download, 3.0 MiB unpacked):
  /nix/store/5d6y1d84lpvyslcfmrk5xvl1s4wq54s9-nixpkgs-fmt-1.3.0