these 3 derivations will be built:
  /nix/store/dn9bgs53ihwaz43kbwlgdc66lw2q6y23-treefmt.toml.drv
  /nix/store/vkfvqi4nlh783hhdbyfkp8zxihp6vzzr-treefmt-with-config-2.6.0.drv
  /nix/store/4n48fxjzbp0pa6jqgv2kfkka8d0hxb16-treefmt-with-config-check.drv
this path will be fetched (1.1 MiB download, 2.8 MiB unpacked):
  /nix/store/mb46b64cifxnfwlafy424qcp20v7zb6w-nixfmt-rs-0.5.3