this derivation will be built:
  /nix/store/4r527kidjxyqczbqiicya08nklmfrkic-treefmt.drv
this path will be fetched (0.0 KiB download, 1.4 KiB unpacked):
  /nix/store/fwh1c7gadad8x390pvkwzmcq3pqil3ia-treefmt.toml