these 2 derivations will be built:
  /nix/store/sk3gid0lxzpqxyncs7d3s18digac9sgb-treefmt.toml.drv
  /nix/store/h7gqbx84fsmahf9xq1n896pjm5i4i5dg-treefmt.drv
this path will be fetched (258.0 KiB download, 583.5 KiB unpacked):
  /nix/store/a8snvaw47y3l6ar6nr92ggs6x9vjqv8g-json2x-0.1.0