this derivation will be built:
  /nix/store/njd2s7yc9z28v24crmn1y07p404238ha-nix-shell.drv
this path will be fetched (8.4 MiB download, 27.5 MiB unpacked):
  /nix/store/l6xgywpm4pc3jla2f1ghc6qy5v9z8my0-zensical-0.0.59