this derivation will be built:
  /nix/store/ckfz2scilypv27zm1mqdijppxn3pn7rl-bcachefs-module-7.0.0-27-generic.drv
building '/nix/store/ckfz2scilypv27zm1mqdijppxn3pn7rl-bcachefs-module-7.0.0-27-generic.drv'...