this derivation will be built:
  /nix/store/bhwndqp8l75bjilp9mm54mgmg6l00qxa-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/bhwndqp8l75bjilp9mm54mgmg6l00qxa-bcachefs-module-7.0.0-31-generic.drv'...