this derivation will be built:
  /nix/store/1j79kjiprgify165vz1iwjn7bg18kjg6-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/1j79kjiprgify165vz1iwjn7bg18kjg6-bcachefs-module-7.0.0-30-generic.drv'...