this derivation will be built:
  /nix/store/f9ch1slixr5wrri47dsfbri05z6a8wld-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/f9ch1slixr5wrri47dsfbri05z6a8wld-bcachefs-module-7.0.0-38-generic.drv'...