this derivation will be built:
  /nix/store/qycb8sjz2i3v9am459cn7myjqbf2f06l-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/qycb8sjz2i3v9am459cn7myjqbf2f06l-bcachefs-module-7.0.0-31-generic.drv'...