this derivation will be built:
  /nix/store/kcvqxfi5jp77bv723q8jmacajswqzgi7-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/kcvqxfi5jp77bv723q8jmacajswqzgi7-bcachefs-module-7.0.0-31-generic.drv'...