this derivation will be built:
  /nix/store/kxs3xkj66lsnjy25dkq6xf7bjl9186fl-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/kxs3xkj66lsnjy25dkq6xf7bjl9186fl-bcachefs-module-7.0.0-29-generic.drv'...