this derivation will be built:
  /nix/store/f4knavjj9sck8y337hy5x3wm0idp5l9z-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/f4knavjj9sck8y337hy5x3wm0idp5l9z-bcachefs-module-7.0.0-30-generic.drv'...