this derivation will be built:
  /nix/store/q6azl52yqpbwarbjzbm4wjava6hzzk66-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/q6azl52yqpbwarbjzbm4wjava6hzzk66-bcachefs-module-7.0.0-30-generic.drv'...