this derivation will be built:
  /nix/store/12z3jimhqwq94hvhksax7hm3309sdwr7-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/12z3jimhqwq94hvhksax7hm3309sdwr7-bcachefs-module-7.0.0-38-generic.drv'...