this derivation will be built:
  /nix/store/jjj6kdnn4jfgq3nibn9b7y7sq8l3dqyl-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/jjj6kdnn4jfgq3nibn9b7y7sq8l3dqyl-bcachefs-module-7.0.0-30-generic.drv'...