this derivation will be built:
  /nix/store/9mp4pnb51yvq195mmi13544dgnfksr4a-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/9mp4pnb51yvq195mmi13544dgnfksr4a-bcachefs-module-7.0.0-38-generic.drv'...