this derivation will be built:
  /nix/store/6y91y2a4nik6m32qf9fw9gkkgbz59xda-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/6y91y2a4nik6m32qf9fw9gkkgbz59xda-bcachefs-module-7.0.0-31-generic.drv'...