this derivation will be built:
  /nix/store/790gb5i36mp9cz2wsrnvfad5smqlwqml-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/790gb5i36mp9cz2wsrnvfad5smqlwqml-bcachefs-module-7.0.0-31-generic.drv'...