this derivation will be built:
  /nix/store/q9mr8iic56ph24apmmgskbn5ypx7c8z6-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/q9mr8iic56ph24apmmgskbn5ypx7c8z6-bcachefs-module-7.0.0-29-generic.drv'...