this derivation will be built:
  /nix/store/pf9b6qy0fpd1wmnv9yqvzn9698jca4g0-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/pf9b6qy0fpd1wmnv9yqvzn9698jca4g0-bcachefs-module-7.0.0-29-generic.drv'...