this derivation will be built:
  /nix/store/b6lci6g7aznypwff0sz1n71psx6rqcb6-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/b6lci6g7aznypwff0sz1n71psx6rqcb6-bcachefs-module-7.0.0-39-generic.drv'...