this derivation will be built:
  /nix/store/cxm3208kksjym04k5lz7nbak1zkz4fl6-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/cxm3208kksjym04k5lz7nbak1zkz4fl6-bcachefs-module-7.0.0-29-generic.drv'...