this derivation will be built:
  /nix/store/43rq51f1y79aw0fbqmyig6643hk42gls-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/43rq51f1y79aw0fbqmyig6643hk42gls-bcachefs-module-7.0.0-38-generic.drv'...