this derivation will be built:
  /nix/store/x50d1kxz2x1nww4rfa50nmqxf8sylcfl-bcachefs-module-7.0.0-34-generic.drv
building '/nix/store/x50d1kxz2x1nww4rfa50nmqxf8sylcfl-bcachefs-module-7.0.0-34-generic.drv'...