Found the following significant warnings:
  ../inst/include/epiworld/agent-meat.hpp:819:38: warning: format ‘%lu’ expects argument of type ‘long unsigned int’, but argument 4 has type ‘long long unsigned int’ [-Wformat=]
  ../inst/include/epiworld/agent-meat.hpp:819:52: warning: format ‘%lu’ expects argument of type ‘long unsigned int’, but argument 5 has type ‘long long unsigned int’ [-Wformat=]
  ../inst/include/epiworld/agent-meat.hpp:819:65: warning: format ‘%lu’ expects argument of type ‘long unsigned int’, but argument 6 has type ‘long long unsigned int’ [-Wformat=]
  ../inst/include/epiworld/agent-meat.hpp:826:49: warning: format ‘%lu’ expects argument of type ‘long unsigned int’, but argument 3 has type ‘long long unsigned int’ [-Wformat=]
  ../inst/include/epiworld/agent-meat.hpp:827:45: warning: format ‘%lu’ expects argument of type ‘long unsigned int’, but argument 2 has type ‘long long unsigned int’ [-Wformat=]
  ../inst/include/epiworld/agent-meat.hpp:828:45: warning: format ‘%lu’ expects argument of type ‘long unsigned int’, but argument 2 has type ‘long long unsigned int’ [-Wformat=]
  ../inst/include/epiworld/tool-meat.hpp:491:39: warning: format ‘%i’ expects argument of type ‘int’, but argument 2 has type ‘long long int’ [-Wformat=]
  ../inst/include/epiworld/tool-meat.hpp:492:39: warning: format ‘%i’ expects argument of type ‘int’, but argument 2 has type ‘long long int’ [-Wformat=]
  ../inst/include/epiworld/tool-meat.hpp:493:40: warning: format ‘%i’ expects argument of type ‘int’, but argument 2 has type ‘long long int’ [-Wformat=]
  ../inst/include/epiworld/tool-meat.hpp:494:40: warning: format ‘%i’ expects argument of type ‘int’, but argument 2 has type ‘long long int’ [-Wformat=]
  ../inst/include/epiworld/tools-bones.hpp:93:38: warning: format ‘%i’ expects argument of type ‘int’, but argument 2 has type ‘long long unsigned int’ [-Wformat=]
  ../inst/include/epiworld/virus-meat.hpp:690:39: warning: format ‘%i’ expects argument of type ‘int’, but argument 2 has type ‘long long int’ [-Wformat=]
  ../inst/include/epiworld/virus-meat.hpp:691:39: warning: format ‘%i’ expects argument of type ‘int’, but argument 2 has type ‘long long int’ [-Wformat=]
  ../inst/include/epiworld/virus-meat.hpp:692:39: warning: format ‘%i’ expects argument of type ‘int’, but argument 2 has type ‘long long int’ [-Wformat=]
  ../inst/include/epiworld/virus-meat.hpp:693:40: warning: format ‘%i’ expects argument of type ‘int’, but argument 2 has type ‘long long int’ [-Wformat=]
  ../inst/include/epiworld/virus-meat.hpp:694:40: warning: format ‘%i’ expects argument of type ‘int’, but argument 2 has type ‘long long int’ [-Wformat=]
  ../inst/include/epiworld/virus-meat.hpp:695:40: warning: format ‘%i’ expects argument of type ‘int’, but argument 2 has type ‘long long int’ [-Wformat=]
  ../inst/include/epiworld/viruses-bones.hpp:97:40: warning: format ‘%i’ expects argument of type ‘int’, but argument 2 has type ‘long long unsigned int’ [-Wformat=]
See ‘/home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/epiworldR.Rcheck/00install.out’ for details.
* used C++ compiler: ‘g++-13 (Debian 13.2.0-7) 13.2.0’