#0  ___fprintf_chk (fp=0x0, flag=1, format=0x7f513223fe46 "End-Date: %s\n")
#1  0x00007f513222677d in pkgDPkgPM::CloseLog (this=<value optimized out>)
#2  0x00007f513222c7f8 in pkgDPkgPM::Go (this=0xbeed50, 
#3  0x00007f51321df625 in pkgPackageManager::DoInstallPostFork (
#4  0x000000000054112a in download_install_manager::execute_install_run (
#5  0x0000000000541617 in download_install_manager::finish (this=0x0, 
#6  0x0000000000505c57 in cmdline_do_download (m=0x7fffa4d50e20, 
#7  0x00000000004db896 in cmdline_do_action (argc=<value optimized out>, 
#8  0x000000000041bd29 in main (argc=3, argv=0x7fffa4d51928) at main.cc:641
  636: 				       showsize, showwhy,
  637: 				       visual_preview, always_prompt,
  638: 				       always_use_safe_resolver,
  639: 				       safe_resolver_no_new_installs, safe_resolver_no_new_upgrades,
  640: 				       user_tags,
  641: 				       arch_only, queue_only, verbose);
  642: 	    }
  643: 	  else if(!strcasecmp(argv[optind], "safe-upgrade") ||
  644: 		  !strcasecmp(argv[optind], "upgrade"))
  645: 	    {
  646: 	      if(full_resolver_option || safe_resolver_option)