Found the following significant warnings:
  gpboost_R.cpp:64:2: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  gpboost_R.cpp:94:2: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  gpboost_R.cpp:120:2: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  gpboost_R.cpp:144:2: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  gpboost_R.cpp:163:2: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  gpboost_R.cpp:174:2: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  gpboost_R.cpp:186:2: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  gpboost_R.cpp:201:3: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  gpboost_R.cpp:224:2: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  gpboost_R.cpp:234:3: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  gpboost_R.cpp:254:3: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  gpboost_R.cpp:257:3: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  gpboost_R.cpp:265:3: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  gpboost_R.cpp:280:2: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  gpboost_R.cpp:316:2: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  gpboost_R.cpp:331:2: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  gpboost_R.cpp:340:2: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  gpboost_R.cpp:350:2: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  gpboost_R.cpp:365:3: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  gpboost_R.cpp:378:2: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  gpboost_R.cpp:393:2: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  gpboost_R.cpp:407:2: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  gpboost_R.cpp:421:2: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  gpboost_R.cpp:432:2: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  gpboost_R.cpp:440:2: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  gpboost_R.cpp:448:2: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  gpboost_R.cpp:457:2: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  gpboost_R.cpp:467:2: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  gpboost_R.cpp:476:2: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  gpboost_R.cpp:494:2: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  gpboost_R.cpp:501:2: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  gpboost_R.cpp:510:2: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  gpboost_R.cpp:520:2: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  gpboost_R.cpp:529:2: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  gpboost_R.cpp:538:2: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  gpboost_R.cpp:551:2: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  gpboost_R.cpp:566:3: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  gpboost_R.cpp:590:2: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  gpboost_R.cpp:593:2: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  gpboost_R.cpp:604:2: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  gpboost_R.cpp:616:2: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  gpboost_R.cpp:650:2: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  gpboost_R.cpp:669:2: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  gpboost_R.cpp:701:2: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  gpboost_R.cpp:729:2: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  gpboost_R.cpp:743:2: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  gpboost_R.cpp:761:2: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  gpboost_R.cpp:767:3: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  gpboost_R.cpp:786:2: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  gpboost_R.cpp:792:3: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  gpboost_R.cpp:851:2: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  gpboost_R.cpp:886:3: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  gpboost_R.cpp:930:2: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  gpboost_R.cpp:967:2: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  gpboost_R.cpp:979:2: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  gpboost_R.cpp:993:2: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  gpboost_R.cpp:1005:2: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  gpboost_R.cpp:1015:2: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  gpboost_R.cpp:1025:2: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  gpboost_R.cpp:1035:2: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  gpboost_R.cpp:1045:2: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  gpboost_R.cpp:1068:2: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  gpboost_R.cpp:1105:2: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  gpboost_R.cpp:1133:2: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  gpboost_R.cpp:1148:2: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  gpboost_R.cpp:1163:2: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  gpboost_R.cpp:1178:2: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  gpboost_R.cpp:1193:2: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  gpboost_R.cpp:1208:2: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  gpboost_R.cpp:1218:2: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  gpboost_R.cpp:1227:2: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  gpboost_R.cpp:1238:2: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  gpboost_R.cpp:1251:2: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  gpboost_R.cpp:1260:2: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
See ‘/home/hornik/tmp/R.check/r-devel-clang/Work/PKGS/gpboost.Rcheck/00install.out’ for details.
* used C compiler: ‘Debian clang version 17.0.5 (1)’
* used C++ compiler: ‘Debian clang version 17.0.5 (1)’