Found the following significant warnings:
  rapriori.c:396:70: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  rapriori.c:405:55: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  rapriori.c:420:35: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  rapriori.c:448:38: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  rapriori.c:458:36: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  rapriori.c:462:38: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  rapriori.c:501:41: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  rapriori.c:515:42: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  rapriori.c:619:32: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  rapriori.c:630:32: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  rapriori.c:635:32: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  rapriori.c:641:34: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  rapriori.c:672:32: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  rapriori.c:683:32: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  rapriori.c:688:32: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  rapriori.c:693:32: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  rapriori.c:698:32: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  rapriori.c:703:32: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  rapriori.c:709:34: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  rapriori.c:716:34: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  rapriori.c:755:32: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  rapriori.c:766:32: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  rapriori.c:771:32: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  rapriori.c:776:32: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  rapriori.c:1034:32: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  rapriori.c:1037:23: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  rapriori.c:1039:23: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  rapriori.c:1048:46: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  rapriori.c:1049:46: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  rapriori.c:1058:32: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  rapriori.c:1084:23: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  rapriori.c:1102:41: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  rapriori.c:1105:41: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  rapriori.c:1112:40: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  reclat.c:169:23: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  reclat.c:183:23: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  reclat.c:189:23: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  reclat.c:196:24: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  reclat.c:204:24: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  reclat.c:222:26: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  reclat.c:249:25: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  reclat.c:343:36: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  reclat.c:345:34: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  reclat.c:356:68: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  reclat.c:365:52: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  reclat.c:378:34: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  reclat.c:387:36: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  reclat.c:395:35: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  reclat.c:412:36: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  reclat.c:418:33: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
See ‘/home/hornik/tmp/R.check/r-devel-clang/Work/PKGS/arules.Rcheck/00install.out’ for details.
* used C compiler: ‘Debian clang version 17.0.5 (1)’