Result: WARN
Found the following significant warnings:
altrep-rle.c:63:11: warning: format specifies type 'int' but the argument has type 'R_xlen_t' (aka 'long') [-Wformat]
See ‘/home/hornik/tmp/R.check/r-devel-clang/Work/PKGS/vctrs.Rcheck/00install.out’ for details.
* used C compiler: ‘Debian clang version 17.0.5 (1)’