Package log4r version 0.4.2
Package built using 82503/R 4.3.0; x86_64-pc-linux-gnu; 2022-06-21 06:32:24 UTC; unix   
Checked with rchk version 29e18222e1cfa67ba8e63bd3b22a25f78593c554 LLVM version 14.0.0
More information at https://github.com/kalibera/cran-checks/blob/master/rchk/PROTECT.md
For rchk in docker image see https://github.com/kalibera/rchk/blob/master/doc/DOCKER.md

Function R_encode_logfmt
  [UP] unprotected variable keys while calling allocating function Rf_coerceVector log4r/src/logfmt.c:151