Package alcyon version 0.5.0
Package built using 87358/R 4.5.0; x86_64-pc-linux-gnu; 2024-11-21 17:11:51 UTC; unix   
Checked with rchk version 35618ebbccf3cd0b45a3530e6303970a22a9056b LLVM version 14.0.6
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 ProgressCommunicator::CommPostMessage(unsigned long, unsigned long) const
  [PB] has possible protection stack imbalance /unknown:0