=> "/opt/pkg/bin/bmake" ["-C", "/data/jenkins/workspace/pkgsrc-upstream-trunk/time/R-tzdb", "stage-install", "BATCH=1", "DEPENDS_TARGET=/nonexistent"]
===> Installing for R-tzdb-0.5.0
=> Generating pre-install file lists
=> Creating installation directories
* installing *source* package 'tzdb' ...
** this is package 'tzdb' version '0.5.0'
file 'inst/tzdata/zoneinfo2tdf.pl' has the wrong MD5 checksum
** using staged installation
** libs
Error: package 'cpp11' 0.5.1 was found, but >= 0.5.2 is required by 'tzdb'
* removing '/tmp/work/time/R-tzdb/work/.destdir/opt/pkg/lib/R/library/tzdb'
*** Error code 1

Stop.
bmake[1]: stopped making "stage-install" in /data/jenkins/workspace/pkgsrc-upstream-trunk/time/R-tzdb
*** Error code 1

Stop.
bmake: stopped making "stage-install" in /data/jenkins/workspace/pkgsrc-upstream-trunk/time/R-tzdb