Found the following significant warnings:
  Rd warning: /home/hornik/tmp/scratch/RtmpDF5EFs/R.INSTALL78be7acf64b5/lconnect/man/plot.lconnect.Rd:20: file link ‘plot’ in package ‘graphics’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/RtmpDF5EFs/R.INSTALL78be7acf64b5/lconnect/man/plot.lconnect.Rd:12: file link ‘plot’ in package ‘graphics’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/RtmpDF5EFs/R.INSTALL78be7acf64b5/lconnect/man/plot.lconnect.Rd:13: file link ‘plot.sf’ in package ‘sf’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/RtmpDF5EFs/R.INSTALL78be7acf64b5/lconnect/man/plot.lconnect.Rd:25: file link ‘plot’ in package ‘graphics’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/RtmpDF5EFs/R.INSTALL78be7acf64b5/lconnect/man/plot.lconnect.Rd:26: file link ‘plot.sf’ in package ‘sf’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/RtmpDF5EFs/R.INSTALL78be7acf64b5/lconnect/man/plot.pimp.Rd:21: file link ‘plot’ in package ‘graphics’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/RtmpDF5EFs/R.INSTALL78be7acf64b5/lconnect/man/plot.pimp.Rd:12: file link ‘plot’ in package ‘graphics’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/RtmpDF5EFs/R.INSTALL78be7acf64b5/lconnect/man/plot.pimp.Rd:13: file link ‘plot.sf’ in package ‘sf’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/RtmpDF5EFs/R.INSTALL78be7acf64b5/lconnect/man/plot.pimp.Rd:28: file link ‘plot’ in package ‘graphics’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/RtmpDF5EFs/R.INSTALL78be7acf64b5/lconnect/man/plot.pimp.Rd:28: file link ‘plot.sf’ in package ‘sf’ does not exist and so has been treated as a topic
See ‘/home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/lconnect.Rcheck/00install.out’ for details.