Found the following significant warnings:
  Rd warning: /home/hornik/tmp/scratch/RtmpQpBqp7/R.INSTALL85d42b87d7d/progressr/man/handler_ascii_alert.Rd:19: file link ‘connection’ in package ‘base’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/RtmpQpBqp7/R.INSTALL85d42b87d7d/progressr/man/handler_newline.Rd:19: file link ‘connection’ in package ‘base’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/RtmpQpBqp7/R.INSTALL85d42b87d7d/progressr/man/handler_pbmcapply.Rd:21: file link ‘connection’ in package ‘base’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/RtmpQpBqp7/R.INSTALL85d42b87d7d/progressr/man/handler_txtprogressbar.Rd:18: file link ‘connection’ in package ‘base’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/RtmpQpBqp7/R.INSTALL85d42b87d7d/progressr/man/make_progression_handler.Rd:54: file link ‘condition’ in package ‘base’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/RtmpQpBqp7/R.INSTALL85d42b87d7d/progressr/man/make_progression_handler.Rd:56: file link ‘withCallingHandlers’ in package ‘base’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/RtmpQpBqp7/R.INSTALL85d42b87d7d/progressr/man/make_progression_handler.Rd:66: file link ‘withCallingHandlers’ in package ‘base’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/RtmpQpBqp7/R.INSTALL85d42b87d7d/progressr/man/progress.Rd:15: file link ‘condition’ in package ‘base’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/RtmpQpBqp7/R.INSTALL85d42b87d7d/progressr/man/progress.Rd:21: file link ‘signalCondition’ in package ‘base’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/RtmpQpBqp7/R.INSTALL85d42b87d7d/progressr/man/progression.Rd:52: file link ‘condition’ in package ‘base’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/RtmpQpBqp7/R.INSTALL85d42b87d7d/progressr/man/progression.Rd:58: file link ‘signalCondition’ in package ‘base’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/RtmpQpBqp7/R.INSTALL85d42b87d7d/progressr/man/with_progress.Rd:33: file link ‘condition’ in package ‘base’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/RtmpQpBqp7/R.INSTALL85d42b87d7d/progressr/man/with_progress.Rd:116: file link ‘withCallingHandlers’ in package ‘base’ does not exist and so has been treated as a topic
See ‘/home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/progressr.Rcheck/00install.out’ for details.