Found the following significant warnings:
  Rd warning: /home/hornik/tmp/scratch/Rtmpuu3eDA/R.INSTALL33a1789ce020/ggformula/man/gf_area.Rd:129: file link ‘geom_area’ in package ‘ggplot2’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/Rtmpuu3eDA/R.INSTALL33a1789ce020/ggformula/man/gf_bin2d.Rd:94: file link ‘stat_bin2d’ in package ‘ggplot2’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/Rtmpuu3eDA/R.INSTALL33a1789ce020/ggformula/man/gf_col.Rd:156: file link ‘geom_col’ in package ‘ggplot2’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/Rtmpuu3eDA/R.INSTALL33a1789ce020/ggformula/man/gf_crossbar.Rd:206: file link ‘geom_crossbar’ in package ‘ggplot2’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/Rtmpuu3eDA/R.INSTALL33a1789ce020/ggformula/man/gf_curve.Rd:130: file link ‘curveGrob’ in package ‘grid’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/Rtmpuu3eDA/R.INSTALL33a1789ce020/ggformula/man/gf_curve.Rd:166: file link ‘geom_curve’ in package ‘ggplot2’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/Rtmpuu3eDA/R.INSTALL33a1789ce020/ggformula/man/gf_errorbar.Rd:141: file link ‘geom_errorbar’ in package ‘ggplot2’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/Rtmpuu3eDA/R.INSTALL33a1789ce020/ggformula/man/gf_errorbarh.Rd:107: file link ‘geom_errorbar’ in package ‘ggplot2’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/Rtmpuu3eDA/R.INSTALL33a1789ce020/ggformula/man/gf_freqpoly.Rd:193: file link ‘geom_freqpoly’ in package ‘ggplot2’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/Rtmpuu3eDA/R.INSTALL33a1789ce020/ggformula/man/gf_line.Rd:178: file link ‘geom_line’ in package ‘ggplot2’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/Rtmpuu3eDA/R.INSTALL33a1789ce020/ggformula/man/gf_linerange.Rd:356: file link ‘geom_pointrange’ in package ‘ggplot2’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/Rtmpuu3eDA/R.INSTALL33a1789ce020/ggformula/man/gf_linerange.Rd:358: file link ‘geom_pointrange’ in package ‘ggplot2’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/Rtmpuu3eDA/R.INSTALL33a1789ce020/ggformula/man/gf_lines.Rd:217: file link ‘geom_vline’ in package ‘ggplot2’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/Rtmpuu3eDA/R.INSTALL33a1789ce020/ggformula/man/gf_lines.Rd:218: file link ‘geom_hline’ in package ‘ggplot2’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/Rtmpuu3eDA/R.INSTALL33a1789ce020/ggformula/man/gf_raster.Rd:146: file link ‘geom_raster’ in package ‘ggplot2’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/Rtmpuu3eDA/R.INSTALL33a1789ce020/ggformula/man/gf_rect.Rd:136: file link ‘geom_rect’ in package ‘ggplot2’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/Rtmpuu3eDA/R.INSTALL33a1789ce020/ggformula/man/gf_segment.Rd:114: file link ‘curveGrob’ in package ‘grid’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/Rtmpuu3eDA/R.INSTALL33a1789ce020/ggformula/man/gf_sf.Rd:154: file link ‘geom_line’ in package ‘ggplot2’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/Rtmpuu3eDA/R.INSTALL33a1789ce020/ggformula/man/gf_step.Rd:163: file link ‘geom_step’ in package ‘ggplot2’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/Rtmpuu3eDA/R.INSTALL33a1789ce020/ggformula/man/gf_violin.Rd:129: file link ‘bw.nrd’ in package ‘stats’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/Rtmpuu3eDA/R.INSTALL33a1789ce020/ggformula/man/reexports.Rd:20: file link ‘stat_sina’ in package ‘ggforce’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/Rtmpuu3eDA/R.INSTALL33a1789ce020/ggformula/man/reexports.Rd:20: file link ‘StatSina’ in package ‘ggforce’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/Rtmpuu3eDA/R.INSTALL33a1789ce020/ggformula/man/reexports.Rd:22: file link ‘%>%’ in package ‘magrittr’ does not exist and so has been treated as a topic
See ‘/home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/ggformula.Rcheck/00install.out’ for details.