Found the following significant warnings:
  Warning: replacing previous import ‘knitr::clean_cache’ by ‘pkgdown::clean_cache’ when loading ‘preferably’
See ‘/home/hornik/tmp/R.check/r-devel-clang/Work/PKGS/preferably.Rcheck/00install.out’ for details.
Found the following significant warnings:
  Warning: replacing previous import ‘knitr::clean_cache’ by ‘pkgdown::clean_cache’ when loading ‘preferably’
See ‘/home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/preferably.Rcheck/00install.out’ for details.
Found the following significant warnings:
  Warning: replacing previous import ‘knitr::clean_cache’ by ‘pkgdown::clean_cache’ when loading ‘preferably’
See ‘/data/gannet/ripley/R/packages/tests-clang/preferably.Rcheck/00install.out’ for details.
Found the following significant warnings:
  Warning: replacing previous import ‘knitr::clean_cache’ by ‘pkgdown::clean_cache’ when loading ‘preferably’
See ‘/data/gannet/ripley/R/packages/tests-devel/preferably.Rcheck/00install.out’ for details.
Found the following significant warnings:
  Warning: replacing previous import 'knitr::clean_cache' by 'pkgdown::clean_cache' when loading 'preferably'
See 'd:/Rcompile/CRANpkg/local/4.5/preferably.Rcheck/00install.out' for details.
Found the following significant warnings:
  Warning: replacing previous import ‘knitr::clean_cache’ by ‘pkgdown::clean_cache’ when loading ‘preferably’
See ‘/home/hornik/tmp/R.check/r-patched-gcc/Work/PKGS/preferably.Rcheck/00install.out’ for details.
Found the following significant warnings:
  Warning: replacing previous import ‘knitr::clean_cache’ by ‘pkgdown::clean_cache’ when loading ‘preferably’
See ‘/home/hornik/tmp/R.check/r-release-gcc/Work/PKGS/preferably.Rcheck/00install.out’ for details.
Found the following significant warnings:
  Warning: replacing previous import 'knitr::clean_cache' by 'pkgdown::clean_cache' when loading 'preferably'
See 'd:/Rcompile/CRANpkg/local/4.4/preferably.Rcheck/00install.out' for details.
Found the following significant warnings:
  Warning: replacing previous import 'knitr::clean_cache' by 'pkgdown::clean_cache' when loading 'preferably'
See 'd:/Rcompile/CRANpkg/local/4.3/preferably.Rcheck/00install.out' for details.