* installing to library ‘/home/hornik/tmp/R.check/r-patched-gcc/Work/build/Packages’
* installing *source* package ‘optextras’ ...
** this is package ‘optextras’ version ‘2019-12.4’
** package ‘optextras’ successfully unpacked and MD5 sums checked
** using staged installation
** R
** byte-compile and prepare package for lazy loading
** help
*** installing help indices
  converting help for package ‘optextras’
    finding HTML links ... done
    axsearch                                html  
    bmchk                                   html  
    bmstep                                  html  
    ctrldefault                             html  
    fnchk                                   html  
    gHgen                                   html  
    gHgenb                                  html  
    grback                                  html  
    grcentral                               html  
    grchk                                   html  
    grfwd                                   html  
    grnd                                    html  
    hesschk                                 html  
    kktchk                                  html  
    optextras-package                       html  
    scalechk                                html  
** building package indices
** testing if installed package can be loaded from temporary location
** testing if installed package can be loaded from final location
** testing if installed package keeps a record of temporary installation path
* DONE (optextras)