* installing *source* package ‘hyper.fit’ ...
** package ‘hyper.fit’ successfully unpacked and MD5 sums checked
** using staged installation
** R
** data
** inst
** byte-compile and prepare package for lazy loading
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Warning messages:
1: In fun(libname, pkgname) : couldn't connect to display ":0"
2: In rgl.init(initValue, onlyNULL) : RGL: unable to open X11 display
3: 'rgl_init' failed, running with rgl.useNULL = TRUE 
** help
*** installing help indices
** building package indices
** testing if installed package can be loaded from temporary location
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Warning in fun(libname, pkgname) : couldn't connect to display ":0"
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Warning in rgl.init(initValue, onlyNULL) :
  RGL: unable to open X11 display
Warning: 'rgl_init' failed, running with rgl.useNULL = TRUE
** testing if installed package can be loaded from final location
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Warning in fun(libname, pkgname) : couldn't connect to display ":0"
No protocol specified
Warning in rgl.init(initValue, onlyNULL) :
  RGL: unable to open X11 display
Warning: 'rgl_init' failed, running with rgl.useNULL = TRUE
** testing if installed package keeps a record of temporary installation path
* DONE (hyper.fit)