• using R version 3.0.1 (2013-05-16)
• using platform: x86_64-w64-mingw32 (64-bit)
• using session charset: ISO8859-1
• checking for file 'trip/DESCRIPTION' ... OK
• checking extension type ... Package
• this is package 'trip' version '1.1-14'
• checking package namespace information ... OK
• checking package dependencies ... OK
• checking if this is a source package ... OK
• checking if there is a namespace ... OK
• checking for hidden files and directories ... OK
• checking for portable file names ... OK
• checking whether package 'trip' can be installed ... ERROR
  Installation failed.
  See http://www.r-project.org/nosvn/R.check/r-release-windows-ix86+x86_64/trip-00install.html for details.