* using log directory ‘/home/rstudio/rstudio/webpages/books/bookdown.Rcheck’
* using R version 3.5.1 (2018-07-02)
* using platform: x86_64-pc-linux-gnu (64-bit)
* using session charset: UTF-8
* using option ‘--as-cran’
* checking for file ‘bookdown/DESCRIPTION’ ... OK
* checking extension type ... Package
* this is package ‘bookdown’ version ‘0.9.2’
* package encoding: UTF-8
* checking CRAN incoming feasibility ...