Error(s) in re-building vignettes:
--- re-building ‘sos.Rnw’ using Sweave
Loading required package: brew

Attaching package: 'sos'

The following object is masked from 'package:utils':

    ?

Warning in readLines(link) :
  URL 'https://search.r-project.org/?P=spline&HITSPERPAGE=20&FMT=xml&SORT=&DB=cran-help&DB=r-help&[=15': Timeout of 60 seconds was reached
Error in readLines(link) : 
  cannot open the connection to 'https://search.r-project.org/?P=spline&HITSPERPAGE=20&FMT=xml&SORT=&DB=cran-help&DB=r-help&[=15'
Warning in parseHTML(href.i) :
  An error occurred in readLine(link), link = 5
findFn needs Internet access;  is it available?
Warning in readLines(link) :
  URL 'https://search.r-project.org/?P=spline&HITSPERPAGE=20&FMT=xml&SORT=&DB=cran-help&DB=r-help&[=16': Timeout of 60 seconds was reached
Error in readLines(link) : 
  cannot open the connection to 'https://search.r-project.org/?P=spline&HITSPERPAGE=20&FMT=xml&SORT=&DB=cran-help&DB=r-help&[=16'
Warning in parseHTML(href.i) :
  An error occurred in readLine(link), link = 5
findFn needs Internet access;  is it available?
Warning in readLines(link) :
  URL 'https://search.r-project.org/?P=spline&HITSPERPAGE=20&FMT=xml&SORT=&DB=cran-help&DB=r-help&[=17': Timeout of 60 seconds was reached
Error in readLines(link) : 
  cannot open the connection to 'https://search.r-project.org/?P=spline&HITSPERPAGE=20&FMT=xml&SORT=&DB=cran-help&DB=r-help&[=17'
Warning in parseHTML(href.i) :
  An error occurred in readLine(link), link = 5
findFn needs Internet access;  is it available?
Warning in readLines(link) :
  URL 'https://search.r-project.org/?P=spline&HITSPERPAGE=20&FMT=xml&SORT=&DB=cran-help&DB=r-help&[=96': Timeout of 60 seconds was reached
Error in readLines(link) : 
  cannot open the connection to 'https://search.r-project.org/?P=spline&HITSPERPAGE=20&FMT=xml&SORT=&DB=cran-help&DB=r-help&[=96'
Warning in parseHTML(href.i) :
  An error occurred in readLine(link), link = 5
findFn needs Internet access;  is it available?

Execution halted

* checking PDF version of manual ...* using check arguments '--no-clean-on-error '