* using log directory 'd:/Rcompile/CRANpkg/local/4.0/do.Rcheck'
* using R version 4.0.5 (2021-03-31)
* using platform: x86_64-w64-mingw32 (64-bit)
* using session charset: ISO8859-1
* checking for file 'do/DESCRIPTION' ... OK
* checking extension type ... Package
* this is package 'do' version '1.9.0.0'
* package encoding: UTF-8
* 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 'do' can be installed ... ERROR
Installation failed.
See 'd:/Rcompile/CRANpkg/local/4.0/do.Rcheck/00install.out' for details.
* DONE
The installation logfile:
* installing *source* package 'do' ...
** package 'do' successfully unpacked and MD5 sums checked
** using staged installation
** R
Error in parse(outFile) : 
  D:/temp/RtmpqYF28v/R.INSTALL139581a365286/do/R/file.name.R:13:19: unexpected '>'
12: file.name <- function(...){
13:     fn <- c(...) |>
                      ^
ERROR: unable to collate and parse R files for package 'do'
* removing 'd:/Rcompile/CRANpkg/lib/4.0/do'
* restoring previous 'd:/Rcompile/CRANpkg/lib/4.0/do'