* using log directory 'd:/Rcompile/CRANpkg/local/2.5/sets.Rcheck'
* using R version 2.5.1 Patched (2007-08-01 r42387)
* checking for file 'sets/DESCRIPTION' ... OK
* this is package 'sets' version '0.1-1'
* checking package dependencies ... OK
* checking if this is a source package ... OK
* checking whether package 'sets' can be installed ... ERROR
Installation failed.
The installation logfile:
This R is version 2.5.1
    package `sets' requires R 2.6.0 or later