Package filehash build failure report

Build errors
ERROR: This R is version 2.2.0
package 'filehash' needs R >= 2.3.0
Build output
* checking for file 'filehash/DESCRIPTION' ... OK
* preparing 'filehash':
* checking DESCRIPTION meta-information ... OK
* removing junk files
* checking for LF line-endings in source files
* checking for empty directories
* building binary distribution
* Removing '/private/tmp/Rinst.1141/filehash'
ERROR
* installation failed