/home/cpanrun/build/5.6.1/bin/perl Build.PL 
Checking whether your kit is complete...
ERROR: Module::Build: Version 0.20 is installed, but we need version >= 0.21
ERRORS/WARNINGS FOUND IN PREREQUISITES.  You may wish to install the versions
 of the modules indicated above before proceeding with this installation.

Looks good

For testing purposes, please enter a directory containing
'grammar' and 'events' model files
 [../../external/COLLINS-PARSER/models/model1] Can't find ../../external/COLLINS-PARSER/models/model1/grammar.grm, aborting build
../../external/COLLINS-PARSER/models/model1
Couldn't run Build.PL:  at /home/cpanrun/build/5.6.1/lib/site_perl/5.6.1/Module/Build/Compat.pm line 118.