Checking if your kit is complete...
Looks good
Writing Makefile for Modbus::Client
cp lib/Modbus/Client.pm blib/lib/Modbus/Client.pm
Manifying blib/man3/Modbus::Client.3
No tests defined for Modbus::Client extension.
Installing /Users/cpanrun/build/5.8.8/html/site/lib/Modbus/Client.html
Installing /Users/cpanrun/build/5.8.8/lib/site_perl/5.8.8/Modbus/Client.pm
Installing /Users/cpanrun/build/5.8.8/man/man3/Modbus::Client.3
Appending installation info to /Users/cpanrun/build/5.8.8/lib/5.8.8/darwin-thread-multi-2level/perllocal.pod