Checking if your kit is complete...
Looks good
Writing Makefile for Net::UPCDatabase
cp UPCDatabase.pm blib/lib/Net/UPCDatabase.pm
Manifying blib/man3/Net::UPCDatabase.3
PERL_DL_NONLAZY=1 /home/cpanrun/tmp/5.10.0/bin/perl "-MExtUtils::Command::MM" "-e" "test_harness(1, 'blib/lib', 'blib/arch')" t/*.t
t/1....1..5
ok 1 - use Net::UPCDatabase;
ok 2 - The object isa Net::UPCDatabase
Use of uninitialized value in concatenation (.) or string at t/1.t line 17.
ok 3 - lookup (test good upc) 
ok 4 - lookup (test bad checksum) Invalid EAN
ok 5 - lookup (test bad length) Error: Invalid length
ok
All tests successful.
Files=1, Tests=5,  2 wallclock secs ( 0.39 cusr +  0.17 csys =  0.56 CPU)
Installing /home/cpanrun/build/5.10.0/html/site/lib/Net/UPCDatabase.html
Installing /home/cpanrun/build/5.10.0/site/lib/Net/UPCDatabase.pm
Installing /home/cpanrun/build/5.10.0/site/man/man3/Net::UPCDatabase.3
Appending installation info to /home/cpanrun/build/5.10.0/lib/perllocal.pod