Checking if your kit is complete...
Looks good
Writing Makefile for CPANPLUS::Shell::Default::Plugins::Diff
cp lib/CPANPLUS/Shell/Default/Plugins/Diff.pm blib/lib/CPANPLUS/Shell/Default/Plugins/Diff.pm
Manifying blib/man3/CPANPLUS::Shell::Default::Plugins::Diff.3
PERL_DL_NONLAZY=1 /Users/cpanrun/build/5.10.0/bin/perl "-MExtUtils::Command::MM" "-e" "test_harness(1, 'blib/lib', 'blib/arch')" t/*.t
t/01-Diff....ok 1 - use CPANPLUS::Shell::Default::Plugins::Diff;
ok 2 - CPANPLUS::Shell::Default::Plugins::Diff->can('plugins')
ok 3 - The object isa HASH
ok 4 - CPANPLUS::Shell::Default::Plugins::Diff->can('diff')
ok 5 - CPANPLUS::Shell::Default::Plugins::Diff->can('diff_help')
1..5
ok
All tests successful.
Files=1, Tests=5,  0 wallclock secs ( 0.14 cusr +  0.06 csys =  0.20 CPU)
Installing /Users/cpanrun/build/5.10.0/html/site/lib/CPANPLUS/Shell/Default/Plugins/Diff.html
Installing /Users/cpanrun/build/5.10.0/site/lib/CPANPLUS/Shell/Default/Plugins/Diff.pm
Installing /Users/cpanrun/build/5.10.0/site/man/man3/CPANPLUS::Shell::Default::Plugins::Diff.3
Appending installation info to /Users/cpanrun/build/5.10.0/lib/perllocal.pod
make: *** [doc_update] Hangup