Checking if your kit is complete...
Looks good
Writing Makefile for Paths::Tree
cp Tree.pm blib/lib/Paths/Tree.pm
Manifying blib/man3/Paths::Tree.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..3
ok 1 - use Paths::Tree;
ok 2 - require Paths::Tree;
Use of uninitialized value $level in addition (+) at /home/cpanrun/depot/main/contrib-patched/perl/CPAN/src/Paths-Tree/blib/lib/Paths/Tree.pm line 28.
_3 
_HELLO 
__YOU 
__WORLD 
ok 3
ok
All tests successful.
Files=1, Tests=3,  0 wallclock secs ( 0.07 cusr +  0.04 csys =  0.11 CPU)
Installing /home/cpanrun/build/5.10.0/html/site/lib/Paths/Tree.html
Installing /home/cpanrun/build/5.10.0/site/lib/Paths/Tree.pm
Installing /home/cpanrun/build/5.10.0/site/man/man3/Paths::Tree.3
Appending installation info to /home/cpanrun/build/5.10.0/lib/perllocal.pod