Checking if your kit is complete...
Looks good
Writing Makefile for Algorithm::Tree::NCA
cp NCA.pm blib/lib/Algorithm/Tree/NCA.pm
Manifying blib/man3/Algorithm::Tree::NCA.3
PERL_DL_NONLAZY=1 /home/cpanrun/build/5.6.1/bin/perl -Iblib/arch -Iblib/lib -I/home/cpanrun/build/5.6.1/lib/5.6.1/i686-linux-thread-multi -I/home/cpanrun/build/5.6.1/lib/5.6.1 -e 'use Test::Harness qw(&runtests $verbose); $verbose=1; runtests @ARGV;' t/*.t
t/basic.............1..4
ok 1
ok 2
ok 3
ok 4
ok
t/preprocess........1..5
ok 1
ok 2
ok 3
ok 4
ok 5
ok
t/random............1..7
ok 1
ok 2
ok 3
ok 4
ok 5
ok 6
ok 7
ok
All tests successful.
Files=3, Tests=16, 280 wallclock secs (142.59 cusr +  0.11 csys = 142.70 CPU)
Installing /home/cpanrun/build/5.6.1/lib/site_perl/5.6.1/Algorithm/Tree/NCA.pm
Installing /home/cpanrun/build/5.6.1/man/man3/Algorithm::Tree::NCA.3
Appending installation info to /home/cpanrun/build/5.6.1/lib/5.6.1/i686-linux-thread-multi/perllocal.pod