Checking if your kit is complete...
Looks good
Writing Makefile for DBIx::Tree
DBI Connection String? [DBI:mysql:test] DBI:mysql:test
User ID? [] 
Password? [] 
cp Tree.pm blib/lib/DBIx/Tree.pm
AutoSplitting blib/lib/DBIx/Tree.pm (blib/lib/auto/DBIx/Tree)
Manifying blib/man3/DBIx::Tree.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 test.pl
1..11
ok 1
DBI connect('test','',...) failed: Can't connect to local MySQL server through socket '/tmp/mysql.sock' (111) at test.pl line 31
not ok 2
Can't connect to local MySQL server through socket '/tmp/mysql.sock' (111) at test.pl line 36.
make: *** [test_dynamic] Error 255