Checking if your kit is complete...
Looks good
Writing Makefile for Math::Symbolic::Custom::Contains
cp lib/Math/Symbolic/Custom/Contains.pm blib/lib/Math/Symbolic/Custom/Contains.pm
Manifying blib/man3/Math::Symbolic::Custom::Contains.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/00pod.........1..1
ok 1 - blib/lib/Math/Symbolic/Custom/Contains.pm
ok
t/00podcover....1..0 # Skip Test::Pod::Coverage 1.00 required for testing POD coverage
skipped
        all skipped: Test::Pod::Coverage 1.00 required for testing POD coverage
t/01basic.......1..8
ok 1 - use Math::Symbolic;
ok 2 - use Math::Symbolic::Custom::Contains;
ok 3 - contains product
ok 4 - contains sum
ok 5 - contains no division
ok 6 - contains operator
ok 7 - contains no operator
ok 8 - returns correct node
ok
All tests successful, 1 test skipped.
Files=3, Tests=9,  1 wallclock secs ( 0.48 cusr +  0.13 csys =  0.61 CPU)
Installing /Users/cpanrun/build/5.10.0/html/site/lib/Math/Symbolic/Custom/Contains.html
Installing /Users/cpanrun/build/5.10.0/site/lib/Math/Symbolic/Custom/Contains.pm
Installing /Users/cpanrun/build/5.10.0/site/man/man3/Math::Symbolic::Custom::Contains.3
Appending installation info to /Users/cpanrun/build/5.10.0/lib/perllocal.pod
make: *** [doc_update] Hangup