I was trying to install Perl using perlbrew and the install ended with this. I'm using SunOS 5.10. What does this mean?

Test Summary Report
-------------------
../cpan/HTTP-Tiny/t/002_croakage.t                              (Wstat
+: 65280 Tests: 0 Failed: 0)
  Non-zero exit status: 255
  Parse errors: No plan found in TAP output
../cpan/HTTP-Tiny/t/003_agent.t                                 (Wstat
+: 65280 Tests: 0 Failed: 0)
  Non-zero exit status: 255
  Parse errors: Bad plan.  You planned 3 tests but ran 0.
Files=2387, Tests=673865, 2991 wallclock secs (61.25 usr 23.98 sys + 4
+36.39 cusr 146.35 csys = 667.97 CPU)
Result: FAIL
*** Error code 2
make: Fatal error: Command failed for target `test_harness'
perl-5.18.0 is successfully installed.
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(perl was not successfully installed)