Reading database from /play_ground/cov/cover_db
found cover.13 in /play_ground/cov/cover_db/runs/1570662588.11726.03850 at /usr/pkgs/perl/5.14.1/lib64/module/r3/x86_64-linux/Devel/Cover/DB.pm line 203.
Devel::Cover: /play_ground/cov/cover_db/runs/1570662588.11726.03850 is an invalid database
found cover.13 in /play_ground/cov/cover_db/runs/1570662590.11725.07170 at /usr/pkgs/perl/5.14.1/lib64/module/r3/x86_64-linux/Devel/Cover/DB.pm line 203.
Devel::Cover: /play_ground/cov/cover_db/runs/1570662590.11725.07170 is an invalid database


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HTML output written to /play_ground/cov/cover_db/coverage.html
done.