Can't read /tests/cover_db/digests with Sereal: Sereal: Error: Bad Sereal header: Not a valid Sereal document. at offset 1 of input at srl_decoder.c line 580 at /usr/pkgs/perl/5.26.1/lib64/site_perl/linux/Devel/Cover/DB/IO/Sereal.pm line 34, <$fh> chunk 1. BEGIN failed--compilation aborted at /usr/common/pkgs/register/1.2/bin/register line 2.