Version of ruby-html2haml is marked for autoremoval from testing on Thu 08 Mar 2018. It depends (transitively) on ruby-sexp-processor, affected by 888196. You should try to prevent the removal by fixing these RC bugs.
Last update: 2018-02-22
Standards version of the package is outdated.
The package should be updated to follow the last version of Debian Policy
(Standards-Version 4.0.1 instead of