Version 0.15.0-1 of golang-github-go-openapi-strfmt is marked for autoremoval from testing on Sun 16 Feb 2020. It depends (transitively) on golang-github-mailru-easyjson, affected by #947996. You should try to prevent the removal by fixing these RC bugs.
![[bug history graph]](https://qa.debian.org/data/bts/graphs/g/golang-github-go-openapi-strfmt.png){kind=link}