12:45:46     c/_cffi_backend.c:15:17: fatal error: ffi.h: No such file or directory

If it’s an Ubuntu based images, then the following package should be installed : apt install libffi-dev. Name might vary depending on the version of Ubuntu.

https://jenkins.onap.org/view/vvp/job/vvp-engagementmgr-master-docker-java-daily/lastFailedBuild/console