severity 848574 grave thanks This should probably be release-critical as mips64el is a release architecture.
It was also mentioned in #-devel today that this causes build failures in other packages, for example [1]. Ansgar [1] <https://buildd.debian.org/status/fetch.php?pkg=elpa&arch=mips64el&ver=2016.05.001-4&stamp=1484915205&raw=0>