Control: severity -1 serious After reading [1] (debarchiver rejecting packages due to unsigned .buildinfo) this is IMHO an RC issue for stretch - dscverify rejecting packages signed by debsign is nothing that should end up in a release.
cu Adrian [1] https://lists.debian.org/debian-user-german/2017/03/msg00025.html -- "Is there not promise of rain?" Ling Tan asked suddenly out of the darkness. There had been need of rain for many days. "Only a promise," Lao Er said. Pearl S. Buck - Dragon Seed