Waiting upstream fix on aotmic operations, a RM request has been sent to remove binaries from failing archs:
#766961: RM: mapsembler2 [mips mipsel powerpc sparc] -- RoM; FTBFS -- gpg key id: 4096R/326D8438 (keyring.debian.org) Key fingerprint = 5FB4 6F83 D3B9 5204 6335 D26D 78DC 68DB 326D 8438