The package rpms/rust.git has added or updated architecture specific content in its
spec file (ExclusiveArch/ExcludeArch or %ifarch/%ifnarch) in commit(s):
http://pkgs.fedoraproject.org/cgit/rpms/rust.git/commit/?id=7cfff5ad7625b....
Change:
+%ifnarch %{bootstrap_arches}
Thanks.