Bug#1014096: RM: rust-common-failures -- ROM; needs removed rust-failure

[Peter Michael Green <plugwash@debian.org>]

> I just uploaded new package rust-common-failures now sitting in NEW, but
> then realized that rust-failure which it depends on is removed from
> Debian (see bug#973298).
>
> Please drop rust-common-failures from NEW queue - it is useless.
>       
      This is not entirely correct, rust-failure was indeed removed
      from unstable, but it was re-instated the next day.