Bug#1031073: librust-lewton+async-ogg-dev is not installable

[Adrian Bunk]

Package: librust-lewton+async-ogg-dev
Version: 0.9.4-3
Severity: serious

The following packages have unmet dependencies:
 librust-lewton+async-ogg-dev : Depends: librust-futures-0.1+default-dev
                                Depends: librust-ogg-0.7+async-dev
                                Depends: librust-ogg-0.7+default-dev
                                Depends: librust-tokio-io-0.1+default-dev