mixxx 2.0.0~dfsg-6 is marked for autoremoval from testing on 2017-02-09
It is affected by these RC bugs:
851009: mixxx: FTBFS: src/musicbrainz/chromaprinter.cpp:62:52: error: invalid conversion from 'void**' to 'uint32_t** {aka unsigned int**}' [-fpermissive]