Vagrant fails to build erlang

==> jsx (eunit)
ERROR: eunit failed while processing /thrift/lib/erl/deps/jsx: {'EXIT',{undef,[

{cover,reset,[]}

,

{rebar_eunit,cover_init,2}

,

{rebar_eunit,eunit,2}

,

{rebar_core,run_modules,4}

,

{rebar_core,execute,4}

,

{rebar_core,process_dir,4}

,

{rebar_core,process_commands,1}

,

{rebar,main,1}

]}}