So the interesting part is: "terminate called without an active exception". This usually means a thread was terminated without join(). Looking at a stack trace of the seemingly duplicate bug (Bug #1432725), looks like that just may be the problem:

Stacktrace:
 #0  0xb6b2c8e6 in ?? () from /lib/arm-linux-gnueabihf/libc.so.6
 No symbol table info available.
 #1  0xb6b3ae5e in raise () from /lib/arm-linux-gnueabihf/libc.so.6
 No symbol table info available.
 #2  0xb6b3bb4e in abort () from /lib/arm-linux-gnueabihf/libc.so.6
 No symbol table info available.
 #3  0xb6c77120 in __gnu_cxx::__verbose_terminate_handler() () from /usr/lib/arm-linux-gnueabihf/libstdc++.so.6
 No symbol table info available.
 #4  0xb6c75950 in ?? () from /usr/lib/arm-linux-gnueabihf/libstdc++.so.6
 No symbol table info available.
 #5  0xb6c759a6 in std::terminate() () from /usr/lib/arm-linux-gnueabihf/libstdc++.so.6
 No symbol table info available.
 #6  0xb6e95eec in ?? () from /usr/lib/arm-linux-gnueabihf/libunity-scopes.so.3
 No symbol table info available.
 #7  0xb6e97b10 in ?? () from /usr/lib/arm-linux-gnueabihf/libunity-scopes.so.3
 No symbol table info available.
 #8  0xb6e781a0 in ?? () from /usr/lib/arm-linux-gnueabihf/libunity-scopes.so.3
 No symbol table info available.
 #9  0xb6ec383a in unity::scopes::ScopeBase::settings() const () from /usr/lib/arm-linux-gnueabihf/libunity-scopes.so.3
 No symbol table info available.
 #10 0xb37e1cf4 in MusicAggregatorScope::init_scope_proxies() () from /usr/lib/arm-linux-gnueabihf/unity-scopes/musicaggregator/libmusicaggregator.so
 No symbol table info available.
 #11 0xb37e1da4 in MusicAggregatorScope::search(unity::scopes::CannedQuery const&, unity::scopes::SearchMetadata const&) () from /usr/lib/arm-linux-gnueabihf/unity-scopes/musicaggregator/libmusicaggregator.so
 No symbol table info available.
 #12 0xb6e8c54c in ?? () from /usr/lib/arm-linux-gnueabihf/libunity-scopes.so.3
 No symbol table info available.
 #13 0xb6e8ae40 in unity::scopes::internal::ScopeObject::query(std::shared_ptr<unity::scopes::internal::MWReply> const&, unity::scopes::internal::MiddlewareBase*, std::string const&, std::function<std::shared_ptr<unity::scopes::QueryBase> ()> const&, std::function<std::shared_ptr<unity::scopes::internal::QueryObjectBase> (std::shared_ptr<unity::scopes::QueryBase>, std::shared_ptr<unity::scopes::internal::MWQueryCtrl>)> const&) () from /usr/lib/arm-linux-gnueabihf/libunity-scopes.so.3
 No symbol table info available.
 #14 0xb6e8bf80 in unity::scopes::internal::ScopeObject::search(unity::scopes::CannedQuery const&, unity::scopes::SearchMetadata const&, std::map<std::string, unity::scopes::Variant, std::less<std::string>, std::allocator<std::pair<std::string const, unity::scopes::Variant> > > const&, std::shared_ptr<unity::scopes::internal::MWReply> const&, unity::scopes::internal::InvokeInfo const&) () from /usr/lib/arm-linux-gnueabihf/libunity-scopes.so.3
 No symbol table info available.
 #15 0xb6dee036 in ?? () from /usr/lib/arm-linux-gnueabihf/libunity-scopes.so.3
 No symbol table info available.
 #16 0xb6df0da8 in ?? () from /usr/lib/arm-linux-gnueabihf/libunity-scopes.so.3
 No symbol table info available.
 #17 0xb6df0e44 in ?? () from /usr/lib/arm-linux-gnueabihf/libunity-scopes.so.3
 No symbol table info available.
 #18 0xb6de6f8e in ?? () from /usr/lib/arm-linux-gnueabihf/libunity-scopes.so.3
 No symbol table info available.
 #19 0xb6de7962 in ?? () from /usr/lib/arm-linux-gnueabihf/libunity-scopes.so.3
 No symbol table info available.
 #20 0xb6cb42a0 in ?? () from /usr/lib/arm-linux-gnueabihf/libstdc++.so.6
 No symbol table info available.
 #21 0xb6d15fa0 in start_thread () from /lib/arm-linux-gnueabihf/libpthread.so.0
 No symbol table info available.
 #22 0xb6ba7b5c in ?? () from /lib/arm-linux-gnueabihf/libc.so.6
 No symbol table info available.