In thread 7f4a72dc7740:
/build/buildd/minetestc55-0.4.7/src/main.cpp:2179: int main(int, char**): Assertion '0' failed.
Debug stacks:
DEBUG STACK FOR THREAD 7f4a72dc7740:
#0  int main(int, char**)
(Leftover data: #1  Dedicated server branch)
(Leftover data: #2  virtual void ServerMap::save(ModifiedState))
(Leftover data: #3  void ServerMap::saveMapMeta())
Aborted (core dumped)