#0  0x00007ffff5c09c6c in std::default_delete<mir::graphics::DisplayConfiguration>::operator()(mir::graphics::DisplayConfiguration*) const ()
    at /usr/include/c++/6/bits/unique_ptr.h:76
#1  std::_Sp_counted_deleter<mir::graphics::DisplayConfiguration*, std::default_delete<mir::graphics::DisplayConfiguration>, std::allocator<void>, (__gnu_cxx::_Lock_policy)2>::_M_dispose() (this=<optimized out>) at /usr/include/c++/6/bits/shared_ptr_base.h:464
#2  0x00007ffff5c0a9aa in std::_Sp_counted_base<(__gnu_cxx::_Lock_policy)2>::_M_release() [clone .part.14] [clone .lto_priv.725] (this=0x555555b6e4f0)
    at /usr/include/c++/6/bits/shared_ptr_base.h:150
#3  0x00007ffff5c13218 in std::__shared_count<(__gnu_cxx::_Lock_policy)2>::~__shared_count() () at /usr/include/c++/6/bits/shared_ptr_base.h:662
#4  std::__shared_ptr<mir::graphics::DisplayConfiguration const, (__gnu_cxx::_Lock_policy)2>::~__shared_ptr() ()
    at /usr/include/c++/6/bits/shared_ptr_base.h:928
#5  std::shared_ptr<mir::graphics::DisplayConfiguration const>::~shared_ptr() () at /usr/include/c++/6/bits/shared_ptr.h:93
#6  std::_Head_base<1ul, std::shared_ptr<mir::graphics::DisplayConfiguration const>, false>::~_Head_base() () at /usr/include/c++/6/tuple:102
#7  std::_Tuple_impl<1ul, std::shared_ptr<mir::graphics::DisplayConfiguration const> >::~_Tuple_impl() () at /usr/include/c++/6/tuple:338
#8  std::_Tuple_impl<0ul, mir::graphics::DisplayConfigurationObserver*, std::shared_ptr<mir::graphics::DisplayConfiguration const> >::~_Tuple_impl() ()
    at /usr/include/c++/6/tuple:180
#9  std::tuple<mir::graphics::DisplayConfigurationObserver*, std::shared_ptr<mir::graphics::DisplayConfiguration const> >::~tuple() ()
    at /usr/include/c++/6/tuple:866
#10 std::_Bind<std::_Mem_fn<void (mir::graphics::DisplayConfigurationObserver::*)(std::shared_ptr<mir::graphics::DisplayConfiguration const> const&)> (mir::graphics::DisplayConfigurationObserver*, std::shared_ptr<mir::graphics::DisplayConfiguration const>)>::~_Bind() () at /usr/include/c++/6/functional:918
#11 _ZNSt14_Function_base13_Base_managerISt5_BindIFSt7_Mem_fnIMN3mir8graphics28DisplayConfigurationObserverEFvRKSt10shared_ptrIKNS4_20DisplayConfigurationEEEEPS5_S9_EEE10_M_destroyERSt9_Any_dataSt17integral_constantIbLb0EE.isra.13 (__victim=...) at /usr/include/c++/6/functional:1586
#12 std::_Function_base::_Base_manager<std::_Bind<std::_Mem_fn<void (mir::graphics::DisplayConfigurationObserver::*)(std::shared_ptr<mir::graphics::DisplayConfiguration const> const&)> (mir::graphics::DisplayConfigurationObserver*, std::shared_ptr<mir::graphics::DisplayConfiguration const>)> >::_M_manager(std::_Any_data&, std::_Any_data const&, std::_Manager_operation) (__dest=..., __source=..., __op=<optimized out>) at /usr/include/c++/6/functional:1610
#13 0x00007ffff5bdb87b in std::_Function_base::~_Function_base() () at /usr/include/c++/6/functional:1690
#14 std::function<void ()>::~function() () at /usr/include/c++/6/functional:1834
#15 __base_dtor  () at ./src/server/glib_main_loop.cpp:235
#16 _ZNSt14_Function_base13_Base_managerIZN3mir12GLibMainLoop7enqueueEPKvRKSt8functionIFvvEEEUlvE_E10_M_destroyERSt9_Any_dataSt17integral_constantIbLb0EE.isra.66 (__victim=...) at /usr/include/c++/6/functional:1586
#17 _M_manager (__dest=..., __source=..., __op=<optimized out>) at /usr/include/c++/6/functional:1610
#18 0x00007ffff73c9356 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#19 0x00007ffff73c95ce in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007ffff73c9acd in g_main_context_unref () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007ffff5c10bff in __base_dtor  (this=0x555555863b50) at ./src/server/glib_main_loop.cpp:118
#22 __base_dtor  (this=0x555555863b20) at ./src/include/server/mir/glib_main_loop.h:50
#23 0x00007ffff78e47ca in std::_Sp_counted_base<(__gnu_cxx::_Lock_policy)2>::_M_release() [clone .part.15] [clone .lto_priv.132] (this=0x555555863b10)
    at /usr/include/c++/6/bits/shared_ptr_base.h:150
#24 0x00007ffff78eec13 in std::__shared_count<(__gnu_cxx::_Lock_policy)2>::~__shared_count () at /usr/include/c++/6/bits/shared_ptr_base.h:662
#25 std::__shared_ptr<mir::MainLoop, (__gnu_cxx::_Lock_policy)2>::~__shared_ptr () at /usr/include/c++/6/bits/shared_ptr_base.h:928
#26 std::shared_ptr<mir::MainLoop>::~shared_ptr () at /usr/include/c++/6/bits/shared_ptr.h:93
#27 miral::MirRunner::Self::run_with (this=0x555555857070, options=...) at ./miral/runner.cpp:220
#28 0x000055555556878c in main (argc=<optimized out>, argv=<optimized out>) at ./miral-shell/shell_main.cpp:97
(gdb)