Segfault Backtrace.

#0  0x00007feabc8e1924 in rt.deh_win64_posix.terminate() () from /lib/libphobos2.so.0.66
#1  0x00007feabc8e1af1 in _d_throwc () from /lib/libphobos2.so.0.66
#2  0x00007feabc8cdca1 in gc.gc.GC.mallocNoSync() () from /lib/libphobos2.so.0.66
#3  0x00007feabc8cdc15 in gc.gc.GC.malloc() () from /lib/libphobos2.so.0.66
#4  0x00007feabc8d3470 in gc_malloc () from /lib/libphobos2.so.0.66
#5  0x00007feabc8e2675 in _d_newclass () from /lib/libphobos2.so.0.66
#6  0x00007feabc8e414f in rt_finalize2 () from /lib/libphobos2.so.0.66
#7  0x00007feabc8d1275 in gc.gc.Gcx.fullcollect() () from /lib/libphobos2.so.0.66
#8  0x00007feabc8d0294 in gc.gc.Gcx.bigAlloc() () from /lib/libphobos2.so.0.66
#9  0x00007feabc8cddf1 in gc.gc.GC.mallocNoSync() () from /lib/libphobos2.so.0.66
#10 0x00007feabc8cdc15 in gc.gc.GC.malloc() () from /lib/libphobos2.so.0.66
#11 0x00007feabc8d3470 in gc_malloc () from /lib/libphobos2.so.0.66
#12 0x00007feabc8e25fa in _d_allocmemory () from /lib/libphobos2.so.0.66
#13 0x00007feabcc69097 in std.concurrency.Message.__T6__ctorTS3std11concurrency3TidTAyaTG65536kZ.__ctor() () from /usr/lib/libv5camera.so
#14 0x00007feabcc69065 in std.concurrency.__T5_sendTS3std11concurrency3TidTAyaTG65536kZ._send() () from /usr/lib/libv5camera.so
#15 0x00007feabcc69023 in std.concurrency.__T5_sendTS3std11concurrency3TidTAyaTG65536kZ._send() () from /usr/lib/libv5camera.so
#16 0x00007feabcc68f34 in std.variant.__T8VariantNVmi32Z.VariantN.__T3getTS3std8typecons19__T5TupleTAyaTiTPaZ5TupleZ.get() ()
   from /usr/lib/libv5camera.so
#17 0x00007feabcc68ec8 in std.variant.__T8VariantNVmi32Z.VariantN.__T3getTS3std8typecons19__T5TupleTAyaTiTPaZ5TupleZ.get() ()
   from /usr/lib/libv5camera.so
#18 0x00007feabcc68e75 in std.concurrency.Message.__T3mapTDFNbNiAyaiPaZvZ.map() () from /usr/lib/libv5camera.so
#19 0x00007feabcc6d4b6 in marscamera_c_interface._upload_image() () from /usr/lib/libv5camera.so
#20 0x00007feabcf62af4 in mars_cameraLoadConfig (self=<optimized out>, args=<optimized out>) at marsmodule_d.c:125