Strange Godot Editor Crash 3.1 Beta 2 with Mono on Ubuntu 18.04

crash.txt

Godot 3.1 Beta 3 Mono:

OpenGL ES 3.0 Renderer: GeForce GTX 770/PCIe/SSE2
Editing project: /home/aaronfranke/workspace/SpaceStation (::home::aaronfranke::workspace::SpaceStation)
OpenGL ES 3.0 Renderer: GeForce GTX 770/PCIe/SSE2
Running: /home/aaronfranke/Documents/Godot/3.1-mono/Godot --path /home/aaronfranke/workspace/SpaceStation --remote-debug 127.0.0.1:6007 --allow_focus_steal_pid 26201 --debug-collisions --position 160,90
OpenGL ES 3.0 Renderer: GeForce GTX 770/PCIe/SSE2
Stacktrace:

  at <unknown> <0xffffffff>
  at (wrapper managed-to-native) Godot.Object.godot_icall_Reference_Disposed (Godot.Object,intptr,bool) [0x00009] in <f43187e6c2dd4573bcb811e08d5afbda>:0
  at Godot.Object.Dispose (bool) [0x0002a] in /home/aaronfranke/.local/share/godot/mono/solutions/14562191214292874871_6_1548516430/GodotSharp/Core/Object.base.cs:57
  at Godot.Object.Finalize () [0x00000] in /home/aaronfranke/.local/share/godot/mono/solutions/14562191214292874871_6_1548516430/GodotSharp/Core/Object.base.cs:38
  at (wrapper runtime-invoke) object.runtime_invoke_virtual_void__this__ (object,intptr,intptr,intptr) [0x0001f] in <c6a2acbd92134eb789822df70cec4630>:0
/proc/self/maps:
00400000-04180000 r-xp 00000000 08:15 3026349                            /home/aaronfranke/Documents/Godot/3.1-mono/Godot
04380000-0444c000 r--p 03d80000 08:15 3026349                            /home/aaronfranke/Documents/Godot/3.1-mono/Godot
0444c000-04466000 rw-p 03e4c000 08:15 3026349                            /home/aaronfranke/Documents/Godot/3.1-mono/Godot
04466000-04497000 rw-p 00000000 00:00 0 
05bab000-2ed60000 rw-p 00000000 00:00 0                                  [heap]
4109b000-410ab000 rwxp 00000000 00:00 0 
415ee000-415fe000 rwxp 00000000 00:00 0 
41629000-4162b000 r-xs 00000000 08:15 2752767                            /tmp/.glRrBMqb (deleted)
41ae7000-41b99000 rw-p 00000000 00:00 0 
41db0000-41dc0000 rwxp 00000000 00:00 0 
41e50000-41ee5000 rwxp 00000000 00:00 0 
7ffa28000000-7ffa28021000 rw-p 00000000 00:00 0 
7ffa28021000-7ffa2c000000 ---p 00000000 00:00 0 
7ffa2c000000-7ffa2c021000 rw-p 00000000 00:00 0 
7ffa2c021000-7ffa30000000 ---p 00000000 00:00 0 
7ffa30000000-7ffa30021000 rw-p 00000000 00:00 0 
7ffa30021000-7ffa34000000 ---p 00000000 00:00 0 
7ffa34000000-7ffa34021000 rw-p 00000000 00:00 0 
7ffa34021000-7ffa38000000 ---p 00000000 00:00 0 
7ffa38000000-7ffa38062000 rw-p 00000000 00:00 0 
7ffa38062000-7ffa3c000000 ---p 00000000 00:00 0 
7ffa3fd96000-7ffa40196000 rw-s 00000000 00:06 513                        /dev/nvidiactl
7ffa40196000-7ffa40596000 rw-s 00000000 00:06 513                        /dev/nvidiactl
7ffa44000000-7ffa44021000 rw-p 00000000 00:00 0 
7ffa44021000-7ffa48000000 ---p 00000000 00:00 0 

Unhandled Exception:
System.NullReferenceException: Object reference not set to an instance of an object
  at (wrapper managed-to-native) Godot.Object.godot_icall_Reference_Disposed(Godot.Object,intptr,bool)
  at Godot.Object.Dispose (System.Boolean disposing) [0x0002a] in /home/aaronfranke/.local/share/godot/mono/solutions/14562191214292874871_6_1548516430/GodotSharp/Core/Object.base.cs:57 
  at Godot.Object.Finalize () [0x00000] in /home/aaronfranke/.local/share/godot/mono/solutions/14562191214292874871_6_1548516430/GodotSharp/Core/Object.base.cs:38 





Godot 3.1 Beta 2 Mono:

OpenGL ES 3.0 Renderer: GeForce GTX 770/PCIe/SSE2
Editing project: /home/aaronfranke/workspace/SpaceStation (::home::aaronfranke::workspace::SpaceStation)
OpenGL ES 3.0 Renderer: GeForce GTX 770/PCIe/SSE2
Running: /home/aaronfranke/Documents/Godot/3.1-mono/Godot --path /home/aaronfranke/workspace/SpaceStation --remote-debug 127.0.0.1:6007 --allow_focus_steal_pid 25917 --debug-collisions --position 160,90
OpenGL ES 3.0 Renderer: GeForce GTX 770/PCIe/SSE2
Stacktrace:

  at <unknown> <0xffffffff>
  at (wrapper managed-to-native) Godot.Object.godot_icall_Reference_Disposed (Godot.Object,intptr,bool) [0x00009] in <956f4782154f4fa4a1757c938a65d697>:0
  at Godot.Object.Dispose (bool) [0x0002a] in /home/aaronfranke/.local/share/godot/mono/solutions/16777488613870488499_5_1547763121/GodotSharp/Core/Object.base.cs:57
  at Godot.Object.Finalize () [0x00000] in /home/aaronfranke/.local/share/godot/mono/solutions/16777488613870488499_5_1547763121/GodotSharp/Core/Object.base.cs:38
  at (wrapper runtime-invoke) object.runtime_invoke_virtual_void__this__ (object,intptr,intptr,intptr) [0x0001f] in <c6a2acbd92134eb789822df70cec4630>:0
/proc/self/maps:
00400000-0415d000 r-xp 00000000 08:15 924536                             /home/aaronfranke/Documents/Godot/3.1-mono/Godot
0435c000-04428000 r--p 03d5c000 08:15 924536                             /home/aaronfranke/Documents/Godot/3.1-mono/Godot
04428000-04442000 rw-p 03e28000 08:15 924536                             /home/aaronfranke/Documents/Godot/3.1-mono/Godot
04442000-04473000 rw-p 00000000 00:00 0 
056b8000-2e406000 rw-p 00000000 00:00 0                                  [heap]
404e4000-404f4000 rwxp 00000000 00:00 0 
4094b000-4094d000 r-xs 00000000 08:15 2764199                            /tmp/.glgx6JQ5 (deleted)
40b86000-40b96000 rwxp 00000000 00:00 0 
40f97000-41049000 rw-p 00000000 00:00 0 
4149b000-414ab000 rwxp 00000000 00:00 0 
41f0e000-41fa3000 rwxp 00000000 00:00 0 
7f1414000000-7f1414021000 rw-p 00000000 00:00 0 
7f1414021000-7f1418000000 ---p 00000000 00:00 0 
7f141c000000-7f141c021000 rw-p 00000000 00:00 0 
7f141c021000-7f1420000000 ---p 00000000 00:00 0 
7f1420000000-7f1420021000 rw-p 00000000 00:00 0 
7f1420021000-7f1424000000 ---p 00000000 00:00 0 
7f1424000000-7f1424066000 rw-p 00000000 00:00 0 
7f1424066000-7f1428000000 ---p 00000000 00:00 0 
7f1428000000-7f1428021000 rw-p 00000000 00:00 0 
7f1428021000-7f142c000000 ---p 00000000 00:00 0 
7f142c000000-7f142c021000 rw-p 00000000 00:00 0 
7f142c021000-7f1430000000 ---p 00000000 00:00 0 
7f1430b99000-7f1430f99000 rw-s 00000000 00:06 486                        /dev/nvidiactl
7f1430f99000-7f1431399000 rw-s 00000000 00:06 486                        /dev/nvidiactl

Unhandled Exception:
System.NullReferenceException: Object reference not set to an instance of an object
  at (wrapper managed-to-native) Godot.Object.godot_icall_Reference_Disposed(Godot.Object,intptr,bool)
  at Godot.Object.Dispose (System.Boolean disposing) [0x0002a] in /home/aaronfranke/.local/share/godot/mono/solutions/16777488613870488499_5_1547763121/GodotSharp/Core/Object.base.cs:57 
  at Godot.Object.Finalize () [0x00000] in /home/aaronfranke/.local/share/godot/mono/solutions/16777488613870488499_5_1547763121/GodotSharp/Core/Object.base.cs:38 
Game FPS: 2
WARNING: _notification: World already has an environment (Another WorldEnvironment?), overriding.
   At: scene/3d/scenario_fx.cpp:40.
debugger-agent: Unable to listen on 28