I'm using GDNative fairly extensively in my project, as the pathfinding model I'm using (my own version of all-pairs-shortest-path) needs to be as fast as possible and I decided using C++ would help with that. I only recently realised that I could build and test the code at the same time by simply pressing F5 in VSCode, running SCons and then immediately running the game with the new native code, allowing me to develop it much more easily. While this is mostly fine, two errors/warnings are constantly appearing in the output: 
I've spent several hours searching through the forums a similar question has appeared on before, and have found that no-one else's solution works for my problem. Also, as far as I can tell, the others with this problem were getting it while running their project in Godot, whereas my problem only occurs while running it in VSCode.
Does anyone have any idea of how I could fix this, or what the issue might be?
Thanks in advance, Dominic
Edit: I'm using Ubuntu by the way.