Same issue in following link
The new project which include objective c and swift class run on Simulator 9.3/Xcode10.2
It will crash and show "dyld: Library not loaded: /usr/lib/libauto.dylib"
>Run old project on simulator 9.3 in Xcode 10.2
Is that project using legacy or new build system?
If new bs, I would toggle to legacy, then option-clean the build folder and try again.