Solved by ptrblck in post #4 
              
              
                No, PyTorch uses the official cudnn release and either links it dynamically or statically. 
Note that you are using the runtime container, so nvcc isn’t installed either: 
root@f79b17da2a55:/workspace# nvcc --version
bash: nvcc: command not found

Also, the lib path is also empty: 
root@f79b17da2a5…