CUDA 10.1 installation on Ubuntu 18.04 does not detect installed driver version

$ sudo bash cuda_10.1.105_418.39_linux.run 
===========
= Summary =
===========

Driver:   Not Selected
Toolkit:  Installed in /usr/local/cuda-10.1/
Samples:  Installed in /home/tom/

Please make sure that
 -   PATH includes /usr/local/cuda-10.1/bin
 -   LD_LIBRARY_PATH includes /usr/local/cuda-10.1/lib64, or, add /usr/local/cuda-10.1/lib64 to /etc/ld.so.conf and run ldconfig as root

To uninstall the CUDA Toolkit, run cuda-uninstaller in /usr/local/cuda-10.1/bin

Please see CUDA_Installation_Guide_Linux.pdf in /usr/local/cuda-10.1/doc/pdf for detailed information on setting up CUDA.
***WARNING: Incomplete installation! This installation did not install the CUDA Driver. A driver of version at least 418.00 is required for CUDA 10.1 functionality to work.
To install the driver using this installer, run the following command, replacing <CudaInstaller> with the name of this run file:
    sudo <CudaInstaller>.run --silent --driver

Logfile is /var/log/cuda-installer.log
$ nvidia-smi
Mon Apr 29 22:35:43 2019       
+-----------------------------------------------------------------------------+
| NVIDIA-SMI 418.56       Driver Version: 418.56       CUDA Version: 10.1     |
|-------------------------------+----------------------+----------------------+
| GPU  Name        Persistence-M| Bus-Id        Disp.A | Volatile Uncorr. ECC |
| Fan  Temp  Perf  Pwr:Usage/Cap|         Memory-Usage | GPU-Util  Compute M. |
|===============================+======================+======================|
|   0  GeForce RTX 2060    Off  | 00000000:1F:00.0  On |                  N/A |
| 25%   37C    P8    10W / 160W |    347MiB /  5901MiB |      4%      Default |
+-------------------------------+----------------------+----------------------+
                                                                               
+-----------------------------------------------------------------------------+
| Processes:                                                       GPU Memory |
|  GPU       PID   Type   Process name                             Usage      |
|=============================================================================|
|    0      1221      G   /usr/lib/xorg/Xorg                            18MiB |
|    0      1250      G   /usr/bin/gnome-shell                          51MiB |
|    0      1585      G   /usr/lib/xorg/Xorg                           126MiB |
|    0      1715      G   /usr/bin/gnome-shell                          76MiB |
|    0      3993      G   ...quest-channel-token=4060387737626309356    72MiB |
+-----------------------------------------------------------------------------+

I assumed that I don’t want to use the included driver because that version is not listed for my GPU – rather I’m using the newest official driver. I’m still like 98% sure that 418.56 > 418.00, but I would appreciate some help all the same.

Thanks!

What happens when you try to compile a small CUDA program?