Is this a bug in HiveOS or something wrong with GPU?
ERROR as follows:
Unable to enum CUDA GPUs: no CUDA capable device is detected
No OpenCL platforms found
No available GPUs for mining. Please check your drivers and/or hardware.
What image are you using for RX 5700 ?
RX 5700 currecnly works only on Beta image (kernel 5.0.21-hiveos-beta with AMD drivers 19.30)
You use stable release which not support RX 5x00 from the box. Currently only Beta image supports Navi.