How to compare two dockers from docker hub

[sscien]

Expected behavior

Actual behavior

ERRO[0000] error retrieving image docker.server.com/informationsea/msisensor: retrieving remote image: Get "https://docker.server.com/v2/": dial tcp: lookup docker.server.com on 10.39.49.3:53: no such host
error retrieving image docker.server.com/songyizhe/msisensor: retrieving remote image: Get "https://docker.server.com/v2/": dial tcp: lookup docker.server.com on 10.39.49.3:53: no such host

Information

• container-diff version: version...
• Operating system: ...

Steps to reproduce the behavior

1. container-diff diff docker.server.com/informationsea/msisensor docker.server.com/dceoy/msisensor
2. container-diff diff docker.server.com:5000/informationsea/msisensor docker.server.com:dceoy/songyizhe/msisensor