Trail ruins not be able to generate in the world after recent change to trail ruins

Expected result : 

The /locate command should be able to display the location of nearest trail ruins.

Observed result : 

Trail ruins cannot be found by the /locate command, or trail ruins do not generate at all

 

This is the first time I make the bug report at here, I hope the developers can help me to address the issue or make any corrections to any mistakes that I may missed out.

 

Below is the attachment of my world to test the issue.

How to reproduce : 

1. Create a new creative world in the latest beta or latest full release
2. Use /locate command to locate the structure
3. Observe the output given by the command