Error: EXDEV: cross-device link not permitted, rename 'node_trace.1.log'

I am running node-RED as an embedded app to profile some flows with clinic.JS. On occasion I get this node_trace.1.log file appear in the folder root of the script I am running.

Just wondering if anybody has an insight into this. It is something that I have not encountered before whilst running node-RED.

I think it is the trace log from Clinic.JS if I exit the process I am running with a SIGINT via docker exec the file remains on the server, not sure yet.