Thanks for the logs
I want to get to the bottom of the "can't close" error...
Can you try this beta? It should log an ERROR with "Attempted close at" then a backtrace.
Can you paste one of the backtraces (assuming that it does work!)
https://beta.rclone.org/branch/v1.49.0-041-g6ade4a26-fix-already-closed-beta/ (uploaded in 15-30 mins)