Thanks for clarifying.

Could the crusher be made to ignore signals that do not represent unambiguous recipes it can craft?

As of 2.1.14, metallic chunk and oxide chunk set recipe to carbonic reprocessing. Carbonic chunk maps to metallic reprocessing. No chunk maps to oxide reprocessing. Was this ...

In 2.0.77, Crusher Set Recipe with a signal of <type> Asteroid Chunk resulted in <type> Asteroid Crushing .
In 2.1.14, the same signals result in Asteroid Reprocessing for a completely unrelated type of asteroid.

This breaks builds such as https://www.factoriocodex.com/blueprints/247.

Minimized ...

I attempted to start the docker image on a clean filesystem by copy-pasting the example command from https://hub.docker.com/r/factoriotools/factorio.

Server fails to start with a smoking gun:
sudo rm -rf /opt/factorio && \
sudo mkdir -p /opt/factorio && \
sudo chown 845:845 /opt/factorio && \
sudo ...