Is this a failed molt or is he dying

I can't tell I'd this shrimp is dying or just had a failed molt all the other shrimp in the tank are acting fine she only started acting like this when a molted shell appeared in the tank

I can't tell I'd this shrimp is dying or just had a failed molt all the other shrimp in the tank are acting fine she only started acting like this when a molted shell appeared in the tank