bot: show fatal error in logs

edmond/bot.py

@@ -118,8 +118,8 @@ class Bot(irc.client.SimpleIRCClient, Logger):
             self.start()
         except KeyboardInterrupt:
             self.log_i("Caught keyboard interrupt.")
-        except:  # Yes, I know, who are you going to call?
-            self.log_i("Caught unhandled exception.")
+        except Exception as exc:  # Yes, I know, who are you going to call?
+            self.log_c(f"Caught unhandled exception: {exc}")
         finally:
             self.cleanup()