removed some dynamic allocations added since this MR was opened.

formatting.

Author: francis-starlab

mythril/src/error.rs

@@ -84,6 +84,7 @@ pub enum Error {
     InvalidDevice,
     NotImplemented,
     DeviceError,
+    MissingDevice,
 }
 
 impl<T: TryFromPrimitive> From<TryFromPrimitiveError<T>> for Error {

mythril/src/vm.rs

@@ -548,9 +548,10 @@ impl VirtualMachine {
                         // Just ignore writes to unknown ports
                         Ok(())
                     }
-                    _ => Err(Error::MissingDevice(
-                        "Unable to dispatch event".into(),
-                    )),
+                    _ => {
+                        error!("Unable to dispatch event");
+                        Err(Error::MissingDevice)
+                    }
                 };
             }
         };