print errors better

src/runner/runner.rs

@@ -16,8 +16,8 @@ pub enum Error{
 impl std::fmt::Display for Error{
 	fn fmt(&self,f:&mut std::fmt::Formatter<'_>)->std::fmt::Result{
 		match self{
-			Self::Lua{source,error:mlua::Error::RuntimeError(s)}=>write!(f,"lua error: {s}\nsource:{source}"),
-			Self::RustLua(mlua::Error::RuntimeError(s))=>write!(f,"rust-side lua error: {s}"),
+			Self::Lua{source,error}=>write!(f,"lua error: source:\n{source}\n{error}"),
+			Self::RustLua(error)=>write!(f,"rust-side lua error: {error}"),
 			other=>write!(f,"{other:?}"),
 		}
 	}