error: Template file "not_exist.stpl" not found
 --> $DIR/template_not_found.rs:9:19
  |
9 | #[template(path = "not_exist.stpl")]
  |                   ^^^^^^^^^^^^^^^^

error[E0599]: no method named `render_once` found for struct `NotExistTemplate` in the current scope
  --> $DIR/template_not_found.rs:16:51
   |
10 | struct NotExistTemplate {
   | ----------------------- method `render_once` not found for this
...
16 |     println!("{}", NotExistTemplate { var: 1996 }.render_once().unwrap());
   |                                                   ^^^^^^^^^^^ method not found in `NotExistTemplate`
   |
   = help: items from traits can only be used if the trait is implemented and in scope
   = note: the following trait defines an item `render_once`, perhaps you need to implement it:
           candidate #1: `TemplateOnce`