error: expected attribute arguments in parentheses: #[input(...)]
 --> tests/fail/input.rs:7:7
  |
7 |     #[input]
  |       ^^^^^

error: cannot find attribute `abc` in this scope
 --> tests/fail/input.rs:5:7
  |
5 |     #[abc]
  |       ^^^

error[E0599]: no function or associated item named `asker` found for struct `User` in the current scope
  --> tests/fail/input.rs:14:26
   |
4  | struct User {
   | ----------- function or associated item `asker` not found for this struct
...
14 |     let mut user = User::asker();
   |                          ^^^^^ function or associated item not found in `User`