error: expected one of `!` or `::`, found `parser`
  --> $DIR/mod.rs:1:6
   |
LL | mode parser;
   |      ^^^^^^ expected one of `!` or `::`
   |
help: there is a keyword `mod` with a similar name
   |
LL | mod parser;
   | ~~~

error: aborting due to 1 previous error