File: termination-trait-main-i32.stderr

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error[E0277]: `main` has invalid return type `i32`
  --> $DIR/termination-trait-main-i32.rs:1:14
   |
LL | fn main() -> i32 {
   |              ^^^ `main` can only return types that implement `Termination`
   |
   = help: consider using `()`, or a `Result`

error: aborting due to 1 previous error

For more information about this error, try `rustc --explain E0277`.