compiler/rustc_error_codes/src/error_codes/E0136.md

   1 More than one `main` function was found.
   2
   3 Erroneous code example:
   4
   5 ```compile_fail,E0136
   6 fn main() {
   7     // ...
   8 }
   9
  10 // ...
  11
  12 fn main() { // error!
  13     // ...
  14 }
  15 ```
  16
  17 A binary can only have one entry point, and by default that entry point is the
  18 `main()` function. If there are multiple instances of this function, please
  19 rename one of them.