error: expected item after doc comment
  --> $DIR/doc-before-mod-rbrace.rs:13:5
   |
LL |     /// document
   |     ^^^^^^^^^^^^

error[E0601]: `main` function not found in crate `doc_before_mod_rbrace`
   |
   = note: consider adding a `main` function to `$DIR/doc-before-mod-rbrace.rs`

error: aborting due to 2 previous errors

For more information about this error, try `rustc --explain E0601`.