error: missing code example in this documentation
  --> $DIR/lint-missing-doc-code-example.rs:19:1
   |
LL | / mod module1 {
LL | | }
   | |_^
   |
note: the lint level is defined here
  --> $DIR/lint-missing-doc-code-example.rs:2:9
   |
LL | #![deny(missing_doc_code_examples)]
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^

error: missing code example in this documentation
  --> $DIR/lint-missing-doc-code-example.rs:37:3
   |
LL |   /// doc
   |   ^^^^^^^

error: aborting due to 2 previous errors