error: missing code example in this documentation
  --> $DIR/lint-missing-doc-code-example.rs:20:1
   |
LL | pub mod module1 {
   | ^^^^^^^^^^^^^^^
   |
note: the lint level is defined here
  --> $DIR/lint-missing-doc-code-example.rs:3:9
   |
LL | #![deny(rustdoc::missing_doc_code_examples)]
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: missing code example in this documentation
  --> $DIR/lint-missing-doc-code-example.rs:38:3
   |
LL |   /// doc
   |   ^^^^^^^

error: missing code example in this documentation
  --> $DIR/lint-missing-doc-code-example.rs:50:1
   |
LL | /// Doc
   | ^^^^^^^

error: missing code example in this documentation
  --> $DIR/lint-missing-doc-code-example.rs:57:1
   |
LL | /// Doc
   | ^^^^^^^

error: missing code example in this documentation
  --> $DIR/lint-missing-doc-code-example.rs:64:1
   |
LL | /// Doc
   | ^^^^^^^

error: aborting due to 5 previous errors