error: module has the same name as its containing module
 --> $DIR/module_inception.rs:7:9
  |
7 | /         mod bar {
8 | |             mod foo {}
9 | |         }
  | |_________^
  |
note: lint level defined here
 --> $DIR/module_inception.rs:3:9
  |
3 | #![deny(module_inception)]
  |         ^^^^^^^^^^^^^^^^

error: module has the same name as its containing module
  --> $DIR/module_inception.rs:12:5
   |
12 | /     mod foo {
13 | |         mod bar {}
14 | |     }
   | |_____^

error: aborting due to 2 previous errors