error: module has the same name as its containing module
 --> $DIR/module_inception.rs:7:9
  |
7 |           mod bar {
  |  _________^ starting here...
8 | |             mod foo {}
9 | |         }
  | |_________^ ...ending here
  |
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 {
   |  _____^ starting here...
13 | |         mod bar {}
14 | |     }
   | |_____^ ...ending here

error: aborting due to 2 previous errors