error: module has the same name as its containing module --> $DIR/module_inception.rs:7:9 | 7 | / mod bar { 8 | | mod foo {} 9 | | } | |_________^ | = note: `-D module-inception` implied by `-D warnings` error: module has the same name as its containing module --> $DIR/module_inception.rs:12:5 | 12 | / mod foo { 13 | | mod bar {} 14 | | } | |_____^