warning: unused import: `foo::foo1`
  --> $DIR/use-redundant-issue-78894.rs:44:13
   |
LL |         use foo::foo1;
   |             ^^^^^^^^^
   |
note: the lint level is defined here
  --> $DIR/use-redundant-issue-78894.rs:4:9
   |
LL | #![warn(unused_imports)]
   |         ^^^^^^^^^^^^^^

warning: 1 warning emitted