warning: unused import: `crate::m::Tr1 as _`
  --> $DIR/basic.rs:26:9
   |
LL |     use crate::m::Tr1 as _;
   |         ^^^^^^^^^^^^^^^^^^
   |
note: the lint level is defined here
  --> $DIR/basic.rs:4:9
   |
LL | #![warn(unused_imports, unused_extern_crates)]
   |         ^^^^^^^^^^^^^^

warning: unused import: `crate::S as _`
  --> $DIR/basic.rs:27:9
   |
LL |     use crate::S as _;
   |         ^^^^^^^^^^^^^

warning: 2 warnings emitted