error: Unable to find interface. Please add a '#[shaku(interface = <your trait>)]'
 --> $DIR/no_interface_attribute.rs:9:8
  |
9 | struct ComponentImpl;
  |        ^^^^^^^^^^^^^

error: Unable to find interface. Please add a '#[shaku(interface = <your trait>)]'
  --> $DIR/no_interface_attribute.rs:13:8
   |
13 | struct ProviderImpl;
   |        ^^^^^^^^^^^^