error[E0599]: no method named `abc` found for struct `S` in the current scope
  --> $DIR/use-placement-typeck.rs:11:7
   |
LL |     s.abc();
   |       ^^^ method not found in `S`
...
LL |         fn abc(&self) {}
   |            --- the method is available for `S` here
LL |     }
LL |     pub struct S;
   |     ------------ method `abc` not found for this struct
   |
   = help: items from traits can only be used if the trait is in scope
help: the following trait is implemented but not in scope; perhaps add a `use` for it:
   |
LL | use m::Foo;
   |

error: aborting due to previous error

For more information about this error, try `rustc --explain E0599`.