error[E0034]: multiple applicable items in scope --> $DIR/ambiguous.rs:21:7 | LL | t.foo(); | ^^^ multiple `foo` found | note: candidate #1 is defined in an impl of the trait `A` for the type `u8` --> $DIR/ambiguous.rs:8:9 | LL | fn foo(&self) {} | ^^^^^^^^^^^^^ note: candidate #2 is defined in an impl of the trait `B` for the type `u8` --> $DIR/ambiguous.rs:11:9 | LL | fn foo(&self) {} | ^^^^^^^^^^^^^ help: disambiguate the method for candidate #1 | LL | A::foo(&t); | ~~~~~~~~~~ help: disambiguate the method for candidate #2 | LL | B::foo(&t); | ~~~~~~~~~~ error: aborting due to previous error For more information about this error, try `rustc --explain E0034`.