src/test/ui/impl-trait/explicit-generic-args-with-impl-trait/feature-gate.stderr

   1 error[E0632]: cannot provide explicit generic arguments when `impl Trait` is used in argument position
   2   --> $DIR/feature-gate.rs:6:11
   3    |
   4 LL |     foo::<str>("".to_string());
   5    |           ^^^ explicit generic argument not allowed
   6
   7 error: aborting due to previous error
   8
   9 For more information about this error, try `rustc --explain E0632`.