error[E0271]: type mismatch resolving `<TestService as Handler<Ping>>::Returns == Ping`
  --> tests/ui_fail/make_registry_type_mismatch.rs:45:1
   |
45 | / make_registry! {
46 | |     TestService: [
47 | |         Ping => (Ping, NoopError),
48 | |     ]
49 | | }
   | |_^ type mismatch resolving `<TestService as Handler<Ping>>::Returns == Ping`
   |
note: expected this to be `Ping`
  --> tests/ui_fail/make_registry_type_mismatch.rs:31:20
   |
31 |     type Returns = Pong;
   |                    ^^^^
note: required by a bound in `assert_handler_type`
  --> tests/ui_fail/make_registry_type_mismatch.rs:45:1
   |
45 | / make_registry! {
46 | |     TestService: [
47 | |         Ping => (Ping, NoopError),
48 | |     ]
49 | | }
   | |_^ required by this bound in `assert_handler_type`
   = note: this error originates in the macro `make_registry` (in Nightly builds, run with -Z macro-backtrace for more info)
