diff --git a/core/codegen/tests/ui-fail-nightly/responder-types.stderr b/core/codegen/tests/ui-fail-nightly/responder-types.stderr
index fd26ecfe..58956ef8 100644
--- a/core/codegen/tests/ui-fail-nightly/responder-types.stderr
+++ b/core/codegen/tests/ui-fail-nightly/responder-types.stderr
@@ -1,8 +1,8 @@
 error[E0277]: the trait bound `u8: Responder<'_, '_>` is not satisfied
- --> tests/ui-fail-nightly/responder-types.rs:5:5
+ --> tests/ui-fail-nightly/responder-types.rs:5:12
   |
 5 |     thing: u8,
-  |     ^^^^^^^^^ the trait `Responder<'_, '_>` is not implemented for `u8`
+  |            ^^ the trait `Responder<'_, '_>` is not implemented for `u8`
   |
   = help: the following other types implement trait `Responder<'r, 'o>`:
             <Thing1 as Responder<'r, 'o>>
@@ -39,10 +39,10 @@ note: required by a bound in `rocket::Response::<'r>::set_header`
    |                                  ^^^^^^^^^^^^^^^^ required by this bound in `Response::<'r>::set_header`
 
 error[E0277]: the trait bound `u8: Responder<'_, '_>` is not satisfied
-  --> tests/ui-fail-nightly/responder-types.rs:16:5
+  --> tests/ui-fail-nightly/responder-types.rs:16:12
    |
 16 |     thing: u8,
-   |     ^^^^^^^^^ the trait `Responder<'_, '_>` is not implemented for `u8`
+   |            ^^ the trait `Responder<'_, '_>` is not implemented for `u8`
    |
    = help: the following other types implement trait `Responder<'r, 'o>`:
              <Thing1 as Responder<'r, 'o>>
diff --git a/core/codegen/tests/ui-fail-nightly/typed-uri-bad-type.stderr b/core/codegen/tests/ui-fail-nightly/typed-uri-bad-type.stderr
index 2e47e904..c54e50fd 100644
--- a/core/codegen/tests/ui-fail-nightly/typed-uri-bad-type.stderr
+++ b/core/codegen/tests/ui-fail-nightly/typed-uri-bad-type.stderr
@@ -11,10 +11,10 @@ error[E0271]: type mismatch resolving `<String as FromParam<'_>>::Error == &str`
    |                                     ^^^^^^^^^^^^^^^^^^^^ expected `&str`, found `Empty`
 
 error[E0277]: the trait bound `usize: FromUriParam<rocket::http::uri::fmt::Path, &str>` is not satisfied
-  --> tests/ui-fail-nightly/typed-uri-bad-type.rs:45:22
+  --> tests/ui-fail-nightly/typed-uri-bad-type.rs:45:5
    |
 45 |     uri!(simple(id = "hi"));
-   |                      ^^^^ the trait `FromUriParam<rocket::http::uri::fmt::Path, &str>` is not implemented for `usize`
+   |     ^^^^^^^^^^^^^^^^^^^^^^^ the trait `FromUriParam<rocket::http::uri::fmt::Path, &str>` is not implemented for `usize`
    |
    = help: the following other types implement trait `FromUriParam<P, T>`:
              <usize as FromUriParam<P, usize>>
@@ -22,10 +22,10 @@ error[E0277]: the trait bound `usize: FromUriParam<rocket::http::uri::fmt::Path,
              <usize as FromUriParam<P, &'x mut usize>>
 
 error[E0277]: the trait bound `usize: FromUriParam<rocket::http::uri::fmt::Path, &str>` is not satisfied
-  --> tests/ui-fail-nightly/typed-uri-bad-type.rs:47:17
+  --> tests/ui-fail-nightly/typed-uri-bad-type.rs:47:5
    |
 47 |     uri!(simple("hello"));
-   |                 ^^^^^^^ the trait `FromUriParam<rocket::http::uri::fmt::Path, &str>` is not implemented for `usize`
+   |     ^^^^^^^^^^^^^^^^^^^^^ the trait `FromUriParam<rocket::http::uri::fmt::Path, &str>` is not implemented for `usize`
    |
    = help: the following other types implement trait `FromUriParam<P, T>`:
              <usize as FromUriParam<P, usize>>
@@ -33,16 +33,33 @@ error[E0277]: the trait bound `usize: FromUriParam<rocket::http::uri::fmt::Path,
              <usize as FromUriParam<P, &'x mut usize>>
 
 error[E0277]: the trait bound `usize: FromUriParam<rocket::http::uri::fmt::Path, i64>` is not satisfied
-  --> tests/ui-fail-nightly/typed-uri-bad-type.rs:49:22
+  --> tests/ui-fail-nightly/typed-uri-bad-type.rs:49:5
    |
 49 |     uri!(simple(id = 239239i64));
-   |                      ^^^^^^^^^ the trait `FromUriParam<rocket::http::uri::fmt::Path, i64>` is not implemented for `usize`
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `FromUriParam<rocket::http::uri::fmt::Path, i64>` is not implemented for `usize`
    |
    = help: the following other types implement trait `FromUriParam<P, T>`:
              <usize as FromUriParam<P, usize>>
              <usize as FromUriParam<P, &'x usize>>
              <usize as FromUriParam<P, &'x mut usize>>
 
+error[E0277]: the trait bound `S: FromUriParam<rocket::http::uri::fmt::Path, _>` is not satisfied
+  --> tests/ui-fail-nightly/typed-uri-bad-type.rs:51:5
+   |
+51 |     uri!(not_uri_display(10, S));
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `FromUriParam<rocket::http::uri::fmt::Path, _>` is not implemented for `S`
+   |
+   = help: the following other types implement trait `FromUriParam<P, T>`:
+             <bool as FromUriParam<P, bool>>
+             <bool as FromUriParam<P, &'x bool>>
+             <bool as FromUriParam<P, &'x mut bool>>
+             <isize as FromUriParam<P, isize>>
+             <isize as FromUriParam<P, &'x isize>>
+             <isize as FromUriParam<P, &'x mut isize>>
+             <i8 as FromUriParam<P, i8>>
+             <i8 as FromUriParam<P, &'x i8>>
+           and $N others
+
 error[E0277]: the trait bound `S: FromUriParam<rocket::http::uri::fmt::Path, _>` is not satisfied
   --> tests/ui-fail-nightly/typed-uri-bad-type.rs:51:30
    |
@@ -61,10 +78,10 @@ error[E0277]: the trait bound `S: FromUriParam<rocket::http::uri::fmt::Path, _>`
            and $N others
 
 error[E0277]: the trait bound `i32: FromUriParam<rocket::http::uri::fmt::Path, std::option::Option<{integer}>>` is not satisfied
-  --> tests/ui-fail-nightly/typed-uri-bad-type.rs:56:25
+  --> tests/ui-fail-nightly/typed-uri-bad-type.rs:56:5
    |
 56 |     uri!(optionals(id = Some(10), name = Ok("bob".into())));
-   |                         ^^^^^^^^ the trait `FromUriParam<rocket::http::uri::fmt::Path, std::option::Option<{integer}>>` is not implemented for `i32`
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `FromUriParam<rocket::http::uri::fmt::Path, std::option::Option<{integer}>>` is not implemented for `i32`
    |
    = help: the following other types implement trait `FromUriParam<P, T>`:
              <i32 as FromUriParam<P, i32>>
@@ -73,10 +90,10 @@ error[E0277]: the trait bound `i32: FromUriParam<rocket::http::uri::fmt::Path, s
    = note: required for `std::option::Option<i32>` to implement `FromUriParam<rocket::http::uri::fmt::Path, std::option::Option<{integer}>>`
 
 error[E0277]: the trait bound `std::string::String: FromUriParam<rocket::http::uri::fmt::Path, Result<_, _>>` is not satisfied
-  --> tests/ui-fail-nightly/typed-uri-bad-type.rs:56:42
+  --> tests/ui-fail-nightly/typed-uri-bad-type.rs:56:5
    |
 56 |     uri!(optionals(id = Some(10), name = Ok("bob".into())));
-   |                                          ^^^^^^^^^^^^^^^^ the trait `FromUriParam<rocket::http::uri::fmt::Path, Result<_, _>>` is not implemented for `std::string::String`
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `FromUriParam<rocket::http::uri::fmt::Path, Result<_, _>>` is not implemented for `std::string::String`
    |
    = help: the following other types implement trait `FromUriParam<P, T>`:
              <std::string::String as FromUriParam<P, std::string::String>>
@@ -88,10 +105,10 @@ error[E0277]: the trait bound `std::string::String: FromUriParam<rocket::http::u
    = note: required for `Result<std::string::String, &str>` to implement `FromUriParam<rocket::http::uri::fmt::Path, Result<_, _>>`
 
 error[E0277]: the trait bound `isize: FromUriParam<rocket::http::uri::fmt::Query, &str>` is not satisfied
-  --> tests/ui-fail-nightly/typed-uri-bad-type.rs:58:19
+  --> tests/ui-fail-nightly/typed-uri-bad-type.rs:58:5
    |
 58 |     uri!(simple_q("hi"));
-   |                   ^^^^ the trait `FromUriParam<rocket::http::uri::fmt::Query, &str>` is not implemented for `isize`
+   |     ^^^^^^^^^^^^^^^^^^^^ the trait `FromUriParam<rocket::http::uri::fmt::Query, &str>` is not implemented for `isize`
    |
    = help: the following other types implement trait `FromUriParam<P, T>`:
              <isize as FromUriParam<P, isize>>
@@ -99,16 +116,33 @@ error[E0277]: the trait bound `isize: FromUriParam<rocket::http::uri::fmt::Query
              <isize as FromUriParam<P, &'x mut isize>>
 
 error[E0277]: the trait bound `isize: FromUriParam<rocket::http::uri::fmt::Query, &str>` is not satisfied
-  --> tests/ui-fail-nightly/typed-uri-bad-type.rs:60:24
+  --> tests/ui-fail-nightly/typed-uri-bad-type.rs:60:5
    |
 60 |     uri!(simple_q(id = "hi"));
-   |                        ^^^^ the trait `FromUriParam<rocket::http::uri::fmt::Query, &str>` is not implemented for `isize`
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `FromUriParam<rocket::http::uri::fmt::Query, &str>` is not implemented for `isize`
    |
    = help: the following other types implement trait `FromUriParam<P, T>`:
              <isize as FromUriParam<P, isize>>
              <isize as FromUriParam<P, &'x isize>>
              <isize as FromUriParam<P, &'x mut isize>>
 
+error[E0277]: the trait bound `S: FromUriParam<rocket::http::uri::fmt::Query, _>` is not satisfied
+  --> tests/ui-fail-nightly/typed-uri-bad-type.rs:62:5
+   |
+62 |     uri!(other_q(100, S));
+   |     ^^^^^^^^^^^^^^^^^^^^^ the trait `FromUriParam<rocket::http::uri::fmt::Query, _>` is not implemented for `S`
+   |
+   = help: the following other types implement trait `FromUriParam<P, T>`:
+             <bool as FromUriParam<P, bool>>
+             <bool as FromUriParam<P, &'x bool>>
+             <bool as FromUriParam<P, &'x mut bool>>
+             <isize as FromUriParam<P, isize>>
+             <isize as FromUriParam<P, &'x isize>>
+             <isize as FromUriParam<P, &'x mut isize>>
+             <i8 as FromUriParam<P, i8>>
+             <i8 as FromUriParam<P, &'x i8>>
+           and $N others
+
 error[E0277]: the trait bound `S: FromUriParam<rocket::http::uri::fmt::Query, _>` is not satisfied
   --> tests/ui-fail-nightly/typed-uri-bad-type.rs:62:23
    |
@@ -126,6 +160,23 @@ error[E0277]: the trait bound `S: FromUriParam<rocket::http::uri::fmt::Query, _>
              <i8 as FromUriParam<P, &'x i8>>
            and $N others
 
+error[E0277]: the trait bound `S: FromUriParam<rocket::http::uri::fmt::Query, _>` is not satisfied
+  --> tests/ui-fail-nightly/typed-uri-bad-type.rs:64:5
+   |
+64 |     uri!(other_q(rest = S, id = 100));
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `FromUriParam<rocket::http::uri::fmt::Query, _>` is not implemented for `S`
+   |
+   = help: the following other types implement trait `FromUriParam<P, T>`:
+             <bool as FromUriParam<P, bool>>
+             <bool as FromUriParam<P, &'x bool>>
+             <bool as FromUriParam<P, &'x mut bool>>
+             <isize as FromUriParam<P, isize>>
+             <isize as FromUriParam<P, &'x isize>>
+             <isize as FromUriParam<P, &'x mut isize>>
+             <i8 as FromUriParam<P, i8>>
+             <i8 as FromUriParam<P, &'x i8>>
+           and $N others
+
 error[E0277]: the trait bound `S: FromUriParam<rocket::http::uri::fmt::Query, _>` is not satisfied
   --> tests/ui-fail-nightly/typed-uri-bad-type.rs:64:25
    |
@@ -173,6 +224,23 @@ note: required by a bound in `assert_ignorable`
    | pub fn assert_ignorable<P: Part, T: Ignorable<P>>() {  }
    |                                     ^^^^^^^^^^^^ required by this bound in `assert_ignorable`
 
+error[E0277]: the trait bound `S: FromUriParam<rocket::http::uri::fmt::Query, _>` is not satisfied
+  --> tests/ui-fail-nightly/typed-uri-bad-type.rs:68:5
+   |
+68 |     uri!(other_q(rest = S, id = _));
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `FromUriParam<rocket::http::uri::fmt::Query, _>` is not implemented for `S`
+   |
+   = help: the following other types implement trait `FromUriParam<P, T>`:
+             <bool as FromUriParam<P, bool>>
+             <bool as FromUriParam<P, &'x bool>>
+             <bool as FromUriParam<P, &'x mut bool>>
+             <isize as FromUriParam<P, isize>>
+             <isize as FromUriParam<P, &'x isize>>
+             <isize as FromUriParam<P, &'x mut isize>>
+             <i8 as FromUriParam<P, i8>>
+             <i8 as FromUriParam<P, &'x i8>>
+           and $N others
+
 error[E0277]: the trait bound `S: FromUriParam<rocket::http::uri::fmt::Query, _>` is not satisfied
   --> tests/ui-fail-nightly/typed-uri-bad-type.rs:68:25
    |
@@ -191,10 +259,10 @@ error[E0277]: the trait bound `S: FromUriParam<rocket::http::uri::fmt::Query, _>
            and $N others
 
 error[E0277]: the trait bound `usize: FromUriParam<rocket::http::uri::fmt::Path, &str>` is not satisfied
-  --> tests/ui-fail-nightly/typed-uri-bad-type.rs:77:40
+  --> tests/ui-fail-nightly/typed-uri-bad-type.rs:77:5
    |
 77 |     uri!(uri!("?foo#bar"), simple(id = "hi"));
-   |                                        ^^^^ the trait `FromUriParam<rocket::http::uri::fmt::Path, &str>` is not implemented for `usize`
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `FromUriParam<rocket::http::uri::fmt::Path, &str>` is not implemented for `usize`
    |
    = help: the following other types implement trait `FromUriParam<P, T>`:
              <usize as FromUriParam<P, usize>>
@@ -220,10 +288,10 @@ note: required by a bound in `RouteUriBuilder::with_prefix`
    |                           ^^^^^^^^^^^^^^^^ required by this bound in `RouteUriBuilder::with_prefix`
 
 error[E0277]: the trait bound `usize: FromUriParam<rocket::http::uri::fmt::Path, &str>` is not satisfied
-  --> tests/ui-fail-nightly/typed-uri-bad-type.rs:78:33
+  --> tests/ui-fail-nightly/typed-uri-bad-type.rs:78:5
    |
 78 |     uri!(uri!("*"), simple(id = "hi"));
-   |                                 ^^^^ the trait `FromUriParam<rocket::http::uri::fmt::Path, &str>` is not implemented for `usize`
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `FromUriParam<rocket::http::uri::fmt::Path, &str>` is not implemented for `usize`
    |
    = help: the following other types implement trait `FromUriParam<P, T>`:
              <usize as FromUriParam<P, usize>>
@@ -249,10 +317,10 @@ note: required by a bound in `RouteUriBuilder::with_prefix`
    |                           ^^^^^^^^^^^^^^^^ required by this bound in `RouteUriBuilder::with_prefix`
 
 error[E0277]: the trait bound `usize: FromUriParam<rocket::http::uri::fmt::Path, &str>` is not satisfied
-  --> tests/ui-fail-nightly/typed-uri-bad-type.rs:81:25
+  --> tests/ui-fail-nightly/typed-uri-bad-type.rs:81:5
    |
 81 |     uri!(_, simple(id = "hi"), uri!("*"));
-   |                         ^^^^ the trait `FromUriParam<rocket::http::uri::fmt::Path, &str>` is not implemented for `usize`
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `FromUriParam<rocket::http::uri::fmt::Path, &str>` is not implemented for `usize`
    |
    = help: the following other types implement trait `FromUriParam<P, T>`:
              <usize as FromUriParam<P, usize>>
@@ -282,10 +350,10 @@ note: required by a bound in `RouteUriBuilder::with_suffix`
    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `RouteUriBuilder::with_suffix`
 
 error[E0277]: the trait bound `usize: FromUriParam<rocket::http::uri::fmt::Path, &str>` is not satisfied
-  --> tests/ui-fail-nightly/typed-uri-bad-type.rs:82:25
+  --> tests/ui-fail-nightly/typed-uri-bad-type.rs:82:5
    |
 82 |     uri!(_, simple(id = "hi"), uri!("/foo/bar"));
-   |                         ^^^^ the trait `FromUriParam<rocket::http::uri::fmt::Path, &str>` is not implemented for `usize`
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `FromUriParam<rocket::http::uri::fmt::Path, &str>` is not implemented for `usize`
    |
    = help: the following other types implement trait `FromUriParam<P, T>`:
              <usize as FromUriParam<P, usize>>
@@ -313,3 +381,114 @@ note: required by a bound in `RouteUriBuilder::with_suffix`
    |            ----------- required by a bound in this associated function
    |         where S: ValidRouteSuffix<Origin<'static>>
    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `RouteUriBuilder::with_suffix`
+
+error[E0277]: the trait bound `usize: FromUriParam<rocket::http::uri::fmt::Path, &str>` is not satisfied
+  --> tests/ui-fail-nightly/typed-uri-bad-type.rs:45:22
+   |
+45 |     uri!(simple(id = "hi"));
+   |                      ^^^^ the trait `FromUriParam<rocket::http::uri::fmt::Path, &str>` is not implemented for `usize`
+   |
+   = help: the following other types implement trait `FromUriParam<P, T>`:
+             <usize as FromUriParam<P, usize>>
+             <usize as FromUriParam<P, &'x usize>>
+             <usize as FromUriParam<P, &'x mut usize>>
+
+error[E0277]: the trait bound `usize: FromUriParam<rocket::http::uri::fmt::Path, &str>` is not satisfied
+  --> tests/ui-fail-nightly/typed-uri-bad-type.rs:47:17
+   |
+47 |     uri!(simple("hello"));
+   |                 ^^^^^^^ the trait `FromUriParam<rocket::http::uri::fmt::Path, &str>` is not implemented for `usize`
+   |
+   = help: the following other types implement trait `FromUriParam<P, T>`:
+             <usize as FromUriParam<P, usize>>
+             <usize as FromUriParam<P, &'x usize>>
+             <usize as FromUriParam<P, &'x mut usize>>
+
+error[E0277]: the trait bound `usize: FromUriParam<rocket::http::uri::fmt::Path, i64>` is not satisfied
+  --> tests/ui-fail-nightly/typed-uri-bad-type.rs:49:22
+   |
+49 |     uri!(simple(id = 239239i64));
+   |                      ^^^^^^^^^ the trait `FromUriParam<rocket::http::uri::fmt::Path, i64>` is not implemented for `usize`
+   |
+   = help: the following other types implement trait `FromUriParam<P, T>`:
+             <usize as FromUriParam<P, usize>>
+             <usize as FromUriParam<P, &'x usize>>
+             <usize as FromUriParam<P, &'x mut usize>>
+
+error[E0277]: the trait bound `i32: FromUriParam<rocket::http::uri::fmt::Path, std::option::Option<{integer}>>` is not satisfied
+  --> tests/ui-fail-nightly/typed-uri-bad-type.rs:56:25
+   |
+56 |     uri!(optionals(id = Some(10), name = Ok("bob".into())));
+   |                         ^^^^^^^^ the trait `FromUriParam<rocket::http::uri::fmt::Path, std::option::Option<{integer}>>` is not implemented for `i32`
+   |
+   = help: the following other types implement trait `FromUriParam<P, T>`:
+             <i32 as FromUriParam<P, i32>>
+             <i32 as FromUriParam<P, &'x i32>>
+             <i32 as FromUriParam<P, &'x mut i32>>
+   = note: required for `std::option::Option<i32>` to implement `FromUriParam<rocket::http::uri::fmt::Path, std::option::Option<{integer}>>`
+
+error[E0277]: the trait bound `isize: FromUriParam<rocket::http::uri::fmt::Query, &str>` is not satisfied
+  --> tests/ui-fail-nightly/typed-uri-bad-type.rs:58:19
+   |
+58 |     uri!(simple_q("hi"));
+   |                   ^^^^ the trait `FromUriParam<rocket::http::uri::fmt::Query, &str>` is not implemented for `isize`
+   |
+   = help: the following other types implement trait `FromUriParam<P, T>`:
+             <isize as FromUriParam<P, isize>>
+             <isize as FromUriParam<P, &'x isize>>
+             <isize as FromUriParam<P, &'x mut isize>>
+
+error[E0277]: the trait bound `isize: FromUriParam<rocket::http::uri::fmt::Query, &str>` is not satisfied
+  --> tests/ui-fail-nightly/typed-uri-bad-type.rs:60:24
+   |
+60 |     uri!(simple_q(id = "hi"));
+   |                        ^^^^ the trait `FromUriParam<rocket::http::uri::fmt::Query, &str>` is not implemented for `isize`
+   |
+   = help: the following other types implement trait `FromUriParam<P, T>`:
+             <isize as FromUriParam<P, isize>>
+             <isize as FromUriParam<P, &'x isize>>
+             <isize as FromUriParam<P, &'x mut isize>>
+
+error[E0277]: the trait bound `usize: FromUriParam<rocket::http::uri::fmt::Path, &str>` is not satisfied
+  --> tests/ui-fail-nightly/typed-uri-bad-type.rs:77:40
+   |
+77 |     uri!(uri!("?foo#bar"), simple(id = "hi"));
+   |                                        ^^^^ the trait `FromUriParam<rocket::http::uri::fmt::Path, &str>` is not implemented for `usize`
+   |
+   = help: the following other types implement trait `FromUriParam<P, T>`:
+             <usize as FromUriParam<P, usize>>
+             <usize as FromUriParam<P, &'x usize>>
+             <usize as FromUriParam<P, &'x mut usize>>
+
+error[E0277]: the trait bound `usize: FromUriParam<rocket::http::uri::fmt::Path, &str>` is not satisfied
+  --> tests/ui-fail-nightly/typed-uri-bad-type.rs:78:33
+   |
+78 |     uri!(uri!("*"), simple(id = "hi"));
+   |                                 ^^^^ the trait `FromUriParam<rocket::http::uri::fmt::Path, &str>` is not implemented for `usize`
+   |
+   = help: the following other types implement trait `FromUriParam<P, T>`:
+             <usize as FromUriParam<P, usize>>
+             <usize as FromUriParam<P, &'x usize>>
+             <usize as FromUriParam<P, &'x mut usize>>
+
+error[E0277]: the trait bound `usize: FromUriParam<rocket::http::uri::fmt::Path, &str>` is not satisfied
+  --> tests/ui-fail-nightly/typed-uri-bad-type.rs:81:25
+   |
+81 |     uri!(_, simple(id = "hi"), uri!("*"));
+   |                         ^^^^ the trait `FromUriParam<rocket::http::uri::fmt::Path, &str>` is not implemented for `usize`
+   |
+   = help: the following other types implement trait `FromUriParam<P, T>`:
+             <usize as FromUriParam<P, usize>>
+             <usize as FromUriParam<P, &'x usize>>
+             <usize as FromUriParam<P, &'x mut usize>>
+
+error[E0277]: the trait bound `usize: FromUriParam<rocket::http::uri::fmt::Path, &str>` is not satisfied
+  --> tests/ui-fail-nightly/typed-uri-bad-type.rs:82:25
+   |
+82 |     uri!(_, simple(id = "hi"), uri!("/foo/bar"));
+   |                         ^^^^ the trait `FromUriParam<rocket::http::uri::fmt::Path, &str>` is not implemented for `usize`
+   |
+   = help: the following other types implement trait `FromUriParam<P, T>`:
+             <usize as FromUriParam<P, usize>>
+             <usize as FromUriParam<P, &'x usize>>
+             <usize as FromUriParam<P, &'x mut usize>>
diff --git a/core/codegen/tests/ui-fail-stable/from_form.stderr b/core/codegen/tests/ui-fail-stable/from_form.stderr
index afd9e509..3bc006df 100644
--- a/core/codegen/tests/ui-fail-stable/from_form.stderr
+++ b/core/codegen/tests/ui-fail-stable/from_form.stderr
@@ -523,6 +523,9 @@ help: the type constructed contains `{integer}` due to the type of the argument
     |                       ^^^ this argument influences the type of `Some`
 note: tuple variant defined here
    --> $RUST/core/src/option.rs
+    |
+    |     Some(#[stable(feature = "rust1", since = "1.0.0")] T),
+    |     ^^^^
 
 error[E0308]: mismatched types
    --> tests/ui-fail-stable/from_form.rs:203:33
@@ -542,6 +545,9 @@ help: the type constructed contains `&'static str` due to the type of the argume
     |                                 this argument influences the type of `Some`
 note: tuple variant defined here
    --> $RUST/core/src/option.rs
+    |
+    |     Some(#[stable(feature = "rust1", since = "1.0.0")] T),
+    |     ^^^^
 
 error[E0277]: the trait bound `bool: From<&str>` is not satisfied
    --> tests/ui-fail-stable/from_form.rs:209:23