Update dependency rust to v1.90.0 (#1432)

* Update dependency rust to v1.90.0

* fixtures and unused code

---------

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: Adam H. Leventhal <ahl@oxide.computer>

Author: renovate[bot]

dropshot/src/api_description.rs

@@ -1774,9 +1774,6 @@ mod test {
 
     #[test]
     fn test_dup_names() {
-        #[derive(Deserialize, JsonSchema)]
-        struct AStruct {}
-
         #[allow(dead_code)]
         #[derive(Deserialize, JsonSchema)]
         struct TheThing {

dropshot/tests/fail/bad_endpoint12.stderr

@@ -17,7 +17,7 @@ error[E0277]: the trait bound `String: HttpResponse` is not satisfied
 note: required by a bound in `validate_response_type`
   --> tests/fail/bad_endpoint12.rs:9:1
    |
-9  | / #[endpoint {
+ 9 | / #[endpoint {
 10 | |     method = GET,
 11 | |     path = "/test",
 12 | | }]
@@ -30,7 +30,7 @@ note: required by a bound in `validate_response_type`
 error[E0277]: the trait bound `fn(RequestContext<()>) -> impl Future<Output = Result<String, HttpError>> {<impl std::convert::From<bad_response_type> for ApiEndpoint<<RequestContext<()> as RequestContextArgument>::Context>>::from::bad_response_type}: dropshot::handler::HttpHandlerFunc<_, _, _>` is not satisfied
   --> tests/fail/bad_endpoint12.rs:13:10
    |
-9  | / #[endpoint {
+ 9 | / #[endpoint {
 10 | |     method = GET,
 11 | |     path = "/test",
 12 | | }]

dropshot/tests/fail/bad_trait_endpoint10.stderr

@@ -19,7 +19,7 @@ note: required by a bound in `ApiEndpoint::<StubContext>::new_for_types`
 error[E0277]: the trait bound `fn(RequestContext<<ServerImpl as MyApi>::Context>) -> impl Future<Output = Result<dropshot::HttpResponseUpdatedNoContent, String>> + Send + 'static {<ServerImpl as MyApi>::bad_error_type}: dropshot::handler::HttpHandlerFunc<_, _, _>` is not satisfied
   --> tests/fail/bad_trait_endpoint10.rs:13:5
    |
-9  |   #[dropshot::api_description]
+ 9 |   #[dropshot::api_description]
    |   ---------------------------- required by a bound introduced by this call
 ...
 13 | /     #[endpoint {

dropshot/tests/fail/bad_trait_only11.stderr

@@ -1,7 +1,7 @@
 error: API trait `MyApi` must not have a where clause
   --> tests/fail/bad_trait_only11.rs:9:1
    |
-9  | / where
+ 9 | / where
 10 | |     usize: std::fmt::Debug,
    | |___________________________^
 

dropshot/tests/fail/bad_trait_only13.stderr

@@ -22,9 +22,9 @@ error: cannot find attribute `endpoint` in this scope
    |
 help: consider importing one of these attribute macros
    |
-5  + use dropshot::endpoint;
+ 5 + use dropshot::endpoint;
    |
-5  + use dropshot_endpoint::endpoint;
+ 5 + use dropshot_endpoint::endpoint;
    |
 
 error: cannot find attribute `channel` in this scope
@@ -35,7 +35,7 @@ error: cannot find attribute `channel` in this scope
    |
 help: consider importing one of these attribute macros
    |
-5  + use dropshot::channel;
+ 5 + use dropshot::channel;
    |
-5  + use dropshot_endpoint::channel;
+ 5 + use dropshot_endpoint::channel;
    |

dropshot/tests/fail/unused_endpoint.stderr

@@ -7,5 +7,5 @@ error: constant `unused_endpoint` is never used
 note: the lint level is defined here
   --> tests/fail/unused_endpoint.rs:5:9
    |
-5  | #![deny(dead_code)]
+ 5 | #![deny(dead_code)]
    |         ^^^^^^^^^

rust-toolchain.toml

@@ -4,5 +4,5 @@
 # The intent is to keep this updated as new stable versions are relased.
 
 [toolchain]
-channel = "1.89.0"
+channel = "1.90.0"
 profile = "default"