Cargo update; fixes RUSTSEC-2020-0071 and RUSTSEC-2023-0044

Fix the tests for small changes in Rocket 0.5-rc.4.
Also fix the usage of a deprecate method.

src/lib.rs

@@ -366,7 +366,7 @@ mod tests {
 
         // No metric selected, don't know which map to show?
         let response = client.get("/map?address=eindhoven").dispatch();
-        assert_eq!(response.status(), Status::NotFound);
+        assert_eq!(response.status(), Status::UnprocessableEntity);
     }
 
     #[test]
@@ -375,10 +375,6 @@ mod tests {
         let maps_handle_clone = Arc::clone(&maps_handle);
         let client = Client::tracked(rocket(maps_handle)).expect("Not a valid Rocket instance");
 
-        // No metric passed, don't know which map to show?
-        let response = client.get("/map?lat=51.4&lon=5.5").dispatch();
-        assert_eq!(response.status(), Status::NotFound);
-
         // No maps available yet.
         let response = client.get("/map?lat=51.4&lon=5.5&metric=pollen").dispatch();
         assert_eq!(response.status(), Status::ServiceUnavailable);
@@ -395,8 +391,12 @@ mod tests {
         assert_eq!(response.status(), Status::Ok);
         assert_eq!(response.content_type(), Some(ContentType::PNG));
 
+        // ... but not if it is out of bounds.
+        let response = client.get("/map?lat=0.0&lon=0.0&metric=pollen").dispatch();
+        assert_eq!(response.status(), Status::NotFound);
+
         // No metric passed, don't know which map to show?
         let response = client.get("/map?lat=51.4&lon=5.5").dispatch();
-        assert_eq!(response.status(), Status::NotFound);
+        assert_eq!(response.status(), Status::UnprocessableEntity);
     }
 }

src/maps.rs

@@ -8,7 +8,7 @@ use std::f64::consts::PI;
 use std::sync::{Arc, Mutex};
 
 use chrono::serde::ts_seconds;
-use chrono::{DateTime, Duration, NaiveDateTime, Utc};
+use chrono::{DateTime, Duration, NaiveDateTime, TimeZone, Utc};
 use image::{
     DynamicImage, GenericImage, GenericImageView, ImageError, ImageFormat, Pixel, Rgb, Rgba,
 };
@@ -449,7 +449,7 @@ async fn retrieve_image(url: Url) -> Result<RetrievedMaps> {
             .ok_or_else(|| Error::InvalidImagePath(path.to_owned()))?;
         let timestamp = NaiveDateTime::parse_from_str(timestamp_str, "%Y%m%d%H%M")?;
 
-        DateTime::<Utc>::from_utc(timestamp, Utc)
+        Utc.from_utc_datetime(&timestamp)
     };
     let bytes = response.bytes().await?;