error: question mark operator is useless here
   --> hitbox-backend/src/serializer.rs:108:9
    |
108 | /         Ok(serde_json::to_string(&serializable_value)
109 | |             .map_err(|err| SerializerError::Serialize(Box::new(err)))?)
    | |_______________________________________________________________________^
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_question_mark
help: try removing question mark and `Ok()`
    |
108 ~         serde_json::to_string(&serializable_value)
109 +             .map_err(|err| SerializerError::Serialize(Box::new(err)))
    |

error: useless conversion to the same type: `T`
  --> hitbox-backend/src/serializer.rs:95:13
   |
95 |             cached_value.data.into(),
   |             ^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into()`: `cached_value.data`
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion

error: question mark operator is useless here
  --> hitbox-backend/src/serializer.rs:79:9
   |
79 | /         Ok(serde_json::to_vec(&serializable_value)
80 | |             .map_err(|err| SerializerError::Serialize(Box::new(err)))?)
   | |_______________________________________________________________________^
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_question_mark
   = note: `-D clippy::needless-question-mark` implied by `-D warnings`
help: try removing question mark and `Ok()`
   |
79 ~         serde_json::to_vec(&serializable_value)
80 +             .map_err(|err| SerializerError::Serialize(Box::new(err)))
   |

error: useless conversion to the same type: `T`
  --> hitbox-backend/src/serializer.rs:66:13
   |
66 |             cached_value.data.into(),
   |             ^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into()`: `cached_value.data`
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
   = note: `-D clippy::useless-conversion` implied by `-D warnings`

error: associated function `new` is never used
  --> hitbox-backend/src/serializer.rs:40:12
   |
39 | impl<U> SerializableCachedValue<U> {
   | ---------------------------------- associated function in this implementation
40 |     pub fn new(data: U, expired: DateTime<Utc>) -> Self {
   |            ^^^
   |
   = note: `-D dead-code` implied by `-D warnings`

error: unused variable: `cached`
  --> hitbox-backend/src/response.rs:67:26
   |
67 |     async fn from_cached(cached: Self::Cached) -> Self {
   |                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_cached`
   |
   = note: `-D unused-variables` implied by `-D warnings`

error: unused imports: `CachePolicy`, `CacheableResponse`
 --> hitbox-backend/src/serializer.rs:5:16
  |
5 |     response::{CachePolicy, CacheableResponse},
  |                ^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^

error: unused imports: `StreamExt`, `stream`
 --> hitbox-backend/src/response.rs:5:15
  |
5 | use futures::{stream, StreamExt};
  |               ^^^^^^  ^^^^^^^^^
  |
  = note: `-D unused-imports` implied by `-D warnings`