Ignore derive_partial_eq_without_eq clippy lint

    error: you are deriving `PartialEq` and can implement `Eq`
      --> tests/test.rs:65:24
       |
    65 | #[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
       |                        ^^^^^^^^^ help: consider deriving `Eq` as well: `PartialEq, Eq`
       |
       = note: `-D clippy::derive-partial-eq-without-eq` implied by `-D clippy::all`
       = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#derive_partial_eq_without_eq

    error: you are deriving `PartialEq` and can implement `Eq`
      --> tests/test.rs:74:24
       |
    74 | #[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
       |                        ^^^^^^^^^ help: consider deriving `Eq` as well: `PartialEq, Eq`
       |
       = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#derive_partial_eq_without_eq

    error: you are deriving `PartialEq` and can implement `Eq`
       --> tests/test.rs:565:25
        |
    565 |     #[derive(Serialize, PartialEq, Debug)]
        |                         ^^^^^^^^^ help: consider deriving `Eq` as well: `PartialEq, Eq`
        |
        = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#derive_partial_eq_without_eq

    error: you are deriving `PartialEq` and can implement `Eq`
        --> tests/test.rs:1278:28
         |
    1278 |     #[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
         |                            ^^^^^^^^^ help: consider deriving `Eq` as well: `PartialEq, Eq`
         |
         = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#derive_partial_eq_without_eq

    error: you are deriving `PartialEq` and can implement `Eq`
        --> tests/test.rs:1395:21
         |
    1395 |     #[derive(Debug, PartialEq, Deserialize)]
         |                     ^^^^^^^^^ help: consider deriving `Eq` as well: `PartialEq, Eq`
         |
         = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#derive_partial_eq_without_eq

    error: you are deriving `PartialEq` and can implement `Eq`
        --> tests/test.rs:1415:21
         |
    1415 |     #[derive(Debug, PartialEq, Deserialize)]
         |                     ^^^^^^^^^ help: consider deriving `Eq` as well: `PartialEq, Eq`
         |
         = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#derive_partial_eq_without_eq

    error: you are deriving `PartialEq` and can implement `Eq`
        --> tests/test.rs:1425:21
         |
    1425 |     #[derive(Debug, PartialEq, Deserialize)]
         |                     ^^^^^^^^^ help: consider deriving `Eq` as well: `PartialEq, Eq`
         |
         = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#derive_partial_eq_without_eq

    error: you are deriving `PartialEq` and can implement `Eq`
        --> tests/test.rs:1627:21
         |
    1627 |     #[derive(Debug, PartialEq, Serialize, Deserialize)]
         |                     ^^^^^^^^^ help: consider deriving `Eq` as well: `PartialEq, Eq`
         |
         = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#derive_partial_eq_without_eq

tests/test.rs

@@ -1,6 +1,7 @@
 #![cfg(not(feature = "preserve_order"))]
 #![allow(
     clippy::cast_precision_loss,
+    clippy::derive_partial_eq_without_eq,
     clippy::excessive_precision,
     clippy::float_cmp,
     clippy::items_after_statements,