Test and fix clippy

.github/workflows/Basic.yml

@@ -64,4 +64,4 @@ jobs:
         uses: actions-rs/cargo@v1
         with:
           command: clippy
-          args: -- -D warnings
+          args: --all-targets -- -D warnings

src/de/errors.rs

@@ -5,7 +5,7 @@ use std::{error, fmt};
 pub type Result<T> = core::result::Result<T, Error>;
 
 /// This type represents all possible errors that can occur when deserializing JSON data
-#[derive(Debug, PartialEq)]
+#[derive(Debug, PartialEq, Eq)]
 #[non_exhaustive]
 pub enum Error {
     /// Control character (U+0000 to U+001F) found in string. Those must always be escaped.

src/de/mod.rs

@@ -805,6 +805,8 @@ mod tests {
         assert!(from_str::<[i32; 2]>("[0, 1,]").is_err());
     }
 
+    #[allow(clippy::let_unit_value)]
+    #[allow(clippy::unit_cmp)]
     #[test]
     fn tuple() {
         type Pair = (i64, i64);
@@ -1193,18 +1195,18 @@ mod tests {
 
     #[test]
     fn deserialize_optional_vector() {
-        #[derive(Debug, Deserialize, PartialEq)]
+        #[derive(Debug, Deserialize, PartialEq, Eq)]
         pub struct Response {
             pub log: Option<String>,
             pub messages: Vec<Msg>,
         }
 
-        #[derive(Debug, Deserialize, PartialEq, serde_derive::Serialize)]
+        #[derive(Debug, Deserialize, PartialEq, Eq, serde_derive::Serialize)]
         pub struct Msg {
             pub name: String,
         }
 
-        #[derive(Debug, Deserialize, PartialEq)]
+        #[derive(Debug, Deserialize, PartialEq, Eq)]
         pub struct OptIn {
             pub name: Option<String>,
         }
@@ -1264,20 +1266,20 @@ mod tests {
 
     #[test]
     fn deserialize_embedded_enum() {
-        #[derive(Debug, Deserialize, PartialEq)]
+        #[derive(Debug, Deserialize, PartialEq, Eq)]
         #[serde(rename_all = "lowercase")]
         pub enum MyResult {
             Ok(Response),
             Err(String),
         }
 
-        #[derive(Debug, Deserialize, PartialEq)]
+        #[derive(Debug, Deserialize, PartialEq, Eq)]
         pub struct Response {
             pub log: Option<String>,
             pub messages: Vec<Msg>,
         }
 
-        #[derive(Debug, Deserialize, PartialEq)]
+        #[derive(Debug, Deserialize, PartialEq, Eq)]
         pub struct Msg {
             pub name: String,
             pub amount: Option<String>,

src/ser/mod.rs

@@ -708,6 +708,7 @@ mod tests {
             serde_json::to_string(&wrapped).unwrap()
         );
 
+        #[allow(clippy::let_unit_value)]
         let unit: Unit = ();
         assert_eq!(to_string(&unit).unwrap(), "null");
         assert_eq!(
@@ -1219,15 +1220,15 @@ mod tests {
     fn serialize_embedded_enum() {
         use serde_derive::Deserialize;
 
-        #[derive(Debug, Deserialize, Serialize, PartialEq)]
+        #[derive(Debug, Deserialize, Serialize, PartialEq, Eq)]
         #[serde(rename_all = "lowercase")]
         pub enum MyResult {
             Unit(()),
             Ok(Response),
             Err(String),
         }
 
-        #[derive(Debug, Deserialize, Serialize, PartialEq)]
+        #[derive(Debug, Deserialize, Serialize, PartialEq, Eq)]
         pub struct Response {
             pub log: Option<String>,
             pub count: i64,