Use serde_derive via derive feature on serde

Cargo.toml

@@ -21,8 +21,7 @@ diff = ["dissimilar"]
 [dependencies]
 dissimilar = { version = "1.0", optional = true }
 glob = "0.3"
-serde = "1.0.194"
-serde_derive = "1.0.194"
+serde = { version = "1.0.194", features = ["derive"] }
 serde_json = "1.0.110"
 termcolor = "1.0.4"
 toml = "0.8"

fuzz/Cargo.toml

@@ -11,7 +11,6 @@ cargo-fuzz = true
 [dependencies]
 libfuzzer-sys = "0.4"
 serde = "1.0.139"
-serde_derive = "1.0.139"
 
 [[bin]]
 name = "normalize"

src/cargo.rs

@@ -3,7 +3,7 @@ use crate::error::{Error, Result};
 use crate::manifest::Name;
 use crate::run::Project;
 use crate::rustflags;
-use serde_derive::Deserialize;
+use serde::Deserialize;
 use std::path::PathBuf;
 use std::process::{Command, Output, Stdio};
 use std::{env, fs, iter};

src/dependencies.rs

@@ -4,9 +4,9 @@ use crate::inherit::InheritEdition;
 use crate::manifest::Edition;
 use serde::de::value::MapAccessDeserializer;
 use serde::de::value::StrDeserializer;
-use serde::de::{self, Deserialize, Deserializer, Visitor};
-use serde::ser::{Serialize, Serializer};
-use serde_derive::{Deserialize, Serialize};
+use serde::de::{self, Deserializer, Visitor};
+use serde::ser::Serializer;
+use serde::{Deserialize, Serialize};
 use serde_json::Value;
 use std::collections::BTreeMap as Map;
 use std::fmt;

src/directory.rs

@@ -1,5 +1,5 @@
 use serde::de::{Deserialize, Deserializer};
-use serde_derive::Serialize;
+use serde::Serialize;
 use std::borrow::Cow;
 use std::env;
 use std::ffi::OsString;

src/features.rs

@@ -1,5 +1,5 @@
-use serde::de::{self, Deserialize, DeserializeOwned, Deserializer};
-use serde_derive::Deserialize;
+use serde::de::{self, DeserializeOwned, Deserializer};
+use serde::Deserialize;
 use std::env;
 use std::error::Error;
 use std::ffi::OsStr;

src/inherit.rs

@@ -1,5 +1,5 @@
-use serde::de::{self, Deserialize, Deserializer, Visitor};
-use serde_derive::Deserialize;
+use serde::de::{self, Deserializer, Visitor};
+use serde::Deserialize;
 use std::fmt;
 
 #[derive(Deserialize)]

src/manifest.rs

@@ -1,6 +1,6 @@
 use crate::dependencies::{Dependency, Patch, RegistryPatch, TargetDependencies};
 use serde::ser::{SerializeMap, Serializer};
-use serde_derive::{Deserialize, Serialize};
+use serde::{Deserialize, Serialize};
 use std::collections::BTreeMap as Map;
 use std::ffi::OsStr;
 use std::path::PathBuf;

src/run.rs

@@ -9,7 +9,7 @@ use crate::manifest::{Bin, Manifest, Name, Package, Workspace};
 use crate::message::{self, Fail, Warn};
 use crate::normalize::{self, Context, Variations};
 use crate::{features, Expected, Runner, Test};
-use serde_derive::Deserialize;
+use serde::Deserialize;
 use std::collections::{BTreeMap as Map, BTreeSet as Set};
 use std::env;
 use std::ffi::{OsStr, OsString};