Bump minimum version and rerun clippy

.github/workflows/main.yml

@@ -31,7 +31,7 @@ jobs:
           - rust: stable
           - rust: beta
           - rust: nightly
-          - rust: 1.56.0
+          - rust: 1.73.0
     steps:
     - uses: actions/checkout@v2
     - name: Install rust

Cargo.toml

@@ -7,7 +7,7 @@ description = "structured access to the output of `cargo metadata`"
 license = "MIT"
 readme = "README.md"
 edition = "2018"
-rust-version = "1.56.0"
+rust-version = "1.73.0"
 
 [dependencies]
 camino = { version = "1.0.7", features = ["serde1"] }

src/dependency.rs

@@ -8,10 +8,11 @@ use derive_builder::Builder;
 use semver::VersionReq;
 use serde::{Deserialize, Deserializer, Serialize};
 
-#[derive(Eq, PartialEq, Clone, Debug, Copy, Hash, Serialize, Deserialize)]
+#[derive(Eq, PartialEq, Clone, Debug, Copy, Hash, Serialize, Deserialize, Default)]
 /// Dependencies can come in three kinds
 pub enum DependencyKind {
     #[serde(rename = "normal")]
+    #[default]
     /// The 'normal' kind
     Normal,
     #[serde(rename = "dev")]
@@ -25,12 +26,6 @@ pub enum DependencyKind {
     Unknown,
 }
 
-impl Default for DependencyKind {
-    fn default() -> DependencyKind {
-        DependencyKind::Normal
-    }
-}
-
 impl fmt::Display for DependencyKind {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         let s = serde_json::to_string(self).unwrap();

src/messages.rs

@@ -28,10 +28,11 @@ pub struct ArtifactProfile {
 }
 
 /// The kind of debug information included in the artifact.
-#[derive(Debug, Clone, PartialEq, Eq, Hash)]
+#[derive(Debug, Clone, PartialEq, Eq, Hash, Default)]
 #[non_exhaustive]
 pub enum ArtifactDebuginfo {
     /// No debug information.
+    #[default]
     None,
     /// Line directives only.
     LineDirectivesOnly,
@@ -55,12 +56,6 @@ pub enum ArtifactDebuginfo {
     UnknownString(String),
 }
 
-impl Default for ArtifactDebuginfo {
-    fn default() -> Self {
-        ArtifactDebuginfo::None
-    }
-}
-
 impl ser::Serialize for ArtifactDebuginfo {
     fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
     where