chore(turborepo): Fixed clippy warnings (#4744)

### Description

Fixing all the random clippy warnings that made it into our code.

### Testing Instructions

<!--
  Give a quick description of steps to test your changes.
-->

crates/turbopath/src/absolute_system_path_buf.rs

@@ -166,9 +166,9 @@ impl AbsoluteSystemPathBuf {
     }
 }
 
-impl Into<PathBuf> for AbsoluteSystemPathBuf {
-    fn into(self) -> PathBuf {
-        self.0
+impl From<AbsoluteSystemPathBuf> for PathBuf {
+    fn from(path: AbsoluteSystemPathBuf) -> Self {
+        path.0
     }
 }
 

crates/turbopath/src/anchored_system_path_buf.rs

@@ -44,8 +44,8 @@ impl AnchoredSystemPathBuf {
     }
 }
 
-impl Into<PathBuf> for AnchoredSystemPathBuf {
-    fn into(self) -> PathBuf {
-        self.0
+impl From<AnchoredSystemPathBuf> for PathBuf {
+    fn from(path: AnchoredSystemPathBuf) -> PathBuf {
+        path.0
     }
 }

crates/turborepo-lib/src/cli.rs

@@ -52,19 +52,14 @@ pub enum DryRunMode {
     Json,
 }
 
-#[derive(Copy, Clone, Debug, PartialEq, Serialize, ValueEnum)]
+#[derive(Copy, Clone, Debug, Default, PartialEq, Serialize, ValueEnum)]
 pub enum EnvMode {
+    #[default]
     Infer,
     Loose,
     Strict,
 }
 
-impl Default for EnvMode {
-    fn default() -> EnvMode {
-        EnvMode::Infer
-    }
-}
-
 #[derive(Parser, Clone, Default, Debug, PartialEq, Serialize)]
 #[clap(author, about = "The build system that makes ship happen", long_about = None)]
 #[clap(disable_help_subcommand = true)]

crates/turborepo-lib/src/commands/link.rs

@@ -190,7 +190,7 @@ pub async fn link(
                 base.ui.apply(BOLD.apply_to(chosen_team_name)),
                 GREY.apply_to("To disable Remote Caching, run `npx turbo unlink`")
             );
-            return Ok(());
+            Ok(())
         }
         LinkTarget::Spaces => {
             println!(
@@ -213,17 +213,15 @@ pub async fn link(
             let selected_space = select_space(base, &spaces_response.spaces)?;
 
             // print result from selected_space
-            let space = match selected_space {
-                SelectedSpace::Space(space) => space,
-            };
+            let SelectedSpace::Space(space) = selected_space;
 
             add_space_id_to_turbo_json(base, &space.id).map_err(|err| {
-                return anyhow!(
+                anyhow!(
                     "Could not persist selected space ({}) to `experimentalSpaces.id` in \
                      turbo.json {}",
                     space.id,
                     err
-                );
+                )
             })?;
 
             println!(
@@ -240,7 +238,7 @@ pub async fn link(
                 )
             );
 
-            return Ok(());
+            Ok(())
         }
     }
 }

crates/turborepo-lib/src/formatter.rs

@@ -46,16 +46,16 @@ where
         let level = event.metadata().level();
         let target = event.metadata().target();
 
-        match level {
-            &Level::ERROR => {
+        match *level {
+            Level::ERROR => {
                 write_string::<Red, Black>(writer.by_ref(), self.is_ansi, level.as_str())
                     .and_then(|_| write_message::<Red, Default>(writer, self.is_ansi, event))
             }
-            &Level::WARN => {
+            Level::WARN => {
                 write_string::<Yellow, Black>(writer.by_ref(), self.is_ansi, level.as_str())
                     .and_then(|_| write_message::<Yellow, Default>(writer, self.is_ansi, event))
             }
-            &Level::INFO => write_message::<Default, Default>(writer, self.is_ansi, event),
+            Level::INFO => write_message::<Default, Default>(writer, self.is_ansi, event),
             // trace and debug use the same style
             _ => {
                 let now = Local::now();

crates/turborepo-scm/src/git.rs

@@ -74,7 +74,7 @@ fn execute_git_command(
     pathspec: &str,
 ) -> Result<Vec<u8>, Error> {
     let mut command = Command::new("git");
-    command.args(args).current_dir(&git_root);
+    command.args(args).current_dir(git_root);
 
     add_pathspec(&mut command, pathspec);
 
@@ -89,7 +89,7 @@ fn execute_git_command(
 }
 
 fn add_pathspec(command: &mut Command, pathspec: &str) {
-    if pathspec != "" {
+    if !pathspec.is_empty() {
         command.arg("--").arg(pathspec);
     }
 }