diff --git a/tools/rust_analyzer/main.rs b/tools/rust_analyzer/main.rs
index 6f13d91..fb7b69e 100644
--- a/tools/rust_analyzer/main.rs
+++ b/tools/rust_analyzer/main.rs
@@ -36,20 +36,20 @@
     // Generate the crate specs.
     generate_crate_info(
         &config.bazel,
-        &workspace_root,
-        &rules_rust_name,
+        workspace_root,
+        rules_rust_name,
         &config.targets,
     )?;
 
     // Use the generated files to write rust-project.json.
     write_rust_project(
         &config.bazel,
-        &workspace_root,
+        workspace_root,
         &rules_rust_name,
         &config.targets,
-        &execution_root,
-        &output_base,
-        &workspace_root.join("rust-project.json"),
+        execution_root,
+        output_base,
+        workspace_root.join("rust-project.json"),
     )?;
 
     Ok(())
@@ -86,7 +86,7 @@
         .trim()
         .split('\n')
         .map(|line| line.split_at(line.find(':').expect("missing `:` in bazel info output")))
-        .map(|(k, v)| (k, (&v[1..]).trim()))
+        .map(|(k, v)| (k, (v[1..]).trim()))
         .collect::<HashMap<_, _>>();
 
     if config.workspace.is_none() {