Make rust-src to be in devshell

Author: jm8

flake.nix

@@ -22,7 +22,7 @@
         inherit system;
         overlays = [(import rust-overlay)];
       };
-      craneLib = (crane.mkLib pkgs).overrideToolchain (p: p.rust-bin.nightly.latest.default.override {});
+      craneLib = (crane.mkLib pkgs).overrideToolchain (p: p.rust-bin.nightly.latest.default.override {extensions = ["rust-src"];});
 
       commonArgs = {
         src = pkgs.lib.cleanSource ./.;

src/fetcher.rs

@@ -13,13 +13,10 @@ use std::{
         atomic::{AtomicBool, Ordering},
         Arc,
     },
-    thread::sleep,
-    time::Duration,
 };
 
 use crate::{
-    evaluator::{proto::HoverRequest, Evaluator, LockFlakeRequest, LockFlakeResponse},
-    flakes::get_flake_inputs,
+    evaluator::{proto::HoverRequest, Evaluator, LockFlakeResponse},
     syntax::escape_string,
     TOKIO_RUNTIME,
 };

src/main.rs

@@ -27,16 +27,13 @@ use tracing_subscriber::{layer::SubscriberExt, util::SubscriberInitExt, EnvFilte
 lazy_static! {
     static ref TOKIO_RUNTIME: Runtime = tokio::runtime::Builder::new_multi_thread()
         .thread_name("tokio")
-        // .max_blocking_threads(MAX_BLOCKING_THREADS)
         .enable_all()
         .build()
         .unwrap();
 }
 
 fn main() -> Result<()> {
-    // let console_layer = console_subscriber::spawn();
     tracing_subscriber::registry()
-        // .with(console_layer)
         .with(
             tracing_subscriber::fmt::layer()
                 .with_ansi(false)