web: Replace num_cpus with std::available_parallelism

Author: Luni-4

Cargo.lock

@@ -16,7 +16,6 @@ actix-rt = "^2.6"
 actix-web = "^3.3"
 clap = { version = "^3.1", features = ["derive"] }
 futures = "^0.3"
-num_cpus = "^1.13"
 rust-code-analysis = { path = "..", version = "0.0" }
 serde = "^1.0"
 serde_json = "^1.0"

rust-code-analysis-web/Cargo.toml

@@ -5,6 +5,8 @@
 #![recursion_limit = "256"]
 mod web;
 
+use std::thread::available_parallelism;
+
 use clap::Parser;
 
 use web::server;
@@ -32,7 +34,11 @@ struct Opts {
 async fn main() {
     let opts = Opts::parse();
 
-    let num_jobs = opts.num_jobs.unwrap_or_else(num_cpus::get);
+    let num_jobs = opts.num_jobs.unwrap_or(
+        available_parallelism()
+            .expect("Unrecoverable: Failed to get thread count")
+            .get(),
+    );
 
     if let Err(e) = server::run(&opts.host, opts.port, num_jobs).await {
         eprintln!(