Resolve more clippy lints.

Author: thejpster

xtask/src/lib.rs

@@ -235,6 +235,6 @@ pub fn check_host_side() {
     {
         let a = VectActive::from(19).unwrap();
         let b = VectActive::from(20).unwrap();
-        assert_eq!(a < b, true);
+        assert!(a < b);
     }
 }

xtask/src/main.rs

@@ -2,8 +2,8 @@ use std::{env, process};
 use xtask::{assemble_blobs, check_blobs, check_host_side};
 
 fn main() {
-    let subcommand = env::args().skip(1).next();
-    match subcommand.as_ref().map(|s| &**s) {
+    let subcommand = env::args().nth(1);
+    match subcommand.as_deref() {
         Some("assemble") => assemble_blobs(),
         Some("check-blobs") => check_blobs(),
         Some("check-host-side") => check_host_side(),