CI: Rust on the dev Orin (l4t-rust): clippy -D warnings, test, build, glibc; fix 4 clippy lints

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01DDwfd6Ki8UfG4hK6W5YpJz

src/bus-bench/main.rs

@@ -242,7 +242,9 @@ fn decode(p: &[u8], now: i64) -> Option<(u64, u32, Vec<i64>)> {
         return None;
     }
     let lat = p[HEADER..]
-        .chunks_exact(FRAME)
+        .as_chunks::<FRAME>()
+        .0
+        .iter()
         .map(|f| now - i64::from_le_bytes(f[0..8].try_into().unwrap()))
         .collect();
     Some((seq, count, lat))
@@ -253,7 +255,9 @@ fn frames(p: &[u8]) -> Option<Vec<(i64, u32, Vec<u8>)>> {
     decode(p, 0)?;
     Some(
         p[HEADER..]
-            .chunks_exact(FRAME)
+            .as_chunks::<FRAME>()
+            .0
+            .iter()
             .map(|f| {
                 let len = (f[12] as usize).min(8);
                 (i64::from_le_bytes(f[0..8].try_into().unwrap()), u32::from_le_bytes(f[8..12].try_into().unwrap()), f[16..16 + len].to_vec())

src/obd-poller/main.rs

@@ -112,7 +112,7 @@ impl Poller {
             let Some(r) = self.sock.recv(left)? else { return Ok(None) };
             // Single frame: [length, 0x41, pid, A, B, ...]. Anything else is not our answer.
             let len = (r.data[0] & 0x0F) as usize;
-            if r.data[0] >> 4 == 0 && len >= 2 && len <= 7 && r.data[1] == 0x41 && r.data[2] == pid {
+            if r.data[0] >> 4 == 0 && (2..=7).contains(&len) && r.data[1] == 0x41 && r.data[2] == pid {
                 return Ok(Some((r.ts_us, r.id, r.data[3..1 + len].to_vec())));
             }
         }
@@ -122,8 +122,7 @@ impl Poller {
     fn discover(&self) -> std::io::Result<Vec<u8>> {
         let mut all = Vec::new();
         let mut mask = 0x00u8;
-        loop {
-            let Some((_, _, d)) = self.ask(mask)? else { break };
+        while let Some((_, _, d)) = self.ask(mask)? {
             if d.len() < 4 {
                 break;
             }