From 9d83ddbd69b866101b397a32e703d24a01eea0c9 Mon Sep 17 00:00:00 2001
From: Alwin Berger <alwin.berger@tu-dortmund.de>
Date: Mon, 26 Aug 2024 15:16:25 +0200
Subject: [PATCH] low prio warnings--

---
 fuzzers/FRET/src/fuzzer.rs                 | 4 ++--
 fuzzers/FRET/src/systemstate/helpers.rs    | 4 +++-
 fuzzers/FRET/src/systemstate/schedulers.rs | 2 +-
 libafl/src/fuzzer/mod.rs                   | 2 +-
 4 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/fuzzers/FRET/src/fuzzer.rs b/fuzzers/FRET/src/fuzzer.rs
index 1ebfdbbaba..349afbcb42 100644
--- a/fuzzers/FRET/src/fuzzer.rs
+++ b/fuzzers/FRET/src/fuzzer.rs
@@ -361,7 +361,7 @@ let run_client = |state: Option<_>, mut mgr, _core_id| {
                 .find(|pc| (breakpoint..breakpoint + 5).contains(pc.as_ref().unwrap_or(&0)))
             {
                 Some(_) => ExitKind::Ok,
-                None => ExitKind::Crash,
+                Option::None => ExitKind::Crash,
             }
         }
     };
@@ -556,7 +556,7 @@ let run_client = |state: Option<_>, mut mgr, _core_id| {
             }
 
             match time {
-                None => {
+                Option::None => {
                     fuzzer
                         .fuzz_loop(&mut stages, &mut executor, &mut state, &mut mgr)
                         .unwrap();
diff --git a/fuzzers/FRET/src/systemstate/helpers.rs b/fuzzers/FRET/src/systemstate/helpers.rs
index 09978b53c2..34b0b53457 100644
--- a/fuzzers/FRET/src/systemstate/helpers.rs
+++ b/fuzzers/FRET/src/systemstate/helpers.rs
@@ -280,7 +280,7 @@ fn trigger_collection(emulator: &libafl_qemu::Qemu, edge: (GuestAddr, GuestAddr)
     let mut buf : [u8; 4] = [0,0,0,0];
     match h.input_counter {
         Some(s) => unsafe { emulator.read_mem(s, &mut buf); },
-        None => (),
+        Option::None => (),
     };
     systemstate.input_counter = GuestAddr::from_le_bytes(buf);
 
@@ -436,6 +436,7 @@ where
 }
 
 //============================= Read Hooks
+#[allow(unused)]
 pub fn gen_read_is_input<QT, S>(
     hooks: &mut QemuHooks<QT, S>,
     _state: Option<&mut S>,
@@ -459,6 +460,7 @@ where
 static mut INPUT_MEM : Range<GuestAddr> = 0..0;
 static mut MEM_READ : Option<HashSet<GuestAddr>> = None;
 
+#[allow(unused)]
 pub fn trace_reads<QT, S>(
     _hooks: &mut QemuHooks<QT, S>,
     _state: Option<&mut S>,
diff --git a/fuzzers/FRET/src/systemstate/schedulers.rs b/fuzzers/FRET/src/systemstate/schedulers.rs
index 6c6d2529f4..f0a6932789 100644
--- a/fuzzers/FRET/src/systemstate/schedulers.rs
+++ b/fuzzers/FRET/src/systemstate/schedulers.rs
@@ -188,7 +188,7 @@ where
                 // println!("normal next: {}", (*c).0);
                 return Ok((*c).0.into())
             },
-            None => {
+            Option::None => {
                 swap(&mut to_remove, &mut gm.current_gen);
                 swap(&mut gm.next_gen, &mut gm.current_gen);
                 gm.current_gen.sort_by(|a, b| a.1.partial_cmp(&b.1).unwrap());
diff --git a/libafl/src/fuzzer/mod.rs b/libafl/src/fuzzer/mod.rs
index 8a4d86cea9..212c668f1f 100644
--- a/libafl/src/fuzzer/mod.rs
+++ b/libafl/src/fuzzer/mod.rs
@@ -335,7 +335,7 @@ where
         // But as the state may grow to a few megabytes,
         // for now we won' and the user has to do it (unless we find a way to do this on `Drop`).
 
-        if let None = ret {
+        if ret.is_none() {
             eprintln!("Warning: fuzzing loop ended with no last element");
             ret = Some(crate::corpus::CorpusId(0));
         }