Fmt, no_std fixes (#1167)

* Fmt, no_std fixes

* push-stage fix

fuzzers/baby_fuzzer_grimoire/src/main.rs

@@ -1,6 +1,6 @@
 #[cfg(windows)]
 use std::ptr::write_volatile;
-use std::{fs, io::Read, path::PathBuf,ptr::write};
+use std::{fs, io::Read, path::PathBuf, ptr::write};
 
 use libafl::{
     bolts::{current_nanos, rands::StdRand, tuples::tuple_list, AsSlice},
@@ -24,10 +24,10 @@ use libafl::{
 
 /// Coverage map with explicit assignments due to the lack of instrumentation
 static mut SIGNALS: [u8; 16] = [0; 16];
-static mut SIGNALS_PTR: *mut u8=unsafe{SIGNALS.as_mut_ptr()};
+static mut SIGNALS_PTR: *mut u8 = unsafe { SIGNALS.as_mut_ptr() };
 /// Assign a signal to the signals map
 fn signals_set(idx: usize) {
-    unsafe{write(SIGNALS_PTR.add(idx),1)};
+    unsafe { write(SIGNALS_PTR.add(idx), 1) };
 }
 
 fn is_sub<T: PartialEq>(mut haystack: &[T], needle: &[T]) -> bool {
@@ -82,7 +82,7 @@ pub fn main() {
     };
 
     // Create an observation channel using the signals map
-    let observer=unsafe{StdMapObserver::from_mut_ptr("signals",SIGNALS_PTR,SIGNALS.len())};
+    let observer = unsafe { StdMapObserver::from_mut_ptr("signals", SIGNALS_PTR, SIGNALS.len()) };
     // Feedback to rate the interestingness of an input
     let mut feedback = MaxMapFeedback::tracking(&observer, false, true);
 

fuzzers/push_stage_harness/src/main.rs

@@ -67,7 +67,7 @@ pub fn main() {
     let mgr = SimpleEventManager::new(monitor);
 
     // A queue policy to get testcasess from the corpus
-    let scheduler = QueueScheduler::new();
+    let mut scheduler = QueueScheduler::new();
 
     // Create the executor for an in-process function with just one observer
     //let mut executor = InProcessExecutor::new(&mut harness, &mut fuzzer, &mut state, &mut mgr)

libafl/src/inputs/encoded.rs

@@ -2,10 +2,10 @@
 //! (As opposed to other, more abstract, inputs, like an Grammar-Based AST Input)
 //! See also [the paper on token-level fuzzing](https://www.usenix.org/system/files/sec21-salls.pdf)
 
-#[cfg(feature = "std")]
+#[cfg(feature = "regex")]
 use alloc::string::ToString;
 use alloc::{borrow::ToOwned, rc::Rc, string::String, vec::Vec};
-#[cfg(feature = "std")]
+#[cfg(feature = "regex")]
 use core::str::from_utf8;
 use core::{
     cell::RefCell,

libafl/src/lib.rs

@@ -24,7 +24,7 @@ Welcome to `LibAFL`
     clippy::ptr_as_ptr,
     clippy::missing_panics_doc,
     clippy::missing_docs_in_private_items,
-    clippy::module_name_repetitions,
+    clippy::module_name_repetitions
 )]
 #![cfg_attr(not(test), warn(
     missing_debug_implementations,

libafl/src/monitors/mod.rs

@@ -317,14 +317,15 @@ impl Default for NopMonitor {
     }
 }
 
-#[cfg(feature = "std")]
 /// Tracking monitor during fuzzing that just prints to `stdout`.
+#[cfg(feature = "std")]
 #[derive(Debug, Clone)]
 pub struct SimplePrintingMonitor {
     start_time: Duration,
     client_stats: Vec<ClientStats>,
 }
 
+#[cfg(feature = "std")]
 impl Default for SimplePrintingMonitor {
     fn default() -> Self {
         Self {