Fmt, no_std fixes (#1167)

* Fmt, no_std fixes

* push-stage fix

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 {