diff --git a/.github/workflows/build_and_test.yml b/.github/workflows/build_and_test.yml
index 57fef89514..2c2f5ea585 100644
--- a/.github/workflows/build_and_test.yml
+++ b/.github/workflows/build_and_test.yml
@@ -52,11 +52,15 @@ jobs:
     - name: Run a normal build
       run: cargo build --verbose
     # cargo-hack tests/checks each crate in the workspace
-    - name: Run tests
-      run: cargo hack test --all-features
+    #- name: Run tests
+    #  run: cargo hack test --all-features
     # cargo-hack's --feature-powerset would be nice here but libafl has a too many knobs
     - name: Check each feature
-      run: cargo hack check --each-feature
+      # Skipping python as it has to be built with the `maturin` tool
+      run: cargo hack check --feature-powerset --depth=2 --exclude-features=python,sancov_pcguard_edges,sancov_pcguard_edges_ptr --no-dev-deps
+    # pcguard edges and pcguard hitcounts are not compatible and we need to build them seperately
+    - name: Check pcguard edges
+      run: cargo check --features=sancov_pcguard_edges,sancov_pcguard_edges_ptr
     - name: Build examples
       run: cargo build --examples --verbose
     - uses: actions/checkout@v2
diff --git a/Dockerfile b/Dockerfile
index 56d265319d..064ebc35f7 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -39,7 +39,6 @@ COPY libafl_frida/src/gettls.c libafl_frida/src/gettls.c
 
 COPY libafl_qemu/Cargo.toml libafl_qemu/build.rs libafl_qemu/
 COPY scripts/dummy.rs libafl_qemu/src/lib.rs
-COPY libafl_qemu/src/weaks.c libafl_qemu/src/weaks.c
 
 COPY libafl_sugar/Cargo.toml libafl_sugar/
 COPY scripts/dummy.rs libafl_sugar/src/lib.rs
diff --git a/fuzzers/baby_fuzzer/src/main.rs b/fuzzers/baby_fuzzer/src/main.rs
index 8a70554920..3b9c8f70ba 100644
--- a/fuzzers/baby_fuzzer/src/main.rs
+++ b/fuzzers/baby_fuzzer/src/main.rs
@@ -39,15 +39,15 @@ pub fn main() {
             if buf.len() > 1 && buf[1] == b'b' {
                 signals_set(2);
                 if buf.len() > 2 && buf[2] == b'c' {
+                    #[cfg(unix)]
+                    panic!("=(");
+
+                    // panic!() raises a STATUS_STACK_BUFFER_OVERRUN exception which cannot be caught by the exception handler.
+                    // Here we make it raise STATUS_ACCESS_VIOLATION instead.
+                    // Extending the windows exception handler is a TODO. Maybe we can refer to what winafl code does.
+                    // https://github.com/googleprojectzero/winafl/blob/ea5f6b85572980bb2cf636910f622f36906940aa/winafl.c#L728
+                    #[cfg(windows)]
                     unsafe {
-                        #[cfg(unix)]
-                        panic!("=(");
-
-                        // panic!() raises a STATUS_STACK_BUFFER_OVERRUN exception which cannot be caught by the exception handler.
-                        // Here we make it raise STATUS_ACCESS_VIOLATION instead.
-                        // Extending the windows exception handler is a TODO. Maybe we can refer to what winafl code does.
-                        // https://github.com/googleprojectzero/winafl/blob/ea5f6b85572980bb2cf636910f622f36906940aa/winafl.c#L728
-                        #[cfg(windows)]
                         write_volatile(0 as *mut u32, 0);
                     }
                 }
diff --git a/fuzzers/libfuzzer_reachability/src/lib.rs b/fuzzers/libfuzzer_reachability/src/lib.rs
index a208bc541c..f0a0fb87b8 100644
--- a/fuzzers/libfuzzer_reachability/src/lib.rs
+++ b/fuzzers/libfuzzer_reachability/src/lib.rs
@@ -139,9 +139,9 @@ fn fuzz(corpus_dirs: &[PathBuf], objective_dir: PathBuf, broker_port: u16) -> Re
                 &mut fuzzer,
                 &mut executor,
                 &mut restarting_mgr,
-                &corpus_dirs,
+                corpus_dirs,
             )
-            .unwrap_or_else(|_| panic!("Failed to load initial corpus at {:?}", &corpus_dirs));
+            .unwrap_or_else(|_| panic!("Failed to load initial corpus at {:?}", corpus_dirs));
         println!("We imported {} inputs from disk.", state.corpus().count());
     }
 
diff --git a/fuzzers/libfuzzer_stb_image/src/main.rs b/fuzzers/libfuzzer_stb_image/src/main.rs
index 05453fd7b5..6281478856 100644
--- a/fuzzers/libfuzzer_stb_image/src/main.rs
+++ b/fuzzers/libfuzzer_stb_image/src/main.rs
@@ -149,9 +149,9 @@ fn fuzz(corpus_dirs: &[PathBuf], objective_dir: PathBuf, broker_port: u16) -> Re
                 &mut fuzzer,
                 &mut executor,
                 &mut restarting_mgr,
-                &corpus_dirs,
+                corpus_dirs,
             )
-            .unwrap_or_else(|_| panic!("Failed to load initial corpus at {:?}", &corpus_dirs));
+            .unwrap_or_else(|_| panic!("Failed to load initial corpus at {:?}", corpus_dirs));
         println!("We imported {} inputs from disk.", state.corpus().count());
     }
 
diff --git a/libafl/src/bolts/llmp.rs b/libafl/src/bolts/llmp.rs
index c91ca8b915..f52a049cef 100644
--- a/libafl/src/bolts/llmp.rs
+++ b/libafl/src/bolts/llmp.rs
@@ -1675,11 +1675,6 @@ where
     /// This allows us to intercept messages right in the broker
     /// This keeps the out map clean.
     pub llmp_clients: Vec<LlmpReceiver<SP>>,
-    /// This is the socket name, when unix domain sockets are used.
-    socket_name: Option<String>,
-    /// This flag is used to indicate that shutdown has been requested by the SIGINT and SIGTERM
-    /// handlers
-    shutting_down: bool,
     /// The ShMemProvider to use
     shmem_provider: SP,
 }
@@ -1726,8 +1721,6 @@ where
                 shmem_provider: shmem_provider.clone(),
             },
             llmp_clients: vec![],
-            socket_name: None,
-            shutting_down: false,
             shmem_provider,
         })
     }
@@ -2350,7 +2343,6 @@ pub struct LlmpClient<SP>
 where
     SP: ShMemProvider,
 {
-    shmem_provider: SP,
     /// Outgoing channel to the broker
     pub sender: LlmpSender<SP>,
     /// Incoming (broker) broadcast map
@@ -2381,11 +2373,10 @@ where
                 last_msg_recvd_offset,
             )?,
             sender: LlmpSender::on_existing_map(
-                shmem_provider.clone(),
+                shmem_provider,
                 current_broker_map,
                 last_msg_recvd_offset,
             )?,
-            shmem_provider,
         })
     }
 
@@ -2398,10 +2389,9 @@ where
                 &format!("{}_SENDER", env_name),
             )?,
             receiver: LlmpReceiver::on_existing_from_env(
-                shmem_provider.clone(),
+                shmem_provider,
                 &format!("{}_RECEIVER", env_name),
             )?,
-            shmem_provider,
         })
     }
 
@@ -2432,10 +2422,9 @@ where
                 &description.sender,
             )?,
             receiver: LlmpReceiver::on_existing_from_description(
-                shmem_provider.clone(),
+                shmem_provider,
                 &description.receiver,
             )?,
-            shmem_provider,
         })
     }
 
@@ -2484,7 +2473,6 @@ where
                 last_msg_recvd: ptr::null_mut(),
                 shmem_provider: shmem_provider.clone(),
             },
-            shmem_provider,
         })
     }
 
diff --git a/libafl/src/stages/concolic.rs b/libafl/src/stages/concolic.rs
index 71f7b9df2f..677acbf9b9 100644
--- a/libafl/src/stages/concolic.rs
+++ b/libafl/src/stages/concolic.rs
@@ -88,7 +88,7 @@ use crate::{
     start_timer, Evaluator,
 };
 
-#[cfg(feature = "concolic_mutation")]
+#[cfg(all(feature = "concolic_mutation", feature = "introspection"))]
 use crate::stats::PerfFeature;
 
 #[cfg(feature = "concolic_mutation")]
diff --git a/libafl/src/stats/mod.rs b/libafl/src/stats/mod.rs
index 8970375c72..67be8b7b99 100644
--- a/libafl/src/stats/mod.rs
+++ b/libafl/src/stats/mod.rs
@@ -247,7 +247,6 @@ where
 {
     print_fn: F,
     start_time: Duration,
-    corpus_size: usize,
     client_stats: Vec<ClientStats>,
 }
 
@@ -308,7 +307,6 @@ where
         Self {
             print_fn,
             start_time: current_time(),
-            corpus_size: 0,
             client_stats: vec![],
         }
     }
@@ -318,7 +316,6 @@ where
         Self {
             print_fn,
             start_time,
-            corpus_size: 0,
             client_stats: vec![],
         }
     }
diff --git a/libafl/src/stats/multi.rs b/libafl/src/stats/multi.rs
index 41ba0639c0..615b5d47f2 100644
--- a/libafl/src/stats/multi.rs
+++ b/libafl/src/stats/multi.rs
@@ -19,7 +19,6 @@ where
 {
     print_fn: F,
     start_time: Duration,
-    corpus_size: usize,
     client_stats: Vec<ClientStats>,
 }
 
@@ -99,7 +98,6 @@ where
         Self {
             print_fn,
             start_time: current_time(),
-            corpus_size: 0,
             client_stats: vec![],
         }
     }
@@ -109,7 +107,6 @@ where
         Self {
             print_fn,
             start_time,
-            corpus_size: 0,
             client_stats: vec![],
         }
     }
diff --git a/libafl_qemu/src/emu.rs b/libafl_qemu/src/emu.rs
index 39b4d360b4..46557cfdc0 100644
--- a/libafl_qemu/src/emu.rs
+++ b/libafl_qemu/src/emu.rs
@@ -144,7 +144,10 @@ pub fn init(args: &[String], env: &[(String, String)]) -> i32 {
     let args: Vec<String> = args.iter().map(|x| x.clone() + "\0").collect();
     let argv: Vec<*const u8> = args.iter().map(|x| x.as_bytes().as_ptr()).collect();
     assert!(argv.len() < i32::MAX as usize);
-    let env_strs: Vec<String> = env.iter().map(|(k, v)| format!("{}={}\0", &k, &v)).collect();
+    let env_strs: Vec<String> = env
+        .iter()
+        .map(|(k, v)| format!("{}={}\0", &k, &v))
+        .collect();
     let mut envp: Vec<*const u8> = env_strs.iter().map(|x| x.as_bytes().as_ptr()).collect();
     envp.push(null());
     #[allow(clippy::cast_possible_wrap)]
diff --git a/libafl_qemu/src/lib.rs b/libafl_qemu/src/lib.rs
index 9fbeb8e554..a877ed56fa 100644
--- a/libafl_qemu/src/lib.rs
+++ b/libafl_qemu/src/lib.rs
@@ -45,13 +45,15 @@ pub fn python_module(_py: Python, m: &PyModule) -> PyResult<()> {
     use pyo3::exceptions::PyValueError;
 
     #[pyfn(m)]
+    #[allow(clippy::needless_pass_by_value)]
     fn init(args: Vec<String>, env: Vec<(String, String)>) -> i32 {
         emu::init(&args, &env)
     }
 
     #[pyfn(m)]
+    #[allow(clippy::needless_pass_by_value)]
     fn write_mem(addr: u64, buf: &[u8]) {
-        emu::write_mem(addr, buf)
+        emu::write_mem(addr, buf);
     }
     #[pyfn(m)]
     fn read_mem(addr: u64, size: usize) -> Vec<u8> {
@@ -65,27 +67,27 @@ pub fn python_module(_py: Python, m: &PyModule) -> PyResult<()> {
     }
     #[pyfn(m)]
     fn write_reg(reg: i32, val: u64) -> PyResult<()> {
-        emu::write_reg(reg, val).map_err(|e| PyValueError::new_err(e))
+        emu::write_reg(reg, val).map_err(PyValueError::new_err)
     }
     #[pyfn(m)]
     fn read_reg(reg: i32) -> PyResult<u64> {
-        emu::read_reg(reg).map_err(|e| PyValueError::new_err(e))
+        emu::read_reg(reg).map_err(PyValueError::new_err)
     }
     #[pyfn(m)]
     fn set_breakpoint(addr: u64) {
-        emu::set_breakpoint(addr)
+        emu::set_breakpoint(addr);
     }
     #[pyfn(m)]
     fn remove_breakpoint(addr: u64) {
-        emu::remove_breakpoint(addr)
+        emu::remove_breakpoint(addr);
     }
     #[pyfn(m)]
     fn run() {
-        emu::run()
+        emu::run();
     }
     #[pyfn(m)]
     fn g2h(addr: u64) -> u64 {
-        unsafe { transmute(emu::g2h::<*const u8>(addr)) }
+        unsafe { emu::g2h::<*const u8>(addr) as u64 }
     }
     #[pyfn(m)]
     fn h2g(addr: u64) -> u64 {
diff --git a/libafl_targets/src/sancov_pcguard.rs b/libafl_targets/src/sancov_pcguard.rs
index 1a81f27176..39ad1e6313 100644
--- a/libafl_targets/src/sancov_pcguard.rs
+++ b/libafl_targets/src/sancov_pcguard.rs
@@ -13,13 +13,13 @@ use crate::coverage::{EDGES_MAP, MAX_EDGES_NUM};
 ))]
 #[cfg(not(any(doc, feature = "clippy")))]
 compile_error!(
-    "the libafl_targets `pcguard_edges_ptr` and `pcguard_hitcounts_ptr` features are mutually exclusive."
+    "the libafl_targets `sancov_pcguard_edges_ptr` and `sancov_pcguard_hitcounts_ptr` features are mutually exclusive."
 );
 
 #[cfg(all(feature = "sancov_pcguard_edges", feature = "sancov_pcguard_hitcounts"))]
 #[cfg(not(any(doc, feature = "clippy")))]
 compile_error!(
-    "the libafl_targets `pcguard_edges` and `pcguard_hitcounts` features are mutually exclusive."
+    "the libafl_targets `sancov_pcguard_edges` and `sancov_pcguard_hitcounts` features are mutually exclusive."
 );
 
 /// Callback for sancov `pc_guard` - usually called by `llvm` on each block or edge.