diff --git a/fuzzers/libfuzzer_stb_image_concolic/fuzzer/src/main.rs b/fuzzers/libfuzzer_stb_image_concolic/fuzzer/src/main.rs
index 99d41ecc61..b542fddba6 100644
--- a/fuzzers/libfuzzer_stb_image_concolic/fuzzer/src/main.rs
+++ b/fuzzers/libfuzzer_stb_image_concolic/fuzzer/src/main.rs
@@ -211,7 +211,7 @@ fn fuzz(
 
         // The concolic observer observers the concolic shared memory map.
         let concolic_observer =
-            ConcolicObserver::new("concolic".to_string(), concolic_shmem.as_slice_mut());
+            ConcolicObserver::new("concolic".to_string(), concolic_shmem.as_mut_slice());
 
         let concolic_observer_name = concolic_observer.name().to_string();
 
@@ -242,16 +242,13 @@ fn fuzz(
 
 use std::process::{Child, Command, Stdio};
 
-#[derive(Default)]
+#[derive(Default, Debug)]
 pub struct MyCommandConfigurator {
     command: Option<Command>,
 }
 
-impl<I> CommandConfigurator<I> for MyCommandConfigurator
-where
-    I: HasTargetBytes + Input,
-{
-    fn spawn_child(&mut self, input: &I) -> Result<Child, Error> {
+impl CommandConfigurator for MyCommandConfigurator {
+    fn spawn_child<I: Input + HasTargetBytes>(&mut self, input: &I) -> Result<Child, Error> {
         input.to_file("cur_input")?;
 
         Ok(Command::new("./target_symcc.out")
diff --git a/fuzzers/libfuzzer_stb_image_concolic/runtime/src/lib.rs b/fuzzers/libfuzzer_stb_image_concolic/runtime/src/lib.rs
index 9d8c46abdd..06bdac4933 100644
--- a/fuzzers/libfuzzer_stb_image_concolic/runtime/src/lib.rs
+++ b/fuzzers/libfuzzer_stb_image_concolic/runtime/src/lib.rs
@@ -1,11 +1,11 @@
 //! This is a basic SymCC runtime.
-//! It traces the execution to the shared memory region that should be passed through the environment by the fuzzer process. 
+//! It traces the execution to the shared memory region that should be passed through the environment by the fuzzer process.
 //! Additionally, it concretizes all floating point operations for simplicity.
 //! Refer to the `symcc_runtime` crate documentation for building your own runtime.
 
 use symcc_runtime::{
     export_runtime,
-    filter::{NoFloat, CallStackCoverage},
+    filter::{CallStackCoverage, NoFloat},
     tracing::{self, StdShMemMessageFileWriter},
     Runtime,
 };
diff --git a/scripts/test_all_fuzzers.sh b/scripts/test_all_fuzzers.sh
index a3ba1d69f7..1ef1160733 100755
--- a/scripts/test_all_fuzzers.sh
+++ b/scripts/test_all_fuzzers.sh
@@ -7,9 +7,14 @@ cd "$SCRIPT_DIR/.."
 
 fuzzers=$(find ./fuzzers -maxdepth 1 -type d)
 backtrace_fuzzers=$(find ./fuzzers/backtrace_baby_fuzzers -maxdepth 1 -type d)
+extra_fuzzer_and_runtime="
+./fuzzers/libfuzzer_stb_image_concolic/runtime
+./fuzzers/libfuzzer_stb_image_concolic/fuzzer
+"
+
 libafl=$(pwd)
 
-for fuzzer in $(echo $fuzzers $backtrace_fuzzers);
+for fuzzer in $(echo $fuzzers $backtrace_fuzzers $extra_fuzzer_and_runtime);
 do
     cd $fuzzer
     # Clippy checks