Fix Clippy

src/machine/compile.rs

@@ -1194,11 +1194,8 @@ fn print_overwrite_warning(
     key: PredicateKey,
     is_dynamic: bool,
 ) {
-    if let CompilationTarget::Module(module_name) = compilation_target {
-        match module_name {
-            atom!("builtins") | atom!("loader") => return,
-            _ => {}
-        }
+    if let CompilationTarget::Module(atom!("builtins") | atom!("loader")) = compilation_target {
+        return;
     }
 
     match code_ptr.tag() {

src/machine/dispatch.rs

@@ -4611,11 +4611,11 @@ impl Machine {
                         self.shell();
                         step_or_fail!(self, self.machine_st.p = self.machine_st.cp);
                     }
-                    &Instruction::CallPID => {
+                    &Instruction::CallPid => {
                         self.pid();
                         step_or_fail!(self, self.machine_st.p += 1);
                     }
-                    &Instruction::ExecutePID => {
+                    &Instruction::ExecutePid => {
                         self.pid();
                         step_or_fail!(self, self.machine_st.p = self.machine_st.cp);
                     }

src/machine/partial_string.rs

@@ -213,8 +213,7 @@ impl<'a> HeapPStrIter<'a> {
         self.brent_st.hare = orig_hare;
     }
 
-    #[allow(clippy::inherent_to_string)]
-    pub fn to_string(&mut self) -> String {
+    pub fn to_string_mut(&mut self) -> String {
         let mut buf = String::with_capacity(32);
 
         for iteratee in self.by_ref() {

src/machine/system_calls.rs

@@ -1040,7 +1040,7 @@ impl MachineState {
                 self.heap.push(value);
 
                 let mut iter = HeapPStrIter::new(&self.heap, h);
-                let string = iter.to_string();
+                let string = iter.to_string_mut();
                 let at_terminator = iter.at_string_terminator();
 
                 self.heap.pop();