fix: fix clippy and prost issues

Signed-off-by: Cheng Xu <git@xuc.me>

Author: xu-cheng

proto/perftools.profiles.rs

@@ -1,5 +1,6 @@
 // f9f855b960d01b292a3c2642e263e6156d52631e78e0177fe51416ed5bbecc81  proto/profile.proto
 
+// This file is @generated by prost-build.
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct Profile {

src/collector.rs

@@ -80,7 +80,7 @@ impl<T: Eq> Bucket<T> {
         }
     }
 
-    pub fn iter(&self) -> BucketIterator<T> {
+    pub fn iter(&self) -> BucketIterator<'_, T> {
         BucketIterator::<T> {
             related_bucket: self,
             index: 0,

src/frames.rs

@@ -129,11 +129,11 @@ impl Symbol {
         demangle(&String::from_utf8_lossy(self.raw_name())).into_owned()
     }
 
-    pub fn sys_name(&self) -> Cow<str> {
+    pub fn sys_name(&self) -> Cow<'_, str> {
         String::from_utf8_lossy(self.raw_name())
     }
 
-    pub fn filename(&self) -> Cow<str> {
+    pub fn filename(&self) -> Cow<'_, str> {
         self.filename
             .as_ref()
             .map(|name| name.as_os_str().to_string_lossy())

src/profiler.rs

@@ -198,15 +198,15 @@ impl ProfilerGuard<'_> {
     }
 
     /// Generate a report
-    pub fn report(&self) -> ReportBuilder {
+    pub fn report(&self) -> ReportBuilder<'_> {
         ReportBuilder::new(
             self.profiler,
             self.timer.as_ref().map(Timer::timing).unwrap_or_default(),
         )
     }
 }
 
-impl<'a> Drop for ProfilerGuard<'a> {
+impl Drop for ProfilerGuard<'_> {
     fn drop(&mut self) {
         drop(self.timer.take());