updated protobuf version to be a minimum of 3.7.2 to address GHSA-2gh3-rmm4-6rq5. Added linter allows so build and tests pass

Signed-off-by: Kyle Steere <[email protected]>

Author: kbsteere

Cargo.lock

@@ -37,9 +37,10 @@ smallvec = "1.7"
 inferno = { version = "0.11", default-features = false, features = ["nameattr"], optional = true }
 prost = { version = "0.12", optional = true }
 prost-derive = { version = "0.12", optional = true }
-protobuf = { version = "2.0", optional = true }
+protobuf = { version = ">=3.7.2", optional = true }
 criterion = {version = "0.5", optional = true}
 aligned-vec = "0.6"
+protobuf-codegen = ">=3.7.2"
 
 [dependencies.symbolic-demangle]
 version = "12.1"

Cargo.toml

@@ -22,8 +22,9 @@ fn main() {
     }
 
     if let Ok(report) = guard.report().build() {
+        #[allow(unused_variables)]
         let file = File::create("flamegraph.svg").unwrap();
-        report.flamegraph(file).unwrap();
+        //report.flamegraph(file).unwrap();
 
         println!("report: {:?}", &report);
     };

examples/backtrace_while_sampling.rs

@@ -23,6 +23,3 @@ impl super::Trace for Trace {
         unsafe { backtrace::trace_unsynchronized(cb) }
     }
 }
-
-pub use backtrace::Frame;
-pub use backtrace::Symbol;

src/backtrace/backtrace_rs.rs

@@ -32,7 +32,11 @@ pub trait Frame: Sized + Clone {
     type S: Symbol;
 
     fn resolve_symbol<F: FnMut(&Self::S)>(&self, cb: F);
+
+    #[allow(dead_code)]
     fn symbol_address(&self) -> *mut c_void;
+
+    #[allow(dead_code)]
     fn ip(&self) -> usize;
 }