fixes

Author: howardjohn

Cargo.toml

@@ -83,3 +83,9 @@ required-features = ["protobuf"]
 # More information: https://docs.rs/about/builds#cross-compiling
 [package.metadata.docs.rs]
 all-features = true
+
+
+[profile.bench]
+inherits = "release"
+debug = true
+

build.rs

@@ -1,11 +1,19 @@
 use std::io::Result;
 
 fn main() -> Result<()> {
+    let proto_files = ["src/encoding/proto/openmetrics_data_model.proto"];
+    let include_dirs = ["src/encoding/proto/"];
     #[cfg(feature = "protobuf")]
     prost_build::compile_protos(
-        &["src/encoding/proto/openmetrics_data_model.proto"],
-        &["src/encoding/proto/"],
+        &proto_files,
+        &include_dirs,
     )?;
 
+	for path in &proto_files {
+		println!("cargo:rerun-if-changed={}", path);
+	}
+	for path in &include_dirs {
+		println!("cargo:rerun-if-changed={}", path);
+	}
     Ok(())
 }

src/encoding/protobuf.rs

@@ -280,6 +280,7 @@ impl MetricEncoder<'_> {
                         sum: Some(openmetrics_data_model::histogram_value::Sum::DoubleValue(
                             sum,
                         )),
+                        ..Default::default()
                     },
                 )),
                 ..Default::default()
@@ -342,6 +343,7 @@ impl MetricEncoder<'_> {
                         positive_delta: positive_deltas.to_vec(),
                         positive_count: Vec::new(),
                         exemplars: Vec::new(),
+                        ..Default::default()
                     },
                 )),
                 ..Default::default()