bump protoc-rust version to ^2.0.2

Cargo.toml

@@ -24,7 +24,7 @@ serde = { version = "^1.0.55", optional = true }
 serde_derive = { version = "^1.0.55", optional = true }
 
 [build-dependencies]
-protoc-rust = { version = "1.7.1", optional = true }
+protoc-rust = { version = "^2.0.2", optional = true }
 
 [dev-dependencies]
 serde_json = "1.0.17"

build.rs

@@ -26,6 +26,7 @@ fn build_protobuf(out_dir: &str, input: &[&str], includes: &[&str]) {
         out_dir,
         input,
         includes,
+        customize: Default::default(),
     }).expect("protoc");
 }
 

src/proto/mod.rs

@@ -1,3 +1,4 @@
+#[allow(missing_debug_implementations)]
 mod proof;
 
 use ring::digest::Algorithm;