Clean up a few compiler warnings

Author: tomhoule

graphql_query_derive/src/operations.rs

@@ -1,5 +1,4 @@
 use constants::*;
-use graphql_parser;
 use graphql_parser::query::OperationDefinition;
 use heck::SnakeCase;
 use proc_macro2::{Span, TokenStream};

graphql_query_derive/src/query.rs

@@ -1,9 +1,7 @@
 use failure;
 use fragments::GqlFragment;
-use graphql_parser;
-use heck::SnakeCase;
 use operations::Operation;
-use proc_macro2::{Ident, Span, TokenStream};
+use proc_macro2::TokenStream;
 use schema::Schema;
 use selection::Selection;
 use std::collections::BTreeMap;

src/lib.rs

@@ -65,7 +65,6 @@ use std::collections::HashMap;
 ///     Ok(())
 /// }
 /// ```
-/// ```
 pub trait GraphQLQuery<'de> {
     /// The shape of the variables expected by the query. This should be a generated struct most of the time.
     type Variables: serde::Serialize;

tests/subscriptions.rs

@@ -21,6 +21,7 @@ const RESPONSE: &str = include_str!("subscription/subscription_query_response.js
     schema_path = "tests/subscription/subscription_schema.graphql",
     query_path = "tests/subscription/subscription_query.graphql",
 )]
+#[allow(dead_code)]
 struct SubscriptionQuery;
 
 #[test]