Ignore some clippy advice

src/accountant_skel.rs

@@ -21,6 +21,7 @@ pub struct AccountantSkel {
     pub ledger: Vec<Entry>,
 }
 
+#[cfg_attr(feature = "cargo-clippy", allow(large_enum_variant))]
 #[derive(Serialize, Deserialize, Debug)]
 pub enum Request {
     Transaction(Transaction),

src/recorder.rs

@@ -12,6 +12,7 @@ use hash::{hash, Hash};
 use entry::{create_entry_mut, Entry};
 use event::Event;
 
+#[cfg_attr(feature = "cargo-clippy", allow(large_enum_variant))]
 pub enum Signal {
     Tick,
     Event(Event),