cargo fix --edition for zcash_primitives

zcash_primitives/src/jubjub/fs.rs

@@ -75,9 +75,9 @@ pub struct FsRepr(pub [u64; 4]);
 
 impl ::std::fmt::Display for FsRepr {
     fn fmt(&self, f: &mut ::std::fmt::Formatter) -> ::std::fmt::Result {
-        try!(write!(f, "0x"));
+        r#try!(write!(f, "0x"));
         for i in self.0.iter().rev() {
-            try!(write!(f, "{:016x}", *i));
+            r#try!(write!(f, "{:016x}", *i));
         }
 
         Ok(())

zcash_primitives/src/jubjub/mod.rs

@@ -20,9 +20,9 @@
 use ff::{Field, PrimeField, SqrtField};
 use pairing::Engine;
 
-use group_hash::group_hash;
+use crate::group_hash::group_hash;
 
-use constants;
+use crate::constants;
 
 use pairing::bls12_381::{Bls12, Fr};
 
@@ -122,7 +122,7 @@ pub trait JubjubParams<E: JubjubEngine>: Sized {
     fn generator(&self, base: FixedGenerators) -> &edwards::Point<E, PrimeOrder>;
     /// Returns a window table [0, 1, ..., 8] for different magnitudes of some
     /// fixed generator.
-    fn circuit_generators(&self, FixedGenerators) -> &[Vec<(E::Fr, E::Fr)>];
+    fn circuit_generators(&self, _: FixedGenerators) -> &[Vec<(E::Fr, E::Fr)>];
     /// Returns the window size for exponentiation of Pedersen hash generators
     /// outside the circuit
     fn pedersen_hash_exp_window_size() -> u32;