From e12d315ab9db4337207ed14eb8fcfd90084670a4 Mon Sep 17 00:00:00 2001
From: Eirik Ogilvie-Wigley <eirik@z.cash>
Date: Fri, 16 Aug 2019 23:06:18 -0600
Subject: [PATCH] Warning cleanup

---
 zcash_primitives/src/jubjub/mod.rs                    | 2 +-
 zcash_primitives/src/transaction/components/amount.rs | 4 ++--
 zcash_proofs/src/circuit/pedersen_hash.rs             | 2 +-
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/zcash_primitives/src/jubjub/mod.rs b/zcash_primitives/src/jubjub/mod.rs
index 7ab0d0e..e626db1 100644
--- a/zcash_primitives/src/jubjub/mod.rs
+++ b/zcash_primitives/src/jubjub/mod.rs
@@ -374,7 +374,7 @@ impl JubjubBls12 {
             let mut pedersen_circuit_generators = vec![];
 
             // Process each segment
-            for mut gen in tmp_params.pedersen_hash_generators.iter().cloned() {
+            for gen in tmp_params.pedersen_hash_generators.iter().cloned() {
                 let mut gen = montgomery::Point::from_edwards(&gen, &tmp_params);
                 let mut windows = vec![];
                 for _ in 0..tmp_params.pedersen_hash_chunks_per_generator() {
diff --git a/zcash_primitives/src/transaction/components/amount.rs b/zcash_primitives/src/transaction/components/amount.rs
index 8d358fb..f3f89af 100644
--- a/zcash_primitives/src/transaction/components/amount.rs
+++ b/zcash_primitives/src/transaction/components/amount.rs
@@ -206,7 +206,7 @@ mod tests {
     #[should_panic]
     fn add_panics_on_overflow() {
         let v = Amount(MAX_MONEY);
-        let sum = v + Amount(1);
+        let _sum = v + Amount(1);
     }
 
     #[test]
@@ -220,7 +220,7 @@ mod tests {
     #[should_panic]
     fn sub_panics_on_underflow() {
         let v = Amount(-MAX_MONEY);
-        let diff = v - Amount(1);
+        let _diff = v - Amount(1);
     }
 
     #[test]
diff --git a/zcash_proofs/src/circuit/pedersen_hash.rs b/zcash_proofs/src/circuit/pedersen_hash.rs
index 21c0bf5..7a541b7 100644
--- a/zcash_proofs/src/circuit/pedersen_hash.rs
+++ b/zcash_proofs/src/circuit/pedersen_hash.rs
@@ -163,7 +163,7 @@ mod test {
 
         for length in 0..751 {
             for _ in 0..5 {
-                let mut input: Vec<bool> = (0..length).map(|_| rng.next_u32() % 2 != 0).collect();
+                let input: Vec<bool> = (0..length).map(|_| rng.next_u32() % 2 != 0).collect();
 
                 let mut cs = TestConstraintSystem::<Bls12>::new();