From bc973d25d1e44c34ee05c0a47639b7e352ddd5a9 Mon Sep 17 00:00:00 2001
From: Bryan Newbold <bnewbold@robocracy.org>
Date: Fri, 20 Oct 2017 20:05:35 -0700
Subject: lint fixes/workarounds

---
 src/register.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/register.rs b/src/register.rs
index e31559b..9dd2291 100644
--- a/src/register.rs
+++ b/src/register.rs
@@ -319,7 +319,7 @@ impl SleepDirRegister {
 
 impl HyperRegister for SleepDirRegister {
 
-    fn has(&self, index: u64) -> Result<bool> {
+    fn has(&self, _index: u64) -> Result<bool> {
         // looks in bitfield
         unimplemented!()
     }
@@ -397,7 +397,7 @@ impl HyperRegister for SleepDirRegister {
             let (left, right) = (self.tree_sleep.read(left)?,
                                  self.tree_sleep.read(right)?);
             let parent_hash = HyperRegister::hash_parent(&left[0..40], &right[0..40]);
-            self.tree_sleep.write(parent, &parent_hash[0..40]);
+            self.tree_sleep.write(parent, &parent_hash[0..40])?;
             parent = HyperRegister::tree_parent_index(index);
         }
  
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