From 25232c36974d9890afcd433ca34e49fd9becaee5 Mon Sep 17 00:00:00 2001
From: Michael Gehring <mg@ebfe.org>
Date: Tue, 3 Feb 2015 23:59:48 +0100
Subject: [PATCH] Fix warnings

---
 src/nproc/nproc.rs | 2 +-
 src/sort/sort.rs   | 2 +-
 src/tail/tail.rs   | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/nproc/nproc.rs b/src/nproc/nproc.rs
index aec64328d..94807d114 100644
--- a/src/nproc/nproc.rs
+++ b/src/nproc/nproc.rs
@@ -67,7 +67,7 @@ pub fn uumain(args: Vec<String>) -> isize {
         ignore += match os::getenv("OMP_NUM_THREADS") {
             Some(threadstr) => match threadstr.parse() {
                 Ok(num) => num,
-                Err(e)=> 0
+                Err(_)=> 0
             },
             None => 0
         };
diff --git a/src/sort/sort.rs b/src/sort/sort.rs
index 14091e9b9..318342cb5 100644
--- a/src/sort/sort.rs
+++ b/src/sort/sort.rs
@@ -146,7 +146,7 @@ fn frac_compare(a: &String, b: &String) -> Ordering {
 }
 
 #[inline(always)]
-fn print_sorted<S, T: Iterator<Item=S>>(mut iter: T) where S: std::fmt::Display {
+fn print_sorted<S, T: Iterator<Item=S>>(iter: T) where S: std::fmt::Display {
     for line in iter {
         print!("{}", line);
     }
diff --git a/src/tail/tail.rs b/src/tail/tail.rs
index 8a2682c24..ccaac02fe 100644
--- a/src/tail/tail.rs
+++ b/src/tail/tail.rs
@@ -242,7 +242,7 @@ macro_rules! tail_impl (
         // count lines/chars. When reaching the end of file, output the data in the
         // ringbuf.
         let mut ringbuf: RingBuf<$kind> = RingBuf::new();
-        let mut data = $reader.$kindfn().skip(
+        let data = $reader.$kindfn().skip(
             if $beginning {
                 let temp = $count;
                 $count = ::std::usize::MAX;