auto merge of #11918 : omasanori/rust/reduce-warnings, r=alexcrichton

Moving forward to green waterfall.

5 files changed, 0 insertions, 5 deletions

diff --git a/src/libstd/num/f32.rs b/src/libstd/num/f32.rs
index 0af8f155c68..8acfd197618 100644
--- a/src/libstd/num/f32.rs
+++ b/src/libstd/num/f32.rs
@@ -907,7 +907,6 @@ mod tests {
 
     use num::*;
     use num;
-    use mem;
 
     #[test]
     fn test_num() {
diff --git a/src/libstd/num/f64.rs b/src/libstd/num/f64.rs
index 1155a89876e..6bb7bf6c563 100644
--- a/src/libstd/num/f64.rs
+++ b/src/libstd/num/f64.rs
@@ -909,7 +909,6 @@ mod tests {
 
     use num::*;
     use num;
-    use mem;
 
     #[test]
     fn test_num() {
diff --git a/src/libstd/num/int_macros.rs b/src/libstd/num/int_macros.rs
index ca65ade4069..c0f67912cde 100644
--- a/src/libstd/num/int_macros.rs
+++ b/src/libstd/num/int_macros.rs
@@ -444,7 +444,6 @@ mod tests {
     use num;
     use num::CheckedDiv;
     use num::Bitwise;
-    use mem;
 
     #[test]
     fn test_num() {
diff --git a/src/libstd/num/mod.rs b/src/libstd/num/mod.rs
index 28f0cfbce15..956c04db09c 100644
--- a/src/libstd/num/mod.rs
+++ b/src/libstd/num/mod.rs
@@ -1075,7 +1075,6 @@ pub fn test_num<T:Num + NumCast>(ten: T, two: T) {
 mod tests {
     use prelude::*;
     use super::*;
-    use num;
     use i8;
     use i16;
     use i32;
diff --git a/src/libstd/num/uint_macros.rs b/src/libstd/num/uint_macros.rs
index 5b9767e68e8..224f16cc663 100644
--- a/src/libstd/num/uint_macros.rs
+++ b/src/libstd/num/uint_macros.rs
@@ -315,7 +315,6 @@ mod tests {
     use num;
     use num::CheckedDiv;
     use num::Bitwise;
-    use mem;
     use u16;
 
     #[test]