9 files changed, 10 insertions, 0 deletions
diff --git a/src/libstd/fmt/num.rs b/src/libstd/fmt/num.rs
index 9000d2c8737..2032a2a6b58 100644
--- a/src/libstd/fmt/num.rs
+++ b/src/libstd/fmt/num.rs
@@ -12,6 +12,8 @@
 
 // FIXME: #6220 Implement floating point formatting
 
+#![allow(unsigned_negate)]
+
 use container::Container;
 use fmt;
 use iter::{Iterator, DoubleEndedIterator};
diff --git a/src/libstd/num/f32.rs b/src/libstd/num/f32.rs
index 36e5728200b..672de0bf9e5 100644
--- a/src/libstd/num/f32.rs
+++ b/src/libstd/num/f32.rs
@@ -11,6 +11,7 @@
 //! Operations and constants for 32-bits floats (`f32` type)
 
 #![allow(missing_doc)]
+#![allow(unsigned_negate)]
 
 use prelude::*;
 
diff --git a/src/libstd/num/u16.rs b/src/libstd/num/u16.rs
index ca473e9517e..14a432905b4 100644
--- a/src/libstd/num/u16.rs
+++ b/src/libstd/num/u16.rs
@@ -11,6 +11,7 @@
 //! Operations and constants for unsigned 16-bits integers (`u16` type)
 
 #![allow(non_uppercase_statics)]
+#![allow(unsigned_negate)]
 
 use prelude::*;
 
diff --git a/src/libstd/num/u32.rs b/src/libstd/num/u32.rs
index 2a0b9aac667..87740dcb135 100644
--- a/src/libstd/num/u32.rs
+++ b/src/libstd/num/u32.rs
@@ -11,6 +11,7 @@
 //! Operations and constants for unsigned 32-bits integers (`u32` type)
 
 #![allow(non_uppercase_statics)]
+#![allow(unsigned_negate)]
 
 use prelude::*;
 
diff --git a/src/libstd/num/u64.rs b/src/libstd/num/u64.rs
index 2cfc5da95e8..15b2528e616 100644
--- a/src/libstd/num/u64.rs
+++ b/src/libstd/num/u64.rs
@@ -11,6 +11,7 @@
 //! Operations and constants for unsigned 64-bits integer (`u64` type)
 
 #![allow(non_uppercase_statics)]
+#![allow(unsigned_negate)]
 
 use prelude::*;
 
diff --git a/src/libstd/num/u8.rs b/src/libstd/num/u8.rs
index 30ed13a5952..f841a31ee13 100644
--- a/src/libstd/num/u8.rs
+++ b/src/libstd/num/u8.rs
@@ -11,6 +11,7 @@
 //! Operations and constants for unsigned 8-bits integers (`u8` type)
 
 #![allow(non_uppercase_statics)]
+#![allow(unsigned_negate)]
 
 use prelude::*;
 
diff --git a/src/libstd/num/uint.rs b/src/libstd/num/uint.rs
index 6751fdb5d25..46cb4f44887 100644
--- a/src/libstd/num/uint.rs
+++ b/src/libstd/num/uint.rs
@@ -11,6 +11,7 @@
 //! Operations and constants for architecture-sized unsigned integers (`uint` type)
 
 #![allow(non_uppercase_statics)]
+#![allow(unsigned_negate)]
 
 use prelude::*;
 
diff --git a/src/libstd/num/uint_macros.rs b/src/libstd/num/uint_macros.rs
index 8acedb080c2..fac8736b929 100644
--- a/src/libstd/num/uint_macros.rs
+++ b/src/libstd/num/uint_macros.rs
@@ -10,6 +10,7 @@
 
 #![macro_escape]
 #![doc(hidden)]
+#![allow(unsigned_negate)]
 
 macro_rules! uint_module (($T:ty, $T_SIGNED:ty, $bits:expr) => (
 
diff --git a/src/libstd/rt/thread.rs b/src/libstd/rt/thread.rs
index 2d952b2a9db..9f5986e3dc6 100644
--- a/src/libstd/rt/thread.rs
+++ b/src/libstd/rt/thread.rs
@@ -15,6 +15,7 @@
 //! which are not used for scheduling in any way.
 
 #![allow(non_camel_case_types)]
+#![allow(unsigned_negate)]
 
 use cast;
 use kinds::Send;