diff --git a/src/doc/reference.md b/src/doc/reference.md
index 47c25548af0ce..9ac4469d54983 100644
--- a/src/doc/reference.md
+++ b/src/doc/reference.md
@@ -994,7 +994,7 @@ An example of `use` declarations:
 
 ```
 use std::iter::range_step;
-use std::option::{Some, None};
+use std::option::Option::{Some, None};
 use std::collections::hash_map::{mod, HashMap};
 
 fn foo<T>(_: T){}
@@ -1004,8 +1004,8 @@ fn main() {
     // Equivalent to 'std::iter::range_step(0u, 10u, 2u);'
     range_step(0u, 10u, 2u);
 
-    // Equivalent to 'foo(vec![std::option::Some(1.0f64),
-    // std::option::None]);'
+    // Equivalent to 'foo(vec![std::option::Option::Some(1.0f64),
+    // std::option::Option::None]);'
     foo(vec![Some(1.0f64), None]);
 
     // Both `hash_map` and `HashMap` are in scope.
diff --git a/src/etc/unicode.py b/src/etc/unicode.py
index 15263919fb9b8..20edf9418f148 100755
--- a/src/etc/unicode.py
+++ b/src/etc/unicode.py
@@ -292,7 +292,7 @@ def escape_char(c):
 def emit_bsearch_range_table(f):
     f.write("""
 fn bsearch_range_table(c: char, r: &'static [(char,char)]) -> bool {
-    use core::cmp::{Equal, Less, Greater};
+    use core::cmp::Ordering::{Equal, Less, Greater};
     use core::slice::SlicePrelude;
     r.binary_search(|&(lo,hi)| {
         if lo <= c && c <= hi { Equal }
@@ -350,10 +350,11 @@ def emit_regex_module(f, cats, w_data):
 def emit_conversions_module(f, lowerupper, upperlower):
     f.write("pub mod conversions {")
     f.write("""
-    use core::cmp::{Equal, Less, Greater};
+    use core::cmp::Ordering::{Equal, Less, Greater};
     use core::slice::SlicePrelude;
     use core::tuple::Tuple2;
-    use core::option::{Option, Some, None};
+    use core::option::Option;
+    use core::option::Option::{Some, None};
     use core::slice;
 
     pub fn to_lower(c: char) -> char {
@@ -403,7 +404,7 @@ def emit_grapheme_module(f, grapheme_table, grapheme_cats):
     f.write("""    }
 
     fn bsearch_range_value_table(c: char, r: &'static [(char, char, GraphemeCat)]) -> GraphemeCat {
-        use core::cmp::{Equal, Less, Greater};
+        use core::cmp::Ordering::{Equal, Less, Greater};
         match r.binary_search(|&(lo, hi, _)| {
             if lo <= c && c <= hi { Equal }
             else if hi < c { Less }
@@ -430,12 +431,13 @@ def emit_grapheme_module(f, grapheme_table, grapheme_cats):
 
 def emit_charwidth_module(f, width_table):
     f.write("pub mod charwidth {\n")
-    f.write("    use core::option::{Option, Some, None};\n")
+    f.write("    use core::option::Option;\n")
+    f.write("    use core::option::Option::{Some, None};\n")
     f.write("    use core::slice::SlicePrelude;\n")
     f.write("    use core::slice;\n")
     f.write("""
     fn bsearch_range_value_table(c: char, is_cjk: bool, r: &'static [(char, char, u8, u8)]) -> u8 {
-        use core::cmp::{Equal, Less, Greater};
+        use core::cmp::Ordering::{Equal, Less, Greater};
         match r.binary_search(|&(lo, hi, _, _)| {
             if lo <= c && c <= hi { Equal }
             else if hi < c { Less }
@@ -530,7 +532,7 @@ def comp_pfun(char):
 
     f.write("""
     fn bsearch_range_value_table(c: char, r: &'static [(char, char, u8)]) -> u8 {
-        use core::cmp::{Equal, Less, Greater};
+        use core::cmp::Ordering::{Equal, Less, Greater};
         use core::slice::SlicePrelude;
         use core::slice;
         match r.binary_search(|&(lo, hi, _)| {
diff --git a/src/liballoc/arc.rs b/src/liballoc/arc.rs
index 4f744b0b2dee1..ef05279e825ea 100644
--- a/src/liballoc/arc.rs
+++ b/src/liballoc/arc.rs
@@ -22,7 +22,8 @@ use core::kinds::{Sync, Send};
 use core::mem::{min_align_of, size_of, drop};
 use core::mem;
 use core::ops::{Drop, Deref};
-use core::option::{Some, None, Option};
+use core::option::Option;
+use core::option::Option::{Some, None};
 use core::ptr::RawPtr;
 use core::ptr;
 use heap::deallocate;
@@ -326,7 +327,8 @@ mod tests {
     use std::comm::channel;
     use std::mem::drop;
     use std::ops::Drop;
-    use std::option::{Option, Some, None};
+    use std::option::Option;
+    use std::option::Option::{Some, None};
     use std::str::Str;
     use std::sync::atomic;
     use std::task;
diff --git a/src/liballoc/boxed.rs b/src/liballoc/boxed.rs
index 000dda59e3dda..eb483498998c5 100644
--- a/src/liballoc/boxed.rs
+++ b/src/liballoc/boxed.rs
@@ -19,7 +19,8 @@ use core::kinds::Sized;
 use core::mem;
 use core::option::Option;
 use core::raw::TraitObject;
-use core::result::{Ok, Err, Result};
+use core::result::Result;
+use core::result::Result::{Ok, Err};
 
 /// A value that represents the global exchange heap. This is the default
 /// place that the `box` keyword allocates into when no place is supplied.
diff --git a/src/liballoc/heap.rs b/src/liballoc/heap.rs
index 067c235c9ae49..c6b6a784f06e3 100644
--- a/src/liballoc/heap.rs
+++ b/src/liballoc/heap.rs
@@ -177,7 +177,8 @@ mod imp {
 
 #[cfg(all(not(external_funcs), not(external_crate), jemalloc))]
 mod imp {
-    use core::option::{None, Option};
+    use core::option::Option;
+    use core::option::Option::None;
     use core::ptr::{null_mut, null};
     use core::num::Int;
     use libc::{c_char, c_int, c_void, size_t};
diff --git a/src/liballoc/rc.rs b/src/liballoc/rc.rs
index e626d63937bc2..53891583edb20 100644
--- a/src/liballoc/rc.rs
+++ b/src/liballoc/rc.rs
@@ -149,10 +149,12 @@ use core::fmt;
 use core::kinds::marker;
 use core::mem::{transmute, min_align_of, size_of, forget};
 use core::ops::{Deref, Drop};
-use core::option::{Option, Some, None};
+use core::option::Option;
+use core::option::Option::{Some, None};
 use core::ptr;
 use core::ptr::RawPtr;
-use core::result::{Result, Ok, Err};
+use core::result::Result;
+use core::result::Result::{Ok, Err};
 
 use heap::deallocate;
 
@@ -739,8 +741,9 @@ impl<T> RcBoxPtr<T> for Weak<T> {
 mod tests {
     use super::{Rc, Weak, weak_count, strong_count};
     use std::cell::RefCell;
-    use std::option::{Option, Some, None};
-    use std::result::{Err, Ok};
+    use std::option::Option;
+    use std::option::Option::{Some, None};
+    use std::result::Result::{Err, Ok};
     use std::mem::drop;
     use std::clone::Clone;
 
diff --git a/src/libcollections/str.rs b/src/libcollections/str.rs
index ad0a5e7617646..78cdda61104f1 100644
--- a/src/libcollections/str.rs
+++ b/src/libcollections/str.rs
@@ -833,8 +833,10 @@ mod tests {
     use std::default::Default;
     use std::char::Char;
     use std::clone::Clone;
-    use std::cmp::{Equal, Greater, Less, Ord, PartialOrd, Equiv};
-    use std::option::{Some, None};
+    use std::cmp::{Ord, PartialOrd, Equiv};
+    use std::cmp::Ordering::{Equal, Greater, Less};
+    use std::option::Option;
+    use std::option::Option::{Some, None};
     use std::ptr::RawPtr;
     use std::iter::{Iterator, IteratorExt, DoubleEndedIteratorExt};
 
diff --git a/src/libcore/any.rs b/src/libcore/any.rs
index 5d1f996831e5b..75feb4d88289e 100644
--- a/src/libcore/any.rs
+++ b/src/libcore/any.rs
@@ -72,7 +72,8 @@
 #![stable]
 
 use mem::{transmute};
-use option::{Option, Some, None};
+use option::Option;
+use option::Option::{Some, None};
 use raw::TraitObject;
 use intrinsics::TypeId;
 
diff --git a/src/libcore/cell.rs b/src/libcore/cell.rs
index ed4df10120272..1ec2efaf801a4 100644
--- a/src/libcore/cell.rs
+++ b/src/libcore/cell.rs
@@ -160,7 +160,8 @@ use cmp::PartialEq;
 use default::Default;
 use kinds::{marker, Copy};
 use ops::{Deref, DerefMut, Drop};
-use option::{None, Option, Some};
+use option::Option;
+use option::Option::{None, Some};
 
 /// A mutable memory location that admits only `Copy` data.
 #[unstable = "likely to be renamed; otherwise stable"]
diff --git a/src/libcore/char.rs b/src/libcore/char.rs
index a729596e9d290..2bebe87a14ce4 100644
--- a/src/libcore/char.rs
+++ b/src/libcore/char.rs
@@ -16,7 +16,8 @@
 #![doc(primitive = "char")]
 
 use mem::transmute;
-use option::{None, Option, Some};
+use option::Option;
+use option::Option::{None, Some};
 use iter::{range_step, Iterator, RangeStep};
 use slice::SlicePrelude;
 
diff --git a/src/libcore/cmp.rs b/src/libcore/cmp.rs
index df19256471ede..a5ba2b03b1565 100644
--- a/src/libcore/cmp.rs
+++ b/src/libcore/cmp.rs
@@ -44,7 +44,8 @@
 pub use self::Ordering::*;
 
 use kinds::Sized;
-use option::{Option, Some, None};
+use option::Option;
+use option::Option::{Some, None};
 
 /// Trait for values that can be compared for equality and inequality.
 ///
@@ -288,10 +289,11 @@ pub fn partial_max<T: PartialOrd>(v1: T, v2: T) -> Option<T> {
 
 // Implementation of PartialEq, Eq, PartialOrd and Ord for primitive types
 mod impls {
-    use cmp::{PartialOrd, Ord, PartialEq, Eq, Ordering,
-              Less, Greater, Equal};
+    use cmp::{PartialOrd, Ord, PartialEq, Eq, Ordering};
+    use cmp::Ordering::{Less, Greater, Equal};
     use kinds::Sized;
-    use option::{Option, Some, None};
+    use option::Option;
+    use option::Option::{Some, None};
 
     macro_rules! partial_eq_impl(
         ($($t:ty)*) => ($(
diff --git a/src/libcore/fmt/float.rs b/src/libcore/fmt/float.rs
index 1e31df8377942..400ce76baa0d2 100644
--- a/src/libcore/fmt/float.rs
+++ b/src/libcore/fmt/float.rs
@@ -20,7 +20,7 @@ use fmt;
 use iter::{range, DoubleEndedIteratorExt};
 use num::{Float, FPNaN, FPInfinite, ToPrimitive};
 use num::cast;
-use result::Ok;
+use result::Result::Ok;
 use slice::{mod, SlicePrelude};
 use str::StrPrelude;
 
diff --git a/src/libcore/fmt/mod.rs b/src/libcore/fmt/mod.rs
index 7b9dd70c58f02..9b67cdd3e1275 100644
--- a/src/libcore/fmt/mod.rs
+++ b/src/libcore/fmt/mod.rs
@@ -17,9 +17,10 @@ use cell::{Cell, Ref, RefMut};
 use iter::{Iterator, IteratorExt, range};
 use kinds::{Copy, Sized};
 use mem;
-use option::{Option, Some, None};
+use option::Option;
+use option::Option::{Some, None};
 use ops::Deref;
-use result::{Ok, Err};
+use result::Result::{Ok, Err};
 use result;
 use slice::SlicePrelude;
 use slice;
diff --git a/src/libcore/iter.rs b/src/libcore/iter.rs
index f137f43058fa6..49865bd3c7d57 100644
--- a/src/libcore/iter.rs
+++ b/src/libcore/iter.rs
@@ -62,7 +62,8 @@ use cmp::Ord;
 use mem;
 use num::{ToPrimitive, Int};
 use ops::{Add, Deref};
-use option::{Option, Some, None};
+use option::Option;
+use option::Option::{Some, None};
 use uint;
 
 #[deprecated = "renamed to Extend"] pub use self::Extend as Extendable;
@@ -2458,7 +2459,9 @@ pub fn repeat<T: Clone>(elt: T) -> Repeat<T> {
 pub mod order {
     use cmp;
     use cmp::{Eq, Ord, PartialOrd, PartialEq};
-    use option::{Option, Some, None};
+    use cmp::Ordering::{Equal, Less, Greater};
+    use option::Option;
+    use option::Option::{Some, None};
     use super::Iterator;
 
     /// Compare `a` and `b` for equality using `Eq`
@@ -2476,11 +2479,11 @@ pub mod order {
     pub fn cmp<A: Ord, T: Iterator<A>, S: Iterator<A>>(mut a: T, mut b: S) -> cmp::Ordering {
         loop {
             match (a.next(), b.next()) {
-                (None, None) => return cmp::Equal,
-                (None, _   ) => return cmp::Less,
-                (_   , None) => return cmp::Greater,
+                (None, None) => return Equal,
+                (None, _   ) => return Less,
+                (_   , None) => return Greater,
                 (Some(x), Some(y)) => match x.cmp(&y) {
-                    cmp::Equal => (),
+                    Equal => (),
                     non_eq => return non_eq,
                 },
             }
@@ -2492,11 +2495,11 @@ pub mod order {
             -> Option<cmp::Ordering> {
         loop {
             match (a.next(), b.next()) {
-                (None, None) => return Some(cmp::Equal),
-                (None, _   ) => return Some(cmp::Less),
-                (_   , None) => return Some(cmp::Greater),
+                (None, None) => return Some(Equal),
+                (None, _   ) => return Some(Less),
+                (_   , None) => return Some(Greater),
                 (Some(x), Some(y)) => match x.partial_cmp(&y) {
-                    Some(cmp::Equal) => (),
+                    Some(Equal) => (),
                     non_eq => return non_eq,
                 },
             }
diff --git a/src/libcore/num/mod.rs b/src/libcore/num/mod.rs
index 748e8942a3fea..e6946c83cebdf 100644
--- a/src/libcore/num/mod.rs
+++ b/src/libcore/num/mod.rs
@@ -30,7 +30,8 @@ use kinds::Copy;
 use mem::size_of;
 use ops::{Add, Sub, Mul, Div, Rem, Neg};
 use ops::{Not, BitAnd, BitOr, BitXor, Shl, Shr};
-use option::{Option, Some, None};
+use option::Option;
+use option::Option::{Some, None};
 use str::{FromStr, from_str, StrPrelude};
 
 /// Simultaneous division and remainder
diff --git a/src/libcore/option.rs b/src/libcore/option.rs
index ef895a1d7fbcc..8ba41c3575fff 100644
--- a/src/libcore/option.rs
+++ b/src/libcore/option.rs
@@ -149,7 +149,8 @@ use cmp::{Eq, Ord};
 use default::Default;
 use iter::{Iterator, IteratorExt, DoubleEndedIterator, FromIterator, ExactSizeIterator};
 use mem;
-use result::{Result, Ok, Err};
+use result::Result;
+use result::Result::{Ok, Err};
 use slice;
 use slice::AsSlice;
 use clone::Clone;
diff --git a/src/libcore/ptr.rs b/src/libcore/ptr.rs
index 416bc4588b43c..3f6ac49786d2e 100644
--- a/src/libcore/ptr.rs
+++ b/src/libcore/ptr.rs
@@ -90,9 +90,12 @@
 use mem;
 use clone::Clone;
 use intrinsics;
-use option::{Some, None, Option};
+use option::Option;
+use option::Option::{Some, None};
 
-use cmp::{PartialEq, Eq, PartialOrd, Equiv, Ordering, Less, Equal, Greater};
+use cmp::{PartialEq, Eq, PartialOrd, Equiv};
+use cmp::Ordering;
+use cmp::Ordering::{Less, Equal, Greater};
 
 pub use intrinsics::copy_memory;
 pub use intrinsics::copy_nonoverlapping_memory;
diff --git a/src/libcore/result.rs b/src/libcore/result.rs
index 7c88106c9eced..0cf8e6affd71e 100644
--- a/src/libcore/result.rs
+++ b/src/libcore/result.rs
@@ -236,7 +236,8 @@ use std::fmt::Show;
 use slice;
 use slice::AsSlice;
 use iter::{Iterator, IteratorExt, DoubleEndedIterator, FromIterator, ExactSizeIterator};
-use option::{None, Option, Some};
+use option::Option;
+use option::Option::{None, Some};
 
 /// `Result` is a type that represents either success (`Ok`) or failure (`Err`).
 ///
diff --git a/src/libcore/slice.rs b/src/libcore/slice.rs
index ce9f551670bb5..b8df36c91bc3e 100644
--- a/src/libcore/slice.rs
+++ b/src/libcore/slice.rs
@@ -36,13 +36,15 @@
 
 use mem::transmute;
 use clone::Clone;
-use cmp::{PartialEq, PartialOrd, Eq, Ord, Ordering, Less, Equal, Greater, Equiv};
+use cmp::{Ordering, PartialEq, PartialOrd, Eq, Ord, Equiv};
+use cmp::Ordering::{Less, Equal, Greater};
 use cmp;
 use default::Default;
 use iter::*;
 use num::Int;
 use ops;
-use option::{None, Option, Some};
+use option::Option;
+use option::Option::{None, Some};
 use ptr;
 use ptr::RawPtr;
 use mem;
@@ -1702,7 +1704,8 @@ pub mod raw {
     use mem::transmute;
     use ptr::RawPtr;
     use raw::Slice;
-    use option::{None, Option, Some};
+    use option::Option;
+    use option::Option::{None, Some};
 
     /// Form a slice from a pointer and length (as a number of units,
     /// not bytes).
diff --git a/src/libcore/str.rs b/src/libcore/str.rs
index 4be628f0ac3b3..1d59567cbe447 100644
--- a/src/libcore/str.rs
+++ b/src/libcore/str.rs
@@ -29,7 +29,8 @@ use iter::range;
 use kinds::Sized;
 use mem;
 use num::Int;
-use option::{Option, None, Some};
+use option::Option;
+use option::Option::{None, Some};
 use ptr::RawPtr;
 use raw::{Repr, Slice};
 use slice::{mod, SlicePrelude};
@@ -1209,9 +1210,11 @@ Section: Trait implementations
 
 #[allow(missing_docs)]
 pub mod traits {
-    use cmp::{Ord, Ordering, Less, Equal, Greater, PartialEq, PartialOrd, Equiv, Eq};
+    use cmp::{Ordering, Ord, PartialEq, PartialOrd, Equiv, Eq};
+    use cmp::Ordering::{Less, Equal, Greater};
     use iter::IteratorExt;
-    use option::{Option, Some};
+    use option::Option;
+    use option::Option::Some;
     use ops;
     use str::{Str, StrPrelude, eq_slice};
 
diff --git a/src/libcore/tuple/mod.rs b/src/libcore/tuple/mod.rs
index 56ea7a4e7a1e9..5ad01ae67442e 100644
--- a/src/libcore/tuple/mod.rs
+++ b/src/libcore/tuple/mod.rs
@@ -69,7 +69,8 @@ pub use unit;
 use clone::Clone;
 use cmp::*;
 use default::Default;
-use option::{Option, Some};
+use option::Option;
+use option::Option::Some;
 
 // macro for implementing n-ary tuple functions and operations
 macro_rules! tuple_impls {
diff --git a/src/libcoretest/num/mod.rs b/src/libcoretest/num/mod.rs
index 0cd1ded21d6c6..6ee3633d36c14 100644
--- a/src/libcoretest/num/mod.rs
+++ b/src/libcoretest/num/mod.rs
@@ -48,7 +48,8 @@ pub fn test_num<T>(ten: T, two: T) where
 
 #[cfg(test)]
 mod test {
-    use core::option::{Option, Some, None};
+    use core::option::Option;
+    use core::option::Option::{Some, None};
     use core::num::Float;
     use core::num::from_str_radix;
 
diff --git a/src/libgetopts/lib.rs b/src/libgetopts/lib.rs
index 1204ac18f99dc..e146e3c76eb2f 100644
--- a/src/libgetopts/lib.rs
+++ b/src/libgetopts/lib.rs
@@ -99,7 +99,7 @@ use self::Fail::*;
 use self::Optval::*;
 
 use std::fmt;
-use std::result::{Err, Ok};
+use std::result::Result::{Err, Ok};
 use std::result;
 use std::string::String;
 
@@ -951,7 +951,7 @@ mod tests {
     use super::*;
     use super::Fail::*;
 
-    use std::result::{Err, Ok};
+    use std::result::Result::{Err, Ok};
     use std::result;
 
     // Tests for reqopt
@@ -1392,8 +1392,8 @@ mod tests {
         let args_single = vec!("-e".to_string(), "foo".to_string());
         let matches_single = &match getopts(args_single.as_slice(),
                                             opts.as_slice()) {
-          result::Ok(m) => m,
-          result::Err(_) => panic!()
+          result::Result::Ok(m) => m,
+          result::Result::Err(_) => panic!()
         };
         assert!(matches_single.opts_present(&["e".to_string()]));
         assert!(matches_single.opts_present(&["encrypt".to_string(), "e".to_string()]));
@@ -1412,8 +1412,8 @@ mod tests {
                              "foo".to_string());
         let matches_both = &match getopts(args_both.as_slice(),
                                           opts.as_slice()) {
-          result::Ok(m) => m,
-          result::Err(_) => panic!()
+          result::Result::Ok(m) => m,
+          result::Result::Err(_) => panic!()
         };
         assert!(matches_both.opts_present(&["e".to_string()]));
         assert!(matches_both.opts_present(&["encrypt".to_string()]));
@@ -1437,8 +1437,8 @@ mod tests {
         let opts = vec!(optmulti("L", "", "library directory", "LIB"),
                      optmulti("M", "", "something", "MMMM"));
         let matches = &match getopts(args.as_slice(), opts.as_slice()) {
-          result::Ok(m) => m,
-          result::Err(_) => panic!()
+          result::Result::Ok(m) => m,
+          result::Result::Err(_) => panic!()
         };
         assert!(matches.opts_present(&["L".to_string()]));
         assert_eq!(matches.opts_str(&["L".to_string()]).unwrap(), "foo".to_string());
@@ -1453,8 +1453,8 @@ mod tests {
         let opts = vec!(optmulti("L", "", "library directory", "LIB"),
                      optflagmulti("v", "verbose", "Verbose"));
         let matches = &match getopts(args.as_slice(), opts.as_slice()) {
-          result::Ok(m) => m,
-          result::Err(e) => panic!( "{}", e )
+          result::Result::Ok(m) => m,
+          result::Result::Err(e) => panic!( "{}", e )
         };
         assert!(matches.opts_present(&["L".to_string()]));
         assert_eq!(matches.opts_str(&["L".to_string()]).unwrap(), "verbose".to_string());
diff --git a/src/librbml/lib.rs b/src/librbml/lib.rs
index 6f3fbe1251008..f65c4f4e3edcc 100644
--- a/src/librbml/lib.rs
+++ b/src/librbml/lib.rs
@@ -120,7 +120,8 @@ pub mod reader {
     use std::io::extensions::u64_from_be_bytes;
     use std::mem::transmute;
     use std::num::Int;
-    use std::option::{None, Option, Some};
+    use std::option::Option;
+    use std::option::Option::{None, Some};
 
     use serialize;
 
@@ -1060,7 +1061,8 @@ mod tests {
 
     use serialize::{Encodable, Decodable};
 
-    use std::option::{None, Option, Some};
+    use std::option::Option;
+    use std::option::Option::{None, Some};
 
     #[test]
     fn test_vuint_at() {
diff --git a/src/librustc_trans/trans/cabi.rs b/src/librustc_trans/trans/cabi.rs
index 0214bf29eeeb9..518b0ba73f8b7 100644
--- a/src/librustc_trans/trans/cabi.rs
+++ b/src/librustc_trans/trans/cabi.rs
@@ -65,8 +65,8 @@ impl ArgType {
         ArgType {
             kind: Indirect,
             ty: ty,
-            cast: option::None,
-            pad: option::None,
+            cast: option::Option::None,
+            pad: option::Option::None,
             attr: attr
         }
     }
diff --git a/src/librustc_typeck/check/demand.rs b/src/librustc_typeck/check/demand.rs
index 2b8a52f050d6f..9eb0e17b8e5be 100644
--- a/src/librustc_typeck/check/demand.rs
+++ b/src/librustc_typeck/check/demand.rs
@@ -15,8 +15,7 @@ use middle::infer;
 use middle::infer::resolve_type;
 use middle::infer::resolve::try_resolve_tvar_shallow;
 
-use std::result::{Err, Ok};
-use std::result;
+use std::result::Result::{Err, Ok};
 use syntax::ast;
 use syntax::codemap::Span;
 use util::ppaux::Repr;
@@ -38,8 +37,8 @@ pub fn suptype_with_fn<'a, 'tcx>(fcx: &FnCtxt<'a, 'tcx>,
     // n.b.: order of actual, expected is reversed
     match infer::mk_subty(fcx.infcx(), b_is_expected, infer::Misc(sp),
                           ty_b, ty_a) {
-      result::Ok(()) => { /* ok */ }
-      result::Err(ref err) => {
+      Ok(()) => { /* ok */ }
+      Err(ref err) => {
           handle_err(sp, ty_a, ty_b, err);
       }
     }
@@ -69,8 +68,8 @@ pub fn coerce<'a, 'tcx>(fcx: &FnCtxt<'a, 'tcx>, sp: Span,
                      try_resolve_tvar_shallow).unwrap_or(expected)
     } else { expected };
     match fcx.mk_assignty(expr, expr_ty, expected) {
-      result::Ok(()) => { /* ok */ }
-      result::Err(ref err) => {
+      Ok(()) => { /* ok */ }
+      Err(ref err) => {
         fcx.report_mismatched_types(sp, expected, expr_ty, err);
       }
     }
diff --git a/src/libstd/ascii.rs b/src/libstd/ascii.rs
index 403ca9d14321a..8fc3c23e88f15 100644
--- a/src/libstd/ascii.rs
+++ b/src/libstd/ascii.rs
@@ -19,7 +19,8 @@ use core::kinds::Sized;
 use fmt;
 use iter::IteratorExt;
 use mem;
-use option::{Option, Some, None};
+use option::Option;
+use option::Option::{Some, None};
 use slice::{SlicePrelude, AsSlice};
 use str::{Str, StrPrelude};
 use string::{String, IntoString};
diff --git a/src/libstd/bitflags.rs b/src/libstd/bitflags.rs
index d8023dd3e4e3b..8a90c06f0385c 100644
--- a/src/libstd/bitflags.rs
+++ b/src/libstd/bitflags.rs
@@ -149,9 +149,9 @@ macro_rules! bitflags {
             #[inline]
             pub fn from_bits(bits: $T) -> ::std::option::Option<$BitFlags> {
                 if (bits & !$BitFlags::all().bits()) != 0 {
-                    ::std::option::None
+                    ::std::option::Option::None
                 } else {
-                    ::std::option::Some($BitFlags { bits: bits })
+                    ::std::option::Option::Some($BitFlags { bits: bits })
                 }
             }
 
@@ -261,7 +261,7 @@ macro_rules! bitflags {
 #[allow(non_upper_case_globals)]
 mod tests {
     use hash;
-    use option::{Some, None};
+    use option::Option::{Some, None};
     use ops::{BitOr, BitAnd, BitXor, Sub, Not};
 
     bitflags! {
diff --git a/src/libstd/c_vec.rs b/src/libstd/c_vec.rs
index 1f94d7b4fa611..f89876f7245e6 100644
--- a/src/libstd/c_vec.rs
+++ b/src/libstd/c_vec.rs
@@ -38,7 +38,8 @@
 use kinds::Send;
 use mem;
 use ops::Drop;
-use option::{Option, Some, None};
+use option::Option;
+use option::Option::{Some, None};
 use ptr::RawPtr;
 use ptr;
 use raw;
diff --git a/src/libstd/collections/hash/map.rs b/src/libstd/collections/hash/map.rs
index cf09c93f91785..8f879bd50d0b3 100644
--- a/src/libstd/collections/hash/map.rs
+++ b/src/libstd/collections/hash/map.rs
@@ -25,8 +25,10 @@ use kinds::Sized;
 use mem::{mod, replace};
 use num::{Int, UnsignedInt};
 use ops::{Deref, Index, IndexMut};
-use option::{Some, None, Option};
-use result::{Result, Ok, Err};
+use option::Option;
+use option::Option::{Some, None};
+use result::Result;
+use result::Result::{Ok, Err};
 
 use super::table;
 use super::table::{
diff --git a/src/libstd/collections/hash/set.rs b/src/libstd/collections/hash/set.rs
index b40622171d52a..fd32d207e79e0 100644
--- a/src/libstd/collections/hash/set.rs
+++ b/src/libstd/collections/hash/set.rs
@@ -19,8 +19,8 @@ use fmt;
 use hash::{Hash, Hasher, RandomSipHasher};
 use iter::{Iterator, IteratorExt, FromIterator, FilterMap, Chain, Repeat, Zip, Extend, repeat};
 use iter;
-use option::{Some, None};
-use result::{Ok, Err};
+use option::Option::{Some, None};
+use result::Result::{Ok, Err};
 
 use super::map::{HashMap, Entries, MoveEntries, INITIAL_CAPACITY};
 
diff --git a/src/libstd/collections/hash/table.rs b/src/libstd/collections/hash/table.rs
index f41ccea0aaf03..de06a1e0bbd6e 100644
--- a/src/libstd/collections/hash/table.rs
+++ b/src/libstd/collections/hash/table.rs
@@ -21,7 +21,8 @@ use mem::{min_align_of, size_of};
 use mem;
 use num::{Int, UnsignedInt};
 use ops::{Deref, DerefMut, Drop};
-use option::{Some, None, Option};
+use option::Option;
+use option::Option::{Some, None};
 use ptr::{RawPtr, copy_nonoverlapping_memory, zero_memory};
 use ptr;
 use rt::heap::{allocate, deallocate};
diff --git a/src/libstd/collections/lru_cache.rs b/src/libstd/collections/lru_cache.rs
index 94bea37d18728..adbc135364be7 100644
--- a/src/libstd/collections/lru_cache.rs
+++ b/src/libstd/collections/lru_cache.rs
@@ -44,10 +44,11 @@ use hash::Hash;
 use iter::{range, Iterator, Extend};
 use mem;
 use ops::Drop;
-use option::{Some, None, Option};
+use option::Option;
+use option::Option::{Some, None};
 use boxed::Box;
 use ptr;
-use result::{Ok, Err};
+use result::Result::{Ok, Err};
 
 // FIXME(conventions): implement iterators?
 // FIXME(conventions): implement indexing?
diff --git a/src/libstd/dynamic_lib.rs b/src/libstd/dynamic_lib.rs
index 160365dac3612..aa0c8b53c2e89 100644
--- a/src/libstd/dynamic_lib.rs
+++ b/src/libstd/dynamic_lib.rs
@@ -280,7 +280,8 @@ pub mod dl {
     use libc;
     use os;
     use ptr;
-    use result::{Ok, Err, Result};
+    use result::Result;
+    use result::Result::{Ok, Err};
     use slice::SlicePrelude;
     use str::StrPrelude;
     use str;
diff --git a/src/libstd/error.rs b/src/libstd/error.rs
index 82ad893f88a1a..9ad2655f6e9db 100644
--- a/src/libstd/error.rs
+++ b/src/libstd/error.rs
@@ -78,7 +78,8 @@
 //! }
 //! ```
 
-use option::{Option, None};
+use option::Option;
+use option::Option::None;
 use kinds::Send;
 use string::String;
 
diff --git a/src/libstd/failure.rs b/src/libstd/failure.rs
index d839c1484e562..58a41f4d7d5a1 100644
--- a/src/libstd/failure.rs
+++ b/src/libstd/failure.rs
@@ -16,8 +16,9 @@ use cell::RefCell;
 use fmt;
 use io::{Writer, IoResult};
 use kinds::Send;
-use option::{Some, None, Option};
-use result::Ok;
+use option::Option;
+use option::Option::{Some, None};
+use result::Result::Ok;
 use rt::backtrace;
 use rustrt::{Stderr, Stdio};
 use rustrt::local::Local;
diff --git a/src/libstd/fmt.rs b/src/libstd/fmt.rs
index 7e1bfd704a927..6a2047d1cef30 100644
--- a/src/libstd/fmt.rs
+++ b/src/libstd/fmt.rs
@@ -406,7 +406,7 @@
 
 use io::Writer;
 use io;
-use result::{Ok, Err};
+use result::Result::{Ok, Err};
 use string;
 use vec::Vec;
 
diff --git a/src/libstd/io/buffered.rs b/src/libstd/io/buffered.rs
index fba9e4f2e25e1..0b2c6843c968e 100644
--- a/src/libstd/io/buffered.rs
+++ b/src/libstd/io/buffered.rs
@@ -16,8 +16,9 @@ use cmp;
 use io::{Reader, Writer, Stream, Buffer, DEFAULT_BUF_SIZE, IoResult};
 use iter::ExactSizeIterator;
 use ops::Drop;
-use option::{Some, None, Option};
-use result::{Ok, Err};
+use option::Option;
+use option::Option::{Some, None};
+use result::Result::{Ok, Err};
 use slice::{SlicePrelude};
 use slice;
 use vec::Vec;
diff --git a/src/libstd/io/comm_adapters.rs b/src/libstd/io/comm_adapters.rs
index a90b6bbbb8e8e..3de0a7be95e8b 100644
--- a/src/libstd/io/comm_adapters.rs
+++ b/src/libstd/io/comm_adapters.rs
@@ -12,8 +12,8 @@ use clone::Clone;
 use cmp;
 use comm::{Sender, Receiver};
 use io;
-use option::{None, Some};
-use result::{Ok, Err};
+use option::Option::{None, Some};
+use result::Result::{Ok, Err};
 use slice::{bytes, CloneSliceAllocPrelude, SlicePrelude};
 use super::{Buffer, Reader, Writer, IoResult};
 use vec::Vec;
diff --git a/src/libstd/io/extensions.rs b/src/libstd/io/extensions.rs
index 4b2ffb4d559c4..1bdf99f6d6dce 100644
--- a/src/libstd/io/extensions.rs
+++ b/src/libstd/io/extensions.rs
@@ -19,9 +19,10 @@ use io::{IoError, IoResult, Reader};
 use io;
 use iter::Iterator;
 use num::Int;
-use option::{Option, Some, None};
+use option::Option;
+use option::Option::{Some, None};
 use ptr::RawPtr;
-use result::{Ok, Err};
+use result::Result::{Ok, Err};
 use slice::{SlicePrelude, AsSlice};
 
 /// An iterator that reads a single byte on each iteration,
diff --git a/src/libstd/io/fs.rs b/src/libstd/io/fs.rs
index e52c00f8247a8..86b2dc4d94053 100644
--- a/src/libstd/io/fs.rs
+++ b/src/libstd/io/fs.rs
@@ -59,10 +59,11 @@ use io::{Read, Truncate, ReadWrite, Append};
 use io::UpdateIoError;
 use io;
 use iter::{Iterator, Extend};
-use option::{Some, None, Option};
+use option::Option;
+use option::Option::{Some, None};
 use path::{Path, GenericPath};
 use path;
-use result::{Err, Ok};
+use result::Result::{Err, Ok};
 use slice::SlicePrelude;
 use string::String;
 use vec::Vec;
diff --git a/src/libstd/io/mem.rs b/src/libstd/io/mem.rs
index c5cd95f8501fa..43e02d62b0b5a 100644
--- a/src/libstd/io/mem.rs
+++ b/src/libstd/io/mem.rs
@@ -15,8 +15,8 @@
 #![allow(deprecated)]
 
 use cmp::min;
-use option::None;
-use result::{Err, Ok};
+use option::Option::None;
+use result::Result::{Err, Ok};
 use io;
 use io::{Reader, Writer, Seek, Buffer, IoError, SeekStyle, IoResult};
 use slice::{mod, AsSlice, SlicePrelude};
diff --git a/src/libstd/io/mod.rs b/src/libstd/io/mod.rs
index b2e4fc75cf238..e0857fd27ffdf 100644
--- a/src/libstd/io/mod.rs
+++ b/src/libstd/io/mod.rs
@@ -233,10 +233,12 @@ use int;
 use iter::{Iterator, IteratorExt};
 use mem::transmute;
 use ops::{BitOr, BitXor, BitAnd, Sub, Not};
-use option::{Option, Some, None};
+use option::Option;
+use option::Option::{Some, None};
 use os;
 use boxed::Box;
-use result::{Ok, Err, Result};
+use result::Result;
+use result::Result::{Ok, Err};
 use sys;
 use slice::{AsSlice, SlicePrelude};
 use str::{Str, StrPrelude};
diff --git a/src/libstd/io/net/addrinfo.rs b/src/libstd/io/net/addrinfo.rs
index 7de7869213091..fea8372733c29 100644
--- a/src/libstd/io/net/addrinfo.rs
+++ b/src/libstd/io/net/addrinfo.rs
@@ -22,7 +22,8 @@ pub use self::Protocol::*;
 use iter::IteratorExt;
 use io::{IoResult};
 use io::net::ip::{SocketAddr, IpAddr};
-use option::{Option, Some, None};
+use option::Option;
+use option::Option::{Some, None};
 use sys;
 use vec::Vec;
 
diff --git a/src/libstd/io/net/ip.rs b/src/libstd/io/net/ip.rs
index 4812e911cc481..9c0fbbe274b3e 100644
--- a/src/libstd/io/net/ip.rs
+++ b/src/libstd/io/net/ip.rs
@@ -21,8 +21,9 @@ use fmt;
 use io::{mod, IoResult, IoError};
 use io::net;
 use iter::{Iterator, IteratorExt};
-use option::{Option, None, Some};
-use result::{Ok, Err};
+use option::Option;
+use option::Option::{None, Some};
+use result::Result::{Ok, Err};
 use str::{FromStr, StrPrelude};
 use slice::{CloneSlicePrelude, SlicePrelude};
 use vec::Vec;
diff --git a/src/libstd/io/net/mod.rs b/src/libstd/io/net/mod.rs
index 5b1747876d7e0..09e5639bea944 100644
--- a/src/libstd/io/net/mod.rs
+++ b/src/libstd/io/net/mod.rs
@@ -11,8 +11,8 @@
 //! Networking I/O
 
 use io::{IoError, IoResult, InvalidInput};
-use option::None;
-use result::{Ok, Err};
+use option::Option::None;
+use result::Result::{Ok, Err};
 use self::ip::{SocketAddr, ToSocketAddr};
 
 pub use self::addrinfo::get_host_addresses;
diff --git a/src/libstd/io/net/tcp.rs b/src/libstd/io/net/tcp.rs
index aa2234175917c..a7b1b077eff0b 100644
--- a/src/libstd/io/net/tcp.rs
+++ b/src/libstd/io/net/tcp.rs
@@ -19,11 +19,12 @@
 
 use clone::Clone;
 use io::IoResult;
-use result::Err;
+use result::Result::Err;
 use io::net::ip::{SocketAddr, ToSocketAddr};
 use io::{Reader, Writer, Listener, Acceptor};
 use io::{standard_error, TimedOut};
-use option::{None, Some, Option};
+use option::Option;
+use option::Option::{None, Some};
 use time::Duration;
 
 use sys::tcp::TcpStream as TcpStreamImp;
diff --git a/src/libstd/io/net/udp.rs b/src/libstd/io/net/udp.rs
index a7239ca0f2f98..a2ad365dd2a0e 100644
--- a/src/libstd/io/net/udp.rs
+++ b/src/libstd/io/net/udp.rs
@@ -19,7 +19,7 @@ use clone::Clone;
 use io::net::ip::{SocketAddr, IpAddr, ToSocketAddr};
 use io::{Reader, Writer, IoResult};
 use option::Option;
-use result::{Ok, Err};
+use result::Result::{Ok, Err};
 use sys::udp::UdpSocket as UdpSocketImp;
 use sys_common;
 
diff --git a/src/libstd/io/result.rs b/src/libstd/io/result.rs
index 305bcf9ecbc9c..32965d23971ed 100644
--- a/src/libstd/io/result.rs
+++ b/src/libstd/io/result.rs
@@ -15,7 +15,7 @@
 //! as a `Reader` without unwrapping the result first.
 
 use clone::Clone;
-use result::{Ok, Err};
+use result::Result::{Ok, Err};
 use super::{Reader, Writer, Listener, Acceptor, Seek, SeekStyle, IoResult};
 
 impl<W: Writer> Writer for IoResult<W> {
diff --git a/src/libstd/io/stdio.rs b/src/libstd/io/stdio.rs
index ad5dcf71df737..cf2df0da7fe7b 100644
--- a/src/libstd/io/stdio.rs
+++ b/src/libstd/io/stdio.rs
@@ -37,9 +37,10 @@ use io::{Reader, Writer, IoResult, IoError, OtherIoError, Buffer,
 use kinds::Send;
 use libc;
 use mem;
-use option::{Option, Some, None};
+use option::Option;
+use option::Option::{Some, None};
 use ops::{Deref, DerefMut};
-use result::{Ok, Err};
+use result::Result::{Ok, Err};
 use rustrt;
 use rustrt::local::Local;
 use rustrt::task::Task;
diff --git a/src/libstd/io/tempfile.rs b/src/libstd/io/tempfile.rs
index 4788ba79b7fa8..f3a119399952d 100644
--- a/src/libstd/io/tempfile.rs
+++ b/src/libstd/io/tempfile.rs
@@ -14,10 +14,11 @@ use io::{fs, IoResult};
 use io;
 use libc;
 use ops::Drop;
-use option::{Option, None, Some};
+use option::Option;
+use option::Option::{None, Some};
 use os;
 use path::{Path, GenericPath};
-use result::{Ok, Err};
+use result::Result::{Ok, Err};
 use sync::atomic;
 
 /// A wrapper for a path to temporary directory implementing automatic
diff --git a/src/libstd/os.rs b/src/libstd/os.rs
index a8adfec34ed68..ba9bcc05546cd 100644
--- a/src/libstd/os.rs
+++ b/src/libstd/os.rs
@@ -40,14 +40,16 @@ use libc::{c_void, c_int};
 use libc;
 use boxed::Box;
 use ops::Drop;
-use option::{Some, None, Option};
+use option::Option;
+use option::Option::{Some, None};
 use os;
 use path::{Path, GenericPath, BytesContainer};
 use sys;
 use sys::os as os_imp;
 use ptr::RawPtr;
 use ptr;
-use result::{Err, Ok, Result};
+use result::Result;
+use result::Result::{Err, Ok};
 use slice::{AsSlice, SlicePrelude, PartialEqSlicePrelude};
 use slice::CloneSliceAllocPrelude;
 use str::{Str, StrPrelude, StrAllocating};
@@ -160,7 +162,8 @@ pub fn getcwd() -> IoResult<Path> {
 pub mod windows {
     use libc::types::os::arch::extra::DWORD;
     use libc;
-    use option::{None, Option};
+    use option::Option;
+    use option::Option::None;
     use option;
     use os::TMPBUF_SZ;
     use slice::{SlicePrelude};
@@ -196,7 +199,7 @@ pub mod windows {
                     // set `res` to None and continue.
                     let s = String::from_utf16(sub)
                         .expect("fill_utf16_buf_and_decode: closure created invalid UTF-16");
-                    res = option::Some(s)
+                    res = option::Option::Some(s)
                 }
             }
             return res;
@@ -1797,7 +1800,7 @@ mod tests {
     fn test_setenv() {
         let n = make_rand_name();
         setenv(n.as_slice(), "VALUE");
-        assert_eq!(getenv(n.as_slice()), option::Some("VALUE".to_string()));
+        assert_eq!(getenv(n.as_slice()), option::Option::Some("VALUE".to_string()));
     }
 
     #[test]
@@ -1805,7 +1808,7 @@ mod tests {
         let n = make_rand_name();
         setenv(n.as_slice(), "VALUE");
         unsetenv(n.as_slice());
-        assert_eq!(getenv(n.as_slice()), option::None);
+        assert_eq!(getenv(n.as_slice()), option::Option::None);
     }
 
     #[test]
@@ -1814,9 +1817,9 @@ mod tests {
         let n = make_rand_name();
         setenv(n.as_slice(), "1");
         setenv(n.as_slice(), "2");
-        assert_eq!(getenv(n.as_slice()), option::Some("2".to_string()));
+        assert_eq!(getenv(n.as_slice()), option::Option::Some("2".to_string()));
         setenv(n.as_slice(), "");
-        assert_eq!(getenv(n.as_slice()), option::Some("".to_string()));
+        assert_eq!(getenv(n.as_slice()), option::Option::Some("".to_string()));
     }
 
     // Windows GetEnvironmentVariable requires some extra work to make sure
@@ -1833,7 +1836,7 @@ mod tests {
         let n = make_rand_name();
         setenv(n.as_slice(), s.as_slice());
         debug!("{}", s.clone());
-        assert_eq!(getenv(n.as_slice()), option::Some(s));
+        assert_eq!(getenv(n.as_slice()), option::Option::Some(s));
     }
 
     #[test]
@@ -1870,7 +1873,7 @@ mod tests {
             // MingW seems to set some funky environment variables like
             // "=C:=C:\MinGW\msys\1.0\bin" and "!::=::\" that are returned
             // from env() but not visible from getenv().
-            assert!(v2.is_none() || v2 == option::Some(v));
+            assert!(v2.is_none() || v2 == option::Option::Some(v));
         }
     }
 
@@ -1957,7 +1960,7 @@ mod tests {
 
     #[test]
     fn memory_map_rw() {
-        use result::{Ok, Err};
+        use result::Result::{Ok, Err};
 
         let chunk = match os::MemoryMap::new(16, &[
             os::MapReadable,
@@ -1976,7 +1979,7 @@ mod tests {
 
     #[test]
     fn memory_map_file() {
-        use result::{Ok, Err};
+        use result::Result::{Ok, Err};
         use os::*;
         use libc::*;
         use io::fs;
diff --git a/src/libstd/path/mod.rs b/src/libstd/path/mod.rs
index b17106e811f62..01b42395471fc 100644
--- a/src/libstd/path/mod.rs
+++ b/src/libstd/path/mod.rs
@@ -66,7 +66,8 @@ use c_str::CString;
 use clone::Clone;
 use fmt;
 use iter::IteratorExt;
-use option::{Option, None, Some};
+use option::Option;
+use option::Option::{None, Some};
 use str;
 use str::{CowString, MaybeOwned, Str, StrPrelude};
 use string::String;
diff --git a/src/libstd/path/posix.rs b/src/libstd/path/posix.rs
index f6778588addb9..d6d27daf4ae8b 100644
--- a/src/libstd/path/posix.rs
+++ b/src/libstd/path/posix.rs
@@ -17,7 +17,8 @@ use hash;
 use io::Writer;
 use iter::{DoubleEndedIteratorExt, AdditiveIterator, Extend};
 use iter::{Iterator, IteratorExt, Map};
-use option::{Option, None, Some};
+use option::Option;
+use option::Option::{None, Some};
 use kinds::Sized;
 use str::{FromStr, Str};
 use str;
diff --git a/src/libstd/path/windows.rs b/src/libstd/path/windows.rs
index 13891a6333014..08e318d32b9fc 100644
--- a/src/libstd/path/windows.rs
+++ b/src/libstd/path/windows.rs
@@ -23,7 +23,8 @@ use io::Writer;
 use iter::{AdditiveIterator, DoubleEndedIteratorExt, Extend};
 use iter::{Iterator, IteratorExt, Map};
 use mem;
-use option::{Option, Some, None};
+use option::Option;
+use option::Option::{Some, None};
 use slice::{AsSlice, SlicePrelude};
 use str::{CharSplits, FromStr, Str, StrAllocating, StrVector, StrPrelude};
 use string::String;
diff --git a/src/libstd/rand/mod.rs b/src/libstd/rand/mod.rs
index da690f5d154df..413d9267152eb 100644
--- a/src/libstd/rand/mod.rs
+++ b/src/libstd/rand/mod.rs
@@ -227,7 +227,7 @@ use io::IoResult;
 use iter::{Iterator, IteratorExt};
 use mem;
 use rc::Rc;
-use result::{Ok, Err};
+use result::Result::{Ok, Err};
 use vec::Vec;
 
 #[cfg(not(target_word_size="64"))]
diff --git a/src/libstd/rand/os.rs b/src/libstd/rand/os.rs
index 2a4d8347c30c9..37628b65388e7 100644
--- a/src/libstd/rand/os.rs
+++ b/src/libstd/rand/os.rs
@@ -23,7 +23,7 @@ mod imp {
     use path::Path;
     use rand::Rng;
     use rand::reader::ReaderRng;
-    use result::{Ok, Err};
+    use result::Result::{Ok, Err};
     use slice::SlicePrelude;
     use mem;
     use os::errno;
@@ -173,7 +173,7 @@ mod imp {
     use mem;
     use os;
     use rand::Rng;
-    use result::{Ok};
+    use result::Result::{Ok};
     use self::libc::{c_int, size_t};
     use slice::{SlicePrelude};
 
@@ -240,7 +240,7 @@ mod imp {
     use ops::Drop;
     use os;
     use rand::Rng;
-    use result::{Ok, Err};
+    use result::Result::{Ok, Err};
     use self::libc::{DWORD, BYTE, LPCSTR, BOOL};
     use self::libc::types::os::arch::extra::{LONG_PTR};
     use slice::{SlicePrelude};
diff --git a/src/libstd/rand/reader.rs b/src/libstd/rand/reader.rs
index 796bf7853f73b..ca6322247c2ab 100644
--- a/src/libstd/rand/reader.rs
+++ b/src/libstd/rand/reader.rs
@@ -12,7 +12,7 @@
 
 use io::Reader;
 use rand::Rng;
-use result::{Ok, Err};
+use result::Result::{Ok, Err};
 use slice::SlicePrelude;
 
 /// An RNG that reads random bytes straight from a `Reader`. This will
diff --git a/src/libstd/rt/backtrace.rs b/src/libstd/rt/backtrace.rs
index 159fc3080e836..3698a91855cd6 100644
--- a/src/libstd/rt/backtrace.rs
+++ b/src/libstd/rt/backtrace.rs
@@ -14,9 +14,9 @@
 
 use io::{IoResult, Writer};
 use iter::{Iterator, IteratorExt};
-use option::{Some, None};
+use option::Option::{Some, None};
 use os;
-use result::{Ok, Err};
+use result::Result::{Ok, Err};
 use str::{StrPrelude, from_str};
 use sync::atomic;
 use unicode::char::UnicodeChar;
@@ -236,8 +236,9 @@ mod imp {
     use io::{IoResult, Writer};
     use libc;
     use mem;
-    use option::{Some, None, Option};
-    use result::{Ok, Err};
+    use option::Option;
+    use option::Option::{Some, None};
+    use result::Result::{Ok, Err};
     use sync::{StaticMutex, MUTEX_INIT};
 
     /// As always - iOS on arm uses SjLj exceptions and
@@ -664,9 +665,9 @@ mod imp {
     use libc;
     use mem;
     use ops::Drop;
-    use option::{Some, None};
+    use option::Option::{Some, None};
     use path::Path;
-    use result::{Ok, Err};
+    use result::Result::{Ok, Err};
     use sync::{StaticMutex, MUTEX_INIT};
     use slice::SlicePrelude;
     use str::StrPrelude;
diff --git a/src/libstd/rt/util.rs b/src/libstd/rt/util.rs
index 92657d1b59bee..ce359c7b0e006 100644
--- a/src/libstd/rt/util.rs
+++ b/src/libstd/rt/util.rs
@@ -9,7 +9,8 @@
 // except according to those terms.
 
 use libc::uintptr_t;
-use option::{Some, None, Option};
+use option::Option;
+use option::Option::{Some, None};
 use os;
 use str::{FromStr, from_str, Str};
 use sync::atomic;
diff --git a/src/libstd/sys/unix/fs.rs b/src/libstd/sys/unix/fs.rs
index 4b47b768d600c..a773ef7e31747 100644
--- a/src/libstd/sys/unix/fs.rs
+++ b/src/libstd/sys/unix/fs.rs
@@ -20,7 +20,7 @@ use prelude::*;
 use io::{FilePermission, Write, UnstableFileStat, Open, FileAccess, FileMode};
 use io::{IoResult, FileStat, SeekStyle, Reader};
 use io::{Read, Truncate, SeekCur, SeekSet, ReadWrite, SeekEnd, Append};
-use result::{Ok, Err};
+use result::Result::{Ok, Err};
 use sys::retry;
 use sys_common::{keep_going, eof, mkerr_libc};
 
diff --git a/src/libstd/task.rs b/src/libstd/task.rs
index a0ee08570d90d..8b4dbf61c181d 100644
--- a/src/libstd/task.rs
+++ b/src/libstd/task.rs
@@ -49,7 +49,8 @@ use boxed::Box;
 use comm::channel;
 use io::{Writer, stdio};
 use kinds::{Send, marker};
-use option::{None, Some, Option};
+use option::Option;
+use option::Option::{None, Some};
 use result::Result;
 use rustrt::local::Local;
 use rustrt::task::Task;
@@ -172,9 +173,10 @@ impl TaskBuilder {
     /// # Return value
     ///
     /// If the child task executes successfully (without panicking) then the
-    /// future returns `result::Ok` containing the value returned by the
-    /// function. If the child task panics then the future returns `result::Err`
-    /// containing the argument to `panic!(...)` as an `Any` trait object.
+    /// future returns `result::Result::Ok` containing the value returned by the
+    /// function. If the child task panics then the future returns
+    /// `result::Result::Err` containing the argument to `panic!(...)` as an
+    /// `Any` trait object.
     #[experimental = "Futures are experimental."]
     pub fn try_future<T:Send>(self, f: proc():Send -> T)
                               -> Future<Result<T, Box<Any + Send>>> {
@@ -268,7 +270,7 @@ mod test {
     use borrow::IntoCow;
     use boxed::BoxAny;
     use prelude::*;
-    use result::{Ok, Err};
+    use result::Result::{Ok, Err};
     use result;
     use std::io::{ChanReader, ChanWriter};
     use string::String;
@@ -330,7 +332,7 @@ mod test {
         match try(proc() {
             "Success!".to_string()
         }).as_ref().map(|s| s.as_slice()) {
-            result::Ok("Success!") => (),
+            result::Result::Ok("Success!") => (),
             _ => panic!()
         }
     }
@@ -340,8 +342,8 @@ mod test {
         match try(proc() {
             panic!()
         }) {
-            result::Err(_) => (),
-            result::Ok(()) => panic!()
+            result::Result::Err(_) => (),
+            result::Result::Ok(()) => panic!()
         }
     }
 
diff --git a/src/libstd/thread_local/mod.rs b/src/libstd/thread_local/mod.rs
index e2e8461ea54d4..029b8bf113877 100644
--- a/src/libstd/thread_local/mod.rs
+++ b/src/libstd/thread_local/mod.rs
@@ -115,7 +115,7 @@ macro_rules! thread_local(
             use std::cell::UnsafeCell as __UnsafeCell;
             use std::thread_local::KeyInner as __KeyInner;
             use std::option::Option as __Option;
-            use std::option::None as __None;
+            use std::option::Option::None as __None;
 
             __thread_local_inner!(static __KEY: __UnsafeCell<__Option<$t>> = {
                 __UnsafeCell { value: __None }
@@ -132,7 +132,7 @@ macro_rules! thread_local(
             use std::cell::UnsafeCell as __UnsafeCell;
             use std::thread_local::KeyInner as __KeyInner;
             use std::option::Option as __Option;
-            use std::option::None as __None;
+            use std::option::Option::None as __None;
 
             __thread_local_inner!(static __KEY: __UnsafeCell<__Option<$t>> = {
                 __UnsafeCell { value: __None }
@@ -198,7 +198,7 @@ macro_rules! __thread_local_inner(
                 inner: ::std::cell::UnsafeCell { value: $init },
                 os: ::std::thread_local::OsStaticKey {
                     inner: ::std::thread_local::OS_INIT_INNER,
-                    dtor: ::std::option::Some(__destroy),
+                    dtor: ::std::option::Option::Some(__destroy),
                 },
             }
         };
diff --git a/src/libstd/time/duration.rs b/src/libstd/time/duration.rs
index ec2d62ff85cb1..63eb9a9873624 100644
--- a/src/libstd/time/duration.rs
+++ b/src/libstd/time/duration.rs
@@ -14,9 +14,11 @@
 
 use {fmt, i64};
 use ops::{Add, Sub, Mul, Div, Neg};
-use option::{Option, Some, None};
+use option::Option;
+use option::Option::{Some, None};
 use num::Int;
-use result::{Result, Ok, Err};
+use result::Result;
+use result::Result::{Ok, Err};
 
 /// The number of nanoseconds in a microsecond.
 const NANOS_PER_MICRO: i32 = 1000;
@@ -387,7 +389,7 @@ fn div_rem_64(this: i64, other: i64) -> (i64, i64) {
 mod tests {
     use super::{Duration, MIN, MAX};
     use {i32, i64};
-    use option::{Some, None};
+    use option::Option::{Some, None};
     use string::ToString;
 
     #[test]
diff --git a/src/libsyntax/ext/build.rs b/src/libsyntax/ext/build.rs
index bd01e5e643020..b4bb1a1a52963 100644
--- a/src/libsyntax/ext/build.rs
+++ b/src/libsyntax/ext/build.rs
@@ -680,6 +680,7 @@ impl<'a> AstBuilder for ExtCtxt<'a> {
         let some = vec!(
             self.ident_of("std"),
             self.ident_of("option"),
+            self.ident_of("Option"),
             self.ident_of("Some"));
         self.expr_call_global(sp, some, vec!(expr))
     }
@@ -688,6 +689,7 @@ impl<'a> AstBuilder for ExtCtxt<'a> {
         let none = self.path_global(sp, vec!(
             self.ident_of("std"),
             self.ident_of("option"),
+            self.ident_of("Option"),
             self.ident_of("None")));
         self.expr_path(none)
     }
@@ -732,6 +734,7 @@ impl<'a> AstBuilder for ExtCtxt<'a> {
         let ok = vec!(
             self.ident_of("std"),
             self.ident_of("result"),
+            self.ident_of("Result"),
             self.ident_of("Ok"));
         self.expr_call_global(sp, ok, vec!(expr))
     }
@@ -740,6 +743,7 @@ impl<'a> AstBuilder for ExtCtxt<'a> {
         let err = vec!(
             self.ident_of("std"),
             self.ident_of("result"),
+            self.ident_of("Result"),
             self.ident_of("Err"));
         self.expr_call_global(sp, err, vec!(expr))
     }
@@ -810,6 +814,7 @@ impl<'a> AstBuilder for ExtCtxt<'a> {
         let some = vec!(
             self.ident_of("std"),
             self.ident_of("option"),
+            self.ident_of("Option"),
             self.ident_of("Some"));
         let path = self.path_global(span, some);
         self.pat_enum(span, path, vec!(pat))
@@ -819,6 +824,7 @@ impl<'a> AstBuilder for ExtCtxt<'a> {
         let some = vec!(
             self.ident_of("std"),
             self.ident_of("option"),
+            self.ident_of("Option"),
             self.ident_of("None"));
         let path = self.path_global(span, some);
         self.pat_enum(span, path, vec!())
@@ -828,6 +834,7 @@ impl<'a> AstBuilder for ExtCtxt<'a> {
         let some = vec!(
             self.ident_of("std"),
             self.ident_of("result"),
+            self.ident_of("Result"),
             self.ident_of("Ok"));
         let path = self.path_global(span, some);
         self.pat_enum(span, path, vec!(pat))
@@ -837,6 +844,7 @@ impl<'a> AstBuilder for ExtCtxt<'a> {
         let some = vec!(
             self.ident_of("std"),
             self.ident_of("result"),
+            self.ident_of("Result"),
             self.ident_of("Err"));
         let path = self.path_global(span, some);
         self.pat_enum(span, path, vec!(pat))
diff --git a/src/libsyntax/ext/deriving/cmp/ord.rs b/src/libsyntax/ext/deriving/cmp/ord.rs
index 98345e1dd6724..787c6e844d514 100644
--- a/src/libsyntax/ext/deriving/cmp/ord.rs
+++ b/src/libsyntax/ext/deriving/cmp/ord.rs
@@ -105,6 +105,7 @@ pub fn cs_partial_cmp(cx: &mut ExtCtxt, span: Span,
     let ordering = cx.path_global(span,
                                   vec!(cx.ident_of("std"),
                                        cx.ident_of("cmp"),
+                                       cx.ident_of("Ordering"),
                                        cx.ident_of("Equal")));
     let ordering = cx.expr_path(ordering);
     let equals_expr = cx.expr_some(span, ordering);
@@ -120,9 +121,9 @@ pub fn cs_partial_cmp(cx: &mut ExtCtxt, span: Span,
     Builds:
 
     let __test = ::std::cmp::PartialOrd::partial_cmp(&self_field1, &other_field1);
-    if __test == ::std::option::Some(::std::cmp::Equal) {
+    if __test == ::std::option::Option::Some(::std::cmp::Ordering::Equal) {
         let __test = ::std::cmp::PartialOrd::partial_cmp(&self_field2, &other_field2);
-        if __test == ::std::option::Some(::std::cmp::Equal) {
+        if __test == ::std::option::Option::Some(::std::cmp::Ordering::Equal) {
             ...
         } else {
             __test
@@ -139,7 +140,7 @@ pub fn cs_partial_cmp(cx: &mut ExtCtxt, span: Span,
         false,
         |cx, span, old, self_f, other_fs| {
             // let __test = new;
-            // if __test == Some(::std::cmp::Equal) {
+            // if __test == Some(::std::cmp::Ordering::Equal) {
             //    old
             // } else {
             //    __test
diff --git a/src/libsyntax/ext/deriving/cmp/totalord.rs b/src/libsyntax/ext/deriving/cmp/totalord.rs
index d84ad677e5df5..83af45462ec6e 100644
--- a/src/libsyntax/ext/deriving/cmp/totalord.rs
+++ b/src/libsyntax/ext/deriving/cmp/totalord.rs
@@ -70,9 +70,9 @@ pub fn cs_cmp(cx: &mut ExtCtxt, span: Span,
     Builds:
 
     let __test = self_field1.cmp(&other_field2);
-    if other == ::std::cmp::Equal {
+    if other == ::std::cmp::Ordering::Equal {
         let __test = self_field2.cmp(&other_field2);
-        if __test == ::std::cmp::Equal {
+        if __test == ::std::cmp::Ordering::Equal {
             ...
         } else {
             __test
@@ -89,7 +89,7 @@ pub fn cs_cmp(cx: &mut ExtCtxt, span: Span,
         false,
         |cx, span, old, new| {
             // let __test = new;
-            // if __test == ::std::cmp::Equal {
+            // if __test == ::std::cmp::Ordering::Equal {
             //    old
             // } else {
             //    __test
diff --git a/src/libsyntax/ext/env.rs b/src/libsyntax/ext/env.rs
index 87e257c52cd25..e6a44c57f1b65 100644
--- a/src/libsyntax/ext/env.rs
+++ b/src/libsyntax/ext/env.rs
@@ -36,6 +36,7 @@ pub fn expand_option_env<'cx>(cx: &'cx mut ExtCtxt, sp: Span, tts: &[ast::TokenT
                                    true,
                                    vec!(cx.ident_of("std"),
                                         cx.ident_of("option"),
+                                        cx.ident_of("Option"),
                                         cx.ident_of("None")),
                                    Vec::new(),
                                    vec!(cx.ty_rptr(sp,
@@ -50,6 +51,7 @@ pub fn expand_option_env<'cx>(cx: &'cx mut ExtCtxt, sp: Span, tts: &[ast::TokenT
           cx.expr_call_global(sp,
                               vec!(cx.ident_of("std"),
                                    cx.ident_of("option"),
+                                   cx.ident_of("Option"),
                                    cx.ident_of("Some")),
                               vec!(cx.expr_str(sp,
                                                token::intern_and_get_ident(
diff --git a/src/libterm/terminfo/parm.rs b/src/libterm/terminfo/parm.rs
index d644542db0732..3c909a3c70842 100644
--- a/src/libterm/terminfo/parm.rs
+++ b/src/libterm/terminfo/parm.rs
@@ -576,7 +576,7 @@ fn format(val: Param, op: FormatOp, flags: Flags) -> Result<Vec<u8> ,String> {
 #[cfg(test)]
 mod test {
     use super::{expand,Param,Words,Variables,Number};
-    use std::result::Ok;
+    use std::result::Result::Ok;
 
     #[test]
     fn test_basic_setabf() {
diff --git a/src/libtime/lib.rs b/src/libtime/lib.rs
index a77a6276a8b4e..06a0df852b936 100644
--- a/src/libtime/lib.rs
+++ b/src/libtime/lib.rs
@@ -1262,7 +1262,7 @@ mod tests {
                 InvalidFormatSpecifier};
 
     use std::f64;
-    use std::result::{Err, Ok};
+    use std::result::Result::{Err, Ok};
     use std::time::Duration;
     use self::test::Bencher;
 
diff --git a/src/libunicode/normalize.rs b/src/libunicode/normalize.rs
index cd46fc6a56dd0..29a8b1204b856 100644
--- a/src/libunicode/normalize.rs
+++ b/src/libunicode/normalize.rs
@@ -10,8 +10,9 @@
 
 //! Functions for computing canonical and compatible decompositions for Unicode characters.
 
-use core::cmp::{Equal, Less, Greater};
-use core::option::{Option, Some, None};
+use core::cmp::Ordering::{Equal, Less, Greater};
+use core::option::Option;
+use core::option::Option::{Some, None};
 use core::slice;
 use core::slice::SlicePrelude;
 use tables::normalization::{canonical_table, compatibility_table, composition_table};
diff --git a/src/libunicode/tables.rs b/src/libunicode/tables.rs
index 7cece6701dc85..c91ce5c6464e8 100644
--- a/src/libunicode/tables.rs
+++ b/src/libunicode/tables.rs
@@ -17,7 +17,7 @@
 pub const UNICODE_VERSION: (uint, uint, uint) = (7, 0, 0);
 
 fn bsearch_range_table(c: char, r: &'static [(char,char)]) -> bool {
-    use core::cmp::{Equal, Less, Greater};
+    use core::cmp::Ordering::{Equal, Less, Greater};
     use core::slice::SlicePrelude;
     r.binary_search(|&(lo,hi)| {
         if lo <= c && c <= hi { Equal }
@@ -6241,7 +6241,7 @@ pub mod normalization {
 
 
     fn bsearch_range_value_table(c: char, r: &'static [(char, char, u8)]) -> u8 {
-        use core::cmp::{Equal, Less, Greater};
+        use core::cmp::Ordering::{Equal, Less, Greater};
         use core::slice::SlicePrelude;
         use core::slice;
         match r.binary_search(|&(lo, hi, _)| {
@@ -6366,10 +6366,11 @@ pub mod normalization {
 }
 
 pub mod conversions {
-    use core::cmp::{Equal, Less, Greater};
+    use core::cmp::Ordering::{Equal, Less, Greater};
     use core::slice::SlicePrelude;
     use core::tuple::Tuple2;
-    use core::option::{Option, Some, None};
+    use core::option::Option;
+    use core::option::Option::{Some, None};
     use core::slice;
 
     pub fn to_lower(c: char) -> char {
@@ -6934,12 +6935,13 @@ pub mod conversions {
 }
 
 pub mod charwidth {
-    use core::option::{Option, Some, None};
+    use core::option::Option;
+    use core::option::Option::{Some, None};
     use core::slice::SlicePrelude;
     use core::slice;
 
     fn bsearch_range_value_table(c: char, is_cjk: bool, r: &'static [(char, char, u8, u8)]) -> u8 {
-        use core::cmp::{Equal, Less, Greater};
+        use core::cmp::Ordering::{Equal, Less, Greater};
         match r.binary_search(|&(lo, hi, _, _)| {
             if lo <= c && c <= hi { Equal }
             else if hi < c { Less }
@@ -7154,7 +7156,7 @@ pub mod grapheme {
     }
 
     fn bsearch_range_value_table(c: char, r: &'static [(char, char, GraphemeCat)]) -> GraphemeCat {
-        use core::cmp::{Equal, Less, Greater};
+        use core::cmp::Ordering::{Equal, Less, Greater};
         match r.binary_search(|&(lo, hi, _)| {
             if lo <= c && c <= hi { Equal }
             else if hi < c { Less }
diff --git a/src/libunicode/u_str.rs b/src/libunicode/u_str.rs
index a5f7614257595..e4b2b682b2cff 100644
--- a/src/libunicode/u_str.rs
+++ b/src/libunicode/u_str.rs
@@ -21,7 +21,8 @@ use core::slice::SlicePrelude;
 use core::iter::{Filter, AdditiveIterator, Iterator, IteratorExt};
 use core::iter::{DoubleEndedIterator, DoubleEndedIteratorExt};
 use core::kinds::Sized;
-use core::option::{Option, None, Some};
+use core::option::Option;
+use core::option::Option::{None, Some};
 use core::str::{CharSplits, StrPrelude};
 use u_char::UnicodeChar;
 use tables::grapheme::GraphemeCat;
diff --git a/src/test/bench/shootout-k-nucleotide-pipes.rs b/src/test/bench/shootout-k-nucleotide-pipes.rs
index 4005c11e6b614..45d2cbea8fad9 100644
--- a/src/test/bench/shootout-k-nucleotide-pipes.rs
+++ b/src/test/bench/shootout-k-nucleotide-pipes.rs
@@ -77,8 +77,8 @@ fn sort_and_fmt(mm: &HashMap<Vec<u8> , uint>, total: uint) -> String {
 fn find(mm: &HashMap<Vec<u8> , uint>, key: String) -> uint {
    let key = key.into_ascii().as_slice().to_lowercase().into_string();
    match mm.get(key.as_bytes()) {
-      option::None      => { return 0u; }
-      option::Some(&num) => { return num; }
+      option::Option::None      => { return 0u; }
+      option::Option::Some(&num) => { return num; }
    }
 }
 
@@ -190,8 +190,8 @@ fn main() {
            // start processing if this is the one
            ('>', false) => {
                match line.as_slice().slice_from(1).find_str("THREE") {
-                   option::Some(_) => { proc_mode = true; }
-                   option::None    => { }
+                   option::Option::Some(_) => { proc_mode = true; }
+                   option::Option::None    => { }
                }
            }
 
diff --git a/src/test/bench/shootout-pfib.rs b/src/test/bench/shootout-pfib.rs
index 9cc86e91fbed7..15a5cb0c9bfff 100644
--- a/src/test/bench/shootout-pfib.rs
+++ b/src/test/bench/shootout-pfib.rs
@@ -21,7 +21,7 @@
 extern crate getopts;
 
 use std::os;
-use std::result::{Ok, Err};
+use std::result::Result::{Ok, Err};
 use std::task;
 use std::time::Duration;
 
diff --git a/src/test/compile-fail/lint-unused-imports.rs b/src/test/compile-fail/lint-unused-imports.rs
index d9bf722f73e42..b1a6c82a734fe 100644
--- a/src/test/compile-fail/lint-unused-imports.rs
+++ b/src/test/compile-fail/lint-unused-imports.rs
@@ -18,8 +18,8 @@ use std::mem::*;            // shouldn't get errors for not using
                             // everything imported
 
 // Should get errors for both 'Some' and 'None'
-use std::option::{Some, None}; //~ ERROR unused import
-                                //~^ ERROR unused import
+use std::option::Option::{Some, None}; //~ ERROR unused import
+                                     //~^ ERROR unused import
 
 use test::A;       //~ ERROR unused import
 // Be sure that if we just bring some methods into scope that they're also
diff --git a/src/test/run-fail/result-get-panic.rs b/src/test/run-fail/result-get-panic.rs
index 6098b97c79a94..df14efd6c3a97 100644
--- a/src/test/run-fail/result-get-panic.rs
+++ b/src/test/run-fail/result-get-panic.rs
@@ -10,8 +10,8 @@
 
 // error-pattern:called `Result::unwrap()` on an `Err` value
 
-use std::result;
+use std::result::Result::Err;
 
 fn main() {
-    println!("{}", result::Err::<int,String>("kitty".to_string()).unwrap());
+    println!("{}", Err::<int,String>("kitty".to_string()).unwrap());
 }
diff --git a/src/test/run-pass/deriving-cmp-shortcircuit.rs b/src/test/run-pass/deriving-cmp-shortcircuit.rs
index fd59b804da376..b68d8058381d2 100644
--- a/src/test/run-pass/deriving-cmp-shortcircuit.rs
+++ b/src/test/run-pass/deriving-cmp-shortcircuit.rs
@@ -39,5 +39,5 @@ pub fn main() {
 
     assert!(a != b);
     assert!(a < b);
-    assert_eq!(a.cmp(&b), ::std::cmp::Less);
+    assert_eq!(a.cmp(&b), ::std::cmp::Ordering::Less);
 }
diff --git a/src/test/run-pass/deriving-self-lifetime-totalord-totaleq.rs b/src/test/run-pass/deriving-self-lifetime-totalord-totaleq.rs
index 1187a9a8bc4a7..d63c264479a93 100644
--- a/src/test/run-pass/deriving-self-lifetime-totalord-totaleq.rs
+++ b/src/test/run-pass/deriving-self-lifetime-totalord-totaleq.rs
@@ -10,7 +10,7 @@
 
 // ignore-test FIXME #11820: & is unreliable in deriving
 
-use std::cmp::{Less,Equal,Greater};
+use std::cmp::Ordering::{Less,Equal,Greater};
 
 #[deriving(Eq,Ord)]
 struct A<'a> {
diff --git a/src/test/run-pass/enum-nullable-const-null-with-fields.rs b/src/test/run-pass/enum-nullable-const-null-with-fields.rs
index a48f3bcd59ca4..4b839d740fc7a 100644
--- a/src/test/run-pass/enum-nullable-const-null-with-fields.rs
+++ b/src/test/run-pass/enum-nullable-const-null-with-fields.rs
@@ -8,7 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-use std::result::{Result,Ok};
+use std::result::Result;
+use std::result::Result::Ok;
 
 static C: Result<(), Box<int>> = Ok(());
 
diff --git a/src/test/run-pass/issue-2804.rs b/src/test/run-pass/issue-2804.rs
index ec19b95ab1a48..6f1f2cea8ec3c 100644
--- a/src/test/run-pass/issue-2804.rs
+++ b/src/test/run-pass/issue-2804.rs
@@ -24,14 +24,14 @@ enum object {
 fn lookup(table: json::Object, key: String, default: String) -> String
 {
     match table.find(&key.to_string()) {
-        option::Some(&Json::String(ref s)) => {
+        option::Option::Some(&Json::String(ref s)) => {
             s.to_string()
         }
-        option::Some(value) => {
+        option::Option::Some(value) => {
             println!("{} was expected to be a string but is a {}", key, value);
             default
         }
-        option::None => {
+        option::Option::None => {
             default
         }
     }
diff --git a/src/test/run-pass/issue-3424.rs b/src/test/run-pass/issue-3424.rs
index 2dac64b2ec81f..81efacb9bcbad 100644
--- a/src/test/run-pass/issue-3424.rs
+++ b/src/test/run-pass/issue-3424.rs
@@ -20,7 +20,7 @@ type rsrc_loader = proc(path: &Path):'static -> result::Result<String, String>;
 fn tester()
 {
     let loader: rsrc_loader = proc(_path) {
-        result::Ok("more blah".to_string())
+        result::Result::Ok("more blah".to_string())
     };
 
     let path = path::Path::new("blah");
diff --git a/src/test/run-pass/nullable-pointer-iotareduction.rs b/src/test/run-pass/nullable-pointer-iotareduction.rs
index 520d067bca326..da1ad094df6a0 100644
--- a/src/test/run-pass/nullable-pointer-iotareduction.rs
+++ b/src/test/run-pass/nullable-pointer-iotareduction.rs
@@ -41,9 +41,9 @@ macro_rules! check_option {
         check_option!($e: $T, |ptr| assert!(*ptr == $e));
     }};
     ($e:expr: $T:ty, |$v:ident| $chk:expr) => {{
-        assert!(option::None::<$T>.is_none());
+        assert!(option::Option::None::<$T>.is_none());
         let e = $e;
-        let s_ = option::Some::<$T>(e);
+        let s_ = option::Option::Some::<$T>(e);
         let $v = s_.as_ref().unwrap();
         $chk
     }}
diff --git a/src/test/run-pass/send_str_hashmap.rs b/src/test/run-pass/send_str_hashmap.rs
index ef485723c7e2b..1b0f2ec0a327f 100644
--- a/src/test/run-pass/send_str_hashmap.rs
+++ b/src/test/run-pass/send_str_hashmap.rs
@@ -11,7 +11,7 @@
 extern crate collections;
 
 use std::collections::HashMap;
-use std::option::Some;
+use std::option::Option::Some;
 use std::str::SendStr;
 
 pub fn main() {
diff --git a/src/test/run-pass/send_str_treemap.rs b/src/test/run-pass/send_str_treemap.rs
index f72ca109b6e68..9334b673b515e 100644
--- a/src/test/run-pass/send_str_treemap.rs
+++ b/src/test/run-pass/send_str_treemap.rs
@@ -11,7 +11,7 @@
 extern crate collections;
 
 use self::collections::TreeMap;
-use std::option::Some;
+use std::option::Option::Some;
 use std::str::SendStr;
 use std::string::ToString;