Deprecate in-tree `rand`, `std::rand` and `#[derive(Rand)]`.

Use the crates.io crate `rand` (version 0.1 should be a drop in
replacement for `std::rand`) and `rand_macros` (`#[derive_Rand]` should
be a drop-in replacement).

[breaking-change]

8 files changed, 12 insertions, 1 deletions

diff --git a/src/libstd/collections/hash/map.rs b/src/libstd/collections/hash/map.rs
index 3e2c7627dbe..449c8a9e5dc 100644
--- a/src/libstd/collections/hash/map.rs
+++ b/src/libstd/collections/hash/map.rs
@@ -1566,6 +1566,7 @@ pub struct RandomState {
 impl RandomState {
     /// Construct a new `RandomState` that is initialized with random keys.
     #[inline]
+    #[allow(deprecated)]
     pub fn new() -> RandomState {
         let mut r = rand::thread_rng();
         RandomState { k0: r.gen(), k1: r.gen() }
diff --git a/src/libstd/lib.rs b/src/libstd/lib.rs
index 96aebb735ef..21197f639ad 100644
--- a/src/libstd/lib.rs
+++ b/src/libstd/lib.rs
@@ -142,7 +142,7 @@ extern crate core;
 #[macro_reexport(vec)]
 extern crate "collections" as core_collections;
 
-extern crate "rand" as core_rand;
+#[allow(deprecated)] extern crate "rand" as core_rand;
 extern crate alloc;
 extern crate unicode;
 extern crate libc;
diff --git a/src/libstd/num/strconv.rs b/src/libstd/num/strconv.rs
index 1d3bf484edb..9c4741b3ce3 100644
--- a/src/libstd/num/strconv.rs
+++ b/src/libstd/num/strconv.rs
@@ -459,6 +459,7 @@ mod tests {
 
 #[cfg(test)]
 mod bench {
+    #![allow(deprecated)] // rand
     extern crate test;
 
     mod uint {
diff --git a/src/libstd/old_io/fs.rs b/src/libstd/old_io/fs.rs
index 0a9aeb849be..82ede30cb91 100644
--- a/src/libstd/old_io/fs.rs
+++ b/src/libstd/old_io/fs.rs
@@ -822,6 +822,7 @@ fn access_string(access: FileAccess) -> &'static str {
 #[allow(unused_imports)]
 #[allow(unused_variables)]
 #[allow(unused_mut)]
+#[allow(deprecated)] // rand
 mod test {
     use prelude::v1::*;
     use old_io::{SeekSet, SeekCur, SeekEnd, Read, Open, ReadWrite, FileType};
diff --git a/src/libstd/old_io/tempfile.rs b/src/libstd/old_io/tempfile.rs
index 20cbde5db71..d2c3a8e60ad 100644
--- a/src/libstd/old_io/tempfile.rs
+++ b/src/libstd/old_io/tempfile.rs
@@ -9,6 +9,7 @@
 // except according to those terms.
 
 //! Temporary files and directories
+#![allow(deprecated)] // rand
 
 use old_io::{fs, IoError, IoErrorKind, IoResult};
 use old_io;
diff --git a/src/libstd/os.rs b/src/libstd/os.rs
index 600ca60349a..7a9f61f1d64 100644
--- a/src/libstd/os.rs
+++ b/src/libstd/os.rs
@@ -1425,6 +1425,8 @@ mod arch_consts {
 
 #[cfg(test)]
 mod tests {
+    #![allow(deprecated)] // rand
+
     use prelude::v1::*;
 
     use iter::repeat;
diff --git a/src/libstd/rand/mod.rs b/src/libstd/rand/mod.rs
index 211abc2fc83..48ff6db4392 100644
--- a/src/libstd/rand/mod.rs
+++ b/src/libstd/rand/mod.rs
@@ -220,6 +220,9 @@
 //! ```
 
 #![unstable(feature = "rand")]
+#![deprecated(reason = "use the crates.io `rand` library instead",
+              since = "1.0.0-alpha")]
+#![allow(deprecated)]
 
 use cell::RefCell;
 use clone::Clone;
diff --git a/src/libstd/sync/rwlock.rs b/src/libstd/sync/rwlock.rs
index 95b570dd9c8..63ca5b5669a 100644
--- a/src/libstd/sync/rwlock.rs
+++ b/src/libstd/sync/rwlock.rs
@@ -383,6 +383,8 @@ impl<'a, T> Drop for RwLockWriteGuard<'a, T> {
 
 #[cfg(test)]
 mod tests {
+    #![allow(deprecated)] // rand
+
     use prelude::v1::*;
 
     use rand::{self, Rng};