Upgrade rust/crates/rand_core to 0.6.3 am: fe04fdcde4 am: b73ecfa75f

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/rand_core/+/1740265

Change-Id: I89222a11943718fd2d2e7414ee9889f22b9c5d69

9 files changed, 255 insertions, 13 deletions

diff --git a/.cargo_vcs_info.json b/.cargo_vcs_info.json
index 3fd44e0..7f98fc0 100644
--- a/.cargo_vcs_info.json
+++ b/.cargo_vcs_info.json
@@ -1,5 +1,5 @@
 {
   "git": {
-    "sha1": "3a03c9eb5350e03a3f540dba2ee34e0984f2c2c2"
+    "sha1": "8792268dfe57e49bb4518190bf4fe66176759a44"
   }
 }
diff --git a/Android.bp b/Android.bp
index 67a44cc..f530d1f 100644
--- a/Android.bp
+++ b/Android.bp
@@ -1,4 +1,5 @@
 // This file is generated by cargo2android.py --device --run --features=std --dependencies --tests.
+// Do not modify this file as changes will be overridden on upgrade.
 
 package {
     default_applicable_licenses: ["external_rust_crates_rand_core_license"],
@@ -85,5 +86,5 @@ rust_test {
 
 // dependent_library ["feature_list"]
 //   cfg-if-1.0.0
-//   getrandom-0.2.2 "std"
-//   libc-0.2.86
+//   getrandom-0.2.3 "std"
+//   libc-0.2.97
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 23d1fa5..82c8300 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,11 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [0.6.3] - 2021-06-15
+### Changed
+- Improved bound for `serde` impls on `BlockRng` (#1130)
+- Minor doc additions (#1118)
+
 ## [0.6.2] - 2021-02-12
 ### Fixed
 - Fixed assertions in `le::read_u32_into` and `le::read_u64_into` which could
diff --git a/Cargo.toml b/Cargo.toml
index 51b8385..06ba1e8 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -13,7 +13,7 @@
 [package]
 edition = "2018"
 name = "rand_core"
-version = "0.6.2"
+version = "0.6.3"
 authors = ["The Rand Project Developers", "The Rust Project Developers"]
 description = "Core random number generator traits and tools for implementation.\n"
 homepage = "https://rust-random.github.io/book"
diff --git a/Cargo.toml.orig b/Cargo.toml.orig
index d460757..6604bc5 100644
--- a/Cargo.toml.orig
+++ b/Cargo.toml.orig
@@ -1,6 +1,6 @@
 [package]
 name = "rand_core"
-version = "0.6.2"
+version = "0.6.3"
 authors = ["The Rand Project Developers", "The Rust Project Developers"]
 license = "MIT OR Apache-2.0"
 readme = "README.md"
diff --git a/METADATA b/METADATA
index 0e7aa20..6c047cf 100644
--- a/METADATA
+++ b/METADATA
@@ -7,13 +7,13 @@ third_party {
   }
   url {
     type: ARCHIVE
-    value: "https://static.crates.io/crates/rand_core/rand_core-0.6.2.crate"
+    value: "https://static.crates.io/crates/rand_core/rand_core-0.6.3.crate"
   }
-  version: "0.6.2"
+  version: "0.6.3"
   license_type: NOTICE
   last_upgrade_date {
     year: 2021
-    month: 2
-    day: 17
+    month: 6
+    day: 21
   }
 }
diff --git a/TEST_MAPPING b/TEST_MAPPING
index 963506b..a8cbf10 100644
--- a/TEST_MAPPING
+++ b/TEST_MAPPING
@@ -2,16 +2,241 @@
 {
   "presubmit": [
     {
-      "name": "rand_xorshift_device_test_tests_mod"
+      "name": "crossbeam-epoch_device_test_src_lib"
+    },
+    {
+      "name": "crossbeam-epoch_device_test_tests_loom"
+    },
+    {
+      "name": "crossbeam-utils_device_test_src_lib"
+    },
+    {
+      "name": "crossbeam-utils_device_test_tests_atomic_cell"
+    },
+    {
+      "name": "crossbeam-utils_device_test_tests_cache_padded"
+    },
+    {
+      "name": "crossbeam-utils_device_test_tests_parker"
+    },
+    {
+      "name": "crossbeam-utils_device_test_tests_sharded_lock"
+    },
+    {
+      "name": "crossbeam-utils_device_test_tests_thread"
+    },
+    {
+      "name": "crossbeam-utils_device_test_tests_wait_group"
     },
     {
       "name": "keystore2_test"
     },
     {
+      "name": "rand_core_device_test_src_lib"
+    },
+    {
       "name": "rand_xorshift_device_test_src_lib"
     },
     {
-      "name": "rand_core_device_test_src_lib"
+      "name": "rand_xorshift_device_test_tests_mod"
+    },
+    {
+      "name": "tokio_device_test_tests__require_full"
+    },
+    {
+      "name": "tokio_device_test_tests_buffered"
+    },
+    {
+      "name": "tokio_device_test_tests_io_async_fd"
+    },
+    {
+      "name": "tokio_device_test_tests_io_async_read"
+    },
+    {
+      "name": "tokio_device_test_tests_io_chain"
+    },
+    {
+      "name": "tokio_device_test_tests_io_copy"
+    },
+    {
+      "name": "tokio_device_test_tests_io_copy_bidirectional"
+    },
+    {
+      "name": "tokio_device_test_tests_io_driver"
+    },
+    {
+      "name": "tokio_device_test_tests_io_driver_drop"
+    },
+    {
+      "name": "tokio_device_test_tests_io_lines"
+    },
+    {
+      "name": "tokio_device_test_tests_io_mem_stream"
+    },
+    {
+      "name": "tokio_device_test_tests_io_read"
+    },
+    {
+      "name": "tokio_device_test_tests_io_read_buf"
+    },
+    {
+      "name": "tokio_device_test_tests_io_read_exact"
+    },
+    {
+      "name": "tokio_device_test_tests_io_read_line"
+    },
+    {
+      "name": "tokio_device_test_tests_io_read_to_end"
+    },
+    {
+      "name": "tokio_device_test_tests_io_read_to_string"
+    },
+    {
+      "name": "tokio_device_test_tests_io_read_until"
+    },
+    {
+      "name": "tokio_device_test_tests_io_split"
+    },
+    {
+      "name": "tokio_device_test_tests_io_take"
+    },
+    {
+      "name": "tokio_device_test_tests_io_write"
+    },
+    {
+      "name": "tokio_device_test_tests_io_write_all"
+    },
+    {
+      "name": "tokio_device_test_tests_io_write_buf"
+    },
+    {
+      "name": "tokio_device_test_tests_io_write_int"
+    },
+    {
+      "name": "tokio_device_test_tests_macros_join"
+    },
+    {
+      "name": "tokio_device_test_tests_macros_pin"
+    },
+    {
+      "name": "tokio_device_test_tests_macros_select"
+    },
+    {
+      "name": "tokio_device_test_tests_macros_test"
+    },
+    {
+      "name": "tokio_device_test_tests_macros_try_join"
+    },
+    {
+      "name": "tokio_device_test_tests_net_bind_resource"
+    },
+    {
+      "name": "tokio_device_test_tests_net_lookup_host"
+    },
+    {
+      "name": "tokio_device_test_tests_no_rt"
+    },
+    {
+      "name": "tokio_device_test_tests_process_kill_on_drop"
+    },
+    {
+      "name": "tokio_device_test_tests_rt_basic"
+    },
+    {
+      "name": "tokio_device_test_tests_rt_common"
+    },
+    {
+      "name": "tokio_device_test_tests_rt_threaded"
+    },
+    {
+      "name": "tokio_device_test_tests_sync_barrier"
+    },
+    {
+      "name": "tokio_device_test_tests_sync_broadcast"
+    },
+    {
+      "name": "tokio_device_test_tests_sync_errors"
+    },
+    {
+      "name": "tokio_device_test_tests_sync_mpsc"
+    },
+    {
+      "name": "tokio_device_test_tests_sync_mutex"
+    },
+    {
+      "name": "tokio_device_test_tests_sync_mutex_owned"
+    },
+    {
+      "name": "tokio_device_test_tests_sync_notify"
+    },
+    {
+      "name": "tokio_device_test_tests_sync_oneshot"
+    },
+    {
+      "name": "tokio_device_test_tests_sync_rwlock"
+    },
+    {
+      "name": "tokio_device_test_tests_sync_semaphore"
+    },
+    {
+      "name": "tokio_device_test_tests_sync_semaphore_owned"
+    },
+    {
+      "name": "tokio_device_test_tests_sync_watch"
+    },
+    {
+      "name": "tokio_device_test_tests_task_abort"
+    },
+    {
+      "name": "tokio_device_test_tests_task_blocking"
+    },
+    {
+      "name": "tokio_device_test_tests_task_local"
+    },
+    {
+      "name": "tokio_device_test_tests_task_local_set"
+    },
+    {
+      "name": "tokio_device_test_tests_tcp_accept"
+    },
+    {
+      "name": "tokio_device_test_tests_tcp_connect"
+    },
+    {
+      "name": "tokio_device_test_tests_tcp_echo"
+    },
+    {
+      "name": "tokio_device_test_tests_tcp_into_split"
+    },
+    {
+      "name": "tokio_device_test_tests_tcp_into_std"
+    },
+    {
+      "name": "tokio_device_test_tests_tcp_peek"
+    },
+    {
+      "name": "tokio_device_test_tests_tcp_shutdown"
+    },
+    {
+      "name": "tokio_device_test_tests_tcp_socket"
+    },
+    {
+      "name": "tokio_device_test_tests_tcp_split"
+    },
+    {
+      "name": "tokio_device_test_tests_time_rt"
+    },
+    {
+      "name": "tokio_device_test_tests_udp"
+    },
+    {
+      "name": "tokio_device_test_tests_uds_cred"
+    },
+    {
+      "name": "tokio_device_test_tests_uds_split"
+    },
+    {
+      "name": "vpnprofilestore_test"
     }
   ]
 }
diff --git a/src/block.rs b/src/block.rs
index 005d071..a54cadf 100644
--- a/src/block.rs
+++ b/src/block.rs
@@ -114,6 +114,12 @@ pub trait BlockRngCore {
 /// [`try_fill_bytes`]: RngCore::try_fill_bytes
 #[derive(Clone)]
 #[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]
+#[cfg_attr(
+    feature = "serde1",
+    serde(
+        bound = "for<'x> R: Serialize + Deserialize<'x> + Sized, for<'x> R::Results: Serialize + Deserialize<'x>"
+    )
+)]
 pub struct BlockRng<R: BlockRngCore + ?Sized> {
     results: R::Results,
     index: usize,
diff --git a/src/lib.rs b/src/lib.rs
index 7e847ae..bc24270 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -76,12 +76,17 @@ pub mod le;
 /// [`next_u32`] or [`next_u64`] since the latter methods are almost always used
 /// with algorithmic generators (PRNGs), which are normally infallible.
 ///
+/// Implementers should produce bits uniformly. Pathological RNGs (e.g. always
+/// returning the same value, or never setting certain bits) can break rejection
+/// sampling used by random distributions, and also break other RNGs when
+/// seeding them via [`SeedableRng::from_rng`].
+///
 /// Algorithmic generators implementing [`SeedableRng`] should normally have
 /// *portable, reproducible* output, i.e. fix Endianness when converting values
 /// to avoid platform differences, and avoid making any changes which affect
 /// output (except by communicating that the release has breaking changes).
 ///
-/// Typically implementators will implement only one of the methods available
+/// Typically an RNG will implement only one of the methods available
 /// in this trait directly, then use the helper functions from the
 /// [`impls`] module to implement the other methods.
 ///
@@ -480,7 +485,7 @@ mod test {
             // This is the binomial distribution B(64, 0.5), so chance of
             // weight < 20 is binocdf(19, 64, 0.5) = 7.8e-4, and same for
             // weight > 44.
-            assert!(weight >= 20 && weight <= 44);
+            assert!((20..=44).contains(&weight));
 
             for (i2, r2) in results.iter().enumerate() {
                 if i1 == i2 {