Revert the random_state lint.

CHANGELOG.md

@@ -814,7 +814,6 @@ All notable changes to this project will be documented in this file.
 [`ptr_offset_with_cast`]: https://rust-lang.github.io/rust-clippy/master/index.html#ptr_offset_with_cast
 [`pub_enum_variant_names`]: https://rust-lang.github.io/rust-clippy/master/index.html#pub_enum_variant_names
 [`question_mark`]: https://rust-lang.github.io/rust-clippy/master/index.html#question_mark
-[`random_state`]: https://rust-lang.github.io/rust-clippy/master/index.html#random_state
 [`range_minus_one`]: https://rust-lang.github.io/rust-clippy/master/index.html#range_minus_one
 [`range_plus_one`]: https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
 [`range_step_by_zero`]: https://rust-lang.github.io/rust-clippy/master/index.html#range_step_by_zero

README.md

@@ -7,7 +7,7 @@
 
 A collection of lints to catch common mistakes and improve your [Rust](https://github.com/rust-lang/rust) code.
 
-[There are 291 lints included in this crate!](https://rust-lang.github.io/rust-clippy/master/index.html)
+[There are 290 lints included in this crate!](https://rust-lang.github.io/rust-clippy/master/index.html)
 
 We have a bunch of lint categories to allow you to choose how much Clippy is supposed to ~~annoy~~ help you:
 

clippy_lints/src/lib.rs

@@ -180,7 +180,6 @@ pub mod precedence;
 pub mod ptr;
 pub mod ptr_offset_with_cast;
 pub mod question_mark;
-pub mod random_state;
 pub mod ranges;
 pub mod redundant_clone;
 pub mod redundant_field_names;
@@ -487,7 +486,6 @@ pub fn register_plugins(reg: &mut rustc_plugin::Registry<'_>, conf: &Conf) {
     reg.register_late_lint_pass(box ptr_offset_with_cast::Pass);
     reg.register_late_lint_pass(box redundant_clone::RedundantClone);
     reg.register_late_lint_pass(box slow_vector_initialization::Pass);
-    reg.register_late_lint_pass(box random_state::Pass);
 
     reg.register_lint_group("clippy::restriction", Some("clippy_restriction"), vec![
         arithmetic::FLOAT_ARITHMETIC,
@@ -1027,7 +1025,6 @@ pub fn register_plugins(reg: &mut rustc_plugin::Registry<'_>, conf: &Conf) {
         fallible_impl_from::FALLIBLE_IMPL_FROM,
         mutex_atomic::MUTEX_INTEGER,
         needless_borrow::NEEDLESS_BORROW,
-        random_state::RANDOM_STATE,
         redundant_clone::REDUNDANT_CLONE,
         unwrap::PANICKING_UNWRAP,
         unwrap::UNNECESSARY_UNWRAP,

clippy_lints/src/utils/paths.rs

@@ -73,7 +73,6 @@ pub const PATH_BUF: [&str; 3] = ["std", "path", "PathBuf"];
 pub const PATH_TO_PATH_BUF: [&str; 4] = ["std", "path", "Path", "to_path_buf"];
 pub const PTR_NULL: [&str; 2] = ["ptr", "null"];
 pub const PTR_NULL_MUT: [&str; 2] = ["ptr", "null_mut"];
-pub const RANDOM_STATE: [&str; 5] = ["std", "collections", "hash", "map", "RandomState"];
 pub const RANGE: [&str; 3] = ["core", "ops", "Range"];
 pub const RANGE_ARGUMENT_TRAIT: [&str; 3] = ["core", "ops", "RangeBounds"];
 pub const RANGE_FROM: [&str; 3] = ["core", "ops", "RangeFrom"];

tests/run-pass/used_underscore_binding_macro.rs

@@ -8,7 +8,6 @@
 // except according to those terms.
 
 #![allow(clippy::useless_attribute)] //issue #2910
-#![allow(clippy::random_state)] // issue #3628
 
 #[macro_use]
 extern crate serde_derive;