Update crossbeam dependencies (requires Rust 1.36)

Author: mbrubeck

.github/workflows/ci.yaml

@@ -8,15 +8,15 @@ on:
 jobs:
 
   check:
-    name: Check (1.31.0)
+    name: Check (1.36.0)
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
         uses: actions/checkout@v2
       - name: Install
         uses: actions-rs/toolchain@v1
         with:
-          toolchain: 1.31.0
+          toolchain: 1.36.0
           profile: minimal
           override: true
       - name: Prepare Cargo.lock

.github/workflows/pr.yaml

@@ -8,15 +8,15 @@ env:
 jobs:
 
   check:
-    name: Check (1.31.0)
+    name: Check (1.36.0)
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
         uses: actions/checkout@v2
       - name: Install
         uses: actions-rs/toolchain@v1
         with:
-          toolchain: 1.31.0
+          toolchain: 1.36.0
           profile: minimal
           override: true
       - name: Prepare Cargo.lock

Cargo.toml

@@ -20,7 +20,7 @@ exclude = ["ci"]
 
 [dependencies]
 rayon-core = { version = "1.8.1", path = "rayon-core" }
-crossbeam-deque = "0.7.2"
+crossbeam-deque = "0.8.0"
 
 # This is a public dependency!
 [dependencies.either]

README.md

@@ -2,7 +2,7 @@
 
 [![Rayon crate](https://img.shields.io/crates/v/rayon.svg)](https://crates.io/crates/rayon)
 [![Rayon documentation](https://docs.rs/rayon/badge.svg)](https://docs.rs/rayon)
-![minimum rustc 1.31](https://img.shields.io/badge/rustc-1.31+-red.svg)
+![minimum rustc 1.36](https://img.shields.io/badge/rustc-1.36+-red.svg)
 ![build status](https://github.com/rayon-rs/rayon/workflows/master/badge.svg)
 [![Join the chat at https://gitter.im/rayon-rs/Lobby](https://badges.gitter.im/rayon-rs/Lobby.svg)](https://gitter.im/rayon-rs/Lobby?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
 
@@ -84,7 +84,7 @@ just add:
 use rayon::prelude::*;
 ```
 
-Rayon currently requires `rustc 1.31.0` or greater.
+Rayon currently requires `rustc 1.36.0` or greater.
 
 ## Contribution
 

bors.toml

@@ -1,5 +1,5 @@
 status = [
-  "Check (1.31.0)",
+  "Check (1.36.0)",
   "Test (ubuntu-latest, stable)",
   "Test (ubuntu-latest, stable-i686)",
   "Test (ubuntu-latest, beta)",