Upgrade to rand 0.6

Cargo.toml

@@ -1,12 +1,12 @@
 [package]
 name = "parity-wordlist"
-version = "1.2.1"
+version = "1.3.0"
 description = "Word list used to generate brain wallets for Parity."
 license = "GPL-3.0"
 authors = ["Parity Technologies <admin@parity.io>"]
 repository = "https://github.com/paritytech/wordlist"
 
 [dependencies]
 lazy_static = "1.0"
-rand = "0.5"
+rand = "0.6"
 itertools = "0.5"

src/lib.rs

@@ -27,7 +27,7 @@ extern crate rand;
 use std::fmt;
 use std::collections::HashSet;
 use itertools::Itertools;
-use rand::{Rng, OsRng};
+use rand::{rngs::OsRng, seq::SliceRandom};
 
 /// The list of dictionary words.
 // the wordlist JSON also happens to be valid Rust syntax for an array constant.
@@ -40,7 +40,7 @@ pub const WORDS: &'static [&'static str] = &include!("../res/wordlist.json");
 /// which is enough to saturate 32-byte key space
 pub fn random_phrase(no_of_words: usize) -> String {
 	let mut rng = OsRng::new().expect("Not able to operate without random source.");
-	(0..no_of_words).map(|_| rng.choose(WORDS).unwrap()).join(" ")
+	(0..no_of_words).map(|_| WORDS.choose(&mut rng).unwrap()).join(" ")
 }
 
 /// Phrase Validation Error