From b1d81710d770f82659f736e44c5dfe4a846f780e Mon Sep 17 00:00:00 2001
From: kngwyu <yuji.kngw.80s.revive@gmail.com>
Date: Thu, 6 Sep 2018 18:03:18 +0900
Subject: [PATCH] Fix duplicated warning for rand::Rng::gen_ascii_chars

---
 src/actions/format.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/actions/format.rs b/src/actions/format.rs
index f697eacd252..fc3a7a0ac32 100644
--- a/src/actions/format.rs
+++ b/src/actions/format.rs
@@ -18,7 +18,7 @@ use std::path::{Path, PathBuf};
 use std::process::{Command, Stdio};
 
 use log::debug;
-use rand::{thread_rng, Rng};
+use rand::{distributions, thread_rng, Rng};
 use rustfmt_nightly::{Config, Input, Session};
 use serde_json;
 
@@ -117,7 +117,7 @@ fn format_internal(input: String, config: Config) -> Result<String, String> {
 fn random_file() -> Result<(File, PathBuf), String> {
     const SUFFIX_LEN: usize = 10;
 
-    let suffix: String = thread_rng().gen_ascii_chars().take(SUFFIX_LEN).collect();
+    let suffix: String = thread_rng().sample_iter(&distributions::Alphanumeric).take(SUFFIX_LEN).collect();
     let path = temp_dir().join(suffix);
 
     Ok(File::create(&path)