From 2ef62f0e2d05b95b68c321de2bcb3d3cf16f20b3 Mon Sep 17 00:00:00 2001
From: Paul Osborne <osbpau@gmail.com>
Date: Fri, 18 Mar 2016 14:02:45 -0500
Subject: [PATCH] adress warning and update travis test versions

Signed-off-by: Paul Osborne <osbpau@gmail.com>
---
 .travis.yml | 8 +-------
 pstree.rs   | 2 +-
 2 files changed, 2 insertions(+), 8 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index 2d8d34d..adca627 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,15 +1,9 @@
 sudo: false
 language: rust
 rust:
-  - 1.0.0
-  - 1.1.0
-  - 1.2.0
-  - 1.3.0
-  - 1.4.0
-  - 1.5.0
+  - stable
   - beta
   - nightly
 
 script:
-  - cargo build --verbose
   - cargo test --verbose
diff --git a/pstree.rs b/pstree.rs
index 67e78da..641b8af 100644
--- a/pstree.rs
+++ b/pstree.rs
@@ -175,7 +175,7 @@ fn build_process_tree() -> ProcessTree {
 
 fn print_node(node : &ProcessTreeNode, indent_level : i32) {
     // print indentation
-    for _ in (0..indent_level) {
+    for _ in 0..indent_level {
         print!("  ");
     }
     println!("- {} #{}", node.record.name, node.record.pid);