From 2977eb0509980703e5174d2b77e65356dcf1aacc Mon Sep 17 00:00:00 2001
From: Alexis Mousset <contact@amousset.me>
Date: Thu, 22 Oct 2015 23:45:20 +0200
Subject: [PATCH] Travis build without sudo

---
 .travis.yml | 29 +++++++++++++++++++++--------
 1 file changed, 21 insertions(+), 8 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index d4d1dca..02008b1 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,21 +1,34 @@
 language: rust
-sudo: required
 
 rust:
   - stable
   - beta
   - nightly
+
+sudo: false
+
+cache:
+    apt: true
+    directories:
+        - target/debug/deps
+        - target/debug/build
+
+install: pip install 'travis-cargo<0.2' --user && export PATH=$HOME/.local/bin:$PATH
+
+addons:
+  apt:
+    packages:
+      - postfix
+
 before_script:
-  - sudo apt-get update -qq
-  - sudo apt-get install -y postfix
-  - pip install 'travis-cargo<0.2' --user && export PATH=$HOME/.local/bin:$PATH
   - smtp-sink 2525 1000&
+
 script:
-  - |
-      travis-cargo build &&
-      travis-cargo test &&
-      travis-cargo doc
+  - travis-cargo build
+  - travis-cargo test
+  - travis-cargo doc
   - 'if [ $TRAVIS_RUST_VERSION = nightly ]; then cargo bench; fi'
+
 after_success:
   - travis-cargo --only stable doc-upload
   - travis-cargo --only stable coveralls