From 6ae00838437a932add676cbb821763d99c99d5af Mon Sep 17 00:00:00 2001
From: Paul Hauner <paul@paulhauner.com>
Date: Wed, 24 Apr 2019 11:41:33 +1000
Subject: [PATCH] Add travis caching.

Reference for commands: https://levans.fr/rust_travis_cache.html
---
 .travis.yml | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/.travis.yml b/.travis.yml
index 70b9d21333..f89db54c96 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,4 +1,9 @@
 language: rust
+cache:
+  directories:
+    - /home/travis/.cargo
+before_cache:
+  - rm -rf /home/travis/.cargo/registry
 before_install:
   - curl -OL https://github.com/google/protobuf/releases/download/v3.4.0/protoc-3.4.0-linux-x86_64.zip
   - unzip protoc-3.4.0-linux-x86_64.zip -d protoc3