From 714e1739482ea0772b8ece944bcb5c37f703685d Mon Sep 17 00:00:00 2001
From: Stjepan Glavina <stjepang@gmail.com>
Date: Mon, 9 Sep 2019 09:26:00 +0200
Subject: [PATCH] Cache cargo artifacts

---
 .travis.yml | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/.travis.yml b/.travis.yml
index ff3a53d..569aceb 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,16 @@
 language: rust
 
-env: RUSTFLAGS="-D warnings"
+env:
+  - RUSTFLAGS="-D warnings"
+
+# Cache the whole `~/.cargo` directory to keep `~/cargo/.crates.toml`.
+cache:
+  directories:
+    - /home/travis/.cargo
+
+# Don't cache the cargo registry because it's too big.
+before_cache:
+  - rm -rf /home/travis/.cargo/registry
 
 matrix:
   fast_finish: true