From 3f871d1779e4154619b362bb7094df7bb264ca76 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=D0=94=D0=B0=D0=BC=D1=98=D0=B0=D0=BD=20=D0=93=D0=B5=D0=BE?=
 =?UTF-8?q?=D1=80=D0=B3=D0=B8=D0=B5=D0=B2=D1=81=D0=BA=D0=B8?=
 <gdamjan@gmail.com>
Date: Sat, 20 Oct 2018 17:15:05 +0200
Subject: [PATCH] explicit caching instead of the default cache: cargo

Based on the suggestions at
https://levans.fr/rust_travis_cache.html
"Beware the rust cache on Travis"
---
 .travis.yml | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/.travis.yml b/.travis.yml
index b3353de..072fe3f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,4 @@
 language: rust
-cache: cargo
 rust: stable
 sudo: false
 
@@ -39,3 +38,13 @@ deploy:
     # channel to use to produce the release artifacts
     condition: $TRAVIS_RUST_VERSION = stable
     tags: true
+
+# Need to cache the whole `.cargo` directory to keep .crates.toml for
+# cargo-update to work
+cache:
+  directories:
+    - /home/travis/.cargo
+
+# But don't cache the cargo registry
+before_cache:
+  - rm -rf /home/travis/.cargo/registry