Messing with travis 2.

.travis.yml

@@ -5,14 +5,18 @@ matrix:
   allow_failures:
     - rust: nightly
   fast_finish: true
-cache: cargo
+cache:
+  directories:
+    - /home/travis/.cargo
+before_cache:
+  - rm -rf /home/travis/.cargo/registry
 before_script:
   - psql -c "create user rrr with password 'rrr' superuser;" -U postgres
   - psql -c 'create database rrr with owner rrr;' -U postgres
-  - cargo install --force diesel_cli --no-default-features --features postgres
 before_install:
   - cd server
 script:
+  - cargo install --force diesel_cli --no-default-features --features postgres
   - diesel migration run
   - cargo build
   - cargo test