Bump clippy version and rust nightly to 2017-10-09

Author: killercup

.travis.yml

@@ -7,11 +7,11 @@ rust:
 - nightly
 matrix:
   include:
-  - rust: nightly-2017-03-15
+  - rust: nightly-2017-10-09
     env: CLIPPY=YESPLEASE
     script: |
-        cargo +nightly-2017-03-15 install clippy --vers "0.0.120"
-        cargo +nightly-2017-03-15 clippy
+        cargo +nightly-2017-10-09 install clippy --vers "0.0.165"
+        cargo +nightly-2017-10-09 clippy -- -D warnings
 before_script:
 - |
   pip install 'travis-cargo<0.2' --user &&