Further shorten work of travis

.travis.yml

@@ -1,22 +1,9 @@
-# Based on the "trust" template v0.1.2
-# https://github.com/japaric/trust/tree/v0.1.2
 language: rust
 rust:
   - stable
-  - beta
-  - nightly
 sudo: required
 env: TARGET=x86_64-unknown-linux-gnu
 
-# TODO Rust builds on stable by default, this can be
-# overridden on a case by case basis down below.
-matrix:
-  allow_failures:
-    - rust: nightly
-    - name: clippy
-  fast_finish: true
-
-
 before_install:
   - set -e
   - rustup self update
@@ -28,8 +15,8 @@ before_install:
 
   #TODO: remove -A clippy::new_ret_no_self when new version of clippy gets released!
 script:
-  - cross check --verbose
-  - cross test --all-features --release --verbose
+  - cargo check --all-features
+  - cargo test --all-features
 
 cache: cargo
 before_cache: