chore(travis): run script with --verbose

.travis.sh

@@ -3,10 +3,10 @@
 if [ "$BENCH" != "" ]
 then
     echo "cargo bench $FEATURES"
-    cargo bench $FEATURES
+    cargo bench --verbose $FEATURES
 else
     echo "cargo build $FEATURES"
-    cargo build $FEATURES
+    cargo build --verbose  $FEATURES
     echo "cargo test $FEATURES"
-    cargo test $FEATURES
+    cargo test --verbose $FEATURES
 fi