Try fixing Travis
diff --git a/.travis.yml b/.travis.yml
index f8a1e6d..fcbd1ab 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -15,5 +15,5 @@
 script:
   - cargo fmt --all -- --check
   - cargo check --benches --bins --examples --tests
-  - CARGO_TARGET_X86_64_UNKNOWN_LINUX_GNU_RUNNER="valgrind --leak-check=full --error-exitcode=1" \
+  - CARGO_TARGET_X86_64_UNKNOWN_LINUX_GNU_RUNNER="valgrind --leak-check=full --error-exitcode=1"
     cargo test