Only test nightly for now

retep998 · retep998 · commit c4f52aef0e7e · 2018-06-30T10:22:34.000-04:00
don't build docs due to rust-lang/rust#51661
diff --git a/.travis.yml b/.travis.yml
@@ -1,13 +1,10 @@
 language: rust
 sudo: false
 rust:
-  - stable
-  - beta
   - nightly
 script:
   - cargo build --verbose
   - cargo test --verbose
-  - cargo doc --verbose
 notifications:
   email: false
   irc:
