Fix version string, cache cargo symbols.

6 years ago · 4113df4780
1 changed files with 2 additions and 1 deletions
--- a/.travis.yml
+++ b/.travis.yml
@ -1,7 +1,8 @@
 language: rust
 rust:
-  - 1.31
+  - 1.31.0

+cache: cargo

 script:
  - cargo test --verbose --release --all