Disable cargo caching

danieldk · danieldk · commit e0d43b1c06fe · 2019-06-30T19:28:34.000+02:00
This gives problems with pyo3-pack being installed already.
diff --git a/.travis.yml b/.travis.yml
@@ -1,6 +1,5 @@
 language: rust
 dist: xenial
-cache: cargo
 
 addons:
   apt:
