Appveyor should target Rust 1.20

mzmonsour · mzmonsour · commit c29b9f7277cc · 2017-09-26T20:15:25.000-04:00
diff --git a/appveyor.yml b/appveyor.yml
@@ -1,8 +1,8 @@
 environment:
   matrix:
-    - TARGET: 1.18.0-x86_64-pc-windows
+    - TARGET: 1.20.0-x86_64-pc-windows
       COMPILER: gnu
-    - TARGET: 1.18.0-x86_64-pc-windows
+    - TARGET: 1.20.0-x86_64-pc-windows
       COMPILER: msvc
     - TARGET: nightly-x86_64-pc-windows
       COMPILER: msvc
