diff --git a/.appveyor.yml b/.appveyor.yml
index 5080a22aded9..f7d3f990ac99 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -9,7 +9,8 @@ environment:
 branches:
   # whitelist
   only:
-    - master
+    - auto
+    - try
 
 cache:
     - '%USERPROFILE%\.cargo'
diff --git a/.travis.yml b/.travis.yml
index 1ba55e0c724a..e78c4b9b8b4f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -12,6 +12,9 @@ os:
 - osx
 dist: xenial
 
+# Run in PRs and for bors, but not on master.
+if: branch = auto OR branch = try OR type = pull_request
+
 env:
   global:
   - RUST_TEST_NOCAPTURE=1
@@ -53,3 +56,5 @@ notifications:
 branches:
   only:
   - master
+  - auto
+  - try