travis: exclude cross-build job from deploy
diff --git a/.travis.yml b/.travis.yml
index ad7c04b..c3d6880 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -169,7 +169,7 @@
     github-token: $GITHUB_TOKEN
     on:
       branch: master
-      condition: $TRAVIS_RUST_VERSION = stable && $TRAVIS_OS_NAME = linux && $NGINX_VER = ""
+      condition: $TRAVIS_RUST_VERSION = stable && $TRAVIS_OS_NAME = linux && $NGINX_VER = "" && TARGET = ""
   # publish docker images on master
   - provider: script
     skip-cleanup: true