GITHUB_TOKEN not defined on main repo

.travis.yml

@@ -9,14 +9,14 @@ addons:
       - doxygen
 
 script:
-    #  - docker build .
+  - docker build .
   - doxygen doxygen.conf
   
-deploy:
+    #deploy:
-  provider: pages
+    #  provider: pages
-  skip_cleanup: true
+    #  skip_cleanup: true
-  local_dir: public
+    #  local_dir: public
-  github_token: $GITHUB_TOKEN
+    #  github_token: $GITHUB_TOKEN
-  keep-history: true
+    #  keep-history: true
-  on:
+    #  on:
-    branch: master
+    #    branch: master