Do not use USER env var

Author: pontostroy

.travis.yml

@@ -30,7 +30,7 @@ jobs:
       name: build
       script:
          - docker info
-         - docker login -u $USER -p $PASS docker.pkg.github.com
+         - docker login -u $USERN -p $PASS docker.pkg.github.com
          - docker build -t docker.pkg.github.com/$REPO/$IMAGE:$TRAVIS_BRANCH .
          - docker push docker.pkg.github.com/$REPO/$IMAGE:$TRAVIS_BRANCH
     - stage: test
@@ -150,7 +150,7 @@ jobs:
 script:
   - mkdir -p /dev/shm/couch
   - docker run -d -v /dev/shm/couch:/usr/local/var/lib/couchdb -e COUCHDB_USER=$COUCHDB_USER -e COUCHDB_PASSWORD=$COUCHDB_PASSWORD --net=host couchdb:1.7
-  - docker login -u $USER -p $PASS docker.pkg.github.com
+  - docker login -u $USERN -p $PASS docker.pkg.github.com
   - | 
       docker run -it --add-host=couchdb:127.0.0.1 -e TZ=$TZ -e TESTS_PATH=$TESTS_PATH -e COV_PATH=$COV_PATH -e COV_FILE=$COV_FILE \
       --net=host docker.pkg.github.com/$REPO/$IMAGE:$TRAVIS_BRANCH sh -c 'cd /app &&