Why docker build process gets hung while executing "rpm -e --allmatches gpg-pubkey-d38b4796-570c8cd3" in Red Hat Enterprise Linux 7 ?

Issue

• Why docker build process gets hung while executing "rpm -e --allmatches gpg-pubkey-d38b4796-570c8cd3" in Red Hat Enterprise Linux 7 ?
  Sample Dockerfile

FROM rhel7
USER root
ENV HOME=/home/jenkins

COPY google-chrome.repo /etc/yum.repos.d/google-chrome.repo

RUN yum update -y && \
    yum-config-manager --enable rhel-server-rhscl-7-rpms && \
    yum-config-manager --disable epel >/dev/null || : && \
    yum install -y gcc-c++ make google-chrome-stable && \
    yum clean all