CentOS 6.5 packages in a CentOS 7 repo?

gistfile1.txt

[vagrant@localhost ~]$ yum info mesos --showduplicates
Loaded plugins: fastestmirror
Determining fastest mirrors
 * base: mirror.dattobackup.com
 * extras: mirror.sanctuaryhost.com
 * updates: mirror.fdcservers.net
cloudera-cdh4                                                                                                                                                                                                                         111/111
Available Packages
Name        : mesos
Arch        : x86_64
Version     : 0.19.0
Release     : 1.1.centos64
Size        : 47 M
Repo        : mesosphere/x86_64
Summary     : Cluster resouce manager with efficient resource isolation
URL         : http://incubator.apache.org/mesos/
License     : Apache-2.0
Description : Cluster resouce manager with efficient resource isolation
            : Apache Mesos is a cluster manager that offers efficient resource isolation
            : and sharing across distributed applications, or frameworks. It can run
            : Hadoop, MPI, Hypertable, Spark (a new framework for low-latency interactive
            : and iterative jobs), and other applications.

Name        : mesos
Arch        : x86_64
Version     : 0.19.1
Release     : 1.0.centos64
Size        : 47 M
Repo        : mesosphere/x86_64
Summary     : Cluster resouce manager with efficient resource isolation
URL         : http://incubator.apache.org/mesos/
License     : Apache-2.0
Description : Cluster resouce manager with efficient resource isolation
            : Apache Mesos is a cluster manager that offers efficient resource isolation
            : and sharing across distributed applications, or frameworks. It can run
            : Hadoop, MPI, Hypertable, Spark (a new framework for low-latency interactive
            : and iterative jobs), and other applications.

Name        : mesos
Arch        : x86_64
Version     : 0.20.0
Release     : 1.0.centos64
Size        : 149 M
Repo        : mesosphere/x86_64
Summary     : Cluster resouce manager with efficient resource isolation
URL         : http://incubator.apache.org/mesos/
License     : Apache-2.0
Description : Cluster resouce manager with efficient resource isolation
            : Apache Mesos is a cluster manager that offers efficient resource isolation
            : and sharing across distributed applications, or frameworks. It can run
            : Hadoop, MPI, Hypertable, Spark (a new framework for low-latency interactive
            : and iterative jobs), and other applications.

Name        : mesos
Arch        : x86_64
Version     : 0.20.1
Release     : 1.0.centos64
Size        : 150 M
Repo        : mesosphere/x86_64
Summary     : Cluster resouce manager with efficient resource isolation
URL         : http://incubator.apache.org/mesos/
License     : Apache-2.0
Description : Cluster resouce manager with efficient resource isolation
            : Apache Mesos is a cluster manager that offers efficient resource isolation
            : and sharing across distributed applications, or frameworks. It can run
            : Hadoop, MPI, Hypertable, Spark (a new framework for low-latency interactive
            : and iterative jobs), and other applications.

Name        : mesos
Arch        : x86_64
Version     : 0.21.0
Release     : 1.0.centos65
Size        : 81 M
Repo        : mesosphere/x86_64
Summary     : Cluster resource manager with efficient resource isolation
URL         : http://incubator.apache.org/mesos/
License     : Apache-2.0
Description : Cluster resource manager with efficient resource isolation
            : Apache Mesos is a cluster manager that offers efficient resource isolation
            : and sharing across distributed applications, or frameworks. It can run
            : Hadoop, MPI, Hypertable, Spark (a new framework for low-latency interactive
            : and iterative jobs), and other applications.

Name        : mesos
Arch        : x86_64
Version     : 0.21.1
Release     : 1.1.centos65
Size        : 20 M
Repo        : mesosphere/x86_64
Summary     : Cluster resource manager with efficient resource isolation
URL         : http://incubator.apache.org/mesos/
License     : Apache-2.0
Description : Cluster resource manager with efficient resource isolation
            : Apache Mesos is a cluster manager that offers efficient resource isolation
            : and sharing across distributed applications, or frameworks. It can run
            : Hadoop, MPI, Hypertable, Spark (a new framework for low-latency interactive
            : and iterative jobs), and other applications.

[vagrant@localhost ~]$ cat /etc/yum.repos.d/
CentOS-Base.repo                 CentOS-Sources.repo              cloudera-cdh4.repo               puppetlabs-deps.repo             puppetlabs-devel.repo            puppetlabs-products.repo         
CentOS-Debuginfo.repo            CentOS-Vault.repo                mesosphere.repo                  puppetlabs-deps-source.repo      puppetlabs-devel-source.repo     puppetlabs-products-source.repo  
[vagrant@localhost ~]$ cat /etc/yum.repos.d/mesosphere.repo 
[mesosphere]
name=Mesosphere Packages for EL 7 - $basearch
baseurl=http://repos.mesosphere.io/el/7/$basearch/
enabled=1
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-mesosphere

[mesosphere-noarch]
name=Mesosphere Packages for EL 7 - noarch
baseurl=http://repos.mesosphere.io/el/7/noarch/
enabled=1
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-mesosphere

[mesosphere-source]
name=Mesosphere Packages for EL 7 - $basearch - Source
baseurl=http://repos.mesosphere.io/el/7/SRPMS/
enabled=0
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-mesosphere
[vagrant@localhost ~]$