rkt run docker's image mysql, error

Environment

rkt Version: 1.29.0 appc Version: 0.8.11 Go Version: go1.8.3 Go OS/Arch: linux/amd64 Features: -TPM +SDJOURNAL

Linux 4.4.0-170-generic x86_64

NAME="Ubuntu" VERSION="16.04.1 LTS (Xenial Xerus)" ID=ubuntu ID_LIKE=debian PRETTY_NAME="Ubuntu 16.04.1 LTS" VERSION_ID="16.04" HOME_URL="http://www.ubuntu.com/" SUPPORT_URL="http://help.ubuntu.com/" BUG_REPORT_URL="http://bugs.launchpad.net/ubuntu/" UBUNTU_CODENAME=xenial

systemd 229 +PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ -LZ4 +SECCOMP +BLKID +ELFUTILS +KMOD -IDN

rkt run docker's image mysql, error.as follows:

root@ubuntu:/home/rktuser# rkt --insecure-options=image run docker://mysql --set-env=MYSQL_ROOT_PASSWORD=password --set-env=MYSQL_USER=admin run: group "rkt" not found, will use default gid when rendering images stage1: warning: no volume specified for mount point "volume-var-lib-mysql", implicitly creating an "empty" volume. This volume will be removed when the pod is garbage-collected. stage1: Docker converted image, initializing implicit volume with data contained at the mount point "volume-var-lib-mysql". stage1: warning: error setting journal ACLs, you'll need root to read the pod journal: group "rkt" not found stage1: warning: no volume specified for mount point "volume-var-lib-mysql", implicitly creating an "empty" volume. This volume will be removed when the pod is garbage-collected. stage1: Docker converted image, initializing implicit volume with data contained at the mount point "volume-var-lib-mysql". [98156.882386] mysql[6]: 2020-01-08 07:11:40+00:00 [Note] [Entrypoint]: Entrypoint script for MySQL Server 8.0.18-1debian9 started. [98156.891594] mysql[6]: 2020-01-08 07:11:40+00:00 [ERROR] [Entrypoint]: mysqld failed while attempting to check config [98156.892346] mysql[6]: command was: mysqld --verbose --help [98156.892609] mysql[6]: mysqld: error while loading shared libraries: libpthread.so.0: cannot stat shared object: Permission denied

I hope everyone can help me solve this problem.Thanks.