rkt run docker's image mysql, error

[1506776593]

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.