Installation Failed on CoreOS?

Docker Info:

Containers: 0
 Running: 0
 Paused: 0
 Stopped: 0
Images: 3
Server Version: 1.12.3
Storage Driver: overlay
 Backing Filesystem: extfs
Logging Driver: json-file
Cgroup Driver: cgroupfs
Plugins:
 Volume: local
 Network: host bridge overlay null
Swarm: inactive
Runtimes: runc
Default Runtime: runc
Security Options: seccomp selinux
Kernel Version: 4.7.3-coreos-r2
Operating System: Container Linux by CoreOS 1235.6.0 (Ladybug)
OSType: linux
Architecture: x86_64
CPUs: 1
Total Memory: 997 MiB
Name: CustomServ
ID: 36GZ:WYQG:GBUY:JJPF:LJLA:5G4K:KCVS:VMBP:5OPY:CJC3:YXMP:LWCN
Docker Root Dir: /var/lib/docker
Debug Mode (client): false
Debug Mode (server): false
Registry: https://index.docker.io/v1/
Insecure Registries:
 127.0.0.0/8

Docker Version

Client:
 Version:      1.12.3
 API version:  1.24
 Go version:   go1.6.3
 Git commit:   34a2ead
 Built:        
 OS/Arch:      linux/amd64

Server:
 Version:      1.12.3
 API version:  1.24
 Go version:   go1.6.3
 Git commit:   34a2ead
 Built:        
 OS/Arch:      linux/amd64