Adjust nightly version to latest &&|| enable stable

[sylvaincormier]

No description provided.

[fadding]

Tested and passed in the latest version, there is no problem, the relevant version information is as follows

[root@VM-16-15-centos new-frontiers]# hostnamectl
   Static hostname: VM-16-15-centos
         Icon name: computer-vm
           Chassis: vm
        Machine ID: c81cb9d63cc844e09574b37db45a67cd
           Boot ID: 4ebafc94b4c1426c8bc294d30a4aeedd
    Virtualization: kvm
  Operating System: CentOS Linux 8
       CPE OS Name: cpe:/o:centos:centos:8
            Kernel: Linux 4.18.0-305.3.1.el8.x86_64
      Architecture: x86-64
[root@VM-16-15-centos new-frontiers]# rustup show
Default host: x86_64-unknown-linux-gnu
rustup home:  /root/.rustup

installed toolchains
--------------------

stable-x86_64-unknown-linux-gnu (default)
nightly-x86_64-unknown-linux-gnu

active toolchain
----------------

stable-x86_64-unknown-linux-gnu (default)
rustc 1.55.0 (c8dfcfe04 2021-09-06)