Merge branch 'expired_member' into 'master'

add expired member support

See merge request !11
2 jobs for master in 3 seconds (queued for 58 seconds)
Status Job ID Name Coverage
  Test
failed #507
test

00:00:03

 
  Build
skipped #508
build
 
Name Stage Failure
failed
test Test
   62de747..599c930  master     -> origin/master
Checking out 599c9301 as master...
Skipping Git submodules setup
Checking cache for default...
time="2020-06-18T23:08:24+08:00" level=error msg="Docker executor: prebuilt image helpers will be loaded from /var/lib/gitlab-runner."
Successfully extracted cache
$ rustc --version
bash: line 80: rustc: command not found
ERROR: Job failed: exit status 1