[CI] Fix maintenance scripts#707

Merged

simon-mo merged 19 commits into

ucbrise:developfrom

rkooo567:mxnet_ci_debug

May 27, 2019

Commits on May 24, 2019

Change retry function to print stderr to debug
rkooo567
committed

Commits on May 26, 2019

Cleanup all dangling Docker volumes when starting CI
Sungjun, Kim
committed
Check Docker's status only if a timeout has occurred
Sungjun, Kim
committed
more debug log
rkooo567
committed
Print debugging logs when starting to run
Sungjun, Kim
committed
Test integration_py*_mxnet only
Sungjun, Kim
committed
Fix debugging condition
Sungjun, Kim
committed

Commits on May 27, 2019

Clean up old Docker images
Sungjun, Kim
committed
Run integration_py3_mxnet before integration_py2_mxnet
Sungjun, Kim
committed
Remove temporary codes
Sungjun, Kim
committed