I had this failure in yum install:

[2019-05-12T14:54:55.706Z] Error Summary
[2019-05-12T14:54:55.706Z] -------------
[2019-05-12T14:54:55.706Z] Disk Requirements:
[2019-05-12T14:54:55.706Z]    At least 70MB more space needed on the / filesystem.

Build:

Trying build again, hopefully will get a slave with more space...

Nir