Uknow error. Windows build

Environments Windows
1

Hello. I have uknow errors under windows build:

First
https://api.travis-ci.org/v3/job/492719940/log.txt

Second
https://api.travis-ci.org/v3/job/492848706/log.txt

Third
https://api.travis-ci.org/v3/job/492788274/log.txt

2

Looks like the first item in

I’m closing this in favor of ↑.