[travis] don't try to rebuild on failure
[travis] don't try to rebuild on failure

Signed-off-by: Anton Kosiakov <93305abb4fd19156b2366e8285c439930563a735@typefox.io>

epatpol/theia-1,hexa00/theia,epatpol/theia-1,lmcgupe/theia,lmcgupe/theia,epatpol/theia-1,hexa00/theia