ARM64 job doesn't start

It did shown me Automatic restarts limited: Please try restarting this job later or contact support@travis-ci.com. twice, here is the raw log: https://api.travis-ci.com/v3/job/251553646/log.txt

Basically, I just added lines like these:

    # Linux for AArch with GCC
    - os: linux
      arch: arm64
      env: COMPILER_NAME=gcc CXX=g++ CC=gcc CFLAGS="-DR2_ASSERT_STDOUT=1"

The job in a Web interface here: https://travis-ci.com/radareorg/radare2/jobs/251553646

And the pull request is here: https://github.com/radareorg/radare2/pull/15393

Yesterday you announced the System Z and PowerPC support, but it has the same issue too: https://travis-ci.com/radareorg/radare2/builds/136261458