0.005s:+ wget https://builds.robur.coop/job/orb-ubuntu-20.04/build/latest/f/bin/orb.deb
0.008s:--2021-09-09 13:09:11--  https://builds.robur.coop/job/orb-ubuntu-20.04/build/latest/f/bin/orb.deb
0.011s:Resolving builds.robur.coop (builds.robur.coop)... 193.30.40.138, 2a0f:7cc7:7cc7:7c40::138
0.011s:Connecting to builds.robur.coop (builds.robur.coop)|193.30.40.138|:443... connected.
0.032s:ERROR: cannot verify builds.robur.coop's certificate, issued by 'CN=R3,O=Let\'s Encrypt,C=US':
0.032s:  Unable to locally verify the issuer's authority.
0.032s:To connect to builds.robur.coop insecurely, use `--no-check-certificate'.