these 2 derivations will be built:
  /nix/store/zk9pkapi66ybqzyrf5x3khfdrh6a60fd-nixos-test-driver-postgis.drv
  /nix/store/id8q6n3bbfw92a48wgpqcm1zp1cbmhdb-vm-test-run-postgis.drv
building '/nix/store/zk9pkapi66ybqzyrf5x3khfdrh6a60fd-nixos-test-driver-postgis.drv' on 'ssh-ng://nixbot-remote-build@78.232.36.247'