these 4 derivations will be built:
  /nix/store/kr5iwjlm4b924vc460msymp007vav79b-run-nixos-vm.drv
  /nix/store/5ajzsl9l2gmawdac1kqvk67aqjdwzhcq-nixos-vm.drv
  /nix/store/hn51jj1b8wysl14468nhw750zn0prk37-nixos-test-driver-pg_jsonschema.drv
  /nix/store/10r4w0rycznbmbxsxk8ki9hs4gdnb35a-vm-test-run-pg_jsonschema.drv
building '/nix/store/5ajzsl9l2gmawdac1kqvk67aqjdwzhcq-nixos-vm.drv' on 'ssh-ng://nixbot-remote-build@62.210.193.142'
building '/nix/store/5ajzsl9l2gmawdac1kqvk67aqjdwzhcq-nixos-vm.drv'