these 5 derivations will be built:
  /nix/store/55q83jwn0d0csbvvs91lb2ijywy4wmlc-closure-info.drv
  /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