this derivation will be built:
  /nix/store/ykbh5gkm7w6myaiq8vw7qwcgrhadw7ca-vm-test-run-pg_cron.drv
this path will be fetched (3.9 KiB download, 16.6 KiB unpacked):
  /nix/store/gb07b3yx1fg6z69gqsr7c18hxs57cciy-nixos-test-driver-pg_cron