these 2 derivations will be built:
  /nix/store/8jpj3rk3i3i3czjsg8zz6fbpdq8lzqj9-nixos-test-driver-pg_cron.drv
  /nix/store/46rvbiag3sxjgd0w79pd1r5zxm9v1jp6-vm-test-run-pg_cron.drv
building '/nix/store/8jpj3rk3i3i3czjsg8zz6fbpdq8lzqj9-nixos-test-driver-pg_cron.drv'
nixos-test-driver-pg_cron> Running type check (enable/disable: config.skipTypeCheck)
nixos-test-driver-pg_cron> See https://nixos.org/manual/nixos/stable/#test-opt-skipTypeCheck
nixos-test-driver-pg_cron> Success: no issues found in 1 source file
nixos-test-driver-pg_cron> additionally exposed symbols:
nixos-test-driver-pg_cron>     ,
nixos-test-driver-pg_cron>     ,
nixos-test-driver-pg_cron>     start_all, test_script, machines, vlans, driver, log, os, create_machine, subtest, run_tests, join_all, retry, serial_stdout_off, serial_stdout_on, polling_condition, Machine, t, debug
nixos-test-driver-pg_cron> Linting test script (enable/disable: config.skipLint)
nixos-test-driver-pg_cron> See https://nixos.org/manual/nixos/stable/#test-opt-skipLint