these 2 derivations will be built:
  /nix/store/hcgmvw4fsyzi1sk2xrgzcsvpwir1nv5z-users-lib.tests.nix.drv
  /nix/store/7pkb2mlxxjwxs0fz8dcy444h3mg7wazx-evalCheck-users-lib.drv
building '/nix/store/hcgmvw4fsyzi1sk2xrgzcsvpwir1nv5z-users-lib.tests.nix.drv'
users-lib.tests.nix> structuredAttrs is enabled
building '/nix/store/7pkb2mlxxjwxs0fz8dcy444h3mg7wazx-evalCheck-users-lib.drv'
evalCheck-users-lib> ✅ testDefaultIsEveryFlakeSystem
evalCheck-users-lib> ✅ testEmissionKeysOmitUnlistedSystem
evalCheck-users-lib> ✅ testExplicitListNarrowsSystems
evalCheck-users-lib> 
evalCheck-users-lib> 🎉 3/3 successful

upload niks3: ok