these 2 derivations will be built:
  /nix/store/9myfvy8klnpa0grn92z3qr22njw002ck-flake-inputs.drv
  /nix/store/y08p6zlhskw689awnz7y54acanbf1rq5-check-flake-inputs.drv
building '/nix/store/9myfvy8klnpa0grn92z3qr22njw002ck-flake-inputs.drv'
building '/nix/store/y08p6zlhskw689awnz7y54acanbf1rq5-check-flake-inputs.drv'

upload niks3: ok