these 2 derivations will be built:
  /nix/store/rqngd45mvl756r25m94dp4mzc80lcvhp-flake-inputs.drv
  /nix/store/1c4hx4vvxjv3p6dnn09kcq17cndn56r6-check-flake-inputs.drv
building '/nix/store/rqngd45mvl756r25m94dp4mzc80lcvhp-flake-inputs.drv'
building '/nix/store/1c4hx4vvxjv3p6dnn09kcq17cndn56r6-check-flake-inputs.drv'

upload niks3: ok