these 2 derivations will be built:
  /nix/store/yh39vj66q74h3cdy5ym3ln8qxfw5bc3h-flake-inputs.drv
  /nix/store/r1pcjpbq9kwvzm11ghsd3n30i2yrwiw0-check-flake-inputs.drv
building '/nix/store/yh39vj66q74h3cdy5ym3ln8qxfw5bc3h-flake-inputs.drv'
building '/nix/store/r1pcjpbq9kwvzm11ghsd3n30i2yrwiw0-check-flake-inputs.drv'

upload niks3: ok