these 2 derivations will be built:
  /nix/store/i1jwa0alshklc03cwwnqdk2ia27j5h0b-flake-inputs.drv
  /nix/store/9ys3x7z0hxd9bqvifqy0jvkxbhlmm76p-check-flake-inputs.drv
building '/nix/store/i1jwa0alshklc03cwwnqdk2ia27j5h0b-flake-inputs.drv'
building '/nix/store/9ys3x7z0hxd9bqvifqy0jvkxbhlmm76p-check-flake-inputs.drv'

upload niks3: ok