these 2 derivations will be built:
  /nix/store/7i9bsa7isksrn9z1cni9gfqsxndsjjcq-flake-inputs.drv
  /nix/store/wv29rb5vynxrzjvgp2x0pi0hz5iafjhp-check-flake-inputs.drv
building '/nix/store/7i9bsa7isksrn9z1cni9gfqsxndsjjcq-flake-inputs.drv'
building '/nix/store/wv29rb5vynxrzjvgp2x0pi0hz5iafjhp-check-flake-inputs.drv'

upload niks3: ok