these 2 derivations will be built:
  /nix/store/mhydvwhzxbsi6sbd5p0cw2ydxlxy5w1m-flake-inputs.drv
  /nix/store/gvvfi5vgl4b8i8ymkj98phb873fryq9z-check-flake-inputs.drv
building '/nix/store/mhydvwhzxbsi6sbd5p0cw2ydxlxy5w1m-flake-inputs.drv'
building '/nix/store/gvvfi5vgl4b8i8ymkj98phb873fryq9z-check-flake-inputs.drv'

upload niks3: ok