these 2 derivations will be built:
  /nix/store/6zh6wyk3hv9hbdxnld631nsdx3jmll23-flake-inputs.drv
  /nix/store/iv518ba0r65ir9x0sfkhvmy96k5paz66-check-flake-inputs.drv
building '/nix/store/6zh6wyk3hv9hbdxnld631nsdx3jmll23-flake-inputs.drv'
building '/nix/store/iv518ba0r65ir9x0sfkhvmy96k5paz66-check-flake-inputs.drv'

upload niks3: ok