these 2 derivations will be built:
  /nix/store/zp4zdsci9ddlpc84xkcrx5yq4x35yy2v-flake-inputs.drv
  /nix/store/hw1zdc47hwanjkmi3m29x6lb6nysx4nb-check-flake-inputs.drv
building '/nix/store/zp4zdsci9ddlpc84xkcrx5yq4x35yy2v-flake-inputs.drv'
building '/nix/store/hw1zdc47hwanjkmi3m29x6lb6nysx4nb-check-flake-inputs.drv'

upload niks3: ok