these 2 derivations will be built:
  /nix/store/dz1n6npm4ddvqxnprjwgh9ycfvrkj315-flake-inputs.drv
  /nix/store/dgdj46kc947d6jwk4ghqzdd3vkqrdivg-check-flake-inputs.drv
building '/nix/store/dz1n6npm4ddvqxnprjwgh9ycfvrkj315-flake-inputs.drv'
building '/nix/store/dgdj46kc947d6jwk4ghqzdd3vkqrdivg-check-flake-inputs.drv'

upload niks3: ok