these 2 derivations will be built:
  /nix/store/krrbfnjkk5n798a8c1g7am9ca816zpsh-flake-inputs.drv
  /nix/store/sx5pir3gcpqxikn3zzayn2pv24a1157m-check-flake-inputs.drv
building '/nix/store/krrbfnjkk5n798a8c1g7am9ca816zpsh-flake-inputs.drv'
building '/nix/store/sx5pir3gcpqxikn3zzayn2pv24a1157m-check-flake-inputs.drv'

upload niks3: ok