these 2 derivations will be built:
  /nix/store/gnkblk4amj8na1d1gpjrv8zrnvy6syyy-flake-inputs.drv
  /nix/store/cl10f9s85iyp8j2cmbjr9s9ns4a2bi6l-check-flake-inputs.drv
building '/nix/store/gnkblk4amj8na1d1gpjrv8zrnvy6syyy-flake-inputs.drv'
building '/nix/store/cl10f9s85iyp8j2cmbjr9s9ns4a2bi6l-check-flake-inputs.drv'

upload niks3: ok