these 2 derivations will be built:
  /nix/store/qfvs0i6fr8ji81mhyrs0fhjp1dq7g2ll-flake-inputs.drv
  /nix/store/1z1hv0w4v85pkxh6x1jzzh6y0s0749wf-check-flake-inputs.drv
building '/nix/store/qfvs0i6fr8ji81mhyrs0fhjp1dq7g2ll-flake-inputs.drv'
building '/nix/store/1z1hv0w4v85pkxh6x1jzzh6y0s0749wf-check-flake-inputs.drv'

upload niks3: ok