these 2 derivations will be built:
  /nix/store/3mrx5fn2r685lgxc574m3ibx3pnvixs3-flake-inputs.drv
  /nix/store/mpx0j9q53c7zi749pdwhnwklm05a74lm-check-flake-inputs.drv
building '/nix/store/3mrx5fn2r685lgxc574m3ibx3pnvixs3-flake-inputs.drv'
building '/nix/store/mpx0j9q53c7zi749pdwhnwklm05a74lm-check-flake-inputs.drv'

upload niks3: ok