these 2 derivations will be built:
  /nix/store/8xqk855ybfzlabnaywms93yxc16w56hi-flake-inputs.drv
  /nix/store/r5gghxq655z0qdblskpmhdl2xp76zrzy-check-flake-inputs.drv
building '/nix/store/8xqk855ybfzlabnaywms93yxc16w56hi-flake-inputs.drv'
building '/nix/store/r5gghxq655z0qdblskpmhdl2xp76zrzy-check-flake-inputs.drv'

upload niks3: ok