these 2 derivations will be built:
  /nix/store/f3098bbsalz5s6q89mbz8kf951aayzab-flake-inputs.drv
  /nix/store/6pg5l3ymaddjgw5sr9j45fycn883bab7-check-flake-inputs.drv
building '/nix/store/f3098bbsalz5s6q89mbz8kf951aayzab-flake-inputs.drv'
building '/nix/store/6pg5l3ymaddjgw5sr9j45fycn883bab7-check-flake-inputs.drv'

upload niks3: ok