these 2 derivations will be built:
  /nix/store/vh4lq99h0y72mj308j92msyhgivcp1rn-flake-inputs.drv
  /nix/store/jswif7p12hafbnn7ssc070hqfspcbbnb-check-flake-inputs.drv
building '/nix/store/vh4lq99h0y72mj308j92msyhgivcp1rn-flake-inputs.drv'
building '/nix/store/jswif7p12hafbnn7ssc070hqfspcbbnb-check-flake-inputs.drv'

upload niks3: ok