these 2 derivations will be built:
  /nix/store/by5hsvhpkn3dsbvmn3fk6z8dgvjvj0ka-flake-inputs.drv
  /nix/store/zp8ssr46lcsnfrr2cafmbli4d3py3ycr-check-flake-inputs.drv
building '/nix/store/by5hsvhpkn3dsbvmn3fk6z8dgvjvj0ka-flake-inputs.drv'
building '/nix/store/zp8ssr46lcsnfrr2cafmbli4d3py3ycr-check-flake-inputs.drv'

upload niks3: ok