these 2 derivations will be built:
  /nix/store/7v12y0s7kvz1jas4g122xqip8f4kbzp5-flake-inputs.drv
  /nix/store/2ikb15slrlx91qr5nx0fzyy2857hmwsk-check-flake-inputs.drv
building '/nix/store/7v12y0s7kvz1jas4g122xqip8f4kbzp5-flake-inputs.drv'
building '/nix/store/2ikb15slrlx91qr5nx0fzyy2857hmwsk-check-flake-inputs.drv'

upload niks3: ok