these 2 derivations will be built:
  /nix/store/gxf1qc3ksxzrslbgf9skgb5rwhk0p04h-flake-inputs.drv
  /nix/store/jw4ggx6kyv4927s5nzj54q698hplw3k0-check-flake-inputs.drv
building '/nix/store/gxf1qc3ksxzrslbgf9skgb5rwhk0p04h-flake-inputs.drv'
building '/nix/store/jw4ggx6kyv4927s5nzj54q698hplw3k0-check-flake-inputs.drv'

upload niks3: ok