these 2 derivations will be built:
  /nix/store/137zgwbkgahhdicag5kwmbkyqziz97d5-flake-inputs.drv
  /nix/store/sjnfwr6xg057z91iamw6l983vghdr6rq-check-flake-inputs.drv
building '/nix/store/137zgwbkgahhdicag5kwmbkyqziz97d5-flake-inputs.drv'
building '/nix/store/sjnfwr6xg057z91iamw6l983vghdr6rq-check-flake-inputs.drv'

upload niks3: ok