these 2 derivations will be built:
  /nix/store/c53y34vl1lkhj9hl0rxk1swxrsxrgx57-flake-inputs.drv
  /nix/store/dn3fxck55k2bnza5fvy9zvvbr84a5sy7-check-flake-inputs.drv
building '/nix/store/c53y34vl1lkhj9hl0rxk1swxrsxrgx57-flake-inputs.drv'
building '/nix/store/dn3fxck55k2bnza5fvy9zvvbr84a5sy7-check-flake-inputs.drv'

upload niks3: ok