these 2 derivations will be built:
  /nix/store/475xg9kxdxchkr6b3hdj7xi8bwkffr5d-kandev-0.97.0.drv
  /nix/store/w7b6rwq8ivl0xrdi5gsvs0pi8igjzpq3-check-kandev.drv
building '/nix/store/w7b6rwq8ivl0xrdi5gsvs0pi8igjzpq3-check-kandev.drv'

upload niks3: ok