these 2 derivations will be built: /nix/store/p286fqhpvvpqigjasp3fgsh7zmf70i8k-flake-inputs.drv /nix/store/ixpkvvxiqncc0xasklgb9xqgaywncxkx-check-flake-inputs.drv building '/nix/store/p286fqhpvvpqigjasp3fgsh7zmf70i8k-flake-inputs.drv' building '/nix/store/ixpkvvxiqncc0xasklgb9xqgaywncxkx-check-flake-inputs.drv' upload niks3: ok