these 2 derivations will be built: /nix/store/x65zaam12akdkypzl69h3f9x5mixs8bi-flake-inputs.drv /nix/store/vhk8hc1vbwvrky7gir89zdlrjcavf2ys-check-flake-inputs.drv building '/nix/store/x65zaam12akdkypzl69h3f9x5mixs8bi-flake-inputs.drv' building '/nix/store/vhk8hc1vbwvrky7gir89zdlrjcavf2ys-check-flake-inputs.drv' upload niks3: ok