these 2 derivations will be built: /nix/store/b8rkdq1z7rn73m55h0fi0px3g4hwrmib-flake-inputs.drv /nix/store/1ymd1mz3wnjbcdwzrhz46l0yi00dh3d1-check-flake-inputs.drv building '/nix/store/b8rkdq1z7rn73m55h0fi0px3g4hwrmib-flake-inputs.drv' building '/nix/store/1ymd1mz3wnjbcdwzrhz46l0yi00dh3d1-check-flake-inputs.drv' upload niks3: ok