these 2 derivations will be built: /nix/store/59crajsbnllcwq5ylwm0sr09ip7fa2q4-flake-inputs.drv /nix/store/54g5wg70nzi9qi7fvsic8w10d88z617y-check-flake-inputs.drv building '/nix/store/59crajsbnllcwq5ylwm0sr09ip7fa2q4-flake-inputs.drv' building '/nix/store/54g5wg70nzi9qi7fvsic8w10d88z617y-check-flake-inputs.drv' upload niks3: ok