these 2 derivations will be built: /nix/store/zv8h57xc604gr5vbpbjyzcd7h691pf6s-flake-inputs.drv /nix/store/s1asabr31a0qcfx88vl6j58hvdzc1fxa-check-flake-inputs.drv building '/nix/store/zv8h57xc604gr5vbpbjyzcd7h691pf6s-flake-inputs.drv' building '/nix/store/s1asabr31a0qcfx88vl6j58hvdzc1fxa-check-flake-inputs.drv' upload niks3: ok