these 2 derivations will be built: /nix/store/6ci4nw5kil36l1vqcxwa84jqa5iq9536-flake-inputs.drv /nix/store/6rxf680zhybkfc3dk1jpgx2ja5mqkpak-check-flake-inputs.drv building '/nix/store/6ci4nw5kil36l1vqcxwa84jqa5iq9536-flake-inputs.drv' building '/nix/store/6rxf680zhybkfc3dk1jpgx2ja5mqkpak-check-flake-inputs.drv' upload niks3: ok