these 2 derivations will be built: /nix/store/cdhzzcxnndmlqkq3mh4q41db2q33zfhp-flake-inputs.drv /nix/store/kkr412z0k5fw0vdjhwagnb8xxvnnwxiz-check-flake-inputs.drv building '/nix/store/cdhzzcxnndmlqkq3mh4q41db2q33zfhp-flake-inputs.drv' building '/nix/store/kkr412z0k5fw0vdjhwagnb8xxvnnwxiz-check-flake-inputs.drv' upload niks3: ok