these 2 derivations will be built: /nix/store/fhl6z9dlmjw1w0rag1zpmlmwf4i870qi-flake-inputs.drv /nix/store/n0bw1l0gnqac959k15qhacdaw1mnyz35-check-flake-inputs.drv building '/nix/store/fhl6z9dlmjw1w0rag1zpmlmwf4i870qi-flake-inputs.drv' building '/nix/store/n0bw1l0gnqac959k15qhacdaw1mnyz35-check-flake-inputs.drv' upload niks3: ok