these 2 derivations will be built: /nix/store/xqgcwvc062hwhjjh5ji73ppqv78778ks-flake-inputs.drv /nix/store/26m6zl95x7fbkqldb4ai2mjn8m94xjj0-check-flake-inputs.drv building '/nix/store/xqgcwvc062hwhjjh5ji73ppqv78778ks-flake-inputs.drv' building '/nix/store/26m6zl95x7fbkqldb4ai2mjn8m94xjj0-check-flake-inputs.drv' upload niks3: ok