these 2 derivations will be built: /nix/store/m03hxz4rvjrkjpr2g6168jz1d4xfh9f5-flake-inputs.drv /nix/store/nkb1qqzgn2fhsbg09gprif7v6l313dl0-check-flake-inputs.drv building '/nix/store/m03hxz4rvjrkjpr2g6168jz1d4xfh9f5-flake-inputs.drv' building '/nix/store/nkb1qqzgn2fhsbg09gprif7v6l313dl0-check-flake-inputs.drv' upload niks3: ok