these 2 derivations will be built: /nix/store/zafdlcyp313y5hyyd4n0g8ppqvzqzfiz-flake-inputs.drv /nix/store/fa20l949am5d3b8bz10k3pnlphjh3abq-check-flake-inputs.drv building '/nix/store/zafdlcyp313y5hyyd4n0g8ppqvzqzfiz-flake-inputs.drv' building '/nix/store/fa20l949am5d3b8bz10k3pnlphjh3abq-check-flake-inputs.drv' upload niks3: ok