these 2 derivations will be built: /nix/store/2g6y2phgik5lgd3ldhdsqqq4rq2fzsk5-flake-inputs.drv /nix/store/lcyiakvb2d8024md9ky7xwazn0q65qnf-check-flake-inputs.drv building '/nix/store/2g6y2phgik5lgd3ldhdsqqq4rq2fzsk5-flake-inputs.drv' building '/nix/store/lcyiakvb2d8024md9ky7xwazn0q65qnf-check-flake-inputs.drv' upload niks3: ok