these 2 derivations will be built: /nix/store/s45kx580zx9zcxwn3g03znprmhj7886i-flake-inputs.drv /nix/store/1b6nyyw29gykwm1ldm5dlgnhk49pgplk-check-flake-inputs.drv building '/nix/store/s45kx580zx9zcxwn3g03znprmhj7886i-flake-inputs.drv' building '/nix/store/1b6nyyw29gykwm1ldm5dlgnhk49pgplk-check-flake-inputs.drv' upload niks3: ok