these 2 derivations will be built: /nix/store/0i3w6hzw34q0sp8dm98wa6k3z2wh87qc-flake-inputs.drv /nix/store/9jkn9387r84gqrkkvmirfr1kgcy6axqz-check-flake-inputs.drv building '/nix/store/0i3w6hzw34q0sp8dm98wa6k3z2wh87qc-flake-inputs.drv' building '/nix/store/9jkn9387r84gqrkkvmirfr1kgcy6axqz-check-flake-inputs.drv' upload niks3: ok