these 2 derivations will be built: /nix/store/1lp1n99rg96ksb0r1zfrwl0y3s3cni1q-flake-inputs.drv /nix/store/gxa9qj2gws5ydipd5bmz0s1kv9iqls4y-check-flake-inputs.drv building '/nix/store/1lp1n99rg96ksb0r1zfrwl0y3s3cni1q-flake-inputs.drv' building '/nix/store/gxa9qj2gws5ydipd5bmz0s1kv9iqls4y-check-flake-inputs.drv' upload niks3: ok