these 2 derivations will be built: /nix/store/8hap1xxpbxj8pmrw07h9sqwwk06arz9g-flake-inputs.drv /nix/store/fqzfzcq4zxmqw2vlbskzkmi6r0jbw2az-check-flake-inputs.drv building '/nix/store/8hap1xxpbxj8pmrw07h9sqwwk06arz9g-flake-inputs.drv' building '/nix/store/fqzfzcq4zxmqw2vlbskzkmi6r0jbw2az-check-flake-inputs.drv' upload niks3: ok