these 2 derivations will be built: /nix/store/ib169bh3x4a4xih8k1x7bqg9928hi3rf-flake-inputs.drv /nix/store/igvh2phs34rfhx33fw74bk134khzfx48-check-flake-inputs.drv building '/nix/store/ib169bh3x4a4xih8k1x7bqg9928hi3rf-flake-inputs.drv' building '/nix/store/igvh2phs34rfhx33fw74bk134khzfx48-check-flake-inputs.drv' upload niks3: ok