these 2 derivations will be built: /nix/store/3jp2pni9d4vz6d5ax2hp654sqdiwzlw9-flake-inputs.drv /nix/store/yrklyccwmgan9f4nqa7n2g4zl555nbcr-check-flake-inputs.drv building '/nix/store/3jp2pni9d4vz6d5ax2hp654sqdiwzlw9-flake-inputs.drv' building '/nix/store/yrklyccwmgan9f4nqa7n2g4zl555nbcr-check-flake-inputs.drv' upload niks3: ok