these 2 derivations will be built: /nix/store/n57lp9kkz99ldxphmjq7g2sfh0984bmc-flake-inputs.drv /nix/store/vac4jq0cl01wpxpg5p12p46ckiry78lb-check-flake-inputs.drv building '/nix/store/n57lp9kkz99ldxphmjq7g2sfh0984bmc-flake-inputs.drv' building '/nix/store/vac4jq0cl01wpxpg5p12p46ckiry78lb-check-flake-inputs.drv' upload niks3: ok