this derivation will be built: /nix/store/d90nykszwq40ali13silmjxpzz4ax2vr-treefmt-check.drv building '/nix/store/d90nykszwq40ali13silmjxpzz4ax2vr-treefmt-check.drv' treefmt-check> traversed 551 files treefmt-check> emitted 373 files for processing treefmt-check> formatted 373 files (0 changed) in 18.13s upload niks3: ok