this derivation will be built: /nix/store/a77khnzd01g9gf9yxkr0qf1d0jngka89-treefmt-check.drv building '/nix/store/a77khnzd01g9gf9yxkr0qf1d0jngka89-treefmt-check.drv' treefmt-check> traversed 517 files treefmt-check> emitted 354 files for processing treefmt-check> formatted 354 files (0 changed) in 2.361s upload niks3: ok