this derivation will be built: /nix/store/j40mr1dpwl0da9hp7rg6qwlrpyn630qi-treefmt-check.drv building '/nix/store/j40mr1dpwl0da9hp7rg6qwlrpyn630qi-treefmt-check.drv' treefmt-check> treefmt v2.6.0traversed 2051 files treefmt-check> emitted 554 files for processing treefmt-check> formatted 554 files (0 changed) in 3.762s upload niks3: ok