this derivation will be built: /nix/store/5yy0jx8a74gwz4g8ac09haxp3j6i8w7z-treefmt-check.drv building '/nix/store/5yy0jx8a74gwz4g8ac09haxp3j6i8w7z-treefmt-check.drv' treefmt-check> treefmt v2.6.0traversed 2202 files treefmt-check> emitted 586 files for processing treefmt-check> formatted 586 files (0 changed) in 3.609s upload niks3: ok