this derivation will be built: /nix/store/kr4majjwn38jc2rcw7km19flxcdv53xd-treefmt-check.drv building '/nix/store/kr4majjwn38jc2rcw7km19flxcdv53xd-treefmt-check.drv' treefmt-check> treefmt v2.6.0traversed 2021 files treefmt-check> emitted 548 files for processing treefmt-check> formatted 548 files (0 changed) in 2.973s upload niks3: ok