this derivation will be built: /nix/store/saxl2pb9n0qdgdgv3vghfsflsbgw753z-treefmt-check.drv building '/nix/store/saxl2pb9n0qdgdgv3vghfsflsbgw753z-treefmt-check.drv' treefmt-check> treefmt v2.5.0traversed 1654 files treefmt-check> emitted 424 files for processing treefmt-check> formatted 424 files (0 changed) in 3.871s upload niks3: ok