this derivation will be built: /nix/store/a2dryc9vkbynvh5ssdnnlsa08a2gx721-treefmt-check.drv building '/nix/store/a2dryc9vkbynvh5ssdnnlsa08a2gx721-treefmt-check.drv' treefmt-check> treefmt v2.6.0traversed 1955 files treefmt-check> emitted 530 files for processing treefmt-check> formatted 530 files (0 changed) in 2.961s upload niks3: ok