this derivation will be built: /nix/store/n1v9ppxjq1l9rixkjil3ai655czpzd18-treefmt-check.drv building '/nix/store/n1v9ppxjq1l9rixkjil3ai655czpzd18-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 3.982s upload niks3: ok