this derivation will be built: /nix/store/x6g50z0aqb5fpdil583nhjq1hm4bk8zf-treefmt-check.drv building '/nix/store/x6g50z0aqb5fpdil583nhjq1hm4bk8zf-treefmt-check.drv' treefmt-check> treefmt v2.6.0traversed 266 files treefmt-check> emitted 144 files for processing treefmt-check> formatted 144 files (1 changed) in 355ms upload niks3: ok