this derivation will be built: /nix/store/sssckg4848fd5f8i64z4awjpgch2aivg-treefmt-check.drv building '/nix/store/sssckg4848fd5f8i64z4awjpgch2aivg-treefmt-check.drv' treefmt-check> traversed 554 files treefmt-check> emitted 374 files for processing treefmt-check> formatted 374 files (0 changed) in 28.189s upload niks3: ok