this derivation will be built: /nix/store/2my0whan4v9xv59zd2xni611zc73ghg1-treefmt-check.drv building '/nix/store/2my0whan4v9xv59zd2xni611zc73ghg1-treefmt-check.drv' treefmt-check> traversed 554 files treefmt-check> emitted 374 files for processing treefmt-check> formatted 374 files (0 changed) in 3.047s upload niks3: ok