this derivation will be built: /nix/store/4p2la9171ghvylslczf7j1qic4w2wzlx-treefmt-check.drv building '/nix/store/4p2la9171ghvylslczf7j1qic4w2wzlx-treefmt-check.drv' treefmt-check> traversed 549 files treefmt-check> emitted 372 files for processing treefmt-check> formatted 372 files (0 changed) in 2.629s upload niks3: ok