this derivation will be built: /nix/store/69sb6k1j0wc8l3d9i3xi6bi8l984hn86-treefmt-check.drv building '/nix/store/69sb6k1j0wc8l3d9i3xi6bi8l984hn86-treefmt-check.drv' treefmt-check> traversed 554 files treefmt-check> emitted 374 files for processing treefmt-check> formatted 374 files (0 changed) in 1m11.315s upload niks3: ok