this derivation will be built: /nix/store/mm3nqx88rwq6mcgadm5120n06yd2k12f-treefmt-check.drv building '/nix/store/mm3nqx88rwq6mcgadm5120n06yd2k12f-treefmt-check.drv' treefmt-check> treefmt v2.6.0traversed 2018 files treefmt-check> emitted 556 files for processing treefmt-check> formatted 556 files (0 changed) in 3.06s upload niks3: ok