this derivation will be built: /nix/store/lppll0q9z41sklqs8z7a72ikw70w5f28-treefmt-check.drv building '/nix/store/lppll0q9z41sklqs8z7a72ikw70w5f28-treefmt-check.drv' treefmt-check> traversed 554 files treefmt-check> emitted 375 files for processing treefmt-check> formatted 375 files (0 changed) in 12.83s upload niks3: ok