this derivation will be built: /nix/store/7r69nyz5rsfi61h7wj75pfn66i42gj04-treefmt-check.drv building '/nix/store/7r69nyz5rsfi61h7wj75pfn66i42gj04-treefmt-check.drv' treefmt-check> treefmt v2.6.0traversed 2030 files treefmt-check> emitted 557 files for processing treefmt-check> formatted 557 files (0 changed) in 6.163s upload niks3: ok