this derivation will be built: /nix/store/53cc3290lcbwpr5jl4f451m709wg7r6y-treefmt-check.drv building '/nix/store/53cc3290lcbwpr5jl4f451m709wg7r6y-treefmt-check.drv' treefmt-check> treefmt v2.6.0traversed 2271 files treefmt-check> emitted 591 files for processing treefmt-check> formatted 591 files (0 changed) in 5.11s upload niks3: ok