this derivation will be built:
  /nix/store/4vifwmpcc3vj1pnf197yr9hk7fljjqpx-treefmt-check.drv
building '/nix/store/4vifwmpcc3vj1pnf197yr9hk7fljjqpx-treefmt-check.drv'
treefmt-check> treefmt v2.6.0traversed 1966 files
treefmt-check> emitted 533 files for processing
treefmt-check> formatted 533 files (0 changed) in 3.301s

upload niks3: ok