this derivation will be built:
  /nix/store/lj949gcpiq7dpl7jxg1p0ynph2fs2gq1-treefmt-check.drv
building '/nix/store/lj949gcpiq7dpl7jxg1p0ynph2fs2gq1-treefmt-check.drv'
treefmt-check> treefmt v2.6.0traversed 273 files
treefmt-check> emitted 148 files for processing
treefmt-check> formatted 148 files (1 changed) in 366ms

upload niks3: ok