this derivation will be built:
  /nix/store/9mq1lw11rw2s7gdmd9mjavalcalv9mn3-treefmt-check.drv
building '/nix/store/9mq1lw11rw2s7gdmd9mjavalcalv9mn3-treefmt-check.drv'
treefmt-check> treefmt v2.6.0traversed 1954 files
treefmt-check> emitted 529 files for processing
treefmt-check> formatted 529 files (0 changed) in 2.585s

upload niks3: ok