this derivation will be built:
  /nix/store/19mykbbbbjchp7ac55s5vkvwkhj1ww11-treefmt-check.drv
building '/nix/store/19mykbbbbjchp7ac55s5vkvwkhj1ww11-treefmt-check.drv'
treefmt-check> treefmt v2.6.0traversed 1953 files
treefmt-check> emitted 528 files for processing
treefmt-check> formatted 528 files (0 changed) in 3.05s

upload niks3: ok