this derivation will be built:
  /nix/store/i76ia57khnz1b5i020skwmnna7s9x2di-treefmt-check.drv
building '/nix/store/i76ia57khnz1b5i020skwmnna7s9x2di-treefmt-check.drv'
treefmt-check> treefmt v2.5.0traversed 60 files
treefmt-check> emitted 37 files for processing
treefmt-check> formatted 37 files (0 changed) in 52ms