this derivation will be built:
  /nix/store/vy6k13wz7aazc7m147bgnwx2vj4s9w43-treefmt-check.drv
building '/nix/store/vy6k13wz7aazc7m147bgnwx2vj4s9w43-treefmt-check.drv'
treefmt-check> treefmt v2.4.0traversed 931 files
treefmt-check> emitted 232 files for processing
treefmt-check> formatted 232 files (0 changed) in 976ms