this derivation will be built:
  /nix/store/bm1m1g7v1yvpmw1k7skkx2fqcr0y4fqa-treefmt-check.drv
building '/nix/store/bm1m1g7v1yvpmw1k7skkx2fqcr0y4fqa-treefmt-check.drv'
treefmt-check> treefmt v2.5.0traversed 68 files
treefmt-check> emitted 45 files for processing
treefmt-check> formatted 45 files (0 changed) in 74ms