this derivation will be built:
  /nix/store/adpn4f0c6rjpsi9iirsxgg1ab8n2s80i-treefmt-check.drv
building '/nix/store/adpn4f0c6rjpsi9iirsxgg1ab8n2s80i-treefmt-check.drv'
treefmt-check> treefmt v2.5.0traversed 13 files
treefmt-check> emitted 9 files for processing
treefmt-check> formatted 9 files (0 changed) in 136ms