this derivation will be built:
  /nix/store/mx42iaacr7xdlfbd0pnlv8b0s2cjmqx8-treefmt-check.drv
building '/nix/store/mx42iaacr7xdlfbd0pnlv8b0s2cjmqx8-treefmt-check.drv'
treefmt-check> treefmt v2.5.0traversed 58 files
treefmt-check> emitted 35 files for processing
treefmt-check> formatted 35 files (0 changed) in 517ms