these 3 derivations will be built:
  /nix/store/kp3pvgn13gybdzlg3dinzaqi64hqsd4j-treefmt.toml.drv
  /nix/store/cil3kcvydmv726vck9jhvy9pmn56cl5m-treefmt.drv
  /nix/store/5m6sznbjmrybh4asgm44a44d45hlbpzy-treefmt-check.drv
building '/nix/store/kp3pvgn13gybdzlg3dinzaqi64hqsd4j-treefmt.toml.drv'
treefmt.toml> structuredAttrs is enabled
building '/nix/store/cil3kcvydmv726vck9jhvy9pmn56cl5m-treefmt.drv'
treefmt> structuredAttrs is enabled
building '/nix/store/5m6sznbjmrybh4asgm44a44d45hlbpzy-treefmt-check.drv'
treefmt-check> treefmt v2.6.0traversed 72 files
treefmt-check> emitted 50 files for processing
treefmt-check> formatted 50 files (0 changed) in 84ms