these 3 derivations will be built:
  /nix/store/msdwvghhbwh39nqxd8wz2dp13hl1hx4j-treefmt.toml.drv
  /nix/store/a2mw1n22li9iwmssx811rm47v2y5zy88-treefmt.drv
  /nix/store/7lryn19jla2m1ah58m92l5pfjn32ypi5-treefmt-check.drv
building '/nix/store/msdwvghhbwh39nqxd8wz2dp13hl1hx4j-treefmt.toml.drv'
treefmt.toml> structuredAttrs is enabled
treefmt.toml> 
building '/nix/store/a2mw1n22li9iwmssx811rm47v2y5zy88-treefmt.drv'
building '/nix/store/7lryn19jla2m1ah58m92l5pfjn32ypi5-treefmt-check.drv'
treefmt-check> treefmt v2.5.0traversed 71 files
treefmt-check> emitted 31 files for processing
treefmt-check> formatted 31 files (0 changed) in 237ms