these 3 derivations will be built:
  /nix/store/r43i6slrh0pimc8w3aisla083lhk1a3n-treefmt.toml.drv
  /nix/store/s4x3kp7y685s6758xd8cvji26dcmgr59-treefmt.drv
  /nix/store/gdq5b3337dg0gqkxl6rf0960b741wws1-treefmt-check.drv
building '/nix/store/r43i6slrh0pimc8w3aisla083lhk1a3n-treefmt.toml.drv'
treefmt.toml> structuredAttrs is enabled
treefmt.toml> 
building '/nix/store/s4x3kp7y685s6758xd8cvji26dcmgr59-treefmt.drv'
building '/nix/store/gdq5b3337dg0gqkxl6rf0960b741wws1-treefmt-check.drv'
treefmt-check> treefmt v2.6.0traversed 71 files
treefmt-check> emitted 31 files for processing
treefmt-check> formatted 31 files (0 changed) in 261ms