these 3 derivations will be built:
  /nix/store/fbmzw6j68an6hhr3a8520x9apl0aqm9p-treefmt.toml.drv
  /nix/store/3nb414j6hhgly2azfqyh8vb7i0qw857z-treefmt.drv
  /nix/store/blbfrfvr5y4x9zxfy4fpfmmlc77cfia1-treefmt-check.drv
building '/nix/store/fbmzw6j68an6hhr3a8520x9apl0aqm9p-treefmt.toml.drv'
treefmt.toml> structuredAttrs is enabled
treefmt.toml> 
building '/nix/store/3nb414j6hhgly2azfqyh8vb7i0qw857z-treefmt.drv'
building '/nix/store/blbfrfvr5y4x9zxfy4fpfmmlc77cfia1-treefmt-check.drv'
treefmt-check> treefmt v2.6.0traversed 20 files
treefmt-check> emitted 11 files for processing
treefmt-check> formatted 11 files (0 changed) in 238ms