these 3 derivations will be built:
  /nix/store/v1r8cd02szc8hdmyhwl0v12jgx74wa8x-treefmt.toml.drv
  /nix/store/0p2956f6s9hzvvd1cyr3q92d84578bz1-treefmt.drv
  /nix/store/i74q9k2lhzwhnf6dywdwcidab1j1ndnl-treefmt-check.drv
building '/nix/store/v1r8cd02szc8hdmyhwl0v12jgx74wa8x-treefmt.toml.drv'
treefmt.toml> structuredAttrs is enabled
treefmt.toml> 
building '/nix/store/0p2956f6s9hzvvd1cyr3q92d84578bz1-treefmt.drv'
building '/nix/store/i74q9k2lhzwhnf6dywdwcidab1j1ndnl-treefmt-check.drv'
treefmt-check> treefmt v2.6.0traversed 72 files
treefmt-check> emitted 31 files for processing
treefmt-check> formatted 31 files (0 changed) in 206ms