these 3 derivations will be built:
  /nix/store/f7mg0v2g5sdsfh80xkdf0jk195hlqisr-treefmt.toml.drv
  /nix/store/dpsndi7v33qi60c4wmscwlidi90l1k79-treefmt.drv
  /nix/store/xs67dv6dp0qp39g681d8bw8qz7bi86ws-treefmt-check.drv
this path will be fetched (6.0 MiB download, 18.3 MiB unpacked):
  /nix/store/jpcqlbhkwxwvq507mq0hkacpxbxcdwjj-rustfmt-1.98.1
building '/nix/store/f7mg0v2g5sdsfh80xkdf0jk195hlqisr-treefmt.toml.drv'
treefmt.toml> structuredAttrs is enabled
building '/nix/store/dpsndi7v33qi60c4wmscwlidi90l1k79-treefmt.drv'
treefmt> structuredAttrs is enabled
building '/nix/store/xs67dv6dp0qp39g681d8bw8qz7bi86ws-treefmt-check.drv'
treefmt-check> treefmt v2.6.0traversed 19 files
treefmt-check> emitted 8 files for processing
treefmt-check> formatted 8 files (0 changed) in 72ms