these 3 derivations will be built:
  /nix/store/7s0yfl2d3x44kwlc64wcz0b7h4f95cv9-treefmt.toml.drv
  /nix/store/gkmi5y5y2j24zqizsmdwbrq78ridpwvi-treefmt.drv
  /nix/store/n4hlladp5503caqhgi75zmk7azyv3jsv-treefmt-check.drv
this path will be fetched (9.7 MiB download, 28.1 MiB unpacked):
  /nix/store/1lhvjb161y5878pkf697fyc40r19vv2y-ruff-0.16.8