these 3 derivations will be built:
  /nix/store/did1ml9vjjzb4cvrbcwlq9ccyp55nhf2-treefmt.toml.drv
  /nix/store/ag68s3crn4b2556bah2rd8r42ks7qh2l-treefmt.drv
  /nix/store/78fnq6sns44vybh39avq8czbma5zk8gp-treefmt-check.drv
this path will be fetched (9.9 MiB download, 28.3 MiB unpacked):
  /nix/store/wsbkwpqbn2nkdhs8b1kw9dkr6mzz7lrb-ruff-0.16.3