these 3 derivations will be built:
  /nix/store/xxw6d5h74g1d55zphc8wlj5nd1rczb4y-treefmt.toml.drv
  /nix/store/ksq0y30mwh3snlvsyrdzflf736pifq5d-treefmt.drv
  /nix/store/41idmlzbsvnjxx2qh21k4i047hzczfgs-treefmt-check.drv
this path will be fetched (10.1 MiB download, 28.9 MiB unpacked):
  /nix/store/n1wcq0mxmck80ghv8kbsw2dgaqdnk7jd-ruff-0.16.7