these 3 derivations will be built:
  /nix/store/w52yjqhkqb8pbm2ppds18xww5v9ysjv7-treefmt.toml.drv
  /nix/store/5dyk5k0pglwdxc6a5gbg14imp9sbincx-treefmt.drv
  /nix/store/3ywj97lzj64g0ck72qfymndbnsszvf4i-treefmt-check.drv
this path will be fetched (1.5 MiB download, 9.6 MiB unpacked):
  /nix/store/15dd37yjin93zikq6mzfb2llldb44sfv-prettier-3.9.6