this derivation will be built:
  /nix/store/l8z35klfmdqr3irfg50wmgiicigc0nza-treefmt.toml.drv
these 2 paths will be fetched (59.8 MiB download, 134.5 MiB unpacked):
  /nix/store/gsis3d9lfqsj567jh8szfq9gf568p549-elixir-1.18.5
  /nix/store/0gcx21wp2zqabgg24as69pshc34y9jmh-erlang-28.5.0.7