these 3 derivations will be built:
  /nix/store/4z9nff8zhwpznclm4x2asnl48pg2sbaf-treefmt.toml.drv
  /nix/store/3bz5q110ycqfhqqjzj8k3pganlmaz9mp-treefmt.drv
  /nix/store/8nsfgfcfj7rznlyisb5jadz5f5q04sj2-treefmt-check.drv
this path will be fetched (12.8 MiB download, 47.2 MiB unpacked):
  /nix/store/g32c4l9gjwwd7b8nwzyamhj72rif7ww5-clang-tools-21.1.8