these 4 derivations will be built:
  /nix/store/5zivvclff6bzr41xwal691yjh7dhpvsa-nixfmt-rs-0.5.3.drv
  /nix/store/nvasgcf7nfpfvmjb2yxghgp9zy3c04ql-treefmt.toml.drv
  /nix/store/nzzhjsb8irakv58ahi2kn3mdkdhsm8mn-treefmt.drv
  /nix/store/7lgdlyamm0cmxh5siv9fsbnrg358mr20-treefmt-check.drv
these 2 paths will be fetched (17.1 MiB download, 192.0 MiB unpacked):
  /nix/store/66c24x6bgkyqllcql6v29lb882sj3mpk-nixfmt-rs-0.5.3-vendor
  /nix/store/6pfk92qihi5van3nyy8c6w73cc34808v-version-check-hook