these 2 derivations will be built:
  /nix/store/75gm32n42sygmmbripmx2qzmiv9z6p9h-treefmt.drv
  /nix/store/kh92j4rf5j3ysxq64gk0a3fpkyp9df33-treefmt-check.drv
this path will be fetched (0.0 KiB download, 0.8 KiB unpacked):
  /nix/store/q0w62zidpha45a7a3a13cbc83s51kkw4-treefmt.toml