this derivation will be built:
  /nix/store/bvnp8vgvzbbyrd1w8zppzf9nfsa7v3nv-treefmt.toml.drv
this path will be fetched (2.9 MiB download, 10.3 MiB unpacked):
  /nix/store/n15g2dyns01gfzzklr6rvgfzlyagxprv-air-formatter-0.11.0