these 2 derivations will be built:
  /nix/store/84rdsjabc2va8is2zldz3c4flg492464-treefmt.drv
  /nix/store/dmv9qzl3kx2l1lf7s45il0l2rsqfk356-treefmt-check.drv
this path will be fetched (0.0 KiB download, 0.6 KiB unpacked):
  /nix/store/y2zkr1qwychk32xq4h1kgh4yf1df9jbb-treefmt.toml