this derivation will be built:
  /nix/store/bi4hg0wnzza0s40lk79y13w6j6kimpw0-treefmt.toml.drv
these 2 paths will be fetched (857.2 KiB download, 2.4 MiB unpacked):
  /nix/store/vg8x7fm2f7nwix1qi61my8wyvsgm7sgb-nixf-2.9.2
  /nix/store/6mwqwmzpbr6i2zq5dq1k9l781i0195l9-nixf-diagnose-0.1.4