these 2 derivations will be built:
  /nix/store/0iinan4ji60rsrz9ay99va8dhcy221bc-treefmt.drv
  /nix/store/jxv4yjdgbh9jnfwkzi5fhfn460hjyllf-treefmt-check.drv
this path will be fetched (0.0 KiB download, 2.4 KiB unpacked):
  /nix/store/4h1wjc51g2slgwp31ba93jsf9brcklln-treefmt.toml