these 3 derivations will be built:
  /nix/store/5cabngqairsc7mhk79ybdmjpxgzm6j32-treefmt.toml.drv
  /nix/store/pc7v4f2jnixmhx8iy36nl5nnzd1bs333-treefmt.drv
  /nix/store/1wmd5avb3hf6pbhz9a5jn4b2anmnz8pn-treefmt-check.drv