these 3 derivations will be built:
  /nix/store/0jv2imi1q0dyb0fak8wnbib9afbp41n4-treefmt.toml.drv
  /nix/store/pscsz497i8smqxx7jpaffpjclgxb7i6n-treefmt.drv
  /nix/store/la3vz0vny74k81f37jfkb8gzgz521c81-treefmt-check.drv