these 4 derivations will be built:
  /nix/store/6clk722r1imkvnjaryznp4x0l6irjvfz-Cargo.toml.drv
  /nix/store/rjlzc63nlwvp7nid1zjlw9idzz5lh3m6-source.drv
  /nix/store/p3aw1gq9pcqz7nv584xj92ig8jc877g5-tincd-deps-0.1.0.drv
  /nix/store/4b1fkvh8gik80xgwvsphgm7hmpj15mcd-tincd-clippy-0.1.0.drv