these 4 derivations will be built:
  /nix/store/d3r50v0k4v4gcnmavbpqpahs533b35jj-Cargo.toml.drv
  /nix/store/ph804m2n91mxspikqnyxhqsxrnd06b29-source.drv
  /nix/store/l41afmg1dsj6bc14nk3vfav34yg3xpq1-horae-checks-deps-0.1.0.drv
  /nix/store/5dqrn0v11abccryams9mqj5vasqsfq57-horae-clippy-0.1.0.drv