these 3 derivations will be built:
  /nix/store/lxkn6mdp7fil8586rfjq5hwzybadv9ky-source.drv
  /nix/store/p5z1s6x9wq5g4zl5cdh9b27v221jmziy-hunk-0.23.0.drv
  /nix/store/08vkw8912bkzpj5j4264pgaspqr2n78k-check-hunk.drv