these 3 derivations will be built:
  /nix/store/k0362hljrz8qh7lz95c5jq7ihzx91xq7-skills-src-with-lock.drv
  /nix/store/8clkc4m83h6fjb4lf4ci1bm6fi923236-skills-1.7.4.drv
  /nix/store/22r64bqa9zs3xv67pgvgszcjmqf242nd-check-skills.drv