these 3 derivations will be built:
  /nix/store/wdcxa3yambwv41irhdviqnyy06khrama-skills-src-with-lock.drv
  /nix/store/v4fdm20lz9mzshay1880l6bqzwkr7z5q-skills-1.8.1.drv
  /nix/store/ygpm2v26k7k47gp37azqyjxq6p9w9vba-check-skills.drv