these 2 derivations will be built:
  /nix/store/35pmz0hpgsc2didrkaiknj2jpql2cdxr-muse-code-1.4.12-R6909.1.drv
  /nix/store/c3g7lg6lwyafh2jiznlwam7k52z80nyi-check-muse-code.drv