these 2 derivations will be built:
  /nix/store/4b7gqb6l9wmrd6glfnp3gaazfnf7hcsn-muse-code-1.4.14-R7309.1.drv
  /nix/store/vfgwmjfki6w67cywa89y8w0vmg5dnz0k-check-muse-code.drv