these 2 derivations will be built:
  /nix/store/qrhpqp52bv5im70v4vh61nwnqzzp2kmf-muse-code-1.4.6-R6000.1.drv
  /nix/store/zkmbi9zcpf7q559kq5f0pncyczj9ml5w-check-muse-code.drv