these 2 derivations will be built:
  /nix/store/annl8ygvr7y1695awcf9l8jna72y8j7k-muse-code-1.4.8-R6256.1.drv
  /nix/store/id0ddvixfrs16ydy9i615w2avmii1n0l-check-muse-code.drv