these 4 derivations will be built:
  /nix/store/i0d3nf3bnmv2c1avacmwniw88pqih9i5-source.drv
  /nix/store/v8793vy7zbflkhyp7rl0vl8zkp0yiw66-multica-0.9.0-go-modules.drv
  /nix/store/l9iklisq817d6jbv5lvr5zpvkfjnjxrm-multica-0.9.0.drv
  /nix/store/icvmi4iqlnhk37kv9xd5apbsbpvmg7h1-check-multica.drv