these 4 derivations will be built:
  /nix/store/y1j2m9smpwdhh2p6xkamv69rp6n2n4xc-source.drv
  /nix/store/iawwwjrh4fsxx56k6nviiyzzgk7xp5h5-multica-0.5.3-go-modules.drv
  /nix/store/zp15lf0zwbyw90hqvv7rd2papzfp1fym-multica-0.5.3.drv
  /nix/store/mcgqr70r5rmdrqab3kcak2p37r10zznv-check-multica.drv