these 4 derivations will be built:
  /nix/store/vs2dc1x8wl49xvqh54k763wsdn5lv4ba-source.drv
  /nix/store/pnpk9k87hgs3clk5frw89564gfpy0z14-entire-0.12.1-go-modules.drv
  /nix/store/zk4r8mlqmx0n8fhw19ia8x0f0f70ckl9-entire-0.12.1.drv
  /nix/store/rwmcjg9b7c6zw4lz6n272fx4mp382vvk-check-entire.drv