these 4 derivations will be built:
  /nix/store/68kvbfarbsayf155kzpg2hl3ak8dx546-source.drv
  /nix/store/7xnii4i4vxxqp7lgj8vsvsfv8z8m8miy-multica-0.6.1-go-modules.drv
  /nix/store/z1m0pxw3ypcvyhqz0vzqjj8y8s66wnrg-multica-0.6.1.drv
  /nix/store/3lrw7iqn0vm89fpj1b5r3k8q0a5639jl-check-multica.drv