these 3 derivations will be built:
  /nix/store/xlg4vrq4463i6xqjfmdq9lwfvzc1fxi4-source.drv
  /nix/store/0xm18y0mn370frdih4fbja6r9kkaz6x1-gascity-1.4.2-go-modules.drv
  /nix/store/4z5yr2jkz7gxiw2rmckj2s2ixcidjh22-gascity-1.4.2.drv