these 2 derivations will be built:
  /nix/store/r67rsaaria4rbd99bv92sdc55zmmb9fw-niks3-tests-1.4.0.drv
  /nix/store/8m2k3fzjn5dpypjfag2c7kbwbyfldayd-niks3-go-unit-tests.drv