these 2 derivations will be built:
  /nix/store/ajb4mx3zcxaj1av8j3kl8vy7lki3j506-niks3-tests-1.4.0.drv
  /nix/store/3bni638l0ymxv4gzg1zmnaagbykvg0mc-niks3-go-unit-tests.drv