these 2 derivations will be built:
  /nix/store/qgswbcldavrxc6l959vb77967wncc7qy-niks3-tests-1.4.0.drv
  /nix/store/wg5q0nwkxv9kmmbvj0vzzgkh2jnbb13j-niks3-go-unit-tests.drv