these 2 derivations will be built:
  /nix/store/aygx2l1i82b6am9apgz4a61ivcgw9vsk-niks3-tests-1.4.0.drv
  /nix/store/g5f6v5fwmkhsjcbpymcnkrm3hw9c0wkb-niks3-go-unit-tests.drv