these 2 derivations will be built:
  /nix/store/irl4dia3qwr4spdn3v6k32xrngr8m3zf-go2nix-nix-plugin-0.1.0.drv
  /nix/store/rjb56wypffb9l30jkmw8rcw2wlf2by7b-go2nix-nix-plugin-eval-test.drv