these 2 derivations will be built:
  /nix/store/pjznnj0s2zwdl6jdgn7n4yjm99nhr0bd-opencode2-2.1.2.drv
  /nix/store/haqxgbkzq6hc2d3z87zg9970clq5di0x-check-opencode2.drv