these 2 derivations will be built:
  /nix/store/gvjjpl472jg1wxwlp5jcp50fmxwvrn2l-agent-manager-0.42.0.drv
  /nix/store/zxfpp05p1f41mxnbhgfckj65d3lwpjxw-check-agent-manager.drv