these 2 derivations will be built:
  /nix/store/fn5z92xh4hz6qf8mcxc2pqy9sc8zjgjn-dsh-0.2.2-rc.3.drv
  /nix/store/c3qkj5k3ah7yxf682bbcrgssn49c3nry-check-dsh.drv