these 3 derivations will be built:
  /nix/store/i9rdi1l9b7fdmi39hwff9bgncygndhcg-source.drv
  /nix/store/31yygf6fb65ypw810q4hf69hi1q3dajh-agentty-0.9.25.drv
  /nix/store/ia6aj1kq79v08xp58m66ayaakvh90dr3-check-agentty.drv