these 4 derivations will be built:
  /nix/store/yq6sgjbm83h1iapcbxxwq7clk4l7bpnq-source.drv
  /nix/store/3hqkzjkm66kwyj4i7jp8wnw78ckl6vaj-reasonix-1.39.0-go-modules.drv
  /nix/store/ygsxw55a3k0kfwx3mpy19gdrkfdl4s8n-reasonix-1.39.0.drv
  /nix/store/aysx2qzvwz8jv56p6q5hngkvy2wrdcj7-check-reasonix.drv