these 4 derivations will be built:
  /nix/store/867x3bb3jlwdhk0l9j285hn5ixdgv78s-source.drv
  /nix/store/k8myx0f2mfmd5hmjqrikn6ba15raxqvj-reasonix-1.39.5-go-modules.drv
  /nix/store/zfzzz2ijqmyijz11pr75l4ic5nfjd7nb-reasonix-1.39.5.drv
  /nix/store/2vn19amwsydd392g7j4h60winkb6y9l0-check-reasonix.drv