structuredAttrs is enabled

trying https://github.com/agentclientprotocol/claude-agent-acp/archive/refs/tags/v0.79.0.tar.gz
  % Total    % Received % Xferd  Average Speed  Time    Time    Time   Current
                                 Dload  Upload  Total   Spent   Left   Speed

  0      0   0      0   0      0      0      0                              0
  0      0   0      0   0      0      0      0                              0
  0      0   0      0   0      0      0      0                              0

  0      0   0      0   0      0      0      0                              0
100 538.6k   0 538.6k   0      0 957.1k      0                              0
100 538.6k   0 538.6k   0      0 957.0k      0                              0
100 538.6k   0 538.6k   0      0 956.9k      0                              0
unpacking source archive /nix/var/nix/builds/nix-22492-2155286403/download.tar.gz