structuredAttrs is enabled

trying https://github.com/microsoft/apm/archive/refs/tags/v0.26.0.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
100  6.51M   0  6.51M   0      0  4.90M      0           00:01          5.85M
unpacking source archive /nix/var/nix/builds/nix-21372-1153618240/download.tar.gz