structuredAttrs is enabled

trying https://github.com/microsoft/apm/archive/refs/tags/v0.27.0.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  6.73M   0  6.73M   0      0  4.59M      0           00:01          5.03M
unpacking source archive /nix/var/nix/builds/nix-49054-3877451180/download.tar.gz