structuredAttrs is enabled

trying https://github.com/NixOS/nix-eval-jobs/archive/c026cff507d3f5ea067098d323a2f29e2f634c2f.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  69793   0  69793   0      0 139.7k      0                              0
100  69793   0  69793   0      0 139.7k      0                              0
100  69793   0  69793   0      0 139.7k      0                              0
unpacking source archive /build/download.tar.gz