structuredAttrs is enabled trying https://github.com/kdlbs/kandev/archive/refs/tags/v0.97.0.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 5.75M 0 5.75M 0 0 4.83M 0 00:01 5.71M 100 12.76M 0 12.76M 0 0 5.75M 0 00:02 6.27M 100 20.31M 0 20.31M 0 0 6.29M 0 00:03 6.67M 100 27.50M 0 27.50M 0 0 6.47M 0 00:04 6.76M 100 35.25M 0 35.25M 0 0 6.67M 0 00:05 6.91M 100 55.95M 0 55.95M 0 0 8.91M 0 00:06 9.86M 100 66.40M 0 66.40M 0 0 9.21M 0 00:07 9.86M 100 66.40M 0 66.40M 0 0 9.21M 0 00:07 9.86M 100 66.40M 0 66.40M 0 0 9.21M 0 00:07 9.86M unpacking source archive /nix/var/nix/builds/nix-51595-1978014670/download.tar.gz