Partial build log
this derivation will be built:
/nix/store/rcl4l4qx5l5j13f05d7gw87gr54lflgn-graphviz-2.0.tar.gz.drv
building '/nix/store/rcl4l4qx5l5j13f05d7gw87gr54lflgn-graphviz-2.0.tar.gz.drv'...
graphviz> trying http://www.graphviz.org/pub/graphviz/ARCHIVE/graphviz-2.0.tar.gz
graphviz> % Total % Received % Xferd Average Speed Time Time Time Current
graphviz> Dload Upload Total Spent Left Speed
graphviz> 100 100 100 100 0 0 401 0 --:--:-- --:--:-- --:--:-- 403
graphviz> 0 6162 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0
graphviz> curl: (22) The requested URL returned error: 404
graphviz> error checking the existence of file:///dev/null/sha256/39b8e1f2ba4cc1f5bdc8e39c7be35e5f831253008e4ee2c176984f080416676c:
graphviz> curl: (37) Couldn't open file /dev/null/sha256/39b8e1f2ba4cc1f5bdc8e39c7be35e5f831253008e4ee2c176984f080416676c
graphviz> error: cannot download graphviz-2.0.tar.gz from any mirror
error: builder for '/nix/store/rcl4l4qx5l5j13f05d7gw87gr54lflgn-graphviz-2.0.tar.gz.drv' failed with exit code 1