Partial build log
this derivation will be built:
/nix/store/zg477jhviwqvqfa97jrk654m83n2h13b-monotone-viz-1.0.2-dot.patch.drv
building '/nix/store/m9sdb7ip6fwb05nzh69cs7y2frrbb423-monotone-viz-1.0.2-dot.patch.drv'...
monotone-viz> trying https://src.fedoraproject.org/cgit/rpms/monotone-viz.git/plain/monotone-viz-1.0.2-dot.patch
monotone-viz> % Total % Received % Xferd Average Speed Time Time Time Current
monotone-viz> Dload Upload Total Spent Left Speed
monotone-viz> 100 343 100 343 0 0 556 0 --:--:-- --:--:-- --:--:-- 555
monotone-viz> 0 3565 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0
monotone-viz> curl: (22) The requested URL returned error: 404
monotone-viz> error checking the existence of file:///dev/null/sha256/0risfy8iqmkr209hmnvpv57ywbd3rvchzzd0jy2lfyqrrrm6zknw:
monotone-viz> curl: (37) Couldn't open file /dev/null/sha256/0risfy8iqmkr209hmnvpv57ywbd3rvchzzd0jy2lfyqrrrm6zknw
monotone-viz> error: cannot download monotone-viz-1.0.2-dot.patch from any mirror
error: builder for '/nix/store/m9sdb7ip6fwb05nzh69cs7y2frrbb423-monotone-viz-1.0.2-dot.patch.drv' failed with exit code 1
error: