Partial build log
this derivation will be built:
/nix/store/hkng1xqvkrd3y9hcjfbx86kffw9s4xdx-03_diffoptstypo.patch.drv
building '/nix/store/4id8q2bvn40ryw8c1x0py09wmsn8kd9i-03_diffoptstypo.patch.drv'...
03_diffoptstypo.patch> trying https://sources.debian.net/data/main/c/cvsps/2.1-7/debian/patches/03_diffoptstypo.patch
03_diffoptstypo.patch> % Total % Received % Xferd Average Speed Time Time Time Current
03_diffoptstypo.patch> Dload Upload Total Spent Left Speed
03_diffoptstypo.patch> 100 364 100 364 0 0 684 0 --:--:-- --:--:-- --:--:-- 684
03_diffoptstypo.patch> 0 265 0 0 0 0 0 0 --:--:-- 0:00:01 --:--:-- 0
03_diffoptstypo.patch> curl: (22) The requested URL returned error: 404
03_diffoptstypo.patch> error checking the existence of file:///dev/null/sha256/06n8652g7inpv8cgqir7ijq00qw1fr0v44m2pbmgx7ilmna2vrcw:
03_diffoptstypo.patch> curl: (37) Couldn't open file /dev/null/sha256/06n8652g7inpv8cgqir7ijq00qw1fr0v44m2pbmgx7ilmna2vrcw
03_diffoptstypo.patch> error: cannot download 03_diffoptstypo.patch from any mirror
error: builder for '/nix/store/4id8q2bvn40ryw8c1x0py09wmsn8kd9i-03_diffoptstypo.patch.drv' failed with exit code 1
error: