Partial build log
this derivation will be built:
/nix/store/4g9nmd0hhqqd57zr1kivcl266bcs944d-clang_FTBFS_Wreturn-type.patch.drv
building '/nix/store/ss64s7yf99l50y34x7hgwi967y3h4srs-clang_FTBFS_Wreturn-type.patch.drv'...
clang_FTBFS_Wreturn-type.patch> trying https://raw.githubusercontent.com/nonas/debian-clang/master/buildlogs/gpicview/gpicview-0.2.4/debian/patches/clang_FTBFS_Wreturn-type.patch
clang_FTBFS_Wreturn-type.patch> % Total % Received % Xferd Average Speed Time Time Time Current
clang_FTBFS_Wreturn-type.patch> Dload Upload Total Spent Left Speed
clang_FTBFS_Wreturn-type.patch> 100 444 100 444 0 0 1447 0 --:--:-- --:--:-- --:--:-- 1450