Partial build log
this derivation will be built:
/nix/store/ppyshlgmryps0cijw0vykgnfm7n5w07w-fno-common.patch.drv
building '/nix/store/w0zmzjs3p07jw4f1lxf4awbjkg2srdcc-fno-common.patch.drv'...
fno-common.patch> trying https://github.com/freedesktop/xorg-xf86-video-xgi/commit/3143bdee580c4d397e21adb0fa35502d4dc8e888.patch
fno-common.patch> % Total % Received % Xferd Average Speed Time Time Time Current
fno-common.patch> Dload Upload Total Spent Left Speed
fno-common.patch> 0 9 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0
fno-common.patch> curl: (22) The requested URL returned error: 404
fno-common.patch> error checking the existence of file:///dev/null/sha256/0by6k26rj1xmljnbfd08v90s1f9bkmnf17aclhv50081m83lmm07:
fno-common.patch> curl: (37) Couldn't open file /dev/null/sha256/0by6k26rj1xmljnbfd08v90s1f9bkmnf17aclhv50081m83lmm07
fno-common.patch> error: cannot download fno-common.patch from any mirror
error: builder for '/nix/store/w0zmzjs3p07jw4f1lxf4awbjkg2srdcc-fno-common.patch.drv' failed with exit code 1
error: