Partial build log
this derivation will be built:
/nix/store/01x3j5girzvjx8cfy0dpvgv56i0yznnq-patch-6.1.19-rt8.patch.xz.drv
building '/nix/store/azljy6b0vv656c4v3x3pan79i9lbp9v7-patch-6.1.19-rt8.patch.xz.drv'...
patch> trying https://cdn.kernel.org/pub/linux/kernel/projects/rt/6.1/older/patch-6.1.19-rt8.patch.xz
patch> % Total % Received % Xferd Average Speed Time Time Time Current
patch> Dload Upload Total Spent Left Speed
patch> 0 369 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0
patch> curl: (22) The requested URL returned error: 404
patch> trying http://linux-kernel.uio.no/pub/linux/kernel/projects/rt/6.1/older/patch-6.1.19-rt8.patch.xz
patch> % Total % Received % Xferd Average Speed Time Time Time Current
patch> Dload Upload Total Spent Left Speed
patch> 0 262 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0
patch> curl: (22) The requested URL returned error: 404
patch> trying ftp://ftp.funet.fi/pub/mirrors/ftp.kernel.org/pub/linux/kernel/projects/rt/6.1/older/patch-6.1.19-rt8.patch.xz
patch> % Total % Received % Xferd Average Speed Time Time Time Current
patch> Dload Upload Total Spent Left Speed
patch> 0 0 0 0 0 0 0 0 --:--:-- 0:00:01 --:--:-- 0
patch> curl: (78) The file does not exist
patch> error checking the existence of file:///dev/null/sha256/1nd3x7rgssf3f9vxsplnp5zg0cbixm9lf6sswlnl6pcvj4adagg1:
patch> curl: (37) Couldn't open file /dev/null/sha256/1nd3x7rgssf3f9vxsplnp5zg0cbixm9lf6sswlnl6pcvj4adagg1
patch> error: cannot download patch-6.1.19-rt8.patch.xz from any mirror
error: builder for '/nix/store/azljy6b0vv656c4v3x3pan79i9lbp9v7-patch-6.1.19-rt8.patch.xz.drv' failed with exit code 1
error: