# Pastebin yKBR1OXs
[root@nixos:/]# nixos-install 
building the configuration in /mnt/etc/nixos/configuration.nix...
warning: dumping very large path (> 256 MiB); this may run out of memory
[0/163 built, 1/267/271 copied (1302.7/1331.1 MiB), 7.2 MiB DL] error: cloning builder process: Operation not permitted
[270 copied (1305.7 MiB), 7.2 MiB DL]
error: unable to start build process