[Error]: nix-env failed with signal: 9

[niksingh710]

> nix-index
+ querying available packages
error: querying available packages failed
caused by: nix-env failed with error: nix-env failed with signal: 9 (SIGKILL):

This is the error i am getting.

[victorbnl]

I am getting the same issue. The computer gets unresponsive for a short period before this error happens. It looks like nix-index is getting killed because it runs out of memory.

There is a discussion on reducing nix-index's RAM usage there #64.