Nix on WSL error

  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100  2358  100  2358    0     0   4985      0 --:--:-- --:--:-- --:--:--  4995
downloading Nix 1.11.15 binary tarball for x86_64-linux from 'https://nixos.org/releases/nix/nix-1.11.15/nix-1.11.15-x86_64-linux.tar.bz2' to '/tmp/nix-binary-tarball-unpack.HS7kr4XN4w'...
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100 28.3M  100 28.3M    0     0  2010k      0  0:00:14  0:00:14 --:--:-- 2242k
performing a single-user installation of Nix...
copying Nix to /nix/store....mv: cannot move '/nix/store/./1gq4aiwf6gz77msik93w66q8r5ksx24h-nghttp2-1.20.0-lib.33' to '/nix/store/./1gq4aiwf6gz77msik93w66q8r5ksx24h-nghttp2-1.20.0-lib': Permission denied