Permission denied on Windows

[stevefan1999-personal]

 examples  cd .\hello_world\
 hello_world  buck2 init --git
Initialized empty Git repository in C:/Users/SteveFan/git/github.com/facebookincubator/buck2/examples/hello_world/.git/
Cloning into 'C:/Users/SteveFan/git/github.com/facebookincubator/buck2/examples/hello_world/prelude'...
remote: Enumerating objects: 5647, done.
remote: Counting objects: 100% (1679/1679), done.
remote: Compressing objects: 100% (607/607), done.
remote: Total 5647 (delta 1068), reused 1672 (delta 1062), pack-reused 3968
Receiving objects: 100% (5647/5647), 2.17 MiB | 5.74 MiB/s, done.
Resolving deltas: 100% (3699/3699), done.
warning: in the working copy of '.gitmodules', LF will be replaced by CRLF the next time Git touches it
 hello_world  buck2 build
Build ID: 74cc4593-2b17-499a-8c75-20ee1c8fdf9e
Jobs completed: 2. Time elapsed: 0.0s.
BUILD SUCCEEDED
 hello_world  buck2 build //...
File changed: root//.git/fsmonitor--daemon/cookies
File changed: root//.git/fsmonitor--daemon/cookies/21900-3
File changed: root//.git/modules/prelude/fsmonitor--daemon/cookies
1 additional file change events
Action failed: root//:print (symlinked_dir buck-headers)
Internal error: symlink(original=../../../../../../../library.hpp, link=C:\Users\SteveFan\git\github.com\facebookincubator\buck2\examples\hello_world\buck-out\v2\gen\root\fb50fd37ce946800\__print__\buck-headers\library.hpp): A required privilege is not held by the client. (os error 1314)
Build ID: 228f67cb-a339-403a-8d31-fd2f8f28233a
Jobs completed: 50. Time elapsed: 0.4s.
BUILD FAILED
Failed to build 'root//:print (prelude//platforms:default#fb50fd37ce946800)'

[stevefan1999-personal]

Solved. Just forgot to enable developer mode.

[ndmitchell]

Added a note c64c7b8

[ndmitchell]

And added #150 to suggest this if people get it wrong