/proc/self/task/20
This explorer reads the filesystem of the server it runs on, so /workspace/user isn't present here. Browsing and the terminal still work against this server's own disk from /.
202 0x68daa6c 0x189 0x1e702 0x0 0x0 0xffffffff 0x7f5884febb80 0x7f58c596137a