/proc/1
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 /.
61 0xffffffff 0x7ffee0facff0 0x0 0x0 0x56181faae7f0 0x7ffee0fac008 0x7ffee0fac1d8 0x7f58b045173a