/proc/self/root/proc/2/root/proc
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 /.
CPU0 CPU1 HI: 0 0 TIMER: 2392 2302 NET_TX: 0 0 NET_RX: 28221 27492 BLOCK: 158 2531 IRQ_POLL: 0 0 TASKLET: 10 300 SCHED: 4621 5500 HRTIMER: 0 0 RCU: 4156 4732