/proc/self/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 HI: 0 TIMER: 733 NET_TX: 7 NET_RX: 4222 BLOCK: 0 IRQ_POLL: 0 TASKLET: 383 SCHED: 0 HRTIMER: 0 RCU: 1447