/proc/self/root/proc/thread-self/root/proc/self/root/proc/4/root/proc/2
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 /.
2 (bootstrap) S 0 2 0 0 -1 4194560 1728 0 79 0 263 371 0 0 20 0 12 0 2017 839823360 1676 18446744073709551615 94765502136528 94765503459312 140732831473216 0 0 0 0 4096 83008 0 0 0 17 0 0 0 0 0 0 94765503500696 94765503503408 94765549375488 140732831478376 140732831478595 140732831478595 140732831481828 0