/proc/thread-self/root/proc/2/root/proc/2/root/proc/self/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 1124 0 78 0 51 67 0 0 20 0 22 0 110999 1058807808 1243 18446744073709551615 94262439121104 94262440443888 140736792382560 0 0 0 0 4096 83008 0 0 0 17 1 0 0 0 0 0 94262440485272 94262440487984 94263260426240 140736792388200 140736792388419 140736792388419 140736792391652 0