/ # fg
irssi


panic cpu=0 at zircon-object/src/task/thread.rs:1513:54
called `Option::unwrap()` on a `None` value
[backtrace]
  ret=0xffffff000005d84b <core::panicking::panic_fmt+0x2b>
  ret=0xffffff000005ece1 <core::panicking::panic+0x11>
  ret=0xffffff0000060068 <core::option::unwrap_failed+0x18>
  ret=0xffffff00004b9d39 <zcore_loader::linux::run_user::{closure#0}+0x6709>
  ret=0xffffff0000512386 <<zircon_object::task::thread::ThreadSwitchFuture as core::future::future::Future>::poll+0x236>
  ret=0xffffff000011bb94 <<executor::executor::Executor>::run+0xf34>
  ret=0xffffff000011ab36 <run_executor+0x16>
  ret=0xffffff0000000006 <executor_entry+0x6>

[oops] kernel panic NOT contained (the CPU holds 1 kernel lock(s)) — halting