Rust running as a Xen Mini-OS guest

gistfile1.txt

xen-test@xen-test:/usr/src/xen/stubdom/rust$ sudo xl create -c ./rust-dom.cfg
Parsing config from ./rust-dom.cfg
Xen Minimal OS!
  start_info: 0xfa000(VA)
    nr_pages: 0x2000
  shared_inf: 0x7fcd7000(MA)
     pt_base: 0xfd000(VA)
nr_pt_frames: 0x5
    mfn_list: 0xea000(VA)
   mod_start: 0x0(VA)
     mod_len: 0
       flags: 0x0
    cmd_line: 
       stack: 0xa8b00-0xc8b00
MM: Init
      _text: 0x0(VA)
     _etext: 0x78a64(VA)
   _erodata: 0x91000(VA)
     _edata: 0x92c40(VA)
stack start: 0xa8b00(VA)
       _end: 0xe9408(VA)
  start_pfn: 105
    max_pfn: 2000
Mapping memory range 0x105000 - 0x2000000
setting 0x0-0x91000 readonly
skipped 1000
MM: Initialise page allocator for 113000(113000)-2000000(2000000)
MM: done
Demand map pfns at 2001000-0x2002001000.
Heap resides at 2002002000-4002002000.
Initialising timer interface
Initialising console ... done.
gnttab_table mapped at 0x2001000.
Initialising scheduler
Thread "Idle": pointer: 0x0x2002002050, stack: 0x0x130000
Thread "xenstore": pointer: 0x0x2002002800, stack: 0x0x140000
xenbus initialised on irq 1 mfn 0x722fb
Thread "shutdown": pointer: 0x0x2002002fb0, stack: 0x0x150000
main.c: dummy main: start_info=0xc8c00
Thread "main": pointer: 0x0x2002003760, stack: 0x0x160000
[main] Waiting for network.
************************ NETFRONT for device/vif/0 **********


net TX ring size 256
net RX ring size 256
Failed to read device/vif/0/backend-id.
Abort transaction writing tx ring-ref
[main] IP 0 netmask 0 gateway 0.
[main] TCP/IP bringup begins.
Thread "tcpip_thread": pointer: 0x0x2002004150, stack: 0x0x170000
[tcpip_thread] TCP/IP bringup ends.
[main] Network is ready.
"main" 
starting rust
Hello from Rust!
callback returned
close(0)
close(1)
close(2)
main returned 0