panic

 2020-12-31T23:52:01.480Z WARN  cardano_ouroboros_network::protocols::chainsync   > rollback to slot: 17892425
 2020-12-31T23:52:01.503Z WARN  cardano_ouroboros_network::protocols::chainsync   > rollback to slot: 17892425
thread '<unnamed>' panicked at 'called `Result::unwrap()` on an `Err` value: ErrorImpl { code: TrailingData, offset: 3 }', /home/ubuntu/.cargo/git/checkouts/rust-cardano-ouroboros-network-b5c2c96931e555ed/e54237c/src/protocols/chainsync.
rs:436:59
stack backtrace:
   0:     0x55ae5b2aae20 - std::backtrace_rs::backtrace::libunwind::trace::h72c2fb8038f1bbee
                               at /rustc/7eac88abb2e57e752f3302f02be5f3ce3d7adfb4/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
   1:     0x55ae5b2aae20 - std::backtrace_rs::backtrace::trace_unsynchronized::h1e3b084883f1e78c
                               at /rustc/7eac88abb2e57e752f3302f02be5f3ce3d7adfb4/library/std/src/../../backtrace/src/backtrace/mod.rs:66
   2:     0x55ae5b2aae20 - std::sys_common::backtrace::_print_fmt::h3bf6a7ebf7f0394a
                               at /rustc/7eac88abb2e57e752f3302f02be5f3ce3d7adfb4/library/std/src/sys_common/backtrace.rs:79
   3:     0x55ae5b2aae20 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h2e8cb764b7fe02e7
                               at /rustc/7eac88abb2e57e752f3302f02be5f3ce3d7adfb4/library/std/src/sys_common/backtrace.rs:58
   4:     0x55ae5b2cfc3c - core::fmt::write::h7a1184eaee6a8644
                               at /rustc/7eac88abb2e57e752f3302f02be5f3ce3d7adfb4/library/core/src/fmt/mod.rs:1080
 2020-12-31T23:52:01.586Z INFO  cardano_ouroboros_network::protocols::chainsync   > Pooltool (AIJOU, 6226fce4): (5150445, cd192fd2f53b5bdd), json: {"success":true,"message":null}
   5:     0x55ae5b2a3352 - std::io::Write::write_fmt::haeeb374d93a67eac
                               at /rustc/7eac88abb2e57e752f3302f02be5f3ce3d7adfb4/library/std/src/io/mod.rs:1516
   6:     0x55ae5b2ad45d - std::sys_common::backtrace::_print::h1d14a7f6ad632dc8
                               at /rustc/7eac88abb2e57e752f3302f02be5f3ce3d7adfb4/library/std/src/sys_common/backtrace.rs:61
   7:     0x55ae5b2ad45d - std::sys_common::backtrace::print::h301abac8bb2e3e81
                               at /rustc/7eac88abb2e57e752f3302f02be5f3ce3d7adfb4/library/std/src/sys_common/backtrace.rs:48
   8:     0x55ae5b2ad45d - std::panicking::default_hook::{{closure}}::hde0cb80358a6920a
                               at /rustc/7eac88abb2e57e752f3302f02be5f3ce3d7adfb4/library/std/src/panicking.rs:208
   9:     0x55ae5b2ad108 - std::panicking::default_hook::h9b1a691049a0ec8f
                               at /rustc/7eac88abb2e57e752f3302f02be5f3ce3d7adfb4/library/std/src/panicking.rs:227
  10:     0x55ae5ade992e - cncli::main::{{closure}}::h553ed6e79e96715e
  11:     0x55ae5b2adb66 - std::panicking::rust_panic_with_hook::h2bdec87b60580584
                               at /rustc/7eac88abb2e57e752f3302f02be5f3ce3d7adfb4/library/std/src/panicking.rs:581
  12:     0x55ae5b2ad6e9 - std::panicking::begin_panic_handler::{{closure}}::h101ca09d9df5db47
                               at /rustc/7eac88abb2e57e752f3302f02be5f3ce3d7adfb4/library/std/src/panicking.rs:484
  13:     0x55ae5b2ab28c - std::sys_common::backtrace::__rust_end_short_backtrace::h3bb85654c20113ca
                               at /rustc/7eac88abb2e57e752f3302f02be5f3ce3d7adfb4/library/std/src/sys_common/backtrace.rs:153
  14:     0x55ae5b2ad6a9 - rust_begin_unwind
                               at /rustc/7eac88abb2e57e752f3302f02be5f3ce3d7adfb4/library/std/src/panicking.rs:483
  15:     0x55ae5b2ce261 - core::panicking::panic_fmt::h48c31e1e3d550146
                               at /rustc/7eac88abb2e57e752f3302f02be5f3ce3d7adfb4/library/core/src/panicking.rs:85
  16:     0x55ae5b2ce083 - core::option::expect_none_failed::h6154dc750ae47ade
                               at /rustc/7eac88abb2e57e752f3302f02be5f3ce3d7adfb4/library/core/src/option.rs:1234
  17:     0x55ae5aec2199 - <cardano_ouroboros_network::protocols::chainsync::ChainSyncProtocol as cardano_ouroboros_network::Protocol>::receive_data::ha0820768d14edf69
  18:     0x55ae5aed04eb - cardano_ouroboros_network::mux::mux_receive_data::he2cbfacb927c9b79
  19:     0x55ae5adfef79 - cardano_ouroboros_network::mux::start::h6e90ce89a311a169
  20:     0x55ae5ae28ceb - std::sys_common::backtrace::__rust_begin_short_backtrace::h0dd2b2a8525a9157
  21:     0x55ae5ae01a87 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hdcd68b0b3e0b26e4
  22:     0x55ae5b2b497a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hbb39a3e615f69ef9
                               at /rustc/7eac88abb2e57e752f3302f02be5f3ce3d7adfb4/library/alloc/src/boxed.rs:1042
  23:     0x55ae5b2b497a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h79630a683aed732c
                               at /rustc/7eac88abb2e57e752f3302f02be5f3ce3d7adfb4/library/alloc/src/boxed.rs:1042
  24:     0x55ae5b2b497a - std::sys::unix::thread::Thread::new::thread_start::h4afaeade0da13617
                               at /rustc/7eac88abb2e57e752f3302f02be5f3ce3d7adfb4/library/std/src/sys/unix/thread.rs:87
  25:     0x7f3dcb2ad6db - start_thread
  26:     0x7f3dcb984a3f - __clone
  27:                0x0 - <unknown>