locksmith bug

thread 'net_worker_thread/puid-8-4' panicked at 'Couldn't get lock on Context::thread_pool: LocksmithError { lock_type: Lock, kind: LocksmithTimeout }', src/libcore/result.rs:1051:5
stack backtrace:

   0:     0x5652278e508b - backtrace::backtrace::libunwind::trace::hd4effc5cbc99af65
                               at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88
   1:     0x5652278e508b - backtrace::backtrace::trace_unsynchronized::h389cccb5967fa3c2
                               at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66
   2:     0x5652278e508b
 - std::sys_common::backtrace::_print::hbb606689fb98322f
                               at src/libstd/sys_common/backtrace.rs:47
   3:     0x5652278e508b - std::sys_common::backtrace::print::h2b6171d791ff1fac
                               at src/libstd/sys_common/backtrace.rs:36
   4:     0x5652278e508b - std::panicking::default_hook::{{closure}}::h7c4f6f6170cc3cf6
                               at src/libstd/panicking.rs:200
   5:     0x5652278e4d67 - std::panicking::default_hook::hd9f23e1c4cbbedcb
                               at src/libstd/panicking.rs:214
   6:     0x5652278e5800 - std::panicking::rust_panic_with_hook::h7fedb25d8f7a616a
                               at src/libstd/panicking.rs:477
   7:     0x5652278e5382 - std::panicking::continue_panic_fmt::hed2a79ffb3c5014c
                               at src/libstd/panicking.rs:384
   8:     0x5652278e5266 - rust_begin_unwind
                 
              at src/libstd/panicking.rs:311

   9:     0x56522790924d - core::panicking::panic_fmt::hcd868b6ef07f5b76
                               at src/libcore/panicking.rs:85
  10:     0x565226a401e2 - core::result::unwrap_failed::h67ba97b59f2559ad
  11:     0x565226b59024 - holochain_core::context::Context::spawn_task::h68a00f55f8273013
  12:     0x565226c4e4a9 - holochain_core::network::handler::create_handler::{{closure}}::had910f815e9241f3

  13:     0x565226d139e4 - holochain_net::connection::net_connection::NetHandler::handle::hd25636306241b68f
  14:     0x565226d057ec - <holochain_net::sim2h_worker::Sim2hWorker as holochain_net::connection::net_connection::NetWorker>::tick::ha4aa2123cd616095
  15:     0x565226dc7427 - std::sys_common::backtrace::__rust_begin_short_backtrace::hfef40b8bdbf1c14a
  16:     0x565226d5fc1e - std::panicking::try::do_call::h4db4b7ed5ccc746e
  17:     0x5652278f072a - __rust_maybe_catch_panic
                               at src/libpanic_unwind/lib.rs:82
  18:     0x565226d12da4 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h3f32743623fe434e
  19:     0x5652278d30af - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h56322f6b657cd33d
                             
  at /rustc/69656fa4cbafc378fd63f9186d93b0df3cdd9320/src/liballoc/boxed.rs:766
  20:     0x5652278efab0 - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h2cbeedc59f1a5bf0
                               at /rustc/69656fa4cbafc378fd63f9186d93b0df3cdd9320/src/liballoc/boxed.rs:766
  21:     0x5652278efab0 - std::sys_common::thread::start_thread::h780c24dc0e8bc388
                               at src/libstd/sys_common/thread.rs:13
  22:     0x5652278efab0 - std::sys::unix::thread::Thread::new::thread_start::h588aedefb535eac7
                               at src/libstd/sys/unix/thread.rs:79
  23:     0x7f700814b669 - start_thread
  24:     0x7f7008059323 - clone
  25:                0x0 - <unknown>