vector-panic

gistfile1.txt

```
RUST_BACKTRACE=full vector
thread 'tokio-runtime-worker' panicked at 'Map must not be polled after it returned `Poll::Ready`', /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/macros.rs:13:23
stack backtrace:
   0:          0x3d3eba4 - backtrace::backtrace::libunwind::trace::hb4406b535adcad4b
                               at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
   1:          0x3d3eba4 - backtrace::backtrace::trace_unsynchronized::hc3b97551d9c97649
                               at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
   2:          0x3d3eba4 - std::sys_common::backtrace::_print_fmt::h9322dbca620b8d47
                               at src/libstd/sys_common/backtrace.rs:78
   3:          0x3d3eba4 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h79234da97f9402d2
                               at src/libstd/sys_common/backtrace.rs:59
   4:          0x3da994c - core::fmt::write::h41ef0932137bdf7d
                               at src/libcore/fmt/mod.rs:1069
   5:          0x3d305c3 - std::io::Write::write_fmt::h312ef768a3cf4b4c
                               at src/libstd/io/mod.rs:1504
   6:          0x3d43ba5 - std::sys_common::backtrace::_print::h4694a3f291fa8d1e
                               at src/libstd/sys_common/backtrace.rs:62
   7:          0x3d43ba5 - std::sys_common::backtrace::print::hfb15aabfb927de3e
                               at src/libstd/sys_common/backtrace.rs:49
   8:          0x3d43ba5 - std::panicking::default_hook::{{closure}}::h3b26307753b2c85d
                               at src/libstd/panicking.rs:198
   9:          0x3d438e2 - std::panicking::default_hook::h6c1e2612413a8036
                               at src/libstd/panicking.rs:218
  10:          0x3d44252 - std::panicking::rust_panic_with_hook::h80b8ced291ca9655
                               at src/libstd/panicking.rs:511
  11:          0x1b7122e - std::panicking::begin_panic::hf94707c7e41d3b07
  12:          0x1f193b7 - <futures_util::future::future::NeverError<Fut> as core::future::future::Future>::poll::h7fb471e0dc82775f
  13:          0x2203da9 - <futures_util::compat::compat03as01::Compat<Fut> as futures::future::Future>::poll::hd3a935b220d64df3
  14:          0x1c1510a - <vector::sinks::util::sink::BatchSink<S,B,Request> as futures::sink::Sink>::poll_complete::h2ae3a9d473642464
  15:          0x1641354 - <vector::sinks::util::http::BatchedHttpSink<T,B,L> as futures::sink::Sink>::start_send::h6270cd165e50a266
  16:          0x1d036de - <futures::sink::map_err::SinkMapErr<S,F> as futures::sink::Sink>::start_send::ha730f3a81be36f4a
  17:          0x126c54c - futures::stream::forward::Forward<T,U>::try_start_send::h274f27b1f33573ed
  18:          0x126d31f - <futures::stream::forward::Forward<T,U> as futures::future::Future>::poll::h077f3fc53897beea
  19:          0x1280d84 - futures::task_impl::std::set::h53f85a0e6443940f
  20:          0x122e474 - <futures_util::future::future::map::Map<Fut,F> as core::future::future::Future>::poll::hfd933a53897fe32f
  21:          0x128214d - <core::future::from_generator::GenFuture<T> as core::future::future::Future>::poll::h81b85de94c396ae0
  22:          0x122e158 - <futures_util::future::future::map::Map<Fut,F> as core::future::future::Future>::poll::ha6167120ab85eae2
  23:          0x2202eb9 - <futures_util::compat::compat03as01::Compat<Fut> as futures::future::Future>::poll::h7e4145cd2f7de68e
  24:          0x13f8d53 - <futures::future::catch_unwind::CatchUnwind<F> as futures::future::Future>::poll::h0d47d97fcb1297f1
  25:          0x1d080b6 - <futures::future::map_err::MapErr<A,F> as futures::future::Future>::poll::h930c769ce7e4d29a
  26:          0x157e86d - futures::future::chain::Chain<A,B,C>::poll::h27f8d59bd46a327f
  27:          0x157e0e3 - futures::future::chain::Chain<A,B,C>::poll::h2092c27f8a474836
  28:          0x1df48f0 - futures::task_impl::std::set::hbc7d2575c657f65e
  29:          0x21ecbf7 - tokio::runtime::task::core::Core<T,S>::poll::ha7254aa722c04116
  30:          0x144b74d - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::he09218a8732062c4
  31:          0x1cc1fff - tokio::runtime::task::harness::Harness<T,S>::poll::h64304abbdf9bb5ab
  32:          0x3af04b9 - std::thread::local::LocalKey<T>::with::h58db17c8c8cc5ed8
  33:          0x3b3dbd2 - tokio::runtime::thread_pool::worker::Context::run_task::h21a67803832d550e
  34:          0x3b3ceb7 - tokio::runtime::thread_pool::worker::Context::run::h3d3ffc51a9d31b7d
  35:          0x3b15a03 - tokio::macros::scoped_tls::ScopedKey<T>::set::h5028ba4784a659e1
  36:          0x3b3ccfb - tokio::runtime::thread_pool::worker::run::hfa180993a5aef8c4
  37:          0x3b2d04f - tokio::loom::std::unsafe_cell::UnsafeCell<T>::with_mut::h44035dce1c84ee65
  38:          0x3b44d20 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h92c906dbad6dc6de
  39:          0x3b1e964 - tokio::runtime::task::harness::Harness<T,S>::poll::hd0496122f77d4910
  40:          0x3af5ab7 - tokio::runtime::blocking::pool::Inner::run::h7ae7f4e7b2c33842
  41:          0x3b033fd - tokio::runtime::context::enter::h3802155d90994232
  42:          0x3afa056 - std::sys_common::backtrace::__rust_begin_short_backtrace::h0105dd64f26524b4
  43:          0x3b3167b - core::ops::function::FnOnce::call_once{{vtable.shim}}::h18060b52c8950229
  44:          0x3d5343a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h5066198a3a310864
                               at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/liballoc/boxed.rs:1008
  45:          0x3d5343a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h5ffe825167097689
                               at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/liballoc/boxed.rs:1008
  46:          0x3d5343a - std::sys::unix::thread::Thread::new::thread_start::h838a53c0f0d859ef
                               at src/libstd/sys/unix/thread.rs:87
```