miri test failure

[Kogia-sima]

Bug report

Description

I've tested this crate with miri and faced the following error.

     Running target/x86_64-unknown-linux-gnu/debug/deps/test-cd7afc96213a7352

running 19 tests
test entries_insert ... ok
test test_borrow ... error: Undefined Behavior: type validation failed: encountered uninitialized reference
   --> /home/kogia-sima/PG/Rust/3rdparty/linked-hash-map/src/lib.rs:114:21
    |
114 |     let Node { key, value, .. } = *Box::from_raw(the_box);
    |                     ^^^^^ type validation failed: encountered uninitialized reference
    |
    = help: this indicates a bug in the program: it performed an invalid operation, and caused Undefined Behavior
    = help: see https://doc.rust-lang.org/nightly/reference/behavior-considered-undefined.html for further information

    = note: inside `linked_hash_map::drop_empty_node::<test_borrow::Foo, &str>` at /home/kogia-sima/PG/Rust/3rdparty/linked-hash-map/src/lib.rs:114:21
    = note: inside `<linked_hash_map::LinkedHashMap<test_borrow::Foo, &str> as std::ops::Drop>::drop` at /home/kogia-sima/PG/Rust/3rdparty/linked-hash-map/src/lib.rs:809:17
    = note: inside `std::intrinsics::drop_in_place::<linked_hash_map::LinkedHashMap<test_borrow::Foo, &str>> - shim(Some(linked_hash_map::LinkedHashMap<test_borrow::Foo, &str>))` at /home/kogia-sima/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:179:1
note: inside `test_borrow` at tests/test.rs:414:1
   --> tests/test.rs:414:1
    |
414 | }
    | ^
note: inside closure at tests/test.rs:373:1
   --> tests/test.rs:373:1
    |
373 | / fn test_borrow() {
374 | |     #[derive(PartialEq, Eq, Hash)] struct Foo(Bar);
375 | |     #[derive(PartialEq, Eq, Hash)] struct Bar(i32);
376 | |
...   |
413 | |     assert_eq!(map.remove(&Foo(Bar(2))), None);
414 | | }
    | |_^
    = note: inside `<[closure@tests/test.rs:373:1: 414:2] as std::ops::FnOnce<()>>::call_once - shim` at /home/kogia-sima/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ops/function.rs:227:5
    = note: inside `<fn() as std::ops::FnOnce<()>>::call_once - shim(fn())` at /home/kogia-sima/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ops/function.rs:227:5
    = note: inside `test::__rust_begin_short_backtrace::<fn()>` at /home/kogia-sima/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/test/src/lib.rs:516:5
    = note: inside closure at /home/kogia-sima/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/test/src/lib.rs:507:30
    = note: inside `<[closure@test::run_test::{closure#2}] as std::ops::FnOnce<()>>::call_once - shim(vtable)` at /home/kogia-sima/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ops/function.rs:227:5
    = note: inside `<std::boxed::Box<dyn std::ops::FnOnce() + std::marker::Send> as std::ops::FnOnce<()>>::call_once` at /home/kogia-sima/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/alloc/src/boxed.rs:1328:9
    = note: inside `<std::panic::AssertUnwindSafe<std::boxed::Box<dyn std::ops::FnOnce() + std::marker::Send>> as std::ops::FnOnce<()>>::call_once` at /home/kogia-sima/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/panic.rs:322:9
    = note: inside `std::panicking::try::do_call::<std::panic::AssertUnwindSafe<std::boxed::Box<dyn std::ops::FnOnce() + std::marker::Send>>, ()>` at /home/kogia-sima/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/panicking.rs:379:40
    = note: inside `std::panicking::try::<(), std::panic::AssertUnwindSafe<std::boxed::Box<dyn std::ops::FnOnce() + std::marker::Send>>>` at /home/kogia-sima/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/panicking.rs:343:19
    = note: inside `std::panic::catch_unwind::<std::panic::AssertUnwindSafe<std::boxed::Box<dyn std::ops::FnOnce() + std::marker::Send>>, ()>` at /home/kogia-sima/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/panic.rs:396:14
    = note: inside `test::run_test_in_process` at /home/kogia-sima/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/test/src/lib.rs:538:18
    = note: inside closure at /home/kogia-sima/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/test/src/lib.rs:449:39
    = note: inside `test::run_test::run_test_inner` at /home/kogia-sima/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/test/src/lib.rs:474:13
    = note: inside `test::run_test` at /home/kogia-sima/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/test/src/lib.rs:504:28
    = note: inside `test::run_tests::<[closure@test::run_tests_console::{closure#2}]>` at /home/kogia-sima/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/test/src/lib.rs:283:13
    = note: inside `test::run_tests_console` at /home/kogia-sima/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/test/src/console.rs:289:5
    = note: inside `test::test_main` at /home/kogia-sima/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/test/src/lib.rs:121:15
    = note: inside `test::test_main_static` at /home/kogia-sima/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/test/src/lib.rs:140:5
    = note: inside `main`
    = note: inside `<fn() as std::ops::FnOnce<()>>::call_once - shim(fn())` at /home/kogia-sima/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ops/function.rs:227:5
    = note: inside `std::sys_common::backtrace::__rust_begin_short_backtrace::<fn(), ()>` at /home/kogia-sima/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/sys_common/backtrace.rs:125:18
    = note: inside closure at /home/kogia-sima/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/rt.rs:66:18
    = note: inside `std::ops::function::impls::<impl std::ops::FnOnce<()> for &dyn std::ops::Fn() -> i32 + std::marker::Sync + std::panic::RefUnwindSafe>::call_once` at /home/kogia-sima/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ops/function.rs:259:13
    = note: inside `std::panicking::try::do_call::<&dyn std::ops::Fn() -> i32 + std::marker::Sync + std::panic::RefUnwindSafe, i32>` at /home/kogia-sima/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/panicking.rs:379:40
    = note: inside `std::panicking::try::<i32, &dyn std::ops::Fn() -> i32 + std::marker::Sync + std::panic::RefUnwindSafe>` at /home/kogia-sima/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/panicking.rs:343:19
    = note: inside `std::panic::catch_unwind::<&dyn std::ops::Fn() -> i32 + std::marker::Sync + std::panic::RefUnwindSafe, i32>` at /home/kogia-sima/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/panic.rs:396:14
    = note: inside `std::rt::lang_start_internal` at /home/kogia-sima/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/rt.rs:51:25
    = note: inside `std::rt::lang_start::<()>` at /home/kogia-sima/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/rt.rs:65:5
    = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info)

error: aborting due to previous error

error: test failed, to rerun pass '--test test'

Environment

software	version
OS	Lubuntu 20.04.1 LTS
rustc	rustc 1.50.0-nightly (f76ecd066 2020-12-15)
target	x86_64-unknown-linux-gnu
linked-hash-map	0.5.3