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diff --git a/vendor/parking_lot/src/lib.rs b/vendor/parking_lot/src/lib.rs
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+++ b/vendor/parking_lot/src/lib.rs
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+// Copyright 2016 Amanieu d'Antras
+//
+// Licensed under the Apache License, Version 2.0, <LICENSE-APACHE or
+// http://apache.org/licenses/LICENSE-2.0> or the MIT license <LICENSE-MIT or
+// http://opensource.org/licenses/MIT>, at your option. This file may not be
+// copied, modified, or distributed except according to those terms.
+
+//! This library provides implementations of `Mutex`, `RwLock`, `Condvar` and
+//! `Once` that are smaller, faster and more flexible than those in the Rust
+//! standard library. It also provides a `ReentrantMutex` type.
+
+#![warn(missing_docs)]
+#![warn(rust_2018_idioms)]
+
+mod condvar;
+mod elision;
+mod fair_mutex;
+mod mutex;
+mod once;
+mod raw_fair_mutex;
+mod raw_mutex;
+mod raw_rwlock;
+mod remutex;
+mod rwlock;
+mod util;
+
+#[cfg(feature = "deadlock_detection")]
+pub mod deadlock;
+#[cfg(not(feature = "deadlock_detection"))]
+mod deadlock;
+
+// If deadlock detection is enabled, we cannot allow lock guards to be sent to
+// other threads.
+#[cfg(all(feature = "send_guard", feature = "deadlock_detection"))]
+compile_error!("the `send_guard` and `deadlock_detection` features cannot be used together");
+#[cfg(feature = "send_guard")]
+type GuardMarker = lock_api::GuardSend;
+#[cfg(not(feature = "send_guard"))]
+type GuardMarker = lock_api::GuardNoSend;
+
+pub use self::condvar::{Condvar, WaitTimeoutResult};
+pub use self::fair_mutex::{const_fair_mutex, FairMutex, FairMutexGuard, MappedFairMutexGuard};
+pub use self::mutex::{const_mutex, MappedMutexGuard, Mutex, MutexGuard};
+pub use self::once::{Once, OnceState};
+pub use self::raw_fair_mutex::RawFairMutex;
+pub use self::raw_mutex::RawMutex;
+pub use self::raw_rwlock::RawRwLock;
+pub use self::remutex::{
+    const_reentrant_mutex, MappedReentrantMutexGuard, RawThreadId, ReentrantMutex,
+    ReentrantMutexGuard,
+};
+pub use self::rwlock::{
+    const_rwlock, MappedRwLockReadGuard, MappedRwLockWriteGuard, RwLock, RwLockReadGuard,
+    RwLockUpgradableReadGuard, RwLockWriteGuard,
+};
+pub use ::lock_api;