chore: add vendor directory

14 files changed, 1251 insertions, 0 deletions

diff --git a/vendor/dyn-clone/.cargo-checksum.json b/vendor/dyn-clone/.cargo-checksum.json
new file mode 100644
index 00000000..b0f25875
--- /dev/null
+++ b/vendor/dyn-clone/.cargo-checksum.json
@@ -0,0 +1 @@
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new file mode 100644
index 00000000..14964a96
--- /dev/null
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diff --git a/vendor/dyn-clone/Cargo.toml b/vendor/dyn-clone/Cargo.toml
new file mode 100644
index 00000000..d2e75991
--- /dev/null
+++ b/vendor/dyn-clone/Cargo.toml
@@ -0,0 +1,74 @@
+# THIS FILE IS AUTOMATICALLY GENERATED BY CARGO
+#
+# When uploading crates to the registry Cargo will automatically
+# "normalize" Cargo.toml files for maximal compatibility
+# with all versions of Cargo and also rewrite `path` dependencies
+# to registry (e.g., crates.io) dependencies.
+#
+# If you are reading this file be aware that the original Cargo.toml
+# will likely look very different (and much more reasonable).
+# See Cargo.toml.orig for the original contents.
+
+[package]
+edition = "2018"
+rust-version = "1.45"
+name = "dyn-clone"
+version = "1.0.19"
+authors = ["David Tolnay <dtolnay@gmail.com>"]
+build = false
+autolib = false
+autobins = false
+autoexamples = false
+autotests = false
+autobenches = false
+description = "Clone trait that is dyn-compatible"
+documentation = "https://docs.rs/dyn-clone"
+readme = "README.md"
+keywords = [
+    "dyn",
+    "clone",
+    "trait-object",
+    "object-safe",
+]
+categories = [
+    "rust-patterns",
+    "no-std",
+]
+license = "MIT OR Apache-2.0"
+repository = "https://github.com/dtolnay/dyn-clone"
+
+[package.metadata.docs.rs]
+rustdoc-args = [
+    "--generate-link-to-definition",
+    "--extern-html-root-url=core=https://doc.rust-lang.org",
+    "--extern-html-root-url=alloc=https://doc.rust-lang.org",
+    "--extern-html-root-url=std=https://doc.rust-lang.org",
+]
+targets = ["x86_64-unknown-linux-gnu"]
+
+[lib]
+name = "dyn_clone"
+path = "src/lib.rs"
+
+[[example]]
+name = "readme"
+path = "examples/readme.rs"
+
+[[test]]
+name = "compiletest"
+path = "tests/compiletest.rs"
+
+[[test]]
+name = "macros"
+path = "tests/macros.rs"
+
+[[test]]
+name = "trait"
+path = "tests/trait.rs"
+
+[dev-dependencies.rustversion]
+version = "1.0"
+
+[dev-dependencies.trybuild]
+version = "1.0.66"
+features = ["diff"]
diff --git a/vendor/dyn-clone/LICENSE-APACHE b/vendor/dyn-clone/LICENSE-APACHE
new file mode 100644
index 00000000..1b5ec8b7
--- /dev/null
+++ b/vendor/dyn-clone/LICENSE-APACHE
@@ -0,0 +1,176 @@
+                              Apache License
+                        Version 2.0, January 2004
+                     http://www.apache.org/licenses/
+
+TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+1. Definitions.
+
+   "License" shall mean the terms and conditions for use, reproduction,
+   and distribution as defined by Sections 1 through 9 of this document.
+
+   "Licensor" shall mean the copyright owner or entity authorized by
+   the copyright owner that is granting the License.
+
+   "Legal Entity" shall mean the union of the acting entity and all
+   other entities that control, are controlled by, or are under common
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+   "control" means (i) the power, direct or indirect, to cause the
+   direction or management of such entity, whether by contract or
+   otherwise, or (ii) ownership of fifty percent (50%) or more of the
+   outstanding shares, or (iii) beneficial ownership of such entity.
+
+   "You" (or "Your") shall mean an individual or Legal Entity
+   exercising permissions granted by this License.
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+   "Source" form shall mean the preferred form for making modifications,
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+   implied, including, without limitation, any warranties or conditions
+   of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
+   PARTICULAR PURPOSE. You are solely responsible for determining the
+   appropriateness of using or redistributing the Work and assume any
+   risks associated with Your exercise of permissions under this License.
+
+8. Limitation of Liability. In no event and under no legal theory,
+   whether in tort (including negligence), contract, or otherwise,
+   unless required by applicable law (such as deliberate and grossly
+   negligent acts) or agreed to in writing, shall any Contributor be
+   liable to You for damages, including any direct, indirect, special,
+   incidental, or consequential damages of any character arising as a
+   result of this License or out of the use or inability to use the
+   Work (including but not limited to damages for loss of goodwill,
+   work stoppage, computer failure or malfunction, or any and all
+   other commercial damages or losses), even if such Contributor
+   has been advised of the possibility of such damages.
+
+9. Accepting Warranty or Additional Liability. While redistributing
+   the Work or Derivative Works thereof, You may choose to offer,
+   and charge a fee for, acceptance of support, warranty, indemnity,
+   or other liability obligations and/or rights consistent with this
+   License. However, in accepting such obligations, You may act only
+   on Your own behalf and on Your sole responsibility, not on behalf
+   of any other Contributor, and only if You agree to indemnify,
+   defend, and hold each Contributor harmless for any liability
+   incurred by, or claims asserted against, such Contributor by reason
+   of your accepting any such warranty or additional liability.
+
+END OF TERMS AND CONDITIONS
diff --git a/vendor/dyn-clone/LICENSE-MIT b/vendor/dyn-clone/LICENSE-MIT
new file mode 100644
index 00000000..31aa7938
--- /dev/null
+++ b/vendor/dyn-clone/LICENSE-MIT
@@ -0,0 +1,23 @@
+Permission is hereby granted, free of charge, to any
+person obtaining a copy of this software and associated
+documentation files (the "Software"), to deal in the
+Software without restriction, including without
+limitation the rights to use, copy, modify, merge,
+publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software
+is furnished to do so, subject to the following
+conditions:
+
+The above copyright notice and this permission notice
+shall be included in all copies or substantial portions
+of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF
+ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
+TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
+PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
+SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
+IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+DEALINGS IN THE SOFTWARE.
diff --git a/vendor/dyn-clone/README.md b/vendor/dyn-clone/README.md
new file mode 100644
index 00000000..780c4f75
--- /dev/null
+++ b/vendor/dyn-clone/README.md
@@ -0,0 +1,89 @@
+Clone trait that is dyn-compatible
+==================================
+
+[<img alt="github" src="https://img.shields.io/badge/github-dtolnay/dyn--clone-8da0cb?style=for-the-badge&labelColor=555555&logo=github" height="20">](https://github.com/dtolnay/dyn-clone)
+[<img alt="crates.io" src="https://img.shields.io/crates/v/dyn-clone.svg?style=for-the-badge&color=fc8d62&logo=rust" height="20">](https://crates.io/crates/dyn-clone)
+[<img alt="docs.rs" src="https://img.shields.io/badge/docs.rs-dyn--clone-66c2a5?style=for-the-badge&labelColor=555555&logo=docs.rs" height="20">](https://docs.rs/dyn-clone)
+[<img alt="build status" src="https://img.shields.io/github/actions/workflow/status/dtolnay/dyn-clone/ci.yml?branch=master&style=for-the-badge" height="20">](https://github.com/dtolnay/dyn-clone/actions?query=branch%3Amaster)
+
+This crate provides a `DynClone` trait that can be used in trait objects, and a
+`clone_box` function that can clone any sized or dynamically sized
+implementation of `DynClone`. Types that implement the standard library's
+[`std::clone::Clone`] trait are automatically usable by a `DynClone` trait
+object.
+
+[`std::clone::Clone`]: https://doc.rust-lang.org/std/clone/trait.Clone.html
+
+The signature of `clone_box` is:
+
+```rust
+fn clone_box<T>(t: &T) -> Box<T>
+where
+    T: ?Sized + DynClone
+```
+
+## Example
+
+```rust
+use dyn_clone::DynClone;
+
+trait MyTrait: DynClone {
+    fn recite(&self);
+}
+
+impl MyTrait for String {
+    fn recite(&self) {
+        println!("{} ♫", self);
+    }
+}
+
+fn main() {
+    let line = "The slithy structs did gyre and gimble the namespace";
+
+    // Build a trait object holding a String.
+    // This requires String to implement MyTrait and std::clone::Clone.
+    let x: Box<dyn MyTrait> = Box::new(String::from(line));
+
+    x.recite();
+
+    // The type of x2 is a Box<dyn MyTrait> cloned from x.
+    let x2 = dyn_clone::clone_box(&*x);
+
+    x2.recite();
+}
+```
+
+This crate includes a macro for generating the implementation `impl
+std::clone::Clone for Box<dyn MyTrait>` in terms of `dyn_clone::clone_box`:
+
+```rust
+// As before.
+trait MyTrait: DynClone {
+    /* ... */
+}
+
+dyn_clone::clone_trait_object!(MyTrait);
+
+// Now data structures containing Box<dyn MyTrait> can derive Clone:
+#[derive(Clone)]
+struct Container {
+    trait_object: Box<dyn MyTrait>,
+}
+```
+
+<br>
+
+#### License
+
+<sup>
+Licensed under either of <a href="LICENSE-APACHE">Apache License, Version
+2.0</a> or <a href="LICENSE-MIT">MIT license</a> at your option.
+</sup>
+
+<br>
+
+<sub>
+Unless you explicitly state otherwise, any contribution intentionally submitted
+for inclusion in this crate by you, as defined in the Apache-2.0 license, shall
+be dual licensed as above, without any additional terms or conditions.
+</sub>
diff --git a/vendor/dyn-clone/examples/readme.rs b/vendor/dyn-clone/examples/readme.rs
new file mode 100644
index 00000000..41682cd1
--- /dev/null
+++ b/vendor/dyn-clone/examples/readme.rs
@@ -0,0 +1,26 @@
+use dyn_clone::DynClone;
+
+trait MyTrait: DynClone {
+    fn recite(&self);
+}
+
+impl MyTrait for String {
+    fn recite(&self) {
+        println!("{} ♫", self);
+    }
+}
+
+fn main() {
+    let line = "The slithy structs did gyre and gimble the namespace";
+
+    // Build a trait object holding a String.
+    // This requires String to implement MyTrait and std::clone::Clone.
+    let x: Box<dyn MyTrait> = Box::new(String::from(line));
+
+    x.recite();
+
+    // The type of x2 is a Box<dyn MyTrait> cloned from x.
+    let x2 = dyn_clone::clone_box(&*x);
+
+    x2.recite();
+}
diff --git a/vendor/dyn-clone/src/lib.rs b/vendor/dyn-clone/src/lib.rs
new file mode 100644
index 00000000..e35e1089
--- /dev/null
+++ b/vendor/dyn-clone/src/lib.rs
@@ -0,0 +1,215 @@
+//! [![github]](https://github.com/dtolnay/dyn-clone)&ensp;[![crates-io]](https://crates.io/crates/dyn-clone)&ensp;[![docs-rs]](https://docs.rs/dyn-clone)
+//!
+//! [github]: https://img.shields.io/badge/github-8da0cb?style=for-the-badge&labelColor=555555&logo=github
+//! [crates-io]: https://img.shields.io/badge/crates.io-fc8d62?style=for-the-badge&labelColor=555555&logo=rust
+//! [docs-rs]: https://img.shields.io/badge/docs.rs-66c2a5?style=for-the-badge&labelColor=555555&logo=docs.rs
+//!
+//! <br>
+//!
+//! This crate provides a [`DynClone`] trait that can be used in trait objects,
+//! and a [`clone_box`] function that can clone any sized or dynamically sized
+//! implementation of `DynClone`. Types that implement the standard library's
+//! [`std::clone::Clone`] trait are automatically usable by a `DynClone` trait
+//! object.
+//!
+//! # Example
+//!
+//! ```
+//! use dyn_clone::DynClone;
+//!
+//! trait MyTrait: DynClone {
+//!     fn recite(&self);
+//! }
+//!
+//! impl MyTrait for String {
+//!     fn recite(&self) {
+//!         println!("{} ♫", self);
+//!     }
+//! }
+//!
+//! fn main() {
+//!     let line = "The slithy structs did gyre and gimble the namespace";
+//!
+//!     // Build a trait object holding a String.
+//!     // This requires String to implement MyTrait and std::clone::Clone.
+//!     let x: Box<dyn MyTrait> = Box::new(String::from(line));
+//!
+//!     x.recite();
+//!
+//!     // The type of x2 is a Box<dyn MyTrait> cloned from x.
+//!     let x2 = dyn_clone::clone_box(&*x);
+//!
+//!     x2.recite();
+//! }
+//! ```
+//!
+//! This crate includes a macro for concisely implementing `impl
+//! std::clone::Clone for Box<dyn MyTrait>` in terms of `dyn_clone::clone_box`.
+//!
+//! ```
+//! # use dyn_clone::DynClone;
+//! #
+//! // As before.
+//! trait MyTrait: DynClone {
+//!     /* ... */
+//! }
+//!
+//! dyn_clone::clone_trait_object!(MyTrait);
+//!
+//! // Now data structures containing Box<dyn MyTrait> can derive Clone:
+//! #[derive(Clone)]
+//! struct Container {
+//!     trait_object: Box<dyn MyTrait>,
+//! }
+//! ```
+//!
+//! The `clone_trait_object!` macro expands to just the following, which you can
+//! handwrite instead if you prefer:
+//!
+//! ```
+//! # use dyn_clone::DynClone;
+//! #
+//! # trait MyTrait: DynClone {}
+//! #
+//! impl Clone for Box<dyn MyTrait> {
+//!     fn clone(&self) -> Self {
+//!         dyn_clone::clone_box(&**self)
+//!     }
+//! }
+//!
+//! // and similar for Box<dyn MyTrait + Send>, Box<dyn MyTrait + Sync>, Box<dyn MyTrait + Send + Sync>
+//! ```
+
+#![doc(html_root_url = "https://docs.rs/dyn-clone/1.0.19")]
+#![no_std]
+#![allow(
+    clippy::missing_panics_doc,
+    clippy::needless_doctest_main,
+    clippy::ptr_as_ptr
+)]
+
+extern crate alloc;
+
+#[cfg(doc)]
+extern crate core as std;
+
+#[macro_use]
+mod macros;
+
+// Not public API.
+#[doc(hidden)]
+pub mod __private {
+    #[doc(hidden)]
+    pub use core::clone::Clone;
+    #[doc(hidden)]
+    pub use core::marker::{Send, Sync};
+
+    #[doc(hidden)]
+    pub type Box<T> = alloc::boxed::Box<T>;
+}
+
+mod sealed {
+    pub trait Sealed {}
+    impl<T: Clone> Sealed for T {}
+    impl Sealed for str {}
+    impl<T: Clone> Sealed for [T] {}
+    pub struct Private;
+}
+
+use crate::sealed::{Private, Sealed};
+use alloc::boxed::Box;
+use alloc::rc::Rc;
+use alloc::sync::Arc;
+
+/// This trait is implemented by any type that implements [`std::clone::Clone`].
+pub trait DynClone: Sealed {
+    // Not public API
+    #[doc(hidden)]
+    fn __clone_box(&self, _: Private) -> *mut ();
+}
+
+/// `&T`&ensp;&mdash;&blacktriangleright;&ensp;`T`
+pub fn clone<T>(t: &T) -> T
+where
+    T: DynClone,
+{
+    unsafe { *Box::from_raw(<T as DynClone>::__clone_box(t, Private) as *mut T) }
+}
+
+/// `&T`&ensp;&mdash;&blacktriangleright;&ensp;`Box<T>`
+pub fn clone_box<T>(t: &T) -> Box<T>
+where
+    T: ?Sized + DynClone,
+{
+    let mut fat_ptr = t as *const T;
+    unsafe {
+        let data_ptr = &mut fat_ptr as *mut *const T as *mut *mut ();
+        assert_eq!(*data_ptr as *const (), t as *const T as *const ());
+        *data_ptr = <T as DynClone>::__clone_box(t, Private);
+    }
+    unsafe { Box::from_raw(fat_ptr as *mut T) }
+}
+
+/// `&mut Arc<T>`&ensp;&mdash;&blacktriangleright;&ensp;`&mut T`
+pub fn arc_make_mut<T>(arc: &mut Arc<T>) -> &mut T
+where
+    T: ?Sized + DynClone,
+{
+    // Atomic. Find out whether the Arc in the argument is the single holder of
+    // a reference count (strong or weak) on the target object. If yes, it is
+    // guaranteed to remain that way throughout the rest of this function
+    // because no other threads could bump the reference count through any other
+    // Arc (because no others exist) or through this Arc (because the current
+    // thread holds an exclusive borrow of it).
+    let is_unique = Arc::get_mut(arc).is_some();
+    if !is_unique {
+        // Non-atomic.
+        let clone = Arc::from(clone_box(&**arc));
+        // Atomic. Check the reference counts again to find out whether the old
+        // object needs to be dropped. Probably not, but it can happen if all
+        // the other holders of a reference count went away during the time that
+        // the clone operation took.
+        *arc = clone;
+    }
+    // Non-atomic. TODO: replace with Arc::get_mut_unchecked when stable.
+    let ptr = Arc::as_ptr(arc) as *mut T;
+    unsafe { &mut *ptr }
+}
+
+/// `&mut Rc<T>`&ensp;&mdash;&blacktriangleright;&ensp;`&mut T`
+pub fn rc_make_mut<T>(rc: &mut Rc<T>) -> &mut T
+where
+    T: ?Sized + DynClone,
+{
+    let is_unique = Rc::get_mut(rc).is_some();
+    if !is_unique {
+        let clone = Rc::from(clone_box(&**rc));
+        *rc = clone;
+    }
+    let ptr = Rc::as_ptr(rc) as *mut T;
+    unsafe { &mut *ptr }
+}
+
+impl<T> DynClone for T
+where
+    T: Clone,
+{
+    fn __clone_box(&self, _: Private) -> *mut () {
+        Box::<T>::into_raw(Box::new(self.clone())) as *mut ()
+    }
+}
+
+impl DynClone for str {
+    fn __clone_box(&self, _: Private) -> *mut () {
+        Box::<str>::into_raw(Box::from(self)) as *mut ()
+    }
+}
+
+impl<T> DynClone for [T]
+where
+    T: Clone,
+{
+    fn __clone_box(&self, _: Private) -> *mut () {
+        Box::<[T]>::into_raw(self.iter().cloned().collect()) as *mut ()
+    }
+}
diff --git a/vendor/dyn-clone/src/macros.rs b/vendor/dyn-clone/src/macros.rs
new file mode 100644
index 00000000..b4c09606
--- /dev/null
+++ b/vendor/dyn-clone/src/macros.rs
@@ -0,0 +1,121 @@
+use crate::DynClone;
+
+/// Implement the standard library `Clone` for a trait object that has
+/// `DynClone` as a supertrait.
+///
+/// ```
+/// use dyn_clone::DynClone;
+///
+/// trait MyTrait: DynClone {
+///     /* ... */
+/// }
+///
+/// dyn_clone::clone_trait_object!(MyTrait);
+///
+/// // Now data structures containing Box<dyn MyTrait> can derive Clone.
+/// #[derive(Clone)]
+/// struct Container {
+///     trait_object: Box<dyn MyTrait>,
+/// }
+/// ```
+///
+/// The macro supports traits that have type parameters and/or `where` clauses.
+///
+/// ```
+/// use dyn_clone::DynClone;
+/// use std::io::Read;
+///
+/// trait Difficult<R>: DynClone where R: Read {
+///     /* ... */
+/// }
+///
+/// dyn_clone::clone_trait_object!(<R> Difficult<R> where R: Read);
+/// ```
+#[macro_export]
+macro_rules! clone_trait_object {
+    ($($path:tt)+) => {
+        $crate::__internal_clone_trait_object!(begin $($path)+);
+    };
+}
+
+#[doc(hidden)]
+#[macro_export]
+macro_rules! __internal_clone_trait_object {
+    // Invocation started with `<`, parse generics.
+    (begin < $($rest:tt)*) => {
+        $crate::__internal_clone_trait_object!(generics () () $($rest)*);
+    };
+
+    // Invocation did not start with `<`.
+    (begin $first:tt $($rest:tt)*) => {
+        $crate::__internal_clone_trait_object!(path () ($first) $($rest)*);
+    };
+
+    // End of generics.
+    (generics ($($generics:tt)*) () > $($rest:tt)*) => {
+        $crate::__internal_clone_trait_object!(path ($($generics)*) () $($rest)*);
+    };
+
+    // Generics open bracket.
+    (generics ($($generics:tt)*) ($($brackets:tt)*) < $($rest:tt)*) => {
+        $crate::__internal_clone_trait_object!(generics ($($generics)* <) ($($brackets)* <) $($rest)*);
+    };
+
+    // Generics close bracket.
+    (generics ($($generics:tt)*) (< $($brackets:tt)*) > $($rest:tt)*) => {
+        $crate::__internal_clone_trait_object!(generics ($($generics)* >) ($($brackets)*) $($rest)*);
+    };
+
+    // Token inside of generics.
+    (generics ($($generics:tt)*) ($($brackets:tt)*) $first:tt $($rest:tt)*) => {
+        $crate::__internal_clone_trait_object!(generics ($($generics)* $first) ($($brackets)*) $($rest)*);
+    };
+
+    // End with `where` clause.
+    (path ($($generics:tt)*) ($($path:tt)*) where $($rest:tt)*) => {
+        $crate::__internal_clone_trait_object!(impl ($($generics)*) ($($path)*) ($($rest)*));
+    };
+
+    // End without `where` clause.
+    (path ($($generics:tt)*) ($($path:tt)*)) => {
+        $crate::__internal_clone_trait_object!(impl ($($generics)*) ($($path)*) ());
+    };
+
+    // Token inside of path.
+    (path ($($generics:tt)*) ($($path:tt)*) $first:tt $($rest:tt)*) => {
+        $crate::__internal_clone_trait_object!(path ($($generics)*) ($($path)* $first) $($rest)*);
+    };
+
+    // The impl.
+    (impl ($($generics:tt)*) ($($path:tt)*) ($($bound:tt)*)) => {
+        #[allow(unknown_lints, non_local_definitions)] // false positive: https://github.com/rust-lang/rust/issues/121621
+        impl<'clone, $($generics)*> $crate::__private::Clone for $crate::__private::Box<dyn $($path)* + 'clone> where $($bound)* {
+            fn clone(&self) -> Self {
+                $crate::clone_box(&**self)
+            }
+        }
+
+        #[allow(unknown_lints, non_local_definitions)]
+        impl<'clone, $($generics)*> $crate::__private::Clone for $crate::__private::Box<dyn $($path)* + $crate::__private::Send + 'clone> where $($bound)* {
+            fn clone(&self) -> Self {
+                $crate::clone_box(&**self)
+            }
+        }
+
+        #[allow(unknown_lints, non_local_definitions)]
+        impl<'clone, $($generics)*> $crate::__private::Clone for $crate::__private::Box<dyn $($path)* + $crate::__private::Sync + 'clone> where $($bound)* {
+            fn clone(&self) -> Self {
+                $crate::clone_box(&**self)
+            }
+        }
+
+        #[allow(unknown_lints, non_local_definitions)]
+        impl<'clone, $($generics)*> $crate::__private::Clone for $crate::__private::Box<dyn $($path)* + $crate::__private::Send + $crate::__private::Sync + 'clone> where $($bound)* {
+            fn clone(&self) -> Self {
+                $crate::clone_box(&**self)
+            }
+        }
+    };
+}
+
+clone_trait_object!(DynClone);
diff --git a/vendor/dyn-clone/tests/compiletest.rs b/vendor/dyn-clone/tests/compiletest.rs
new file mode 100644
index 00000000..23a6a065
--- /dev/null
+++ b/vendor/dyn-clone/tests/compiletest.rs
@@ -0,0 +1,7 @@
+#[rustversion::attr(not(nightly), ignore = "requires nightly")]
+#[cfg_attr(miri, ignore = "incompatible with miri")]
+#[test]
+fn ui() {
+    let t = trybuild::TestCases::new();
+    t.compile_fail("tests/ui/*.rs");
+}
diff --git a/vendor/dyn-clone/tests/macros.rs b/vendor/dyn-clone/tests/macros.rs
new file mode 100644
index 00000000..3b585cec
--- /dev/null
+++ b/vendor/dyn-clone/tests/macros.rs
@@ -0,0 +1,57 @@
+#![allow(clippy::extra_unused_type_parameters)]
+
+use dyn_clone::{clone_trait_object, DynClone};
+
+fn assert_clone<T: Clone>() {}
+
+#[test]
+fn test_plain() {
+    trait Trait: DynClone {}
+
+    clone_trait_object!(Trait);
+
+    assert_clone::<Box<dyn Trait>>();
+    assert_clone::<Box<dyn Trait + Send>>();
+    assert_clone::<Box<dyn Trait + Sync>>();
+    assert_clone::<Box<dyn Trait + Send + Sync>>();
+}
+
+#[test]
+fn test_type_parameter() {
+    trait Trait<T>: DynClone {}
+
+    clone_trait_object!(<T> Trait<T>);
+
+    assert_clone::<Box<dyn Trait<u32>>>();
+}
+
+#[test]
+fn test_generic_bound() {
+    trait Trait<T: PartialEq<T>, U>: DynClone {}
+
+    clone_trait_object!(<T: PartialEq<T>, U> Trait<T, U>);
+
+    assert_clone::<Box<dyn Trait<u32, ()>>>();
+}
+
+#[test]
+fn test_where_clause() {
+    trait Trait<T>: DynClone
+    where
+        T: Clone,
+    {
+    }
+
+    clone_trait_object!(<T> Trait<T> where T: Clone);
+
+    assert_clone::<Box<dyn Trait<u32>>>();
+}
+
+#[test]
+fn test_lifetime() {
+    trait Trait<'a>: DynClone {}
+
+    clone_trait_object!(<'a> Trait<'a>);
+
+    assert_clone::<Box<dyn Trait>>();
+}
diff --git a/vendor/dyn-clone/tests/trait.rs b/vendor/dyn-clone/tests/trait.rs
new file mode 100644
index 00000000..e155f045
--- /dev/null
+++ b/vendor/dyn-clone/tests/trait.rs
@@ -0,0 +1,65 @@
+use dyn_clone::DynClone;
+use std::fmt::{self, Display};
+use std::sync::{Arc, Mutex};
+
+struct Log {
+    id: u64,
+    events: Arc<Mutex<Vec<String>>>,
+}
+
+impl Clone for Log {
+    fn clone(&self) -> Self {
+        Log {
+            id: self.id + 1,
+            events: self.events.clone(),
+        }
+    }
+}
+
+impl Display for Log {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        write!(formatter, "id={}", self.id)
+    }
+}
+
+impl Drop for Log {
+    fn drop(&mut self) {
+        self.events
+            .lock()
+            .unwrap()
+            .push(format!("dropping {}", self));
+    }
+}
+
+#[test]
+fn clone_sized() {
+    let arc = Arc::new(0);
+    assert_eq!(Arc::strong_count(&arc), 1);
+
+    let c = dyn_clone::clone(&arc);
+    assert_eq!(Arc::strong_count(&arc), 2);
+    drop(c);
+    assert_eq!(Arc::strong_count(&arc), 1);
+}
+
+#[test]
+fn clone_trait_object() {
+    trait MyTrait: Display + Sync + DynClone {}
+
+    impl MyTrait for Log {}
+
+    let events = Arc::new(Mutex::new(Vec::new()));
+    let mut expected = Vec::new();
+    {
+        let b11: Box<dyn MyTrait> = Box::new(Log {
+            id: 11,
+            events: events.clone(),
+        });
+        let b12 = dyn_clone::clone_box(&*b11);
+        assert_eq!(b11.to_string(), "id=11");
+        assert_eq!(b12.to_string(), "id=12");
+        expected.push("dropping id=12".to_owned());
+        expected.push("dropping id=11".to_owned());
+    }
+    assert_eq!(*events.lock().unwrap(), expected);
+}
diff --git a/vendor/dyn-clone/tests/ui/missing-supertrait.rs b/vendor/dyn-clone/tests/ui/missing-supertrait.rs
new file mode 100644
index 00000000..db61b3f3
--- /dev/null
+++ b/vendor/dyn-clone/tests/ui/missing-supertrait.rs
@@ -0,0 +1,5 @@
+pub trait MyTrait {}
+
+dyn_clone::clone_trait_object!(MyTrait);
+
+fn main() {}
diff --git a/vendor/dyn-clone/tests/ui/missing-supertrait.stderr b/vendor/dyn-clone/tests/ui/missing-supertrait.stderr
new file mode 100644
index 00000000..593d4923
--- /dev/null
+++ b/vendor/dyn-clone/tests/ui/missing-supertrait.stderr
@@ -0,0 +1,91 @@
+error[E0277]: the trait bound `dyn MyTrait: DynClone` is not satisfied
+ --> tests/ui/missing-supertrait.rs:3:1
+  |
+3 | dyn_clone::clone_trait_object!(MyTrait);
+  | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+  | |
+  | the trait `Clone` is not implemented for `dyn MyTrait`
+  | required by a bound introduced by this call
+  |
+  = help: the following other types implement trait `DynClone`:
+            [T]
+            str
+  = note: required for `dyn MyTrait` to implement `DynClone`
+note: required by a bound in `clone_box`
+ --> src/lib.rs
+  |
+  | pub fn clone_box<T>(t: &T) -> Box<T>
+  |        --------- required by a bound in this function
+  | where
+  |     T: ?Sized + DynClone,
+  |                 ^^^^^^^^ required by this bound in `clone_box`
+  = note: this error originates in the macro `$crate::__internal_clone_trait_object` which comes from the expansion of the macro `dyn_clone::clone_trait_object` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error[E0277]: the trait bound `dyn MyTrait + Send: DynClone` is not satisfied
+ --> tests/ui/missing-supertrait.rs:3:1
+  |
+3 | dyn_clone::clone_trait_object!(MyTrait);
+  | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+  | |
+  | the trait `Clone` is not implemented for `dyn MyTrait + Send`
+  | required by a bound introduced by this call
+  |
+  = help: the following other types implement trait `DynClone`:
+            [T]
+            str
+  = note: required for `dyn MyTrait + Send` to implement `DynClone`
+note: required by a bound in `clone_box`
+ --> src/lib.rs
+  |
+  | pub fn clone_box<T>(t: &T) -> Box<T>
+  |        --------- required by a bound in this function
+  | where
+  |     T: ?Sized + DynClone,
+  |                 ^^^^^^^^ required by this bound in `clone_box`
+  = note: this error originates in the macro `$crate::__internal_clone_trait_object` which comes from the expansion of the macro `dyn_clone::clone_trait_object` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error[E0277]: the trait bound `dyn MyTrait + Sync: DynClone` is not satisfied
+ --> tests/ui/missing-supertrait.rs:3:1
+  |
+3 | dyn_clone::clone_trait_object!(MyTrait);
+  | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+  | |
+  | the trait `Clone` is not implemented for `dyn MyTrait + Sync`
+  | required by a bound introduced by this call
+  |
+  = help: the following other types implement trait `DynClone`:
+            [T]
+            str
+  = note: required for `dyn MyTrait + Sync` to implement `DynClone`
+note: required by a bound in `clone_box`
+ --> src/lib.rs
+  |
+  | pub fn clone_box<T>(t: &T) -> Box<T>
+  |        --------- required by a bound in this function
+  | where
+  |     T: ?Sized + DynClone,
+  |                 ^^^^^^^^ required by this bound in `clone_box`
+  = note: this error originates in the macro `$crate::__internal_clone_trait_object` which comes from the expansion of the macro `dyn_clone::clone_trait_object` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error[E0277]: the trait bound `dyn MyTrait + Send + Sync: DynClone` is not satisfied
+ --> tests/ui/missing-supertrait.rs:3:1
+  |
+3 | dyn_clone::clone_trait_object!(MyTrait);
+  | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+  | |
+  | the trait `Clone` is not implemented for `dyn MyTrait + Send + Sync`
+  | required by a bound introduced by this call
+  |
+  = help: the following other types implement trait `DynClone`:
+            [T]
+            str
+  = note: required for `dyn MyTrait + Send + Sync` to implement `DynClone`
+note: required by a bound in `clone_box`
+ --> src/lib.rs
+  |
+  | pub fn clone_box<T>(t: &T) -> Box<T>
+  |        --------- required by a bound in this function
+  | where
+  |     T: ?Sized + DynClone,
+  |                 ^^^^^^^^ required by this bound in `clone_box`
+  = note: this error originates in the macro `$crate::__internal_clone_trait_object` which comes from the expansion of the macro `dyn_clone::clone_trait_object` (in Nightly builds, run with -Z macro-backtrace for more info)