Vendor dependenciesvendor

Just testing how CI works with this. I tend to prefer vendoring, as it
means that if you have a copy of the code *you can always build it*.
Even if you're 20 years in the future

This is the output of

```
cargo vendor --versioned-dirs
```

38 files changed, 4759 insertions, 0 deletions

diff --git a/vendor/eyre-0.6.5/.cargo-checksum.json b/vendor/eyre-0.6.5/.cargo-checksum.json
new file mode 100644
index 00000000..cd306ff2
--- /dev/null
+++ b/vendor/eyre-0.6.5/.cargo-checksum.json
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diff --git a/vendor/eyre-0.6.5/CHANGELOG.md b/vendor/eyre-0.6.5/CHANGELOG.md
new file mode 100644
index 00000000..16c3f1a4
--- /dev/null
+++ b/vendor/eyre-0.6.5/CHANGELOG.md
@@ -0,0 +1,38 @@
+# Changelog
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+<!-- next-header -->
+
+## [Unreleased] - ReleaseDate
+
+## [0.6.5] - 2021-01-05
+### Added
+- add optional support for converting into `pyo3` exceptions
+
+## [0.6.4] - 2021-01-04
+### Fixed
+- added missing track_caller annotations to `wrap_err` related trait methods
+
+## [0.6.3] - 2020-11-10
+### Fixed
+- added missing track_caller annotation to autoref specialization functions
+
+## [0.6.2] - 2020-10-27
+### Fixed
+- added missing track_caller annotation to new_adhoc function
+
+## [0.6.1] - 2020-09-28
+### Added
+- support track_caller on rust versions where it is available
+
+
+<!-- next-url -->
+[Unreleased]: https://github.com/yaahc/eyre/compare/v0.6.5...HEAD
+[0.6.5]: https://github.com/yaahc/eyre/compare/v0.6.4...v0.6.5
+[0.6.4]: https://github.com/yaahc/eyre/compare/v0.6.3...v0.6.4
+[0.6.3]: https://github.com/yaahc/eyre/compare/v0.6.2...v0.6.3
+[0.6.2]: https://github.com/yaahc/eyre/compare/v0.6.1...v0.6.2
+[0.6.1]: https://github.com/yaahc/eyre/releases/tag/v0.6.1
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new file mode 100644
index 00000000..fee4d59e
--- /dev/null
+++ b/vendor/eyre-0.6.5/Cargo.lock
@@ -0,0 +1,459 @@
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new file mode 100644
index 00000000..899f10d9
--- /dev/null
+++ b/vendor/eyre-0.6.5/Cargo.toml
@@ -0,0 +1,96 @@
+# 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 believe there's an error in this file please file an
+# issue against the rust-lang/cargo repository. If you're
+# editing this file be aware that the upstream Cargo.toml
+# will likely look very different (and much more reasonable)
+
+[package]
+edition = "2018"
+name = "eyre"
+version = "0.6.5"
+authors = ["David Tolnay <dtolnay@gmail.com>", "Jane Lusby <jlusby42@gmail.com>"]
+description = "Flexible concrete Error Reporting type built on std::error::Error with customizable Reports"
+documentation = "https://docs.rs/eyre"
+readme = "README.md"
+categories = ["rust-patterns"]
+license = "MIT OR Apache-2.0"
+repository = "https://github.com/yaahc/eyre"
+[package.metadata.docs.rs]
+rustdoc-args = ["--cfg", "doc_cfg"]
+targets = ["x86_64-unknown-linux-gnu"]
+
+[package.metadata.release]
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+
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+
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diff --git a/vendor/eyre-0.6.5/LICENSE-APACHE b/vendor/eyre-0.6.5/LICENSE-APACHE
new file mode 100644
index 00000000..16fe87b0
--- /dev/null
+++ b/vendor/eyre-0.6.5/LICENSE-APACHE
@@ -0,0 +1,201 @@
+                              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
+   control with that entity. For the purposes of this definition,
+   "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.
+
+   "Source" form shall mean the preferred form for making modifications,
+   including but not limited to software source code, documentation
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+
+   "Object" form shall mean any form resulting from mechanical
+   transformation or translation of a Source form, including but
+   not limited to compiled object code, generated documentation,
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+
+   "Work" shall mean the work of authorship, whether in Source or
+   Object form, made available under the License, as indicated by a
+   copyright notice that is included in or attached to the work
+   (an example is provided in the Appendix below).
+
+   "Derivative Works" shall mean any work, whether in Source or Object
+   form, that is based on (or derived from) the Work and for which the
+   editorial revisions, annotations, elaborations, or other modifications
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+   of this License, Derivative Works shall not include works that remain
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+2. Grant of Copyright License. Subject to the terms and conditions of
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