Merging upstream version 1.66.0+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

11 files changed, 216 insertions, 17 deletions

diff --git a/vendor/thiserror/.cargo-checksum.json b/vendor/thiserror/.cargo-checksum.json
index f62a31345..b82148e8f 100644
--- a/vendor/thiserror/.cargo-checksum.json
+++ b/vendor/thiserror/.cargo-checksum.json
@@ -1 +1 @@
-{"files":{"Cargo.toml":"0de812f611be41d9b1962bdcb235479fed9d9d48eed22033fdb0c2cadbb0e602","LICENSE-APACHE":"a60eea817514531668d7e00765731449fe14d059d3249e0bc93b36de45f759f2","LICENSE-MIT":"23f18e03dc49df91622fe2a76176497404e46ced8a715d9d2b67a7446571cca3","README.md":"f774d4cb12047fef7c65a86e00eb7299f9250e0bc1aa445d16f63162ec942551","rust-toolchain.toml":"6bbb61302978c736b2da03e4fb40e3beab908f85d533ab46fd541e637b5f3e0f","src/aserror.rs":"3dd14cfcfe4a0ab8b1dd774e4ea0a0197989afe84e0687e73873b61cfa4347fa","src/display.rs":"63c492bfa8b8e9180ad5abcbe63c1173b4ad490c47ec33cac9a338f96c8f8e42","src/lib.rs":"62b459b2bf9b53647570511189ed4980a0aed10a9f49abec7c34cef53178a6b2","tests/compiletest.rs":"022a8e400ef813d7ea1875b944549cee5125f6a995dc33e93b48cba3e1b57bd1","tests/test_backtrace.rs":"43323a073ca464b16e213869d3f459f07a0f9601f1516ec81371c825fb1ec8f2","tests/test_display.rs":"20fdc8903f06da3a698ef4377cccca26a71138ca6de67310c5bdb8a9fcb39d83","tests/test_error.rs":"d06dca3c38f22d7ce4e27dadd6c0f78e5cefe3a2ebbc5fe44abc9ddd5ee1985f","tests/test_expr.rs":"388402702a3be4ffcd0574d66733e8932bf7d5de37544a00ecb0e4f8d8246da4","tests/test_from.rs":"de1347e62069f826d8616b9e45ce6cccc3a8a8049cb51bd22d6763efe6118b0c","tests/test_generics.rs":"4f33747e3f62550d5af94687679af230ef92fbb3247ae4b41df46792a040e4dc","tests/test_lints.rs":"c17d79d77edfcdd4b8f6dcdcd1c70ad065cfbc747e1a618ac6343315d0b59ea4","tests/test_option.rs":"3a82af1ad206444b9955e3f2fda508d70f887ad0b7f7986bafc17496f63b07ab","tests/test_path.rs":"ef5452c7e828a0179f5ace7e19f95b9762aa887caf10244adbfe36ded712c090","tests/test_source.rs":"f2f04f11bf8a709eddb1c68f113cda0c2be87e56800d6b9d991bedd545b4642f","tests/test_transparent.rs":"cd8d5be14d00d610a1782104bea6c013618501dab5c3625178ecfcf66e31f939","tests/ui/bad-field-attr.rs":"c5b567e3091969a01061843fb2d95c5e1aa3fa81edfeecdf416a84a6fba40aa8","tests/ui/bad-field-attr.stderr":"78f576d5ec66464a77f1cdf0f5bb7dcdf18f7f04f1165983a6239ec59d908ea3","tests/ui/concat-display.rs":"3995bd6b3bdd67df7bb16499775d89600c0dd20895633fe807396a64c117078d","tests/ui/concat-display.stderr":"256dfde61ee689ebe51588b135e2e030bdf95ba5adef1cb59f588c797bbdeef2","tests/ui/duplicate-enum-source.rs":"bfe28ce18042d446a76c7411aa233598211ce1157fdd3cb87bff3b3fa7c33131","tests/ui/duplicate-enum-source.stderr":"3d32fead420b27b4497be49080bc3b78f7f0ba339ead3de6c94e5dc20302c18f","tests/ui/duplicate-fmt.rs":"af53b66445bcce076a114376747f176b42c060a156563a41ccb638ae14c451fd","tests/ui/duplicate-fmt.stderr":"998bb121ce6f1595fd99529a7a1b06451b6bf476924337dce5524a83a7a5f1a1","tests/ui/duplicate-struct-source.rs":"f3d5f8e3d6fccfcdbb630db291353709583a920c6bf46f9f9de9966b67ea4c0f","tests/ui/duplicate-struct-source.stderr":"fb761d76668ac42357cf37b03c0abdbae5de0a828034990850291c9cb6ab766d","tests/ui/duplicate-transparent.rs":"41a9447e85f1a47027023442acde55c3d8610ec46d91b39bd43a42d7a004d747","tests/ui/duplicate-transparent.stderr":"4975abad43e973df158f18098d9bcb9dc39f8e75d3e733ed5d6620d1ee065c11","tests/ui/from-backtrace-backtrace.rs":"1fd51c5a1f7f6b6ee676d9fc798b6276ef2ce75def33d07f0e4b7bbde3291859","tests/ui/from-backtrace-backtrace.stderr":"f9774e9dad51374501ef4a55fa2dacece4d1c70e29ca18761394bdb80a9a74da","tests/ui/from-not-source.rs":"744a55aeffe11066830159ac023c33aaa5576e313b341fa24440ee13dfe3ac98","tests/ui/from-not-source.stderr":"525038e8b841707b927434cca4549168f73bd305faca17552a0d1fffa542ccc4","tests/ui/lifetime.rs":"e72e0391695e47fcd07edbf3819f114e468e2097086ec687781c7c8d6b4b7da7","tests/ui/lifetime.stderr":"d889a23f71324afe95dafc5f9d15337fbdbc9977cb8924f0cafe3a3becf4ced7","tests/ui/missing-fmt.rs":"bc9e2830e54c2474ff6c27a766ed3dee88d29e40f93f30e8d64d63233866c17d","tests/ui/missing-fmt.stderr":"9a20ccee9b660fe31a5b3199307b48580bb8305cb9ce33d97d3fc767a0cfc614","tests/ui/no-display.rs":"962245372272d23e9833311c15e73221b3c7da822a2ff90189613af56ffb5c2e","tests/ui/no-display.stderr":"40f47b286b770808a7dc5ec7970bc5cd501c9400f2e50049cf3258174929a9c1","tests/ui/source-enum-not-error.rs":"7c57c63b3ec37bc456738acea2e1038de5b0f32fe7e83984037d7ad1ed921737","tests/ui/source-enum-not-error.stderr":"44c974bf0b87431af78ccc7b4e18ebdc45135ca584a254960dff3f908ed862a8","tests/ui/source-struct-not-error.rs":"09fb7713637242dca9192585a6daeb8d732dc1c1d0fa522b74f1c98618e6d949","tests/ui/source-struct-not-error.stderr":"8e087a059c6b69de44e149ab3b5bffc4f4c6c3cbbb13c235c9a3c7c264be3245","tests/ui/transparent-display.rs":"b3c59583eb64b0b5a246444456d03cf52d51bcdc08885023600dbb44fd87e5f2","tests/ui/transparent-display.stderr":"16d538914e0d92026bde4b4bec75660217da9ecc6b621d12d2eb81d33ed1d1da","tests/ui/transparent-enum-many.rs":"2a40a764fb4683bff57973eec61507a6c00f7d4d7a32da6e7bd0190c2e445434","tests/ui/transparent-enum-many.stderr":"f1d78c1d6d8edbef153420db4fb9ca3dc6076fa043b5b1bc0cd291daa417a3ea","tests/ui/transparent-enum-source.rs":"18f606a98ac0a53f08dc56f5f923b9cbe75d25ed34479c777b48dac305d5968c","tests/ui/transparent-enum-source.stderr":"1b2e0ac53951034575d43ec0396c4e2b3cfb272db2aef8d6baa13a7e1632cc84","tests/ui/transparent-struct-many.rs":"72c6b6c1a44c203d3bc68989b2f1ec092531ef75b745432824c3776c290326f6","tests/ui/transparent-struct-many.stderr":"7bd0536dbb54a0ce7d4a8e66ca7624a1b132d8a1d1e4fecca642ec77494ac01c","tests/ui/transparent-struct-source.rs":"863fa691ed7d27e8767da58d9ee11fd40d6642274b36338ca1074c07964ea2b3","tests/ui/transparent-struct-source.stderr":"267dab65929e67d32347fb467a00b43af931f8205d727d7671938580217fc70e","tests/ui/unexpected-field-fmt.rs":"29fba7b4d81c642ec8e47cfe053aa515acf9080a86d65e685363a48993becfe3","tests/ui/unexpected-field-fmt.stderr":"20731c4a08af04bed3ff513903adadd690b6bc532b15604557e7f25575a8338f","tests/ui/unexpected-struct-source.rs":"c6cbe882d622635c216feb8290b1bd536ce0ec4feee16bc087667a21b3641d5c","tests/ui/unexpected-struct-source.stderr":"7c8227513478f6cc09e8a28be337c8a0e758a06ca5978d774c91bd43c4a54043","tests/ui/union.rs":"331adff27cebd8b95b03b6742cc8247331fda1f961e1590ed39c8d39f50cf1d8","tests/ui/union.stderr":"5f67ad29753d6fb14bc03aef7d4a1f660ee7796e469c037efbf8b13456934ad3"},"package":"3d0a539a918745651435ac7db7a18761589a94cd7e94cd56999f828bf73c8a57"}
\ No newline at end of file
+{"files":{"Cargo.toml":"1d01528e44c86dd86ee07557c6cd89bd3cf37a2456e6f3430af299d84f304035","LICENSE-APACHE":"a60eea817514531668d7e00765731449fe14d059d3249e0bc93b36de45f759f2","LICENSE-MIT":"23f18e03dc49df91622fe2a76176497404e46ced8a715d9d2b67a7446571cca3","README.md":"959ac4d4dc43ce39235613d853db8df4a0cfd79e262fc38aba43a98331643952","build.rs":"8b8d9cbf84b9a2fd108b49ecb4bae327da688d80b818acda9ee17170c788e193","rust-toolchain.toml":"6bbb61302978c736b2da03e4fb40e3beab908f85d533ab46fd541e637b5f3e0f","src/aserror.rs":"c93bd9191f26a7599043b397e26822564d9bafaa339a19861182a9909e8a3811","src/display.rs":"63c492bfa8b8e9180ad5abcbe63c1173b4ad490c47ec33cac9a338f96c8f8e42","src/lib.rs":"3fcc3c1ab31a64215978b92e68c1421ec8c5fcb942e57eb35adb9cc07a865730","src/provide.rs":"b2f7a33f44f44a03e94f54cc4b79ba2dcc5fcf0fdf64b07cdd9588a6544c8d8e","tests/compiletest.rs":"022a8e400ef813d7ea1875b944549cee5125f6a995dc33e93b48cba3e1b57bd1","tests/test_backtrace.rs":"fd1f326bc23e6c1611a51bc43c1d5092b32ee18a1613abe20da0818e5729c0ed","tests/test_deprecated.rs":"7b80a10f090a3982da017556d3d71398abcead59afd8278c7b9d9b1f7b66c7b3","tests/test_display.rs":"20fdc8903f06da3a698ef4377cccca26a71138ca6de67310c5bdb8a9fcb39d83","tests/test_error.rs":"d06dca3c38f22d7ce4e27dadd6c0f78e5cefe3a2ebbc5fe44abc9ddd5ee1985f","tests/test_expr.rs":"388402702a3be4ffcd0574d66733e8932bf7d5de37544a00ecb0e4f8d8246da4","tests/test_from.rs":"de1347e62069f826d8616b9e45ce6cccc3a8a8049cb51bd22d6763efe6118b0c","tests/test_generics.rs":"4f33747e3f62550d5af94687679af230ef92fbb3247ae4b41df46792a040e4dc","tests/test_lints.rs":"c17d79d77edfcdd4b8f6dcdcd1c70ad065cfbc747e1a618ac6343315d0b59ea4","tests/test_option.rs":"3a82af1ad206444b9955e3f2fda508d70f887ad0b7f7986bafc17496f63b07ab","tests/test_path.rs":"ef5452c7e828a0179f5ace7e19f95b9762aa887caf10244adbfe36ded712c090","tests/test_source.rs":"f2f04f11bf8a709eddb1c68f113cda0c2be87e56800d6b9d991bedd545b4642f","tests/test_transparent.rs":"cd8d5be14d00d610a1782104bea6c013618501dab5c3625178ecfcf66e31f939","tests/ui/bad-field-attr.rs":"c5b567e3091969a01061843fb2d95c5e1aa3fa81edfeecdf416a84a6fba40aa8","tests/ui/bad-field-attr.stderr":"78f576d5ec66464a77f1cdf0f5bb7dcdf18f7f04f1165983a6239ec59d908ea3","tests/ui/concat-display.rs":"3995bd6b3bdd67df7bb16499775d89600c0dd20895633fe807396a64c117078d","tests/ui/concat-display.stderr":"256dfde61ee689ebe51588b135e2e030bdf95ba5adef1cb59f588c797bbdeef2","tests/ui/duplicate-enum-source.rs":"bfe28ce18042d446a76c7411aa233598211ce1157fdd3cb87bff3b3fa7c33131","tests/ui/duplicate-enum-source.stderr":"3d32fead420b27b4497be49080bc3b78f7f0ba339ead3de6c94e5dc20302c18f","tests/ui/duplicate-fmt.rs":"af53b66445bcce076a114376747f176b42c060a156563a41ccb638ae14c451fd","tests/ui/duplicate-fmt.stderr":"998bb121ce6f1595fd99529a7a1b06451b6bf476924337dce5524a83a7a5f1a1","tests/ui/duplicate-struct-source.rs":"f3d5f8e3d6fccfcdbb630db291353709583a920c6bf46f9f9de9966b67ea4c0f","tests/ui/duplicate-struct-source.stderr":"fb761d76668ac42357cf37b03c0abdbae5de0a828034990850291c9cb6ab766d","tests/ui/duplicate-transparent.rs":"41a9447e85f1a47027023442acde55c3d8610ec46d91b39bd43a42d7a004d747","tests/ui/duplicate-transparent.stderr":"4975abad43e973df158f18098d9bcb9dc39f8e75d3e733ed5d6620d1ee065c11","tests/ui/from-backtrace-backtrace.rs":"1fd51c5a1f7f6b6ee676d9fc798b6276ef2ce75def33d07f0e4b7bbde3291859","tests/ui/from-backtrace-backtrace.stderr":"f9774e9dad51374501ef4a55fa2dacece4d1c70e29ca18761394bdb80a9a74da","tests/ui/from-not-source.rs":"744a55aeffe11066830159ac023c33aaa5576e313b341fa24440ee13dfe3ac98","tests/ui/from-not-source.stderr":"525038e8b841707b927434cca4549168f73bd305faca17552a0d1fffa542ccc4","tests/ui/lifetime.rs":"e72e0391695e47fcd07edbf3819f114e468e2097086ec687781c7c8d6b4b7da7","tests/ui/lifetime.stderr":"d889a23f71324afe95dafc5f9d15337fbdbc9977cb8924f0cafe3a3becf4ced7","tests/ui/missing-fmt.rs":"bc9e2830e54c2474ff6c27a766ed3dee88d29e40f93f30e8d64d63233866c17d","tests/ui/missing-fmt.stderr":"9a20ccee9b660fe31a5b3199307b48580bb8305cb9ce33d97d3fc767a0cfc614","tests/ui/no-display.rs":"962245372272d23e9833311c15e73221b3c7da822a2ff90189613af56ffb5c2e","tests/ui/no-display.stderr":"40f47b286b770808a7dc5ec7970bc5cd501c9400f2e50049cf3258174929a9c1","tests/ui/source-enum-not-error.rs":"7c57c63b3ec37bc456738acea2e1038de5b0f32fe7e83984037d7ad1ed921737","tests/ui/source-enum-not-error.stderr":"1bb601243ff11d5de08c70edf3fd89d52b4a89fcd2a5c7775d1bc11d056ced1e","tests/ui/source-struct-not-error.rs":"09fb7713637242dca9192585a6daeb8d732dc1c1d0fa522b74f1c98618e6d949","tests/ui/source-struct-not-error.stderr":"9a1a04d606309c82eea59d1745c833189f0b4f237f0741a17dd62c11ce16642d","tests/ui/transparent-display.rs":"b3c59583eb64b0b5a246444456d03cf52d51bcdc08885023600dbb44fd87e5f2","tests/ui/transparent-display.stderr":"16d538914e0d92026bde4b4bec75660217da9ecc6b621d12d2eb81d33ed1d1da","tests/ui/transparent-enum-many.rs":"2a40a764fb4683bff57973eec61507a6c00f7d4d7a32da6e7bd0190c2e445434","tests/ui/transparent-enum-many.stderr":"f1d78c1d6d8edbef153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\ No newline at end of file
diff --git a/vendor/thiserror/Cargo.toml b/vendor/thiserror/Cargo.toml
index 5926572e3..2f060d6d8 100644
--- a/vendor/thiserror/Cargo.toml
+++ b/vendor/thiserror/Cargo.toml
@@ -13,7 +13,7 @@
 edition = "2018"
 rust-version = "1.31"
 name = "thiserror"
-version = "1.0.33"
+version = "1.0.37"
 authors = ["David Tolnay <dtolnay@gmail.com>"]
 description = "derive(Error)"
 documentation = "https://docs.rs/thiserror"
@@ -31,10 +31,10 @@ repository = "https://github.com/dtolnay/thiserror"
 targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies.thiserror-impl]
-version = "=1.0.33"
+version = "=1.0.37"
 
 [dev-dependencies.anyhow]
-version = "1.0"
+version = "1.0.65"
 
 [dev-dependencies.ref-cast]
 version = "1.0"
diff --git a/vendor/thiserror/README.md b/vendor/thiserror/README.md
index 387a56e46..8f6b896de 100644
--- a/vendor/thiserror/README.md
+++ b/vendor/thiserror/README.md
@@ -124,8 +124,8 @@ pub enum DataStoreError {
   }
   ```
 
-- The Error trait's `backtrace()` method is implemented to return whichever
-  field has a type named `Backtrace`, if any.
+- The Error trait's `provide()` method is implemented to provide whichever field
+  has a type named `Backtrace`, if any, as a `std::backtrace::Backtrace`.
 
   ```rust
   use std::backtrace::Backtrace;
@@ -138,8 +138,9 @@ pub enum DataStoreError {
   ```
 
 - If a field is both a source (named `source`, or has `#[source]` or `#[from]`
-  attribute) *and* is marked `#[backtrace]`, then the Error trait's
-  `backtrace()` method is forwarded to the source's backtrace.
+  attribute) *and* is marked `#[backtrace]`, then the Error trait's `provide()`
+  method is forwarded to the source's `provide` so that both layers of the error
+  share the same backtrace.
 
   ```rust
   #[derive(Error, Debug)]
@@ -165,6 +166,27 @@ pub enum DataStoreError {
   }
   ```
 
+  Another use case is hiding implementation details of an error representation
+  behind an opaque error type, so that the representation is able to evolve
+  without breaking the crate's public API.
+
+  ```rust
+  // PublicError is public, but opaque and easy to keep compatible.
+  #[derive(Error, Debug)]
+  #[error(transparent)]
+  pub struct PublicError(#[from] ErrorRepr);
+
+  impl PublicError {
+      // Accessors for anything we do want to expose publicly.
+  }
+
+  // Private and free to change across minor version of the crate.
+  #[derive(Error, Debug)]
+  enum ErrorRepr {
+      ...
+  }
+  ```
+
 - See also the [`anyhow`] library for a convenient single error type to use in
   application code.
 
diff --git a/vendor/thiserror/build.rs b/vendor/thiserror/build.rs
new file mode 100644
index 000000000..004dfb015
--- /dev/null
+++ b/vendor/thiserror/build.rs
@@ -0,0 +1,66 @@
+use std::env;
+use std::fs;
+use std::path::Path;
+use std::process::{Command, ExitStatus, Stdio};
+use std::str;
+
+// This code exercises the surface area that we expect of the Provider API. If
+// the current toolchain is able to compile it, then thiserror is able to use
+// providers for backtrace support.
+const PROBE: &str = r#"
+    #![feature(provide_any)]
+
+    use std::any::{Demand, Provider};
+
+    fn _f<'a, P: Provider>(p: &'a P, demand: &mut Demand<'a>) {
+        p.provide(demand);
+    }
+"#;
+
+fn main() {
+    match compile_probe() {
+        Some(status) if status.success() => println!("cargo:rustc-cfg=provide_any"),
+        _ => {}
+    }
+}
+
+fn compile_probe() -> Option<ExitStatus> {
+    let rustc = env::var_os("RUSTC")?;
+    let out_dir = env::var_os("OUT_DIR")?;
+    let probefile = Path::new(&out_dir).join("probe.rs");
+    fs::write(&probefile, PROBE).ok()?;
+
+    // Make sure to pick up Cargo rustc configuration.
+    let mut cmd = if let Some(wrapper) = env::var_os("RUSTC_WRAPPER") {
+        let mut cmd = Command::new(wrapper);
+        // The wrapper's first argument is supposed to be the path to rustc.
+        cmd.arg(rustc);
+        cmd
+    } else {
+        Command::new(rustc)
+    };
+
+    cmd.stderr(Stdio::null())
+        .arg("--edition=2018")
+        .arg("--crate-name=thiserror_build")
+        .arg("--crate-type=lib")
+        .arg("--emit=metadata")
+        .arg("--out-dir")
+        .arg(out_dir)
+        .arg(probefile);
+
+    if let Some(target) = env::var_os("TARGET") {
+        cmd.arg("--target").arg(target);
+    }
+
+    // If Cargo wants to set RUSTFLAGS, use that.
+    if let Ok(rustflags) = env::var("CARGO_ENCODED_RUSTFLAGS") {
+        if !rustflags.is_empty() {
+            for arg in rustflags.split('\x1f') {
+                cmd.arg(arg);
+            }
+        }
+    }
+
+    cmd.status().ok()
+}
diff --git a/vendor/thiserror/src/aserror.rs b/vendor/thiserror/src/aserror.rs
index c036b7b09..5fea84ef8 100644
--- a/vendor/thiserror/src/aserror.rs
+++ b/vendor/thiserror/src/aserror.rs
@@ -1,7 +1,7 @@
 use std::error::Error;
 use std::panic::UnwindSafe;
 
-pub trait AsDynError<'a> {
+pub trait AsDynError<'a>: Sealed {
     fn as_dyn_error(&self) -> &(dyn Error + 'a);
 }
 
@@ -39,3 +39,10 @@ impl<'a> AsDynError<'a> for dyn Error + Send + Sync + UnwindSafe + 'a {
         self
     }
 }
+
+pub trait Sealed {}
+impl<'a, T: Error + 'a> Sealed for T {}
+impl<'a> Sealed for dyn Error + 'a {}
+impl<'a> Sealed for dyn Error + Send + 'a {}
+impl<'a> Sealed for dyn Error + Send + Sync + 'a {}
+impl<'a> Sealed for dyn Error + Send + Sync + UnwindSafe + 'a {}
diff --git a/vendor/thiserror/src/lib.rs b/vendor/thiserror/src/lib.rs
index 247199ffd..aae6552d0 100644
--- a/vendor/thiserror/src/lib.rs
+++ b/vendor/thiserror/src/lib.rs
@@ -146,8 +146,9 @@
 //!   # }
 //!   ```
 //!
-//! - The Error trait's `backtrace()` method is implemented to return whichever
-//!   field has a type named `Backtrace`, if any.
+//! - The Error trait's `provide()` method is implemented to provide whichever
+//!   field has a type named `Backtrace`, if any, as a
+//!   `std::backtrace::Backtrace`.
 //!
 //!   ```rust
 //!   # const IGNORE: &str = stringify! {
@@ -163,7 +164,8 @@
 //!
 //! - If a field is both a source (named `source`, or has `#[source]` or
 //!   `#[from]` attribute) *and* is marked `#[backtrace]`, then the Error
-//!   trait's `backtrace()` method is forwarded to the source's backtrace.
+//!   trait's `provide()` method is forwarded to the source's `provide` so that
+//!   both layers of the error share the same backtrace.
 //!
 //!   ```rust
 //!   # const IGNORE: &str = stringify! {
@@ -196,6 +198,31 @@
 //!   }
 //!   ```
 //!
+//!   Another use case is hiding implementation details of an error
+//!   representation behind an opaque error type, so that the representation is
+//!   able to evolve without breaking the crate's public API.
+//!
+//!   ```
+//!   # use thiserror::Error;
+//!   #
+//!   // PublicError is public, but opaque and easy to keep compatible.
+//!   #[derive(Error, Debug)]
+//!   #[error(transparent)]
+//!   pub struct PublicError(#[from] ErrorRepr);
+//!
+//!   impl PublicError {
+//!       // Accessors for anything we do want to expose publicly.
+//!   }
+//!
+//!   // Private and free to change across minor version of the crate.
+//!   #[derive(Error, Debug)]
+//!   enum ErrorRepr {
+//!       # /*
+//!       ...
+//!       # */
+//!   }
+//!   ```
+//!
 //! - See also the [`anyhow`] library for a convenient single error type to use
 //!   in application code.
 //!
@@ -206,10 +233,14 @@
     clippy::doc_markdown,
     clippy::module_name_repetitions,
     clippy::return_self_not_must_use,
+    clippy::wildcard_imports,
 )]
+#![cfg_attr(provide_any, feature(provide_any))]
 
 mod aserror;
 mod display;
+#[cfg(provide_any)]
+mod provide;
 
 pub use thiserror_impl::*;
 
@@ -218,4 +249,6 @@ pub use thiserror_impl::*;
 pub mod __private {
     pub use crate::aserror::AsDynError;
     pub use crate::display::{DisplayAsDisplay, PathAsDisplay};
+    #[cfg(provide_any)]
+    pub use crate::provide::ThiserrorProvide;
 }
diff --git a/vendor/thiserror/src/provide.rs b/vendor/thiserror/src/provide.rs
new file mode 100644
index 000000000..524e7435d
--- /dev/null
+++ b/vendor/thiserror/src/provide.rs
@@ -0,0 +1,15 @@
+use std::any::{Demand, Provider};
+
+pub trait ThiserrorProvide: Sealed {
+    fn thiserror_provide<'a>(&'a self, demand: &mut Demand<'a>);
+}
+
+impl<T: Provider + ?Sized> ThiserrorProvide for T {
+    #[inline]
+    fn thiserror_provide<'a>(&'a self, demand: &mut Demand<'a>) {
+        self.provide(demand);
+    }
+}
+
+pub trait Sealed {}
+impl<T: Provider + ?Sized> Sealed for T {}
diff --git a/vendor/thiserror/tests/test_backtrace.rs b/vendor/thiserror/tests/test_backtrace.rs
index 052c6f481..43f68b8b7 100644
--- a/vendor/thiserror/tests/test_backtrace.rs
+++ b/vendor/thiserror/tests/test_backtrace.rs
@@ -21,6 +21,7 @@ pub mod structs {
     use super::{Inner, InnerBacktrace};
     use std::any;
     use std::backtrace::Backtrace;
+    use std::error::Error;
     use std::sync::Arc;
     use thiserror::Error;
 
@@ -86,6 +87,20 @@ pub mod structs {
         backtrace: Arc<Backtrace>,
     }
 
+    #[derive(Error, Debug)]
+    #[error("...")]
+    pub struct AnyhowBacktrace {
+        #[backtrace]
+        source: anyhow::Error,
+    }
+
+    #[derive(Error, Debug)]
+    #[error("...")]
+    pub struct BoxDynErrorBacktrace {
+        #[backtrace]
+        source: Box<dyn Error>,
+    }
+
     #[test]
     fn test_backtrace() {
         let error = PlainBacktrace {
@@ -121,6 +136,37 @@ pub mod structs {
 
         let error = ArcBacktraceFrom::from(Inner);
         assert!(any::request_ref::<Backtrace>(&error).is_some());
+
+        let error = AnyhowBacktrace {
+            source: anyhow::Error::msg("..."),
+        };
+        assert!(any::request_ref::<Backtrace>(&error).is_some());
+
+        let error = BoxDynErrorBacktrace {
+            source: Box::new(PlainBacktrace {
+                backtrace: Backtrace::capture(),
+            }),
+        };
+        assert!(any::request_ref::<Backtrace>(&error).is_some());
+    }
+
+    // https://github.com/dtolnay/thiserror/issues/185 -- std::error::Error and
+    // std::any::Provide both have a method called 'provide', so directly
+    // calling it from generated code could be ambiguous.
+    #[test]
+    fn test_provide_name_collision() {
+        use std::any::Provider;
+
+        #[derive(Error, Debug)]
+        #[error("...")]
+        struct MyError {
+            #[source]
+            #[backtrace]
+            x: std::io::Error,
+        }
+
+        let _: dyn Error;
+        let _: dyn Provider;
     }
 }
 
diff --git a/vendor/thiserror/tests/test_deprecated.rs b/vendor/thiserror/tests/test_deprecated.rs
new file mode 100644
index 000000000..5524666ab
--- /dev/null
+++ b/vendor/thiserror/tests/test_deprecated.rs
@@ -0,0 +1,10 @@
+#![deny(deprecated, clippy::all, clippy::pedantic)]
+
+use thiserror::Error;
+
+#[derive(Error, Debug)]
+pub enum Error {
+    #[deprecated]
+    #[error("...")]
+    Deprecated,
+}
diff --git a/vendor/thiserror/tests/ui/source-enum-not-error.stderr b/vendor/thiserror/tests/ui/source-enum-not-error.stderr
index da10c6e77..29ee54600 100644
--- a/vendor/thiserror/tests/ui/source-enum-not-error.stderr
+++ b/vendor/thiserror/tests/ui/source-enum-not-error.stderr
@@ -4,7 +4,7 @@ error[E0599]: the method `as_dyn_error` exists for reference `&NotError`, but it
 4  | pub struct NotError;
    | -------------------
    | |
-   | doesn't satisfy `NotError: AsDynError`
+   | doesn't satisfy `NotError: AsDynError<'_>`
    | doesn't satisfy `NotError: std::error::Error`
 ...
 10 |         source: NotError,
@@ -12,9 +12,9 @@ error[E0599]: the method `as_dyn_error` exists for reference `&NotError`, but it
    |
    = note: the following trait bounds were not satisfied:
            `NotError: std::error::Error`
-           which is required by `NotError: AsDynError`
+           which is required by `NotError: AsDynError<'_>`
            `&NotError: std::error::Error`
-           which is required by `&NotError: AsDynError`
+           which is required by `&NotError: AsDynError<'_>`
 note: the following trait must be implemented
   --> $RUST/core/src/error.rs
    |
diff --git a/vendor/thiserror/tests/ui/source-struct-not-error.stderr b/vendor/thiserror/tests/ui/source-struct-not-error.stderr
index cc0e67aca..efa40281d 100644
--- a/vendor/thiserror/tests/ui/source-struct-not-error.stderr
+++ b/vendor/thiserror/tests/ui/source-struct-not-error.stderr
@@ -5,7 +5,7 @@ error[E0599]: the method `as_dyn_error` exists for struct `NotError`, but its tr
    | ---------------
    | |
    | method `as_dyn_error` not found for this struct
-   | doesn't satisfy `NotError: AsDynError`
+   | doesn't satisfy `NotError: AsDynError<'_>`
    | doesn't satisfy `NotError: std::error::Error`
 ...
 9  |     source: NotError,
@@ -13,7 +13,7 @@ error[E0599]: the method `as_dyn_error` exists for struct `NotError`, but its tr
    |
    = note: the following trait bounds were not satisfied:
            `NotError: std::error::Error`
-           which is required by `NotError: AsDynError`
+           which is required by `NotError: AsDynError<'_>`
 note: the following trait must be implemented
   --> $RUST/core/src/error.rs
    |