Adding debian version 1.65.0+dfsg1-2.debian/1.65.0+dfsg1-2

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

1 files changed, 109 insertions, 183 deletions

diff --git a/vendor/quick-error/src/lib.rs b/vendor/quick-error/src/lib.rs
index e5eb62e44..17fc455d4 100644
--- a/vendor/quick-error/src/lib.rs
+++ b/vendor/quick-error/src/lib.rs
@@ -45,7 +45,7 @@
 //! Now you might have noticed trailing braces `{}`. They are used to define
 //! implementations. By default:
 //!
-//! * `Error::source()` returns None (even if type wraps some value)
+//! * `Error::cause()` returns None (even if type wraps some value)
 //! * `Display` outputs debug representation
 //! * No `From` implementations are defined
 //!
@@ -66,7 +66,7 @@
 //! }
 //! ```
 //!
-//! To change `source` method to return some error, add `source(value)`, for
+//! To change `cause` method to return some error, add `cause(value)`, for
 //! example:
 //!
 //! ```rust
@@ -77,19 +77,19 @@
 //!     #[derive(Debug)]
 //!     pub enum SomeError {
 //!         Io(err: std::io::Error) {
-//!             source(err)
+//!             cause(err)
 //!         }
 //!         Utf8(err: std::str::Utf8Error) {
 //!             display("utf8 error")
 //!         }
 //!         Other(err: Box<std::error::Error>) {
-//!             source(&**err)
+//!             cause(&**err)
 //!         }
 //!     }
 //! }
 //! ```
 //! Note you don't need to wrap value in `Some`, its implicit. In case you want
-//! `None` returned just omit the `source`. You can't return `None`
+//! `None` returned just omit the `cause`. You can't return `None`
 //! conditionally.
 //!
 //! To change how each clause is `Display`ed add `display(pattern,..args)`,
@@ -220,12 +220,12 @@
 //! }
 //!
 //! fn openfile(path: &Path) -> Result<(), Error> {
-//!     File::open(path).context(path)?;
+//!     try!(File::open(path).context(path));
 //!
 //!     // If we didn't have context, the line above would be written as;
 //!     //
-//!     // File::open(path)
-//!     //     .map_err(|err| Error::File(path.to_path_buf(), err))?;
+//!     // try!(File::open(path)
+//!     //     .map_err(|err| Error::File(path.to_path_buf(), err)));
 //!
 //!     Ok(())
 //! }
@@ -248,7 +248,7 @@
 //!
 //! More info on context in [this article](http://bit.ly/1PsuxDt).
 //!
-//! All forms of `from`, `display`, `source`, and `context`
+//! All forms of `from`, `display`, `cause`, and `context`
 //! clauses can be combined and put in arbitrary order. Only `from` and
 //! `context` can be used multiple times in single variant of enumeration.
 //! Docstrings are also okay.  Empty braces can be omitted as of quick_error
@@ -293,6 +293,7 @@
 //!
 //!
 
+
 /// Main macro that does all the work
 #[macro_export]
 macro_rules! quick_error {
@@ -370,8 +371,9 @@ macro_rules! quick_error {
         }
 
         impl ::std::error::Error for $strname {
-            fn source(&self) -> Option<&(dyn std::error::Error + 'static)> {
-                self.0.source()
+            #[allow(deprecated)]
+            fn cause(&self) -> Option<&::std::error::Error> {
+                self.0.cause()
             }
         }
     };
@@ -452,6 +454,8 @@ macro_rules! quick_error {
         queue [ #[$qmeta:meta] $( $tail:tt )*]
     ) => {
         quick_error!(SORT [$( $def )*]
+            enum [$( $(#[$emeta])* => $eitem $(( $($etyp),* ))* )*
+                     $(#[$bmeta])* => $bitem: $bmode $(( $($btyp),* ))*]
             items [$($( #[$imeta:meta] )*
                       => $iitem: $imode [$( $ivar:$ityp ),*] {$( $ifuncs )*} )*
                      $bitem: $bmode [$( $bvar:$btyp ),*] {} ]
@@ -468,7 +472,7 @@ macro_rules! quick_error {
     ) => {
         quick_error!(SORT [$( $def )*]
             items [$( $(#[$imeta])* => $iitem: $imode [$( $ivar:$ityp ),*] {$( $ifuncs )*} )*]
-            buf [$( #[$bmeta] )* => $bitem: TUPLE [$( $qvar:$qtyp ),+] ]
+            buf [$( #[$bmeta] )* => $bitem: TUPLE [$( $qvar:$qtyp ),*] ]
             queue [$( $tail )*]
         );
     };
@@ -482,7 +486,7 @@ macro_rules! quick_error {
     ) => {
         quick_error!(SORT [$( $def )*]
             items [$( $(#[$imeta])* => $iitem: $imode [$( $ivar:$ityp ),*] {$( $ifuncs )*} )*]
-            buf [$( #[$bmeta] )* => $bitem: STRUCT [$( $qvar:$qtyp ),+] ]
+            buf [$( #[$bmeta] )* => $bitem: STRUCT [$( $qvar:$qtyp ),*] ]
             queue [$( $tail )*]);
     };
     // Add struct enum-variant, with excess comma - e.g. { descr: &'static str, }
@@ -495,7 +499,7 @@ macro_rules! quick_error {
     ) => {
         quick_error!(SORT [$( $def )*]
             items [$( $(#[$imeta])* => $iitem: $imode [$( $ivar:$ityp ),*] {$( $ifuncs )*} )*]
-            buf [$( #[$bmeta] )* => $bitem: STRUCT [$( $qvar:$qtyp ),+] ]
+            buf [$( #[$bmeta] )* => $bitem: STRUCT [$( $qvar:$qtyp ),*] ]
             queue [$( $tail )*]);
     };
     // Add braces and flush always on braces
@@ -557,7 +561,7 @@ macro_rules! quick_error {
         pub enum $name {
             $(
                 $(#[$imeta])*
-                $iitem $(($( $ttyp ),+))* $({$( $svar: $styp ),*})*,
+                $iitem $(($( $ttyp ),*))* $({$( $svar: $styp ),*})*,
             )*
         }
     };
@@ -575,7 +579,7 @@ macro_rules! quick_error {
         enum $name {
             $(
                 $(#[$imeta])*
-                $iitem $(($( $ttyp ),+))* $({$( $svar: $styp ),*})*,
+                $iitem $(($( $ttyp ),*))* $({$( $svar: $styp ),*})*,
             )*
         }
     };
@@ -601,7 +605,7 @@ macro_rules! quick_error {
     ) => {
         quick_error!(ENUM_DEFINITION [ $($def)* ]
             body [$($( #[$imeta] )* => $iitem ($(($( $ttyp ),+))*) {$({$( $svar: $styp ),*})*} )*
-                    $( #[$qmeta] )* => $qitem (($( $qtyp ),+)) {} ]
+                    $( #[$qmeta] )* => $qitem (($( $qtyp ),*)) {} ]
             queue [ $($queue)* ]
         );
     };
@@ -654,14 +658,14 @@ macro_rules! quick_error {
         #[allow(unused_doc_comment)]
         #[allow(unused_doc_comments)]
         impl ::std::error::Error for $name {
-            fn source(&self) -> Option<&(dyn std::error::Error + 'static)> {
+            fn cause(&self) -> Option<&::std::error::Error> {
                 match *self {
                     $(
                         $(#[$imeta])*
                         quick_error!(ITEM_PATTERN
                             $name $item: $imode [$( ref $var ),*]
                         ) => {
-                            quick_error!(FIND_SOURCE_IMPL
+                            quick_error!(FIND_CAUSE_IMPL
                                 $item: $imode [$( $var ),*]
                                 {$( $funcs )*})
                         }
@@ -709,21 +713,33 @@ macro_rules! quick_error {
             write!(f, "{:?}", self_)
         }
     };
-    (FIND_SOURCE_IMPL $item:ident: $imode:tt
+    (FIND_DESCRIPTION_IMPL $item:ident: $imode:tt $me:ident $fmt:ident
+        [$( $var:ident ),*]
+        { description($expr:expr) $( $tail:tt )*}
+    ) => {};
+    (FIND_DESCRIPTION_IMPL $item:ident: $imode:tt $me:ident $fmt:ident
+        [$( $var:ident ),*]
+        { $t:tt $( $tail:tt )*}
+    ) => {};
+    (FIND_DESCRIPTION_IMPL $item:ident: $imode:tt $me:ident $fmt:ident
+        [$( $var:ident ),*]
+        { }
+    ) => {};
+    (FIND_CAUSE_IMPL $item:ident: $imode:tt
         [$( $var:ident ),*]
-        { source($expr:expr) $( $tail:tt )*}
+        { cause($expr:expr) $( $tail:tt )*}
     ) => {
         Some($expr)
     };
-    (FIND_SOURCE_IMPL $item:ident: $imode:tt
+    (FIND_CAUSE_IMPL $item:ident: $imode:tt
         [$( $var:ident ),*]
         { $t:tt $( $tail:tt )*}
     ) => {
-        quick_error!(FIND_SOURCE_IMPL
+        quick_error!(FIND_CAUSE_IMPL
             $item: $imode [$( $var ),*]
             { $($tail)* })
     };
-    (FIND_SOURCE_IMPL $item:ident: $imode:tt
+    (FIND_CAUSE_IMPL $item:ident: $imode:tt
         [$( $var:ident ),*]
         { }
     ) => {
@@ -924,7 +940,9 @@ macro_rules! quick_error {
     => { quick_error!(ERROR_CHECK $imode $($tail)*); };
     (ERROR_CHECK $imode:tt display($pattern: expr, $( $exprs:tt )*) $( $tail:tt )*)
     => { quick_error!(ERROR_CHECK $imode $($tail)*); };
-    (ERROR_CHECK $imode:tt source($expr:expr) $($tail:tt)*)
+    (ERROR_CHECK $imode:tt description($expr:expr) $( $tail:tt )*)
+    => { quick_error!(ERROR_CHECK $imode $($tail)*); };
+    (ERROR_CHECK $imode:tt cause($expr:expr) $($tail:tt)*)
     => { quick_error!(ERROR_CHECK $imode $($tail)*); };
     (ERROR_CHECK $imode:tt from() $($tail:tt)*)
     => { quick_error!(ERROR_CHECK $imode $($tail)*); };
@@ -947,6 +965,7 @@ macro_rules! quick_error {
     (IDENT $ident:ident) => { $ident }
 }
 
+
 /// Generic context type
 ///
 /// Used mostly as a transport for `ResultExt::context` method
@@ -970,13 +989,16 @@ impl<T, E> ResultExt<T, E> for Result<T, E> {
     }
 }
 
+
+
 #[cfg(test)]
+#[allow(deprecated)]
 mod test {
-    use std::error::Error;
     use std::num::{ParseFloatError, ParseIntError};
-    use std::path::{Path, PathBuf};
     use std::str::Utf8Error;
     use std::string::FromUtf8Error;
+    use std::error::Error;
+    use std::path::{Path, PathBuf};
 
     use super::ResultExt;
 
@@ -992,15 +1014,14 @@ mod test {
     fn bare_item_direct() {
         assert_eq!(format!("{}", Bare::One), "One".to_string());
         assert_eq!(format!("{:?}", Bare::One), "One".to_string());
-        assert!(Bare::One.source().is_none());
+        assert!(Bare::One.cause().is_none());
     }
-
     #[test]
     fn bare_item_trait() {
-        let err: &dyn Error = &Bare::Two;
+        let err: &Error = &Bare::Two;
         assert_eq!(format!("{}", err), "Two".to_string());
         assert_eq!(format!("{:?}", err), "Two".to_string());
-        assert!(err.source().is_none());
+        assert!(err.cause().is_none());
     }
 
     quick_error! {
@@ -1016,18 +1037,13 @@ mod test {
 
     #[test]
     fn wrapper() {
-        assert_eq!(
-            format!("{}", Wrapper::from(Wrapped::One)),
-            "One".to_string()
-        );
-        assert_eq!(
-            format!("{}", Wrapper::from(Wrapped::from(String::from("hello")))),
-            "two: hello".to_string()
-        );
-        assert_eq!(
-            format!("{:?}", Wrapper::from(Wrapped::One)),
-            "Wrapper(One)".to_string()
-        );
+        assert_eq!(format!("{}", Wrapper::from(Wrapped::One)),
+            "One".to_string());
+        assert_eq!(format!("{}",
+            Wrapper::from(Wrapped::from(String::from("hello")))),
+            "two: hello".to_string());
+        assert_eq!(format!("{:?}", Wrapper::from(Wrapped::One)),
+            "Wrapper(One)".to_string());
     }
 
     quick_error! {
@@ -1037,14 +1053,14 @@ mod test {
             ParseFloatError(err: ParseFloatError) {
                 from()
                 display("parse float error: {err}", err=err)
-                source(err)
+                cause(err)
             }
             Other(descr: &'static str) {
                 display("Error: {}", descr)
             }
             /// FromUtf8 Error
             FromUtf8Error(err: Utf8Error, source: Vec<u8>) {
-                source(err)
+                cause(err)
                 display(me) -> ("{desc} at index {pos}: {err}", desc="utf8 error", pos=err.valid_up_to(), err=err)
                 from(err: FromUtf8Error) -> (err.utf8_error().clone(), err.into_bytes())
             }
@@ -1059,68 +1075,46 @@ mod test {
 
     #[test]
     fn tuple_wrapper_err() {
-        let source = "one and a half times pi".parse::<f32>().unwrap_err();
-        let err = TupleWrapper::ParseFloatError(source.clone());
-        assert_eq!(format!("{}", err), format!("parse float error: {}", source));
-        assert_eq!(
-            format!("{:?}", err),
-            format!("ParseFloatError({:?})", source)
-        );
-        assert_eq!(
-            format!("{:?}", err.source().unwrap()),
-            format!("{:?}", source)
-        );
+        let cause = "one and a half times pi".parse::<f32>().unwrap_err();
+        let err = TupleWrapper::ParseFloatError(cause.clone());
+        assert_eq!(format!("{}", err), format!("parse float error: {}", cause));
+        assert_eq!(format!("{:?}", err), format!("ParseFloatError({:?})", cause));
+        assert_eq!(format!("{:?}", err.cause().unwrap()), format!("{:?}", cause));
     }
 
     #[test]
     fn tuple_wrapper_trait_str() {
         let desc = "hello";
-        let err: &dyn Error = &TupleWrapper::Other(desc);
+        let err: &Error = &TupleWrapper::Other(desc);
         assert_eq!(format!("{}", err), format!("Error: {}", desc));
         assert_eq!(format!("{:?}", err), format!("Other({:?})", desc));
-        assert!(err.source().is_none());
+        assert!(err.cause().is_none());
     }
 
     #[test]
     fn tuple_wrapper_trait_two_fields() {
         let invalid_utf8: Vec<u8> = vec![0, 159, 146, 150];
-        let source = String::from_utf8(invalid_utf8.clone())
-            .unwrap_err()
-            .utf8_error();
-        let err: &dyn Error = &TupleWrapper::FromUtf8Error(source.clone(), invalid_utf8.clone());
-        assert_eq!(
-            format!("{}", err),
-            format!(
-                "{desc} at index {pos}: {source}",
-                desc = "utf8 error",
-                pos = source.valid_up_to(),
-                source = source
-            )
-        );
-        assert_eq!(
-            format!("{:?}", err),
-            format!("FromUtf8Error({:?}, {:?})", source, invalid_utf8)
-        );
-        assert_eq!(
-            format!("{:?}", err.source().unwrap()),
-            format!("{:?}", source)
-        );
+        let cause = String::from_utf8(invalid_utf8.clone()).unwrap_err().utf8_error();
+        let err: &Error = &TupleWrapper::FromUtf8Error(cause.clone(), invalid_utf8.clone());
+        assert_eq!(format!("{}", err), format!("{desc} at index {pos}: {cause}", desc="utf8 error", pos=cause.valid_up_to(), cause=cause));
+        assert_eq!(format!("{:?}", err), format!("FromUtf8Error({:?}, {:?})", cause, invalid_utf8));
+        assert_eq!(format!("{:?}", err.cause().unwrap()), format!("{:?}", cause));
     }
 
     #[test]
     fn tuple_wrapper_from() {
-        let source = "one and a half times pi".parse::<f32>().unwrap_err();
-        let err = TupleWrapper::ParseFloatError(source.clone());
-        let err_from: TupleWrapper = From::from(source);
+        let cause = "one and a half times pi".parse::<f32>().unwrap_err();
+        let err = TupleWrapper::ParseFloatError(cause.clone());
+        let err_from: TupleWrapper = From::from(cause);
         assert_eq!(err_from, err);
     }
 
     #[test]
     fn tuple_wrapper_custom_from() {
         let invalid_utf8: Vec<u8> = vec![0, 159, 146, 150];
-        let source = String::from_utf8(invalid_utf8.clone()).unwrap_err();
-        let err = TupleWrapper::FromUtf8Error(source.utf8_error().clone(), invalid_utf8);
-        let err_from: TupleWrapper = From::from(source);
+        let cause = String::from_utf8(invalid_utf8.clone()).unwrap_err();
+        let err = TupleWrapper::FromUtf8Error(cause.utf8_error().clone(), invalid_utf8);
+        let err_from: TupleWrapper = From::from(cause);
         assert_eq!(err_from, err);
     }
 
@@ -1129,7 +1123,7 @@ mod test {
         let err: TupleWrapper = From::from("hello");
         assert_eq!(format!("{}", err), format!("Discard"));
         assert_eq!(format!("{:?}", err), format!("Discard"));
-        assert!(err.source().is_none());
+        assert!(err.cause().is_none());
     }
 
     #[test]
@@ -1137,7 +1131,7 @@ mod test {
         let err: TupleWrapper = TupleWrapper::Singleton;
         assert_eq!(format!("{}", err), format!("Just a string"));
         assert_eq!(format!("{:?}", err), format!("Singleton"));
-        assert!(err.source().is_none());
+        assert!(err.cause().is_none());
     }
 
     quick_error! {
@@ -1145,7 +1139,7 @@ mod test {
         pub enum StructWrapper {
             // Utf8 Error
             Utf8Error{ err: Utf8Error, hint: Option<&'static str> } {
-                source(err)
+                cause(err)
                 display(me) -> ("{desc} at index {pos}: {err}", desc="utf8 error", pos=err.valid_up_to(), err=err)
                 from(err: Utf8Error) -> { err: err, hint: None }
             }
@@ -1159,47 +1153,19 @@ mod test {
     #[test]
     fn struct_wrapper_err() {
         let invalid_utf8: Vec<u8> = vec![0, 159, 146, 150];
-        let source = String::from_utf8(invalid_utf8.clone())
-            .unwrap_err()
-            .utf8_error();
-        let err: &dyn Error = &StructWrapper::Utf8Error {
-            err: source.clone(),
-            hint: Some("nonsense"),
-        };
-        assert_eq!(
-            format!("{}", err),
-            format!(
-                "{desc} at index {pos}: {source}",
-                desc = "utf8 error",
-                pos = source.valid_up_to(),
-                source = source
-            )
-        );
-        assert_eq!(
-            format!("{:?}", err),
-            format!(
-                "Utf8Error {{ err: {:?}, hint: {:?} }}",
-                source,
-                Some("nonsense")
-            )
-        );
-        assert_eq!(
-            format!("{:?}", err.source().unwrap()),
-            format!("{:?}", source)
-        );
+        let cause = String::from_utf8(invalid_utf8.clone()).unwrap_err().utf8_error();
+        let err: &Error = &StructWrapper::Utf8Error{ err: cause.clone(), hint: Some("nonsense") };
+        assert_eq!(format!("{}", err), format!("{desc} at index {pos}: {cause}", desc="utf8 error", pos=cause.valid_up_to(), cause=cause));
+        assert_eq!(format!("{:?}", err), format!("Utf8Error {{ err: {:?}, hint: {:?} }}", cause, Some("nonsense")));
+        assert_eq!(format!("{:?}", err.cause().unwrap()), format!("{:?}", cause));
     }
 
     #[test]
     fn struct_wrapper_struct_from() {
         let invalid_utf8: Vec<u8> = vec![0, 159, 146, 150];
-        let source = String::from_utf8(invalid_utf8.clone())
-            .unwrap_err()
-            .utf8_error();
-        let err = StructWrapper::Utf8Error {
-            err: source.clone(),
-            hint: None,
-        };
-        let err_from: StructWrapper = From::from(source);
+        let cause = String::from_utf8(invalid_utf8.clone()).unwrap_err().utf8_error();
+        let err = StructWrapper::Utf8Error{ err: cause.clone(), hint: None };
+        let err_from: StructWrapper = From::from(cause);
         assert_eq!(err_from, err);
     }
 
@@ -1208,11 +1174,8 @@ mod test {
         let descr = "hello";
         let err = StructWrapper::ExcessComma { descr: descr };
         assert_eq!(format!("{}", err), format!("Error: {}", descr));
-        assert_eq!(
-            format!("{:?}", err),
-            format!("ExcessComma {{ descr: {:?} }}", descr)
-        );
-        assert!(err.source().is_none());
+        assert_eq!(format!("{:?}", err), format!("ExcessComma {{ descr: {:?} }}", descr));
+        assert!(err.cause().is_none());
     }
 
     quick_error! {
@@ -1243,23 +1206,19 @@ mod test {
     #[test]
     fn parse_float_error() {
         fn parse_float(s: &str) -> Result<f32, ContextErr> {
-            Ok(s.parse().context(s)?)
+            Ok(try!(s.parse().context(s)))
         }
-        assert_eq!(
-            format!("{}", parse_float("12ab").unwrap_err()),
-            r#"Float error "12ab": invalid float literal"#
-        );
+        assert_eq!(format!("{}", parse_float("12ab").unwrap_err()),
+            r#"Float error "12ab": invalid float literal"#);
     }
 
     #[test]
     fn parse_int_error() {
         fn parse_int(s: &str) -> Result<i32, ContextErr> {
-            Ok(s.parse().context(s)?)
+            Ok(try!(s.parse().context(s)))
         }
-        assert_eq!(
-            format!("{}", parse_int("12.5").unwrap_err()),
-            r#"Int error "12.5": invalid digit found in string"#
-        );
+        assert_eq!(format!("{}", parse_int("12.5").unwrap_err()),
+            r#"Int error "12.5": invalid digit found in string"#);
     }
 
     #[test]
@@ -1268,24 +1227,25 @@ mod test {
             s.parse().context(s).unwrap()
         }
         assert_eq!(parse_int("12"), 12);
-        assert_eq!(
-            format!("{:?}", "x".parse::<i32>().context("x")),
-            r#"Err(Context("x", ParseIntError { kind: InvalidDigit }))"#
-        );
+        assert_eq!(format!("{:?}", "x".parse::<i32>().context("x")),
+            r#"Err(Context("x", ParseIntError { kind: InvalidDigit }))"#);
     }
 
     #[test]
     fn path_context() {
-        fn parse_utf<P: AsRef<Path>>(s: &[u8], p: P) -> Result<(), ContextErr> {
-            ::std::str::from_utf8(s).context(p)?;
+        fn parse_utf<P: AsRef<Path>>(s: &[u8], p: P)
+            -> Result<(), ContextErr>
+        {
+            try!(::std::str::from_utf8(s).context(p));
             Ok(())
         }
         let etext = parse_utf(b"a\x80\x80", "/etc").unwrap_err().to_string();
-        assert!(etext.starts_with("Path error at \"/etc\": invalid utf-8"));
-        let etext = parse_utf(b"\x80\x80", PathBuf::from("/tmp"))
-            .unwrap_err()
+        assert!(etext.starts_with(
+            "Path error at \"/etc\": invalid utf-8"));
+        let etext = parse_utf(b"\x80\x80", PathBuf::from("/tmp")).unwrap_err()
             .to_string();
-        assert!(etext.starts_with("Path error at \"/tmp\": invalid utf-8"));
+        assert!(etext.starts_with(
+            "Path error at \"/tmp\": invalid utf-8"));
     }
 
     #[test]
@@ -1299,38 +1259,4 @@ mod test {
             }
         }
     }
-
-    #[test]
-    #[allow(deprecated)]
-    fn cause_struct_wrapper_err() {
-        let invalid_utf8: Vec<u8> = vec![0, 159, 146, 150];
-        let cause = String::from_utf8(invalid_utf8.clone())
-            .unwrap_err()
-            .utf8_error();
-        let err: &dyn Error = &StructWrapper::Utf8Error {
-            err: cause.clone(),
-            hint: Some("nonsense"),
-        };
-        assert_eq!(
-            format!("{}", err),
-            format!(
-                "{desc} at index {pos}: {cause}",
-                desc = "utf8 error",
-                pos = cause.valid_up_to(),
-                cause = cause
-            )
-        );
-        assert_eq!(
-            format!("{:?}", err),
-            format!(
-                "Utf8Error {{ err: {:?}, hint: {:?} }}",
-                cause,
-                Some("nonsense")
-            )
-        );
-        assert_eq!(
-            format!("{:?}", err.cause().unwrap()),
-            format!("{:?}", cause)
-        );
-    }
 }