error: using `clone` on a double-reference; this will copy the reference of type `&str` instead of cloning the inner type --> src/lib.rs:3288:34 | 3288 | s.serialize(self.record, self.key.clone(), self.serializer) | ^^^^^^^^^^^^^^^^ | = note: `#[deny(clippy::clone_double_ref)]` on by default = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_double_ref help: try dereferencing it | 3288 | s.serialize(self.record, &(*self.key).clone(), self.serializer) | ~~~~~~~~~~~~~~~~~~~~ help: or try being explicit if you are sure, that you want to clone a reference | 3288 | s.serialize(self.record, <&str>::clone(self.key), self.serializer) | ~~~~~~~~~~~~~~~~~~~~~~~

error: using `clone` on a double-reference; this will copy the reference of type `&str` instead of cloning the inner type --> src/lib.rs:3297:47 | 3297 | let _ = self.serializer.emit_unit(self.key.clone()); | ^^^^^^^^^^^^^^^^ | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_double_ref help: try dereferencing it | 3297 | let _ = self.serializer.emit_unit(&(*self.key).clone()); | ~~~~~~~~~~~~~~~~~~~~ help: or try being explicit if you are sure, that you want to clone a reference | 3297 | let _ = self.serializer.emit_unit(<&str>::clone(self.key)); | ~~~~~~~~~~~~~~~~~~~~~~~

error: using `clone` on a double-reference; this will copy the reference of type `&str` instead of cloning the inner type --> src/lib.rs:3675:34 | 3675 | self.1.serialize(record, self.0.clone(), serializer) | ^^^^^^^^^^^^^^ | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_double_ref help: try dereferencing it | 3675 | self.1.serialize(record, &(*self.0).clone(), serializer) | ~~~~~~~~~~~~~~~~~~ help: or try being explicit if you are sure, that you want to clone a reference | 3675 | self.1.serialize(record, <&str>::clone(self.0), serializer) | ~~~~~~~~~~~~~~~~~~~~~

error: aborting due to 3 previous errors; 1 warning emitted

error: using `clone` on a double-reference; this will copy the reference of type `&str` instead of cloning the inner type --> src/lib.rs:3288:34 | 3288 | s.serialize(self.record, self.key.clone(), self.serializer) | ^^^^^^^^^^^^^^^^ | = note: `#[deny(clippy::clone_double_ref)]` on by default = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_double_ref help: try dereferencing it | 3288 | s.serialize(self.record, &(*self.key).clone(), self.serializer) | ~~~~~~~~~~~~~~~~~~~~ help: or try being explicit if you are sure, that you want to clone a reference | 3288 | s.serialize(self.record, <&str>::clone(self.key), self.serializer) | ~~~~~~~~~~~~~~~~~~~~~~~

error: using `clone` on a double-reference; this will copy the reference of type `&str` instead of cloning the inner type --> src/lib.rs:3297:47 | 3297 | let _ = self.serializer.emit_unit(self.key.clone()); | ^^^^^^^^^^^^^^^^ | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_double_ref help: try dereferencing it | 3297 | let _ = self.serializer.emit_unit(&(*self.key).clone()); | ~~~~~~~~~~~~~~~~~~~~ help: or try being explicit if you are sure, that you want to clone a reference | 3297 | let _ = self.serializer.emit_unit(<&str>::clone(self.key)); | ~~~~~~~~~~~~~~~~~~~~~~~

error: using `clone` on a double-reference; this will copy the reference of type `&str` instead of cloning the inner type --> src/lib.rs:3675:34 | 3675 | self.1.serialize(record, self.0.clone(), serializer) | ^^^^^^^^^^^^^^ | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_double_ref help: try dereferencing it | 3675 | self.1.serialize(record, &(*self.0).clone(), serializer) | ~~~~~~~~~~~~~~~~~~ help: or try being explicit if you are sure, that you want to clone a reference | 3675 | self.1.serialize(record, <&str>::clone(self.0), serializer) | ~~~~~~~~~~~~~~~~~~~~~

error: aborting due to 3 previous errors; 1 warning emitted

warning: very complex type used. Consider factoring parts into `type` definitions --> src/lib.rs:1901:16 | 1901 | type Err = ( | ________________^ 1902 | | result::Result<D1::Ok, D1::Err>, 1903 | | result::Result<D2::Ok, D2::Err>, 1904 | | ); | |_____^ | = note: `#[warn(clippy::type_complexity)]` on by default = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity