try_v2 0.3.3

Provides a derive macro for `Try` ([try_trait_v2](https://rust-lang.github.io/rfcs/3058-try-trait-v2.html))
Documentation 
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error: Try requires a single generic type for `Output`
 --> tests/compilation/fail_TooManyOutputs.rs:6:10
  |
6 | #[derive(Try, Try_ConvertResult)]
  |          ^^^
  |
help: Output type defined here
 --> tests/compilation/fail_TooManyOutputs.rs:7:21
  |
7 | enum TooManyOutputs<T, E> {
  |                     ^
help: change this to (T)
 --> tests/compilation/fail_TooManyOutputs.rs:8:7
  |
8 |     Ok(T, E),
  |       ^^^^^^
  = note: this error originates in the derive macro `Try` (in Nightly builds, run with -Z macro-backtrace for more info)

error: Try requires a single generic type for `Output`
 --> tests/compilation/fail_TooManyOutputs.rs:6:15
  |
6 | #[derive(Try, Try_ConvertResult)]
  |               ^^^^^^^^^^^^^^^^^
  |
help: Output type defined here
 --> tests/compilation/fail_TooManyOutputs.rs:7:21
  |
7 | enum TooManyOutputs<T, E> {
  |                     ^
help: change this to (T)
 --> tests/compilation/fail_TooManyOutputs.rs:8:7
  |
8 |     Ok(T, E),
  |       ^^^^^^
  = note: this error originates in the derive macro `Try_ConvertResult` (in Nightly builds, run with -Z macro-backtrace for more info)

error: Try requires a single generic type for `Output`
  --> tests/compilation/fail_TooManyOutputs.rs:12:10
   |
12 | #[derive(Try, Try_ConvertResult)]
   |          ^^^
   |
help: Output type defined here
  --> tests/compilation/fail_TooManyOutputs.rs:13:37
   |
13 | enum TooManyOutputsBorrowed<'t, 'e, T, E> {
   |                                     ^
help: change this to (&'t T)
  --> tests/compilation/fail_TooManyOutputs.rs:14:7
   |
14 |     Ok(&'t T, &'e E),
   |       ^^^^^^^^^^^^^^
   = note: this error originates in the derive macro `Try` (in Nightly builds, run with -Z macro-backtrace for more info)

error: Try requires a single generic type for `Output`
  --> tests/compilation/fail_TooManyOutputs.rs:12:15
   |
12 | #[derive(Try, Try_ConvertResult)]
   |               ^^^^^^^^^^^^^^^^^
   |
help: Output type defined here
  --> tests/compilation/fail_TooManyOutputs.rs:13:37
   |
13 | enum TooManyOutputsBorrowed<'t, 'e, T, E> {
   |                                     ^
help: change this to (&'t T)
  --> tests/compilation/fail_TooManyOutputs.rs:14:7
   |
14 |     Ok(&'t T, &'e E),
   |       ^^^^^^^^^^^^^^
   = note: this error originates in the derive macro `Try_ConvertResult` (in Nightly builds, run with -Z macro-backtrace for more info)

error: Try requires a single generic type for `Output`
  --> tests/compilation/fail_TooManyOutputs.rs:18:10
   |
18 | #[derive(Try, Try_ConvertResult)]
   |          ^^^
   |
help: Output type defined here
  --> tests/compilation/fail_TooManyOutputs.rs:19:45
   |
19 | enum TooManyOutputsBorrowedOrdering<'e, 't, T, E> {
   |                                             ^
help: change this to (&'t T)
  --> tests/compilation/fail_TooManyOutputs.rs:20:7
   |
20 |     Ok(&'e E, &'t T),
   |       ^^^^^^^^^^^^^^
   = note: this error originates in the derive macro `Try` (in Nightly builds, run with -Z macro-backtrace for more info)

error: Try requires a single generic type for `Output`
  --> tests/compilation/fail_TooManyOutputs.rs:18:15
   |
18 | #[derive(Try, Try_ConvertResult)]
   |               ^^^^^^^^^^^^^^^^^
   |
help: Output type defined here
  --> tests/compilation/fail_TooManyOutputs.rs:19:45
   |
19 | enum TooManyOutputsBorrowedOrdering<'e, 't, T, E> {
   |                                             ^
help: change this to (&'t T)
  --> tests/compilation/fail_TooManyOutputs.rs:20:7
   |
20 |     Ok(&'e E, &'t T),
   |       ^^^^^^^^^^^^^^
   = note: this error originates in the derive macro `Try_ConvertResult` (in Nightly builds, run with -Z macro-backtrace for more info)