Commits on Aug 25, 2021

1. macros: fix wrong error messages …

   The macros `tokio::main` and `tokio::test` return invalid error
   messages if the function being wrapped has no return value. This was
   because the semicolon from the last statement was missing.
   
   Also, since version 0.1.54 (or earlier),
   `clippy::semicolon_if_nothing_returned` triggered false-negative when
   using the macros `tokio::test` and `tokio::main` on functions without
   a result type.
   
   We can copy the semicolon and the `return` keyword from the last
   statement from the body of the wrapped function.
   
   Fixes: rust-lang/rust-clippy#7438

   

   c0va23 committed Aug 25, 2021
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