Update Rust crate tokio to v1.39.3 #76

Annotations

10 errors and 1 warning

unresolved import `crate::pkg::smtp`

enum takes 2 generic arguments but 1 generic argument was supplied

enum takes 2 generic arguments but 1 generic argument was supplied

enum takes 2 generic arguments but 1 generic argument was supplied

no method named `read` found for struct `tokio::net::TcpStream` in the current scope

no method named `write_all` found for struct `tokio::net::TcpStream` in the current scope

no method named `write_all` found for struct `tokio::net::TcpStream` in the current scope

the `?` operator can only be used in an async block that returns `Result` or `Option` (or another type that implements `FromResidual`)

mismatched types

Process completed with exit code 2.

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