error[E0283]: type annotations needed
  --> $DIR/issue-72616.rs:22:37
   |
LL |         if String::from("a") == "a".try_into().unwrap() {}
   |                              --     ^^^^^^^^
   |                              |
   |                              type must be known at this point
   |
   = note: cannot satisfy `String: PartialEq<_>`
   = help: the following types implement trait `PartialEq<Rhs>`:
             `String` implements `PartialEq<&str>`
             `String` implements `PartialEq<ByteStr>`
             `String` implements `PartialEq<ByteString>`
             `String` implements `PartialEq<Cow<'_, str>>`
             `String` implements `PartialEq<str>`
             `String` implements `PartialEq`
help: try using a fully qualified path to specify the expected types
   |
LL -         if String::from("a") == "a".try_into().unwrap() {}
LL +         if String::from("a") == <&str as TryInto<T>>::try_into("a").unwrap() {}
   |

error[E0283]: type annotations needed
  --> $DIR/issue-72616.rs:22:37
   |
LL |         if String::from("a") == "a".try_into().unwrap() {}
   |                                     ^^^^^^^^
   |
   = note: multiple `impl`s satisfying `_: TryFrom<&str>` found in the following crates: `core`, `std`:
           - impl TryFrom<&str> for std::sys::net::connection::socket::LookupHost;
           - impl<T, U> TryFrom<U> for T
             where U: Into<T>;
   = note: required for `&str` to implement `TryInto<_>`
help: try using a fully qualified path to specify the expected types
   |
LL -         if String::from("a") == "a".try_into().unwrap() {}
LL +         if String::from("a") == <&str as TryInto<T>>::try_into("a").unwrap() {}
   |

error: aborting due to 2 previous errors

For more information about this error, try `rustc --explain E0283`.