Failing to build here:

(...)
  Compiling time v0.3.20
(...)
error[E0282]: type annotations needed for `Box<_>`
  --> /home/renato/.cargo/registry/src/index.crates.io-6f17d22bba15001f/time-0.3.20/src/format_description/parse/mod.rs:83:9
   |
83 |     let items = format_items
   |         ^^^^^
...
86 |     Ok(items.into())
   |              ---- type must be known at this point
   |
help: consider giving `items` an explicit type, where the placeholders `_` are specified
   |
83 |     let items: Box<_> = format_items
   |              ++++++++

For more information about this error, try `rustc --explain E0282`.
error: could not compile `time` (lib) due to 1 previous error
(...)