I have a web server written in rust that I wanted to deploy on Heroku. The server compiles and runs well locally on my machine (see photos below), however, it cannot compile on rust and I get a compilation error.
error[E0432]: unresolved import `core::task::Wake`
--> /tmp/codon/tmp/cache/cargo/registry/src/github.com-1ecc6299db9ec823/standback-0.2.16/src/lib.rs:520:13
|
520 | pub use core::task::Wake;
| ^^^^^^^^^^^^----
| | |
| | help: a similar name exists in the module (notice the capitalization): `wake`
| no `Wake` in `task`
error: aborting due to previous error
Working perfectly on my machine:

(source code can be found here)
