1 error[E0259]: the name `alloc` is defined multiple times
4 LL | extern crate alloc;
5 | ------------------- previous import of the extern crate `alloc` here
7 LL | extern crate libc as alloc;
8 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
10 | `alloc` reimported here
11 | You can use `as` to change the binding name of the import
13 = note: `alloc` must be defined only once in the type namespace of this module
15 error: aborting due to previous error
17 For more information about this error, try `rustc --explain E0259`.