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 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ `alloc` reimported here
10 = note: `alloc` must be defined only once in the type namespace of this module
11 help: you can use `as` to change the binding name of the import
13 LL | extern crate libc as other_alloc;
16 error: aborting due to previous error
18 For more information about this error, try `rustc --explain E0259`.