readelf-0.0.3 is not a library.

rust-readelf
Pure-Rust implementation of the binutils utility readelf
Options Usage:
$ rust-readelf --help
A pure-rust implementation of the binutils utility readelf
Usage: rust-readelf [OPTIONS] --file-name <FILE_NAME>
Options:
-f, --file-name <FILE_NAME>
--file-header
--program-headers
--section-headers
-h, --help Print help information
-V, --version Print version information