data-encoding-bin-0.3.7 is not a library.
To install the binary from the github repository:
cargo install --path=bin
To install the latest version published on crates.io (does not require to clone the repository):
cargo install data-encoding-bin
By default, the binary will be installed as ~/.cargo/bin/data-encoding.
Assuming ~/.cargo/bin is in your PATH environment variable, you can see the
usage by running:
data-encoding --help