Compile error rustr

Compiling rustr v0.1.9
error[E0463]: can’t find crate for std
|
= note: the i686-pc-windows-gnu target may not be installed

error: aborting due to previous error

For more information about this error, try rustc --explain E0463.
error: Could not compile rustr.

On your shell, run

rustup target add i686-pc-windows-gnu