Help! Compile error rustr

Hello everyone
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 .

What rustup show and rustup component list tells you? Looks like you have missing i686-pc-windows-gnu target, or for some reason its corrupted (std crate seems to be missing which afaik is installed for every target).